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![Kristoffer Haugsbakk](/assets/img/avatar_default.png)
Factor out code that retrieves the global config file so that we can use it in `gc.c` as well. Use the old name from the previous commit since this function acts functionally the same as `git_system_config` but for “global”. Signed-off-by: Kristoffer Haugsbakk <code@khaugsbakk.name> Signed-off-by: Junio C Hamano <gitster@pobox.com>
3828 lines
94 KiB
C
3828 lines
94 KiB
C
/*
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* GIT - The information manager from hell
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*
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* Copyright (C) Linus Torvalds, 2005
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* Copyright (C) Johannes Schindelin, 2005
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*
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*/
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#include "git-compat-util.h"
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#include "abspath.h"
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#include "advice.h"
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#include "date.h"
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#include "branch.h"
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#include "config.h"
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#include "parse.h"
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#include "convert.h"
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#include "environment.h"
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#include "gettext.h"
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#include "ident.h"
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#include "repository.h"
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#include "lockfile.h"
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#include "mailmap.h"
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#include "attr.h"
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#include "exec-cmd.h"
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#include "strbuf.h"
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#include "quote.h"
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#include "hashmap.h"
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#include "string-list.h"
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#include "object-name.h"
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#include "object-store-ll.h"
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#include "pager.h"
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#include "path.h"
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#include "utf8.h"
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#include "color.h"
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#include "refs.h"
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#include "setup.h"
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#include "strvec.h"
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#include "trace2.h"
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#include "wildmatch.h"
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#include "ws.h"
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#include "write-or-die.h"
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struct config_source {
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struct config_source *prev;
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union {
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FILE *file;
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struct config_buf {
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const char *buf;
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size_t len;
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size_t pos;
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} buf;
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} u;
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enum config_origin_type origin_type;
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const char *name;
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const char *path;
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enum config_error_action default_error_action;
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int linenr;
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int eof;
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size_t total_len;
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struct strbuf value;
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struct strbuf var;
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unsigned subsection_case_sensitive : 1;
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int (*do_fgetc)(struct config_source *c);
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int (*do_ungetc)(int c, struct config_source *conf);
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long (*do_ftell)(struct config_source *c);
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};
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#define CONFIG_SOURCE_INIT { 0 }
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static int pack_compression_seen;
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static int zlib_compression_seen;
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/*
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* Config that comes from trusted scopes, namely:
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* - CONFIG_SCOPE_SYSTEM (e.g. /etc/gitconfig)
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* - CONFIG_SCOPE_GLOBAL (e.g. $HOME/.gitconfig, $XDG_CONFIG_HOME/git)
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* - CONFIG_SCOPE_COMMAND (e.g. "-c" option, environment variables)
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*
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* This is declared here for code cleanliness, but unlike the other
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* static variables, this does not hold config parser state.
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*/
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static struct config_set protected_config;
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static int config_file_fgetc(struct config_source *conf)
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{
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return getc_unlocked(conf->u.file);
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}
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static int config_file_ungetc(int c, struct config_source *conf)
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{
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return ungetc(c, conf->u.file);
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}
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static long config_file_ftell(struct config_source *conf)
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{
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return ftell(conf->u.file);
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}
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static int config_buf_fgetc(struct config_source *conf)
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{
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if (conf->u.buf.pos < conf->u.buf.len)
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return conf->u.buf.buf[conf->u.buf.pos++];
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return EOF;
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}
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static int config_buf_ungetc(int c, struct config_source *conf)
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{
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if (conf->u.buf.pos > 0) {
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conf->u.buf.pos--;
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if (conf->u.buf.buf[conf->u.buf.pos] != c)
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BUG("config_buf can only ungetc the same character");
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return c;
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}
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return EOF;
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}
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static long config_buf_ftell(struct config_source *conf)
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{
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return conf->u.buf.pos;
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}
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struct config_include_data {
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int depth;
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config_fn_t fn;
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void *data;
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const struct config_options *opts;
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struct git_config_source *config_source;
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struct repository *repo;
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/*
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* All remote URLs discovered when reading all config files.
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*/
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struct string_list *remote_urls;
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};
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#define CONFIG_INCLUDE_INIT { 0 }
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static int git_config_include(const char *var, const char *value,
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const struct config_context *ctx, void *data);
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#define MAX_INCLUDE_DEPTH 10
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static const char include_depth_advice[] = N_(
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"exceeded maximum include depth (%d) while including\n"
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" %s\n"
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"from\n"
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" %s\n"
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"This might be due to circular includes.");
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static int handle_path_include(const struct key_value_info *kvi,
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const char *path,
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struct config_include_data *inc)
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{
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int ret = 0;
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struct strbuf buf = STRBUF_INIT;
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char *expanded;
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if (!path)
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return config_error_nonbool("include.path");
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expanded = interpolate_path(path, 0);
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if (!expanded)
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return error(_("could not expand include path '%s'"), path);
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path = expanded;
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/*
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* Use an absolute path as-is, but interpret relative paths
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* based on the including config file.
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*/
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if (!is_absolute_path(path)) {
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char *slash;
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if (!kvi || !kvi->path) {
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ret = error(_("relative config includes must come from files"));
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goto cleanup;
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}
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slash = find_last_dir_sep(kvi->path);
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if (slash)
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strbuf_add(&buf, kvi->path, slash - kvi->path + 1);
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strbuf_addstr(&buf, path);
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path = buf.buf;
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}
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if (!access_or_die(path, R_OK, 0)) {
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if (++inc->depth > MAX_INCLUDE_DEPTH)
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die(_(include_depth_advice), MAX_INCLUDE_DEPTH, path,
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!kvi ? "<unknown>" :
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kvi->filename ? kvi->filename :
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"the command line");
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ret = git_config_from_file_with_options(git_config_include, path, inc,
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kvi->scope, NULL);
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inc->depth--;
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}
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cleanup:
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strbuf_release(&buf);
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free(expanded);
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return ret;
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}
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static void add_trailing_starstar_for_dir(struct strbuf *pat)
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{
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if (pat->len && is_dir_sep(pat->buf[pat->len - 1]))
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strbuf_addstr(pat, "**");
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}
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static int prepare_include_condition_pattern(const struct key_value_info *kvi,
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struct strbuf *pat)
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{
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struct strbuf path = STRBUF_INIT;
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char *expanded;
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int prefix = 0;
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expanded = interpolate_path(pat->buf, 1);
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if (expanded) {
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strbuf_reset(pat);
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strbuf_addstr(pat, expanded);
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free(expanded);
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}
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if (pat->buf[0] == '.' && is_dir_sep(pat->buf[1])) {
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const char *slash;
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if (!kvi || !kvi->path)
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return error(_("relative config include "
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"conditionals must come from files"));
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strbuf_realpath(&path, kvi->path, 1);
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slash = find_last_dir_sep(path.buf);
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if (!slash)
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BUG("how is this possible?");
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strbuf_splice(pat, 0, 1, path.buf, slash - path.buf);
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prefix = slash - path.buf + 1 /* slash */;
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} else if (!is_absolute_path(pat->buf))
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strbuf_insertstr(pat, 0, "**/");
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add_trailing_starstar_for_dir(pat);
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strbuf_release(&path);
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return prefix;
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}
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static int include_by_gitdir(const struct key_value_info *kvi,
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const struct config_options *opts,
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const char *cond, size_t cond_len, int icase)
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{
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struct strbuf text = STRBUF_INIT;
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struct strbuf pattern = STRBUF_INIT;
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int ret = 0, prefix;
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const char *git_dir;
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int already_tried_absolute = 0;
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if (opts->git_dir)
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git_dir = opts->git_dir;
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else
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goto done;
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strbuf_realpath(&text, git_dir, 1);
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strbuf_add(&pattern, cond, cond_len);
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prefix = prepare_include_condition_pattern(kvi, &pattern);
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again:
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if (prefix < 0)
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goto done;
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if (prefix > 0) {
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/*
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* perform literal matching on the prefix part so that
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* any wildcard character in it can't create side effects.
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*/
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if (text.len < prefix)
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goto done;
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if (!icase && strncmp(pattern.buf, text.buf, prefix))
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goto done;
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if (icase && strncasecmp(pattern.buf, text.buf, prefix))
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goto done;
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}
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ret = !wildmatch(pattern.buf + prefix, text.buf + prefix,
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WM_PATHNAME | (icase ? WM_CASEFOLD : 0));
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if (!ret && !already_tried_absolute) {
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/*
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* We've tried e.g. matching gitdir:~/work, but if
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* ~/work is a symlink to /mnt/storage/work
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* strbuf_realpath() will expand it, so the rule won't
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* match. Let's match against a
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* strbuf_add_absolute_path() version of the path,
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* which'll do the right thing
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*/
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strbuf_reset(&text);
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strbuf_add_absolute_path(&text, git_dir);
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already_tried_absolute = 1;
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goto again;
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}
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done:
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strbuf_release(&pattern);
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strbuf_release(&text);
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return ret;
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}
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static int include_by_branch(const char *cond, size_t cond_len)
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{
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int flags;
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int ret;
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struct strbuf pattern = STRBUF_INIT;
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const char *refname = !the_repository->gitdir ?
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NULL : resolve_ref_unsafe("HEAD", 0, NULL, &flags);
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const char *shortname;
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if (!refname || !(flags & REF_ISSYMREF) ||
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!skip_prefix(refname, "refs/heads/", &shortname))
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return 0;
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strbuf_add(&pattern, cond, cond_len);
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add_trailing_starstar_for_dir(&pattern);
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ret = !wildmatch(pattern.buf, shortname, WM_PATHNAME);
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strbuf_release(&pattern);
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return ret;
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}
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static int add_remote_url(const char *var, const char *value,
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const struct config_context *ctx UNUSED, void *data)
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{
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struct string_list *remote_urls = data;
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const char *remote_name;
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size_t remote_name_len;
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const char *key;
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if (!parse_config_key(var, "remote", &remote_name, &remote_name_len,
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&key) &&
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remote_name &&
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!strcmp(key, "url"))
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string_list_append(remote_urls, value);
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return 0;
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}
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static void populate_remote_urls(struct config_include_data *inc)
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{
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struct config_options opts;
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opts = *inc->opts;
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opts.unconditional_remote_url = 1;
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inc->remote_urls = xmalloc(sizeof(*inc->remote_urls));
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string_list_init_dup(inc->remote_urls);
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config_with_options(add_remote_url, inc->remote_urls,
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inc->config_source, inc->repo, &opts);
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}
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static int forbid_remote_url(const char *var, const char *value UNUSED,
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const struct config_context *ctx UNUSED,
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void *data UNUSED)
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{
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const char *remote_name;
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size_t remote_name_len;
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const char *key;
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if (!parse_config_key(var, "remote", &remote_name, &remote_name_len,
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&key) &&
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remote_name &&
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!strcmp(key, "url"))
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die(_("remote URLs cannot be configured in file directly or indirectly included by includeIf.hasconfig:remote.*.url"));
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return 0;
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}
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static int at_least_one_url_matches_glob(const char *glob, int glob_len,
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struct string_list *remote_urls)
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{
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struct strbuf pattern = STRBUF_INIT;
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struct string_list_item *url_item;
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int found = 0;
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strbuf_add(&pattern, glob, glob_len);
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for_each_string_list_item(url_item, remote_urls) {
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if (!wildmatch(pattern.buf, url_item->string, WM_PATHNAME)) {
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found = 1;
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break;
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}
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}
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strbuf_release(&pattern);
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return found;
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}
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static int include_by_remote_url(struct config_include_data *inc,
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const char *cond, size_t cond_len)
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{
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if (inc->opts->unconditional_remote_url)
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return 1;
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if (!inc->remote_urls)
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populate_remote_urls(inc);
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return at_least_one_url_matches_glob(cond, cond_len,
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inc->remote_urls);
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}
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static int include_condition_is_true(const struct key_value_info *kvi,
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struct config_include_data *inc,
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const char *cond, size_t cond_len)
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{
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const struct config_options *opts = inc->opts;
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if (skip_prefix_mem(cond, cond_len, "gitdir:", &cond, &cond_len))
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return include_by_gitdir(kvi, opts, cond, cond_len, 0);
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else if (skip_prefix_mem(cond, cond_len, "gitdir/i:", &cond, &cond_len))
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return include_by_gitdir(kvi, opts, cond, cond_len, 1);
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else if (skip_prefix_mem(cond, cond_len, "onbranch:", &cond, &cond_len))
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return include_by_branch(cond, cond_len);
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else if (skip_prefix_mem(cond, cond_len, "hasconfig:remote.*.url:", &cond,
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&cond_len))
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return include_by_remote_url(inc, cond, cond_len);
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/* unknown conditionals are always false */
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return 0;
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}
|
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|
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static int git_config_include(const char *var, const char *value,
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const struct config_context *ctx,
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void *data)
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{
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struct config_include_data *inc = data;
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const char *cond, *key;
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size_t cond_len;
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int ret;
|
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|
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/*
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* Pass along all values, including "include" directives; this makes it
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* possible to query information on the includes themselves.
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*/
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ret = inc->fn(var, value, ctx, inc->data);
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if (ret < 0)
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return ret;
|
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|
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if (!strcmp(var, "include.path"))
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ret = handle_path_include(ctx->kvi, value, inc);
|
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|
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if (!parse_config_key(var, "includeif", &cond, &cond_len, &key) &&
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cond && include_condition_is_true(ctx->kvi, inc, cond, cond_len) &&
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!strcmp(key, "path")) {
|
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config_fn_t old_fn = inc->fn;
|
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|
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if (inc->opts->unconditional_remote_url)
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inc->fn = forbid_remote_url;
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ret = handle_path_include(ctx->kvi, value, inc);
|
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inc->fn = old_fn;
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}
|
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|
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return ret;
|
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}
|
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|
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static void git_config_push_split_parameter(const char *key, const char *value)
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{
|
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struct strbuf env = STRBUF_INIT;
|
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const char *old = getenv(CONFIG_DATA_ENVIRONMENT);
|
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if (old && *old) {
|
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strbuf_addstr(&env, old);
|
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strbuf_addch(&env, ' ');
|
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}
|
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sq_quote_buf(&env, key);
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strbuf_addch(&env, '=');
|
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if (value)
|
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sq_quote_buf(&env, value);
|
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setenv(CONFIG_DATA_ENVIRONMENT, env.buf, 1);
|
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strbuf_release(&env);
|
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}
|
|
|
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void git_config_push_parameter(const char *text)
|
|
{
|
|
const char *value;
|
|
|
|
/*
|
|
* When we see:
|
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*
|
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* section.subsection=with=equals.key=value
|
|
*
|
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* we cannot tell if it means:
|
|
*
|
|
* [section "subsection=with=equals"]
|
|
* key = value
|
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*
|
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* or:
|
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*
|
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* [section]
|
|
* subsection = with=equals.key=value
|
|
*
|
|
* We parse left-to-right for the first "=", meaning we'll prefer to
|
|
* keep the value intact over the subsection. This is historical, but
|
|
* also sensible since values are more likely to contain odd or
|
|
* untrusted input than a section name.
|
|
*
|
|
* A missing equals is explicitly allowed (as a bool-only entry).
|
|
*/
|
|
value = strchr(text, '=');
|
|
if (value) {
|
|
char *key = xmemdupz(text, value - text);
|
|
git_config_push_split_parameter(key, value + 1);
|
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free(key);
|
|
} else {
|
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git_config_push_split_parameter(text, NULL);
|
|
}
|
|
}
|
|
|
|
void git_config_push_env(const char *spec)
|
|
{
|
|
char *key;
|
|
const char *env_name;
|
|
const char *env_value;
|
|
|
|
env_name = strrchr(spec, '=');
|
|
if (!env_name)
|
|
die(_("invalid config format: %s"), spec);
|
|
key = xmemdupz(spec, env_name - spec);
|
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env_name++;
|
|
if (!*env_name)
|
|
die(_("missing environment variable name for configuration '%.*s'"),
|
|
(int)(env_name - spec - 1), spec);
|
|
|
|
env_value = getenv(env_name);
|
|
if (!env_value)
|
|
die(_("missing environment variable '%s' for configuration '%.*s'"),
|
|
env_name, (int)(env_name - spec - 1), spec);
|
|
|
|
git_config_push_split_parameter(key, env_value);
|
|
free(key);
|
|
}
|
|
|
|
static inline int iskeychar(int c)
|
|
{
|
|
return isalnum(c) || c == '-';
|
|
}
|
|
|
|
/*
|
|
* Auxiliary function to sanity-check and split the key into the section
|
|
* identifier and variable name.
|
|
*
|
|
* Returns 0 on success, -1 when there is an invalid character in the key and
|
|
* -2 if there is no section name in the key.
|
|
*
|
|
* store_key - pointer to char* which will hold a copy of the key with
|
|
* lowercase section and variable name
|
|
* baselen - pointer to size_t which will hold the length of the
|
|
* section + subsection part, can be NULL
|
|
*/
|
|
int git_config_parse_key(const char *key, char **store_key, size_t *baselen_)
|
|
{
|
|
size_t i, baselen;
|
|
int dot;
|
|
const char *last_dot = strrchr(key, '.');
|
|
|
|
/*
|
|
* Since "key" actually contains the section name and the real
|
|
* key name separated by a dot, we have to know where the dot is.
|
|
*/
|
|
|
|
if (last_dot == NULL || last_dot == key) {
|
|
error(_("key does not contain a section: %s"), key);
|
|
return -CONFIG_NO_SECTION_OR_NAME;
|
|
}
|
|
|
|
if (!last_dot[1]) {
|
|
error(_("key does not contain variable name: %s"), key);
|
|
return -CONFIG_NO_SECTION_OR_NAME;
|
|
}
|
|
|
|
baselen = last_dot - key;
|
|
if (baselen_)
|
|
*baselen_ = baselen;
|
|
|
|
/*
|
|
* Validate the key and while at it, lower case it for matching.
|
|
*/
|
|
*store_key = xmallocz(strlen(key));
|
|
|
|
dot = 0;
|
|
for (i = 0; key[i]; i++) {
|
|
unsigned char c = key[i];
|
|
if (c == '.')
|
|
dot = 1;
|
|
/* Leave the extended basename untouched.. */
|
|
if (!dot || i > baselen) {
|
|
if (!iskeychar(c) ||
|
|
(i == baselen + 1 && !isalpha(c))) {
|
|
error(_("invalid key: %s"), key);
|
|
goto out_free_ret_1;
|
|
}
|
|
c = tolower(c);
|
|
} else if (c == '\n') {
|
|
error(_("invalid key (newline): %s"), key);
|
|
goto out_free_ret_1;
|
|
}
|
|
(*store_key)[i] = c;
|
|
}
|
|
|
|
return 0;
|
|
|
|
out_free_ret_1:
|
|
FREE_AND_NULL(*store_key);
|
|
return -CONFIG_INVALID_KEY;
|
|
}
|
|
|
|
static int config_parse_pair(const char *key, const char *value,
|
|
struct key_value_info *kvi,
|
|
config_fn_t fn, void *data)
|
|
{
|
|
char *canonical_name;
|
|
int ret;
|
|
struct config_context ctx = {
|
|
.kvi = kvi,
|
|
};
|
|
|
|
if (!strlen(key))
|
|
return error(_("empty config key"));
|
|
if (git_config_parse_key(key, &canonical_name, NULL))
|
|
return -1;
|
|
|
|
ret = (fn(canonical_name, value, &ctx, data) < 0) ? -1 : 0;
|
|
free(canonical_name);
|
|
return ret;
|
|
}
|
|
|
|
|
|
/* for values read from `git_config_from_parameters()` */
|
|
void kvi_from_param(struct key_value_info *out)
|
|
{
|
|
out->filename = NULL;
|
|
out->linenr = -1;
|
|
out->origin_type = CONFIG_ORIGIN_CMDLINE;
|
|
out->scope = CONFIG_SCOPE_COMMAND;
|
|
out->path = NULL;
|
|
}
|
|
|
|
int git_config_parse_parameter(const char *text,
|
|
config_fn_t fn, void *data)
|
|
{
|
|
const char *value;
|
|
struct strbuf **pair;
|
|
int ret;
|
|
struct key_value_info kvi = KVI_INIT;
|
|
|
|
kvi_from_param(&kvi);
|
|
|
|
pair = strbuf_split_str(text, '=', 2);
|
|
if (!pair[0])
|
|
return error(_("bogus config parameter: %s"), text);
|
|
|
|
if (pair[0]->len && pair[0]->buf[pair[0]->len - 1] == '=') {
|
|
strbuf_setlen(pair[0], pair[0]->len - 1);
|
|
value = pair[1] ? pair[1]->buf : "";
|
|
} else {
|
|
value = NULL;
|
|
}
|
|
|
|
strbuf_trim(pair[0]);
|
|
if (!pair[0]->len) {
|
|
strbuf_list_free(pair);
|
|
return error(_("bogus config parameter: %s"), text);
|
|
}
|
|
|
|
ret = config_parse_pair(pair[0]->buf, value, &kvi, fn, data);
|
|
strbuf_list_free(pair);
|
|
return ret;
|
|
}
|
|
|
|
static int parse_config_env_list(char *env, struct key_value_info *kvi,
|
|
config_fn_t fn, void *data)
|
|
{
|
|
char *cur = env;
|
|
while (cur && *cur) {
|
|
const char *key = sq_dequote_step(cur, &cur);
|
|
if (!key)
|
|
return error(_("bogus format in %s"),
|
|
CONFIG_DATA_ENVIRONMENT);
|
|
|
|
if (!cur || isspace(*cur)) {
|
|
/* old-style 'key=value' */
|
|
if (git_config_parse_parameter(key, fn, data) < 0)
|
|
return -1;
|
|
}
|
|
else if (*cur == '=') {
|
|
/* new-style 'key'='value' */
|
|
const char *value;
|
|
|
|
cur++;
|
|
if (*cur == '\'') {
|
|
/* quoted value */
|
|
value = sq_dequote_step(cur, &cur);
|
|
if (!value || (cur && !isspace(*cur))) {
|
|
return error(_("bogus format in %s"),
|
|
CONFIG_DATA_ENVIRONMENT);
|
|
}
|
|
} else if (!*cur || isspace(*cur)) {
|
|
/* implicit bool: 'key'= */
|
|
value = NULL;
|
|
} else {
|
|
return error(_("bogus format in %s"),
|
|
CONFIG_DATA_ENVIRONMENT);
|
|
}
|
|
|
|
if (config_parse_pair(key, value, kvi, fn, data) < 0)
|
|
return -1;
|
|
}
|
|
else {
|
|
/* unknown format */
|
|
return error(_("bogus format in %s"),
|
|
CONFIG_DATA_ENVIRONMENT);
|
|
}
|
|
|
|
if (cur) {
|
|
while (isspace(*cur))
|
|
cur++;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int git_config_from_parameters(config_fn_t fn, void *data)
|
|
{
|
|
const char *env;
|
|
struct strbuf envvar = STRBUF_INIT;
|
|
struct strvec to_free = STRVEC_INIT;
|
|
int ret = 0;
|
|
char *envw = NULL;
|
|
struct key_value_info kvi = KVI_INIT;
|
|
|
|
kvi_from_param(&kvi);
|
|
env = getenv(CONFIG_COUNT_ENVIRONMENT);
|
|
if (env) {
|
|
unsigned long count;
|
|
char *endp;
|
|
int i;
|
|
|
|
count = strtoul(env, &endp, 10);
|
|
if (*endp) {
|
|
ret = error(_("bogus count in %s"), CONFIG_COUNT_ENVIRONMENT);
|
|
goto out;
|
|
}
|
|
if (count > INT_MAX) {
|
|
ret = error(_("too many entries in %s"), CONFIG_COUNT_ENVIRONMENT);
|
|
goto out;
|
|
}
|
|
|
|
for (i = 0; i < count; i++) {
|
|
const char *key, *value;
|
|
|
|
strbuf_addf(&envvar, "GIT_CONFIG_KEY_%d", i);
|
|
key = getenv_safe(&to_free, envvar.buf);
|
|
if (!key) {
|
|
ret = error(_("missing config key %s"), envvar.buf);
|
|
goto out;
|
|
}
|
|
strbuf_reset(&envvar);
|
|
|
|
strbuf_addf(&envvar, "GIT_CONFIG_VALUE_%d", i);
|
|
value = getenv_safe(&to_free, envvar.buf);
|
|
if (!value) {
|
|
ret = error(_("missing config value %s"), envvar.buf);
|
|
goto out;
|
|
}
|
|
strbuf_reset(&envvar);
|
|
|
|
if (config_parse_pair(key, value, &kvi, fn, data) < 0) {
|
|
ret = -1;
|
|
goto out;
|
|
}
|
|
}
|
|
}
|
|
|
|
env = getenv(CONFIG_DATA_ENVIRONMENT);
|
|
if (env) {
|
|
/* sq_dequote will write over it */
|
|
envw = xstrdup(env);
|
|
if (parse_config_env_list(envw, &kvi, fn, data) < 0) {
|
|
ret = -1;
|
|
goto out;
|
|
}
|
|
}
|
|
|
|
out:
|
|
strbuf_release(&envvar);
|
|
strvec_clear(&to_free);
|
|
free(envw);
|
|
return ret;
|
|
}
|
|
|
|
static int get_next_char(struct config_source *cs)
|
|
{
|
|
int c = cs->do_fgetc(cs);
|
|
|
|
if (c == '\r') {
|
|
/* DOS like systems */
|
|
c = cs->do_fgetc(cs);
|
|
if (c != '\n') {
|
|
if (c != EOF)
|
|
cs->do_ungetc(c, cs);
|
|
c = '\r';
|
|
}
|
|
}
|
|
|
|
if (c != EOF && ++cs->total_len > INT_MAX) {
|
|
/*
|
|
* This is an absurdly long config file; refuse to parse
|
|
* further in order to protect downstream code from integer
|
|
* overflows. Note that we can't return an error specifically,
|
|
* but we can mark EOF and put trash in the return value,
|
|
* which will trigger a parse error.
|
|
*/
|
|
cs->eof = 1;
|
|
return 0;
|
|
}
|
|
|
|
if (c == '\n')
|
|
cs->linenr++;
|
|
if (c == EOF) {
|
|
cs->eof = 1;
|
|
cs->linenr++;
|
|
c = '\n';
|
|
}
|
|
return c;
|
|
}
|
|
|
|
static char *parse_value(struct config_source *cs)
|
|
{
|
|
int quote = 0, comment = 0, space = 0;
|
|
|
|
strbuf_reset(&cs->value);
|
|
for (;;) {
|
|
int c = get_next_char(cs);
|
|
if (c == '\n') {
|
|
if (quote) {
|
|
cs->linenr--;
|
|
return NULL;
|
|
}
|
|
return cs->value.buf;
|
|
}
|
|
if (comment)
|
|
continue;
|
|
if (isspace(c) && !quote) {
|
|
if (cs->value.len)
|
|
space++;
|
|
continue;
|
|
}
|
|
if (!quote) {
|
|
if (c == ';' || c == '#') {
|
|
comment = 1;
|
|
continue;
|
|
}
|
|
}
|
|
for (; space; space--)
|
|
strbuf_addch(&cs->value, ' ');
|
|
if (c == '\\') {
|
|
c = get_next_char(cs);
|
|
switch (c) {
|
|
case '\n':
|
|
continue;
|
|
case 't':
|
|
c = '\t';
|
|
break;
|
|
case 'b':
|
|
c = '\b';
|
|
break;
|
|
case 'n':
|
|
c = '\n';
|
|
break;
|
|
/* Some characters escape as themselves */
|
|
case '\\': case '"':
|
|
break;
|
|
/* Reject unknown escape sequences */
|
|
default:
|
|
return NULL;
|
|
}
|
|
strbuf_addch(&cs->value, c);
|
|
continue;
|
|
}
|
|
if (c == '"') {
|
|
quote = 1-quote;
|
|
continue;
|
|
}
|
|
strbuf_addch(&cs->value, c);
|
|
}
|
|
}
|
|
|
|
static int get_value(struct config_source *cs, struct key_value_info *kvi,
|
|
config_fn_t fn, void *data, struct strbuf *name)
|
|
{
|
|
int c;
|
|
char *value;
|
|
int ret;
|
|
struct config_context ctx = {
|
|
.kvi = kvi,
|
|
};
|
|
|
|
/* Get the full name */
|
|
for (;;) {
|
|
c = get_next_char(cs);
|
|
if (cs->eof)
|
|
break;
|
|
if (!iskeychar(c))
|
|
break;
|
|
strbuf_addch(name, tolower(c));
|
|
}
|
|
|
|
while (c == ' ' || c == '\t')
|
|
c = get_next_char(cs);
|
|
|
|
value = NULL;
|
|
if (c != '\n') {
|
|
if (c != '=')
|
|
return -1;
|
|
value = parse_value(cs);
|
|
if (!value)
|
|
return -1;
|
|
}
|
|
/*
|
|
* We already consumed the \n, but we need linenr to point to
|
|
* the line we just parsed during the call to fn to get
|
|
* accurate line number in error messages.
|
|
*/
|
|
cs->linenr--;
|
|
kvi->linenr = cs->linenr;
|
|
ret = fn(name->buf, value, &ctx, data);
|
|
if (ret >= 0)
|
|
cs->linenr++;
|
|
return ret;
|
|
}
|
|
|
|
static int get_extended_base_var(struct config_source *cs, struct strbuf *name,
|
|
int c)
|
|
{
|
|
cs->subsection_case_sensitive = 0;
|
|
do {
|
|
if (c == '\n')
|
|
goto error_incomplete_line;
|
|
c = get_next_char(cs);
|
|
} while (isspace(c));
|
|
|
|
/* We require the format to be '[base "extension"]' */
|
|
if (c != '"')
|
|
return -1;
|
|
strbuf_addch(name, '.');
|
|
|
|
for (;;) {
|
|
int c = get_next_char(cs);
|
|
if (c == '\n')
|
|
goto error_incomplete_line;
|
|
if (c == '"')
|
|
break;
|
|
if (c == '\\') {
|
|
c = get_next_char(cs);
|
|
if (c == '\n')
|
|
goto error_incomplete_line;
|
|
}
|
|
strbuf_addch(name, c);
|
|
}
|
|
|
|
/* Final ']' */
|
|
if (get_next_char(cs) != ']')
|
|
return -1;
|
|
return 0;
|
|
error_incomplete_line:
|
|
cs->linenr--;
|
|
return -1;
|
|
}
|
|
|
|
static int get_base_var(struct config_source *cs, struct strbuf *name)
|
|
{
|
|
cs->subsection_case_sensitive = 1;
|
|
for (;;) {
|
|
int c = get_next_char(cs);
|
|
if (cs->eof)
|
|
return -1;
|
|
if (c == ']')
|
|
return 0;
|
|
if (isspace(c))
|
|
return get_extended_base_var(cs, name, c);
|
|
if (!iskeychar(c) && c != '.')
|
|
return -1;
|
|
strbuf_addch(name, tolower(c));
|
|
}
|
|
}
|
|
|
|
struct parse_event_data {
|
|
enum config_event_t previous_type;
|
|
size_t previous_offset;
|
|
const struct config_options *opts;
|
|
};
|
|
|
|
static int do_event(struct config_source *cs, enum config_event_t type,
|
|
struct parse_event_data *data)
|
|
{
|
|
size_t offset;
|
|
|
|
if (!data->opts || !data->opts->event_fn)
|
|
return 0;
|
|
|
|
if (type == CONFIG_EVENT_WHITESPACE &&
|
|
data->previous_type == type)
|
|
return 0;
|
|
|
|
offset = cs->do_ftell(cs);
|
|
/*
|
|
* At EOF, the parser always "inserts" an extra '\n', therefore
|
|
* the end offset of the event is the current file position, otherwise
|
|
* we will already have advanced to the next event.
|
|
*/
|
|
if (type != CONFIG_EVENT_EOF)
|
|
offset--;
|
|
|
|
if (data->previous_type != CONFIG_EVENT_EOF &&
|
|
data->opts->event_fn(data->previous_type, data->previous_offset,
|
|
offset, cs, data->opts->event_fn_data) < 0)
|
|
return -1;
|
|
|
|
data->previous_type = type;
|
|
data->previous_offset = offset;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void kvi_from_source(struct config_source *cs,
|
|
enum config_scope scope,
|
|
struct key_value_info *out)
|
|
{
|
|
out->filename = strintern(cs->name);
|
|
out->origin_type = cs->origin_type;
|
|
out->linenr = cs->linenr;
|
|
out->scope = scope;
|
|
out->path = cs->path;
|
|
}
|
|
|
|
static int git_parse_source(struct config_source *cs, config_fn_t fn,
|
|
struct key_value_info *kvi, void *data,
|
|
const struct config_options *opts)
|
|
{
|
|
int comment = 0;
|
|
size_t baselen = 0;
|
|
struct strbuf *var = &cs->var;
|
|
int error_return = 0;
|
|
char *error_msg = NULL;
|
|
|
|
/* U+FEFF Byte Order Mark in UTF8 */
|
|
const char *bomptr = utf8_bom;
|
|
|
|
/* For the parser event callback */
|
|
struct parse_event_data event_data = {
|
|
CONFIG_EVENT_EOF, 0, opts
|
|
};
|
|
|
|
for (;;) {
|
|
int c;
|
|
|
|
c = get_next_char(cs);
|
|
if (bomptr && *bomptr) {
|
|
/* We are at the file beginning; skip UTF8-encoded BOM
|
|
* if present. Sane editors won't put this in on their
|
|
* own, but e.g. Windows Notepad will do it happily. */
|
|
if (c == (*bomptr & 0377)) {
|
|
bomptr++;
|
|
continue;
|
|
} else {
|
|
/* Do not tolerate partial BOM. */
|
|
if (bomptr != utf8_bom)
|
|
break;
|
|
/* No BOM at file beginning. Cool. */
|
|
bomptr = NULL;
|
|
}
|
|
}
|
|
if (c == '\n') {
|
|
if (cs->eof) {
|
|
if (do_event(cs, CONFIG_EVENT_EOF, &event_data) < 0)
|
|
return -1;
|
|
return 0;
|
|
}
|
|
if (do_event(cs, CONFIG_EVENT_WHITESPACE, &event_data) < 0)
|
|
return -1;
|
|
comment = 0;
|
|
continue;
|
|
}
|
|
if (comment)
|
|
continue;
|
|
if (isspace(c)) {
|
|
if (do_event(cs, CONFIG_EVENT_WHITESPACE, &event_data) < 0)
|
|
return -1;
|
|
continue;
|
|
}
|
|
if (c == '#' || c == ';') {
|
|
if (do_event(cs, CONFIG_EVENT_COMMENT, &event_data) < 0)
|
|
return -1;
|
|
comment = 1;
|
|
continue;
|
|
}
|
|
if (c == '[') {
|
|
if (do_event(cs, CONFIG_EVENT_SECTION, &event_data) < 0)
|
|
return -1;
|
|
|
|
/* Reset prior to determining a new stem */
|
|
strbuf_reset(var);
|
|
if (get_base_var(cs, var) < 0 || var->len < 1)
|
|
break;
|
|
strbuf_addch(var, '.');
|
|
baselen = var->len;
|
|
continue;
|
|
}
|
|
if (!isalpha(c))
|
|
break;
|
|
|
|
if (do_event(cs, CONFIG_EVENT_ENTRY, &event_data) < 0)
|
|
return -1;
|
|
|
|
/*
|
|
* Truncate the var name back to the section header
|
|
* stem prior to grabbing the suffix part of the name
|
|
* and the value.
|
|
*/
|
|
strbuf_setlen(var, baselen);
|
|
strbuf_addch(var, tolower(c));
|
|
if (get_value(cs, kvi, fn, data, var) < 0)
|
|
break;
|
|
}
|
|
|
|
if (do_event(cs, CONFIG_EVENT_ERROR, &event_data) < 0)
|
|
return -1;
|
|
|
|
switch (cs->origin_type) {
|
|
case CONFIG_ORIGIN_BLOB:
|
|
error_msg = xstrfmt(_("bad config line %d in blob %s"),
|
|
cs->linenr, cs->name);
|
|
break;
|
|
case CONFIG_ORIGIN_FILE:
|
|
error_msg = xstrfmt(_("bad config line %d in file %s"),
|
|
cs->linenr, cs->name);
|
|
break;
|
|
case CONFIG_ORIGIN_STDIN:
|
|
error_msg = xstrfmt(_("bad config line %d in standard input"),
|
|
cs->linenr);
|
|
break;
|
|
case CONFIG_ORIGIN_SUBMODULE_BLOB:
|
|
error_msg = xstrfmt(_("bad config line %d in submodule-blob %s"),
|
|
cs->linenr, cs->name);
|
|
break;
|
|
case CONFIG_ORIGIN_CMDLINE:
|
|
error_msg = xstrfmt(_("bad config line %d in command line %s"),
|
|
cs->linenr, cs->name);
|
|
break;
|
|
default:
|
|
error_msg = xstrfmt(_("bad config line %d in %s"),
|
|
cs->linenr, cs->name);
|
|
}
|
|
|
|
switch (opts && opts->error_action ?
|
|
opts->error_action :
|
|
cs->default_error_action) {
|
|
case CONFIG_ERROR_DIE:
|
|
die("%s", error_msg);
|
|
break;
|
|
case CONFIG_ERROR_ERROR:
|
|
error_return = error("%s", error_msg);
|
|
break;
|
|
case CONFIG_ERROR_SILENT:
|
|
error_return = -1;
|
|
break;
|
|
case CONFIG_ERROR_UNSET:
|
|
BUG("config error action unset");
|
|
}
|
|
|
|
free(error_msg);
|
|
return error_return;
|
|
}
|
|
|
|
NORETURN
|
|
static void die_bad_number(const char *name, const char *value,
|
|
const struct key_value_info *kvi)
|
|
{
|
|
const char *error_type = (errno == ERANGE) ?
|
|
N_("out of range") : N_("invalid unit");
|
|
const char *bad_numeric = N_("bad numeric config value '%s' for '%s': %s");
|
|
|
|
if (!kvi)
|
|
BUG("kvi should not be NULL");
|
|
|
|
if (!value)
|
|
value = "";
|
|
|
|
if (!kvi->filename)
|
|
die(_(bad_numeric), value, name, _(error_type));
|
|
|
|
switch (kvi->origin_type) {
|
|
case CONFIG_ORIGIN_BLOB:
|
|
die(_("bad numeric config value '%s' for '%s' in blob %s: %s"),
|
|
value, name, kvi->filename, _(error_type));
|
|
case CONFIG_ORIGIN_FILE:
|
|
die(_("bad numeric config value '%s' for '%s' in file %s: %s"),
|
|
value, name, kvi->filename, _(error_type));
|
|
case CONFIG_ORIGIN_STDIN:
|
|
die(_("bad numeric config value '%s' for '%s' in standard input: %s"),
|
|
value, name, _(error_type));
|
|
case CONFIG_ORIGIN_SUBMODULE_BLOB:
|
|
die(_("bad numeric config value '%s' for '%s' in submodule-blob %s: %s"),
|
|
value, name, kvi->filename, _(error_type));
|
|
case CONFIG_ORIGIN_CMDLINE:
|
|
die(_("bad numeric config value '%s' for '%s' in command line %s: %s"),
|
|
value, name, kvi->filename, _(error_type));
|
|
default:
|
|
die(_("bad numeric config value '%s' for '%s' in %s: %s"),
|
|
value, name, kvi->filename, _(error_type));
|
|
}
|
|
}
|
|
|
|
int git_config_int(const char *name, const char *value,
|
|
const struct key_value_info *kvi)
|
|
{
|
|
int ret;
|
|
if (!git_parse_int(value, &ret))
|
|
die_bad_number(name, value, kvi);
|
|
return ret;
|
|
}
|
|
|
|
int64_t git_config_int64(const char *name, const char *value,
|
|
const struct key_value_info *kvi)
|
|
{
|
|
int64_t ret;
|
|
if (!git_parse_int64(value, &ret))
|
|
die_bad_number(name, value, kvi);
|
|
return ret;
|
|
}
|
|
|
|
unsigned long git_config_ulong(const char *name, const char *value,
|
|
const struct key_value_info *kvi)
|
|
{
|
|
unsigned long ret;
|
|
if (!git_parse_ulong(value, &ret))
|
|
die_bad_number(name, value, kvi);
|
|
return ret;
|
|
}
|
|
|
|
ssize_t git_config_ssize_t(const char *name, const char *value,
|
|
const struct key_value_info *kvi)
|
|
{
|
|
ssize_t ret;
|
|
if (!git_parse_ssize_t(value, &ret))
|
|
die_bad_number(name, value, kvi);
|
|
return ret;
|
|
}
|
|
|
|
static const struct fsync_component_name {
|
|
const char *name;
|
|
enum fsync_component component_bits;
|
|
} fsync_component_names[] = {
|
|
{ "loose-object", FSYNC_COMPONENT_LOOSE_OBJECT },
|
|
{ "pack", FSYNC_COMPONENT_PACK },
|
|
{ "pack-metadata", FSYNC_COMPONENT_PACK_METADATA },
|
|
{ "commit-graph", FSYNC_COMPONENT_COMMIT_GRAPH },
|
|
{ "index", FSYNC_COMPONENT_INDEX },
|
|
{ "objects", FSYNC_COMPONENTS_OBJECTS },
|
|
{ "reference", FSYNC_COMPONENT_REFERENCE },
|
|
{ "derived-metadata", FSYNC_COMPONENTS_DERIVED_METADATA },
|
|
{ "committed", FSYNC_COMPONENTS_COMMITTED },
|
|
{ "added", FSYNC_COMPONENTS_ADDED },
|
|
{ "all", FSYNC_COMPONENTS_ALL },
|
|
};
|
|
|
|
static enum fsync_component parse_fsync_components(const char *var, const char *string)
|
|
{
|
|
enum fsync_component current = FSYNC_COMPONENTS_PLATFORM_DEFAULT;
|
|
enum fsync_component positive = 0, negative = 0;
|
|
|
|
while (string) {
|
|
int i;
|
|
size_t len;
|
|
const char *ep;
|
|
int negated = 0;
|
|
int found = 0;
|
|
|
|
string = string + strspn(string, ", \t\n\r");
|
|
ep = strchrnul(string, ',');
|
|
len = ep - string;
|
|
if (!strcmp(string, "none")) {
|
|
current = FSYNC_COMPONENT_NONE;
|
|
goto next_name;
|
|
}
|
|
|
|
if (*string == '-') {
|
|
negated = 1;
|
|
string++;
|
|
len--;
|
|
if (!len)
|
|
warning(_("invalid value for variable %s"), var);
|
|
}
|
|
|
|
if (!len)
|
|
break;
|
|
|
|
for (i = 0; i < ARRAY_SIZE(fsync_component_names); ++i) {
|
|
const struct fsync_component_name *n = &fsync_component_names[i];
|
|
|
|
if (strncmp(n->name, string, len))
|
|
continue;
|
|
|
|
found = 1;
|
|
if (negated)
|
|
negative |= n->component_bits;
|
|
else
|
|
positive |= n->component_bits;
|
|
}
|
|
|
|
if (!found) {
|
|
char *component = xstrndup(string, len);
|
|
warning(_("ignoring unknown core.fsync component '%s'"), component);
|
|
free(component);
|
|
}
|
|
|
|
next_name:
|
|
string = ep;
|
|
}
|
|
|
|
return (current & ~negative) | positive;
|
|
}
|
|
|
|
int git_config_bool_or_int(const char *name, const char *value,
|
|
const struct key_value_info *kvi, int *is_bool)
|
|
{
|
|
int v = git_parse_maybe_bool_text(value);
|
|
if (0 <= v) {
|
|
*is_bool = 1;
|
|
return v;
|
|
}
|
|
*is_bool = 0;
|
|
return git_config_int(name, value, kvi);
|
|
}
|
|
|
|
int git_config_bool(const char *name, const char *value)
|
|
{
|
|
int v = git_parse_maybe_bool(value);
|
|
if (v < 0)
|
|
die(_("bad boolean config value '%s' for '%s'"), value, name);
|
|
return v;
|
|
}
|
|
|
|
int git_config_string(const char **dest, const char *var, const char *value)
|
|
{
|
|
if (!value)
|
|
return config_error_nonbool(var);
|
|
*dest = xstrdup(value);
|
|
return 0;
|
|
}
|
|
|
|
int git_config_pathname(const char **dest, const char *var, const char *value)
|
|
{
|
|
if (!value)
|
|
return config_error_nonbool(var);
|
|
*dest = interpolate_path(value, 0);
|
|
if (!*dest)
|
|
die(_("failed to expand user dir in: '%s'"), value);
|
|
return 0;
|
|
}
|
|
|
|
int git_config_expiry_date(timestamp_t *timestamp, const char *var, const char *value)
|
|
{
|
|
if (!value)
|
|
return config_error_nonbool(var);
|
|
if (parse_expiry_date(value, timestamp))
|
|
return error(_("'%s' for '%s' is not a valid timestamp"),
|
|
value, var);
|
|
return 0;
|
|
}
|
|
|
|
int git_config_color(char *dest, const char *var, const char *value)
|
|
{
|
|
if (!value)
|
|
return config_error_nonbool(var);
|
|
if (color_parse(value, dest) < 0)
|
|
return -1;
|
|
return 0;
|
|
}
|
|
|
|
static int git_default_core_config(const char *var, const char *value,
|
|
const struct config_context *ctx, void *cb)
|
|
{
|
|
/* This needs a better name */
|
|
if (!strcmp(var, "core.filemode")) {
|
|
trust_executable_bit = git_config_bool(var, value);
|
|
return 0;
|
|
}
|
|
if (!strcmp(var, "core.trustctime")) {
|
|
trust_ctime = git_config_bool(var, value);
|
|
return 0;
|
|
}
|
|
if (!strcmp(var, "core.checkstat")) {
|
|
if (!value)
|
|
return config_error_nonbool(var);
|
|
if (!strcasecmp(value, "default"))
|
|
check_stat = 1;
|
|
else if (!strcasecmp(value, "minimal"))
|
|
check_stat = 0;
|
|
else
|
|
return error(_("invalid value for '%s': '%s'"),
|
|
var, value);
|
|
}
|
|
|
|
if (!strcmp(var, "core.quotepath")) {
|
|
quote_path_fully = git_config_bool(var, value);
|
|
return 0;
|
|
}
|
|
|
|
if (!strcmp(var, "core.symlinks")) {
|
|
has_symlinks = git_config_bool(var, value);
|
|
return 0;
|
|
}
|
|
|
|
if (!strcmp(var, "core.ignorecase")) {
|
|
ignore_case = git_config_bool(var, value);
|
|
return 0;
|
|
}
|
|
|
|
if (!strcmp(var, "core.attributesfile"))
|
|
return git_config_pathname(&git_attributes_file, var, value);
|
|
|
|
if (!strcmp(var, "core.hookspath"))
|
|
return git_config_pathname(&git_hooks_path, var, value);
|
|
|
|
if (!strcmp(var, "core.bare")) {
|
|
is_bare_repository_cfg = git_config_bool(var, value);
|
|
return 0;
|
|
}
|
|
|
|
if (!strcmp(var, "core.ignorestat")) {
|
|
assume_unchanged = git_config_bool(var, value);
|
|
return 0;
|
|
}
|
|
|
|
if (!strcmp(var, "core.prefersymlinkrefs")) {
|
|
prefer_symlink_refs = git_config_bool(var, value);
|
|
return 0;
|
|
}
|
|
|
|
if (!strcmp(var, "core.logallrefupdates")) {
|
|
if (value && !strcasecmp(value, "always"))
|
|
log_all_ref_updates = LOG_REFS_ALWAYS;
|
|
else if (git_config_bool(var, value))
|
|
log_all_ref_updates = LOG_REFS_NORMAL;
|
|
else
|
|
log_all_ref_updates = LOG_REFS_NONE;
|
|
return 0;
|
|
}
|
|
|
|
if (!strcmp(var, "core.warnambiguousrefs")) {
|
|
warn_ambiguous_refs = git_config_bool(var, value);
|
|
return 0;
|
|
}
|
|
|
|
if (!strcmp(var, "core.abbrev")) {
|
|
if (!value)
|
|
return config_error_nonbool(var);
|
|
if (!strcasecmp(value, "auto"))
|
|
default_abbrev = -1;
|
|
else if (!git_parse_maybe_bool_text(value))
|
|
default_abbrev = the_hash_algo->hexsz;
|
|
else {
|
|
int abbrev = git_config_int(var, value, ctx->kvi);
|
|
if (abbrev < minimum_abbrev || abbrev > the_hash_algo->hexsz)
|
|
return error(_("abbrev length out of range: %d"), abbrev);
|
|
default_abbrev = abbrev;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
if (!strcmp(var, "core.disambiguate"))
|
|
return set_disambiguate_hint_config(var, value);
|
|
|
|
if (!strcmp(var, "core.loosecompression")) {
|
|
int level = git_config_int(var, value, ctx->kvi);
|
|
if (level == -1)
|
|
level = Z_DEFAULT_COMPRESSION;
|
|
else if (level < 0 || level > Z_BEST_COMPRESSION)
|
|
die(_("bad zlib compression level %d"), level);
|
|
zlib_compression_level = level;
|
|
zlib_compression_seen = 1;
|
|
return 0;
|
|
}
|
|
|
|
if (!strcmp(var, "core.compression")) {
|
|
int level = git_config_int(var, value, ctx->kvi);
|
|
if (level == -1)
|
|
level = Z_DEFAULT_COMPRESSION;
|
|
else if (level < 0 || level > Z_BEST_COMPRESSION)
|
|
die(_("bad zlib compression level %d"), level);
|
|
if (!zlib_compression_seen)
|
|
zlib_compression_level = level;
|
|
if (!pack_compression_seen)
|
|
pack_compression_level = level;
|
|
return 0;
|
|
}
|
|
|
|
if (!strcmp(var, "core.packedgitwindowsize")) {
|
|
int pgsz_x2 = getpagesize() * 2;
|
|
packed_git_window_size = git_config_ulong(var, value, ctx->kvi);
|
|
|
|
/* This value must be multiple of (pagesize * 2) */
|
|
packed_git_window_size /= pgsz_x2;
|
|
if (packed_git_window_size < 1)
|
|
packed_git_window_size = 1;
|
|
packed_git_window_size *= pgsz_x2;
|
|
return 0;
|
|
}
|
|
|
|
if (!strcmp(var, "core.bigfilethreshold")) {
|
|
big_file_threshold = git_config_ulong(var, value, ctx->kvi);
|
|
return 0;
|
|
}
|
|
|
|
if (!strcmp(var, "core.packedgitlimit")) {
|
|
packed_git_limit = git_config_ulong(var, value, ctx->kvi);
|
|
return 0;
|
|
}
|
|
|
|
if (!strcmp(var, "core.deltabasecachelimit")) {
|
|
delta_base_cache_limit = git_config_ulong(var, value, ctx->kvi);
|
|
return 0;
|
|
}
|
|
|
|
if (!strcmp(var, "core.autocrlf")) {
|
|
if (value && !strcasecmp(value, "input")) {
|
|
auto_crlf = AUTO_CRLF_INPUT;
|
|
return 0;
|
|
}
|
|
auto_crlf = git_config_bool(var, value);
|
|
return 0;
|
|
}
|
|
|
|
if (!strcmp(var, "core.safecrlf")) {
|
|
int eol_rndtrp_die;
|
|
if (value && !strcasecmp(value, "warn")) {
|
|
global_conv_flags_eol = CONV_EOL_RNDTRP_WARN;
|
|
return 0;
|
|
}
|
|
eol_rndtrp_die = git_config_bool(var, value);
|
|
global_conv_flags_eol = eol_rndtrp_die ?
|
|
CONV_EOL_RNDTRP_DIE : 0;
|
|
return 0;
|
|
}
|
|
|
|
if (!strcmp(var, "core.eol")) {
|
|
if (value && !strcasecmp(value, "lf"))
|
|
core_eol = EOL_LF;
|
|
else if (value && !strcasecmp(value, "crlf"))
|
|
core_eol = EOL_CRLF;
|
|
else if (value && !strcasecmp(value, "native"))
|
|
core_eol = EOL_NATIVE;
|
|
else
|
|
core_eol = EOL_UNSET;
|
|
return 0;
|
|
}
|
|
|
|
if (!strcmp(var, "core.checkroundtripencoding"))
|
|
return git_config_string(&check_roundtrip_encoding, var, value);
|
|
|
|
if (!strcmp(var, "core.notesref")) {
|
|
if (!value)
|
|
return config_error_nonbool(var);
|
|
notes_ref_name = xstrdup(value);
|
|
return 0;
|
|
}
|
|
|
|
if (!strcmp(var, "core.editor"))
|
|
return git_config_string(&editor_program, var, value);
|
|
|
|
if (!strcmp(var, "core.commentchar")) {
|
|
if (!value)
|
|
return config_error_nonbool(var);
|
|
else if (!strcasecmp(value, "auto"))
|
|
auto_comment_line_char = 1;
|
|
else if (value[0] && !value[1]) {
|
|
comment_line_char = value[0];
|
|
auto_comment_line_char = 0;
|
|
} else
|
|
return error(_("core.commentChar should only be one ASCII character"));
|
|
return 0;
|
|
}
|
|
|
|
if (!strcmp(var, "core.askpass"))
|
|
return git_config_string(&askpass_program, var, value);
|
|
|
|
if (!strcmp(var, "core.excludesfile"))
|
|
return git_config_pathname(&excludes_file, var, value);
|
|
|
|
if (!strcmp(var, "core.whitespace")) {
|
|
if (!value)
|
|
return config_error_nonbool(var);
|
|
whitespace_rule_cfg = parse_whitespace_rule(value);
|
|
return 0;
|
|
}
|
|
|
|
if (!strcmp(var, "core.fsync")) {
|
|
if (!value)
|
|
return config_error_nonbool(var);
|
|
fsync_components = parse_fsync_components(var, value);
|
|
return 0;
|
|
}
|
|
|
|
if (!strcmp(var, "core.fsyncmethod")) {
|
|
if (!value)
|
|
return config_error_nonbool(var);
|
|
if (!strcmp(value, "fsync"))
|
|
fsync_method = FSYNC_METHOD_FSYNC;
|
|
else if (!strcmp(value, "writeout-only"))
|
|
fsync_method = FSYNC_METHOD_WRITEOUT_ONLY;
|
|
else if (!strcmp(value, "batch"))
|
|
fsync_method = FSYNC_METHOD_BATCH;
|
|
else
|
|
warning(_("ignoring unknown core.fsyncMethod value '%s'"), value);
|
|
|
|
}
|
|
|
|
if (!strcmp(var, "core.fsyncobjectfiles")) {
|
|
if (fsync_object_files < 0)
|
|
warning(_("core.fsyncObjectFiles is deprecated; use core.fsync instead"));
|
|
fsync_object_files = git_config_bool(var, value);
|
|
return 0;
|
|
}
|
|
|
|
if (!strcmp(var, "core.preloadindex")) {
|
|
core_preload_index = git_config_bool(var, value);
|
|
return 0;
|
|
}
|
|
|
|
if (!strcmp(var, "core.createobject")) {
|
|
if (!value)
|
|
return config_error_nonbool(var);
|
|
if (!strcmp(value, "rename"))
|
|
object_creation_mode = OBJECT_CREATION_USES_RENAMES;
|
|
else if (!strcmp(value, "link"))
|
|
object_creation_mode = OBJECT_CREATION_USES_HARDLINKS;
|
|
else
|
|
die(_("invalid mode for object creation: %s"), value);
|
|
return 0;
|
|
}
|
|
|
|
if (!strcmp(var, "core.sparsecheckout")) {
|
|
core_apply_sparse_checkout = git_config_bool(var, value);
|
|
return 0;
|
|
}
|
|
|
|
if (!strcmp(var, "core.sparsecheckoutcone")) {
|
|
core_sparse_checkout_cone = git_config_bool(var, value);
|
|
return 0;
|
|
}
|
|
|
|
if (!strcmp(var, "core.precomposeunicode")) {
|
|
precomposed_unicode = git_config_bool(var, value);
|
|
return 0;
|
|
}
|
|
|
|
if (!strcmp(var, "core.protecthfs")) {
|
|
protect_hfs = git_config_bool(var, value);
|
|
return 0;
|
|
}
|
|
|
|
if (!strcmp(var, "core.protectntfs")) {
|
|
protect_ntfs = git_config_bool(var, value);
|
|
return 0;
|
|
}
|
|
|
|
if (!strcmp(var, "core.maxtreedepth")) {
|
|
max_allowed_tree_depth = git_config_int(var, value, ctx->kvi);
|
|
return 0;
|
|
}
|
|
|
|
/* Add other config variables here and to Documentation/config.txt. */
|
|
return platform_core_config(var, value, ctx, cb);
|
|
}
|
|
|
|
static int git_default_sparse_config(const char *var, const char *value)
|
|
{
|
|
if (!strcmp(var, "sparse.expectfilesoutsideofpatterns")) {
|
|
sparse_expect_files_outside_of_patterns = git_config_bool(var, value);
|
|
return 0;
|
|
}
|
|
|
|
/* Add other config variables here and to Documentation/config/sparse.txt. */
|
|
return 0;
|
|
}
|
|
|
|
static int git_default_i18n_config(const char *var, const char *value)
|
|
{
|
|
if (!strcmp(var, "i18n.commitencoding"))
|
|
return git_config_string(&git_commit_encoding, var, value);
|
|
|
|
if (!strcmp(var, "i18n.logoutputencoding"))
|
|
return git_config_string(&git_log_output_encoding, var, value);
|
|
|
|
/* Add other config variables here and to Documentation/config.txt. */
|
|
return 0;
|
|
}
|
|
|
|
static int git_default_branch_config(const char *var, const char *value)
|
|
{
|
|
if (!strcmp(var, "branch.autosetupmerge")) {
|
|
if (value && !strcmp(value, "always")) {
|
|
git_branch_track = BRANCH_TRACK_ALWAYS;
|
|
return 0;
|
|
} else if (value && !strcmp(value, "inherit")) {
|
|
git_branch_track = BRANCH_TRACK_INHERIT;
|
|
return 0;
|
|
} else if (value && !strcmp(value, "simple")) {
|
|
git_branch_track = BRANCH_TRACK_SIMPLE;
|
|
return 0;
|
|
}
|
|
git_branch_track = git_config_bool(var, value);
|
|
return 0;
|
|
}
|
|
if (!strcmp(var, "branch.autosetuprebase")) {
|
|
if (!value)
|
|
return config_error_nonbool(var);
|
|
else if (!strcmp(value, "never"))
|
|
autorebase = AUTOREBASE_NEVER;
|
|
else if (!strcmp(value, "local"))
|
|
autorebase = AUTOREBASE_LOCAL;
|
|
else if (!strcmp(value, "remote"))
|
|
autorebase = AUTOREBASE_REMOTE;
|
|
else if (!strcmp(value, "always"))
|
|
autorebase = AUTOREBASE_ALWAYS;
|
|
else
|
|
return error(_("malformed value for %s"), var);
|
|
return 0;
|
|
}
|
|
|
|
/* Add other config variables here and to Documentation/config.txt. */
|
|
return 0;
|
|
}
|
|
|
|
static int git_default_push_config(const char *var, const char *value)
|
|
{
|
|
if (!strcmp(var, "push.default")) {
|
|
if (!value)
|
|
return config_error_nonbool(var);
|
|
else if (!strcmp(value, "nothing"))
|
|
push_default = PUSH_DEFAULT_NOTHING;
|
|
else if (!strcmp(value, "matching"))
|
|
push_default = PUSH_DEFAULT_MATCHING;
|
|
else if (!strcmp(value, "simple"))
|
|
push_default = PUSH_DEFAULT_SIMPLE;
|
|
else if (!strcmp(value, "upstream"))
|
|
push_default = PUSH_DEFAULT_UPSTREAM;
|
|
else if (!strcmp(value, "tracking")) /* deprecated */
|
|
push_default = PUSH_DEFAULT_UPSTREAM;
|
|
else if (!strcmp(value, "current"))
|
|
push_default = PUSH_DEFAULT_CURRENT;
|
|
else {
|
|
error(_("malformed value for %s: %s"), var, value);
|
|
return error(_("must be one of nothing, matching, simple, "
|
|
"upstream or current"));
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/* Add other config variables here and to Documentation/config.txt. */
|
|
return 0;
|
|
}
|
|
|
|
static int git_default_mailmap_config(const char *var, const char *value)
|
|
{
|
|
if (!strcmp(var, "mailmap.file"))
|
|
return git_config_pathname(&git_mailmap_file, var, value);
|
|
if (!strcmp(var, "mailmap.blob"))
|
|
return git_config_string(&git_mailmap_blob, var, value);
|
|
|
|
/* Add other config variables here and to Documentation/config.txt. */
|
|
return 0;
|
|
}
|
|
|
|
static int git_default_attr_config(const char *var, const char *value)
|
|
{
|
|
if (!strcmp(var, "attr.tree"))
|
|
return git_config_string(&git_attr_tree, var, value);
|
|
|
|
/*
|
|
* Add other attribute related config variables here and to
|
|
* Documentation/config/attr.txt.
|
|
*/
|
|
return 0;
|
|
}
|
|
|
|
int git_default_config(const char *var, const char *value,
|
|
const struct config_context *ctx, void *cb)
|
|
{
|
|
if (starts_with(var, "core."))
|
|
return git_default_core_config(var, value, ctx, cb);
|
|
|
|
if (starts_with(var, "user.") ||
|
|
starts_with(var, "author.") ||
|
|
starts_with(var, "committer."))
|
|
return git_ident_config(var, value, ctx, cb);
|
|
|
|
if (starts_with(var, "i18n."))
|
|
return git_default_i18n_config(var, value);
|
|
|
|
if (starts_with(var, "branch."))
|
|
return git_default_branch_config(var, value);
|
|
|
|
if (starts_with(var, "push."))
|
|
return git_default_push_config(var, value);
|
|
|
|
if (starts_with(var, "mailmap."))
|
|
return git_default_mailmap_config(var, value);
|
|
|
|
if (starts_with(var, "attr."))
|
|
return git_default_attr_config(var, value);
|
|
|
|
if (starts_with(var, "advice.") || starts_with(var, "color.advice"))
|
|
return git_default_advice_config(var, value);
|
|
|
|
if (!strcmp(var, "pager.color") || !strcmp(var, "color.pager")) {
|
|
pager_use_color = git_config_bool(var,value);
|
|
return 0;
|
|
}
|
|
|
|
if (!strcmp(var, "pack.packsizelimit")) {
|
|
pack_size_limit_cfg = git_config_ulong(var, value, ctx->kvi);
|
|
return 0;
|
|
}
|
|
|
|
if (!strcmp(var, "pack.compression")) {
|
|
int level = git_config_int(var, value, ctx->kvi);
|
|
if (level == -1)
|
|
level = Z_DEFAULT_COMPRESSION;
|
|
else if (level < 0 || level > Z_BEST_COMPRESSION)
|
|
die(_("bad pack compression level %d"), level);
|
|
pack_compression_level = level;
|
|
pack_compression_seen = 1;
|
|
return 0;
|
|
}
|
|
|
|
if (starts_with(var, "sparse."))
|
|
return git_default_sparse_config(var, value);
|
|
|
|
/* Add other config variables here and to Documentation/config.txt. */
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* All source specific fields in the union, die_on_error, name and the callbacks
|
|
* fgetc, ungetc, ftell of top need to be initialized before calling
|
|
* this function.
|
|
*/
|
|
static int do_config_from(struct config_source *top, config_fn_t fn,
|
|
void *data, enum config_scope scope,
|
|
const struct config_options *opts)
|
|
{
|
|
struct key_value_info kvi = KVI_INIT;
|
|
int ret;
|
|
|
|
/* push config-file parsing state stack */
|
|
top->linenr = 1;
|
|
top->eof = 0;
|
|
top->total_len = 0;
|
|
strbuf_init(&top->value, 1024);
|
|
strbuf_init(&top->var, 1024);
|
|
kvi_from_source(top, scope, &kvi);
|
|
|
|
ret = git_parse_source(top, fn, &kvi, data, opts);
|
|
|
|
strbuf_release(&top->value);
|
|
strbuf_release(&top->var);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int do_config_from_file(config_fn_t fn,
|
|
const enum config_origin_type origin_type,
|
|
const char *name, const char *path, FILE *f,
|
|
void *data, enum config_scope scope,
|
|
const struct config_options *opts)
|
|
{
|
|
struct config_source top = CONFIG_SOURCE_INIT;
|
|
int ret;
|
|
|
|
top.u.file = f;
|
|
top.origin_type = origin_type;
|
|
top.name = name;
|
|
top.path = path;
|
|
top.default_error_action = CONFIG_ERROR_DIE;
|
|
top.do_fgetc = config_file_fgetc;
|
|
top.do_ungetc = config_file_ungetc;
|
|
top.do_ftell = config_file_ftell;
|
|
|
|
flockfile(f);
|
|
ret = do_config_from(&top, fn, data, scope, opts);
|
|
funlockfile(f);
|
|
return ret;
|
|
}
|
|
|
|
static int git_config_from_stdin(config_fn_t fn, void *data,
|
|
enum config_scope scope)
|
|
{
|
|
return do_config_from_file(fn, CONFIG_ORIGIN_STDIN, "", NULL, stdin,
|
|
data, scope, NULL);
|
|
}
|
|
|
|
int git_config_from_file_with_options(config_fn_t fn, const char *filename,
|
|
void *data, enum config_scope scope,
|
|
const struct config_options *opts)
|
|
{
|
|
int ret = -1;
|
|
FILE *f;
|
|
|
|
if (!filename)
|
|
BUG("filename cannot be NULL");
|
|
f = fopen_or_warn(filename, "r");
|
|
if (f) {
|
|
ret = do_config_from_file(fn, CONFIG_ORIGIN_FILE, filename,
|
|
filename, f, data, scope, opts);
|
|
fclose(f);
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
int git_config_from_file(config_fn_t fn, const char *filename, void *data)
|
|
{
|
|
return git_config_from_file_with_options(fn, filename, data,
|
|
CONFIG_SCOPE_UNKNOWN, NULL);
|
|
}
|
|
|
|
int git_config_from_mem(config_fn_t fn,
|
|
const enum config_origin_type origin_type,
|
|
const char *name, const char *buf, size_t len,
|
|
void *data, enum config_scope scope,
|
|
const struct config_options *opts)
|
|
{
|
|
struct config_source top = CONFIG_SOURCE_INIT;
|
|
|
|
top.u.buf.buf = buf;
|
|
top.u.buf.len = len;
|
|
top.u.buf.pos = 0;
|
|
top.origin_type = origin_type;
|
|
top.name = name;
|
|
top.path = NULL;
|
|
top.default_error_action = CONFIG_ERROR_ERROR;
|
|
top.do_fgetc = config_buf_fgetc;
|
|
top.do_ungetc = config_buf_ungetc;
|
|
top.do_ftell = config_buf_ftell;
|
|
|
|
return do_config_from(&top, fn, data, scope, opts);
|
|
}
|
|
|
|
int git_config_from_blob_oid(config_fn_t fn,
|
|
const char *name,
|
|
struct repository *repo,
|
|
const struct object_id *oid,
|
|
void *data,
|
|
enum config_scope scope)
|
|
{
|
|
enum object_type type;
|
|
char *buf;
|
|
unsigned long size;
|
|
int ret;
|
|
|
|
buf = repo_read_object_file(repo, oid, &type, &size);
|
|
if (!buf)
|
|
return error(_("unable to load config blob object '%s'"), name);
|
|
if (type != OBJ_BLOB) {
|
|
free(buf);
|
|
return error(_("reference '%s' does not point to a blob"), name);
|
|
}
|
|
|
|
ret = git_config_from_mem(fn, CONFIG_ORIGIN_BLOB, name, buf, size,
|
|
data, scope, NULL);
|
|
free(buf);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int git_config_from_blob_ref(config_fn_t fn,
|
|
struct repository *repo,
|
|
const char *name,
|
|
void *data,
|
|
enum config_scope scope)
|
|
{
|
|
struct object_id oid;
|
|
|
|
if (repo_get_oid(repo, name, &oid) < 0)
|
|
return error(_("unable to resolve config blob '%s'"), name);
|
|
return git_config_from_blob_oid(fn, name, repo, &oid, data, scope);
|
|
}
|
|
|
|
char *git_system_config(void)
|
|
{
|
|
char *system_config = xstrdup_or_null(getenv("GIT_CONFIG_SYSTEM"));
|
|
if (!system_config)
|
|
system_config = system_path(ETC_GITCONFIG);
|
|
normalize_path_copy(system_config, system_config);
|
|
return system_config;
|
|
}
|
|
|
|
char *git_global_config(void)
|
|
{
|
|
char *user_config, *xdg_config;
|
|
|
|
git_global_config_paths(&user_config, &xdg_config);
|
|
if (!user_config) {
|
|
free(xdg_config);
|
|
return NULL;
|
|
}
|
|
|
|
if (access_or_warn(user_config, R_OK, 0) && xdg_config &&
|
|
!access_or_warn(xdg_config, R_OK, 0)) {
|
|
free(user_config);
|
|
return xdg_config;
|
|
} else {
|
|
free(xdg_config);
|
|
return user_config;
|
|
}
|
|
}
|
|
|
|
void git_global_config_paths(char **user_out, char **xdg_out)
|
|
{
|
|
char *user_config = xstrdup_or_null(getenv("GIT_CONFIG_GLOBAL"));
|
|
char *xdg_config = NULL;
|
|
|
|
if (!user_config) {
|
|
user_config = interpolate_path("~/.gitconfig", 0);
|
|
xdg_config = xdg_config_home("config");
|
|
}
|
|
|
|
*user_out = user_config;
|
|
*xdg_out = xdg_config;
|
|
}
|
|
|
|
int git_config_system(void)
|
|
{
|
|
return !git_env_bool("GIT_CONFIG_NOSYSTEM", 0);
|
|
}
|
|
|
|
static int do_git_config_sequence(const struct config_options *opts,
|
|
const struct repository *repo,
|
|
config_fn_t fn, void *data)
|
|
{
|
|
int ret = 0;
|
|
char *system_config = git_system_config();
|
|
char *xdg_config = NULL;
|
|
char *user_config = NULL;
|
|
char *repo_config;
|
|
char *worktree_config;
|
|
|
|
/*
|
|
* Ensure that either:
|
|
* - the git_dir and commondir are both set, or
|
|
* - the git_dir and commondir are both NULL
|
|
*/
|
|
if (!opts->git_dir != !opts->commondir)
|
|
BUG("only one of commondir and git_dir is non-NULL");
|
|
|
|
if (opts->commondir) {
|
|
repo_config = mkpathdup("%s/config", opts->commondir);
|
|
worktree_config = mkpathdup("%s/config.worktree", opts->git_dir);
|
|
} else {
|
|
repo_config = NULL;
|
|
worktree_config = NULL;
|
|
}
|
|
|
|
if (git_config_system() && system_config &&
|
|
!access_or_die(system_config, R_OK,
|
|
opts->system_gently ? ACCESS_EACCES_OK : 0))
|
|
ret += git_config_from_file_with_options(fn, system_config,
|
|
data, CONFIG_SCOPE_SYSTEM,
|
|
NULL);
|
|
|
|
git_global_config_paths(&user_config, &xdg_config);
|
|
|
|
if (xdg_config && !access_or_die(xdg_config, R_OK, ACCESS_EACCES_OK))
|
|
ret += git_config_from_file_with_options(fn, xdg_config, data,
|
|
CONFIG_SCOPE_GLOBAL, NULL);
|
|
|
|
if (user_config && !access_or_die(user_config, R_OK, ACCESS_EACCES_OK))
|
|
ret += git_config_from_file_with_options(fn, user_config, data,
|
|
CONFIG_SCOPE_GLOBAL, NULL);
|
|
|
|
if (!opts->ignore_repo && repo_config &&
|
|
!access_or_die(repo_config, R_OK, 0))
|
|
ret += git_config_from_file_with_options(fn, repo_config, data,
|
|
CONFIG_SCOPE_LOCAL, NULL);
|
|
|
|
if (!opts->ignore_worktree && worktree_config &&
|
|
repo && repo->repository_format_worktree_config &&
|
|
!access_or_die(worktree_config, R_OK, 0)) {
|
|
ret += git_config_from_file_with_options(fn, worktree_config, data,
|
|
CONFIG_SCOPE_WORKTREE,
|
|
NULL);
|
|
}
|
|
|
|
if (!opts->ignore_cmdline && git_config_from_parameters(fn, data) < 0)
|
|
die(_("unable to parse command-line config"));
|
|
|
|
free(system_config);
|
|
free(xdg_config);
|
|
free(user_config);
|
|
free(repo_config);
|
|
free(worktree_config);
|
|
return ret;
|
|
}
|
|
|
|
int config_with_options(config_fn_t fn, void *data,
|
|
struct git_config_source *config_source,
|
|
struct repository *repo,
|
|
const struct config_options *opts)
|
|
{
|
|
struct config_include_data inc = CONFIG_INCLUDE_INIT;
|
|
int ret;
|
|
|
|
if (opts->respect_includes) {
|
|
inc.fn = fn;
|
|
inc.data = data;
|
|
inc.opts = opts;
|
|
inc.repo = repo;
|
|
inc.config_source = config_source;
|
|
fn = git_config_include;
|
|
data = &inc;
|
|
}
|
|
|
|
/*
|
|
* If we have a specific filename, use it. Otherwise, follow the
|
|
* regular lookup sequence.
|
|
*/
|
|
if (config_source && config_source->use_stdin) {
|
|
ret = git_config_from_stdin(fn, data, config_source->scope);
|
|
} else if (config_source && config_source->file) {
|
|
ret = git_config_from_file_with_options(fn, config_source->file,
|
|
data, config_source->scope,
|
|
NULL);
|
|
} else if (config_source && config_source->blob) {
|
|
ret = git_config_from_blob_ref(fn, repo, config_source->blob,
|
|
data, config_source->scope);
|
|
} else {
|
|
ret = do_git_config_sequence(opts, repo, fn, data);
|
|
}
|
|
|
|
if (inc.remote_urls) {
|
|
string_list_clear(inc.remote_urls, 0);
|
|
FREE_AND_NULL(inc.remote_urls);
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
static void configset_iter(struct config_set *set, config_fn_t fn, void *data)
|
|
{
|
|
int i, value_index;
|
|
struct string_list *values;
|
|
struct config_set_element *entry;
|
|
struct configset_list *list = &set->list;
|
|
struct config_context ctx = CONFIG_CONTEXT_INIT;
|
|
|
|
for (i = 0; i < list->nr; i++) {
|
|
entry = list->items[i].e;
|
|
value_index = list->items[i].value_index;
|
|
values = &entry->value_list;
|
|
|
|
ctx.kvi = values->items[value_index].util;
|
|
if (fn(entry->key, values->items[value_index].string, &ctx, data) < 0)
|
|
git_die_config_linenr(entry->key,
|
|
ctx.kvi->filename,
|
|
ctx.kvi->linenr);
|
|
}
|
|
}
|
|
|
|
void read_early_config(config_fn_t cb, void *data)
|
|
{
|
|
struct config_options opts = {0};
|
|
struct strbuf commondir = STRBUF_INIT;
|
|
struct strbuf gitdir = STRBUF_INIT;
|
|
|
|
opts.respect_includes = 1;
|
|
|
|
if (have_git_dir()) {
|
|
opts.commondir = get_git_common_dir();
|
|
opts.git_dir = get_git_dir();
|
|
/*
|
|
* When setup_git_directory() was not yet asked to discover the
|
|
* GIT_DIR, we ask discover_git_directory() to figure out whether there
|
|
* is any repository config we should use (but unlike
|
|
* setup_git_directory_gently(), no global state is changed, most
|
|
* notably, the current working directory is still the same after the
|
|
* call).
|
|
*/
|
|
} else if (!discover_git_directory(&commondir, &gitdir)) {
|
|
opts.commondir = commondir.buf;
|
|
opts.git_dir = gitdir.buf;
|
|
}
|
|
|
|
config_with_options(cb, data, NULL, NULL, &opts);
|
|
|
|
strbuf_release(&commondir);
|
|
strbuf_release(&gitdir);
|
|
}
|
|
|
|
/*
|
|
* Read config but only enumerate system and global settings.
|
|
* Omit any repo-local, worktree-local, or command-line settings.
|
|
*/
|
|
void read_very_early_config(config_fn_t cb, void *data)
|
|
{
|
|
struct config_options opts = { 0 };
|
|
|
|
opts.respect_includes = 1;
|
|
opts.ignore_repo = 1;
|
|
opts.ignore_worktree = 1;
|
|
opts.ignore_cmdline = 1;
|
|
opts.system_gently = 1;
|
|
|
|
config_with_options(cb, data, NULL, NULL, &opts);
|
|
}
|
|
|
|
RESULT_MUST_BE_USED
|
|
static int configset_find_element(struct config_set *set, const char *key,
|
|
struct config_set_element **dest)
|
|
{
|
|
struct config_set_element k;
|
|
struct config_set_element *found_entry;
|
|
char *normalized_key;
|
|
int ret;
|
|
|
|
/*
|
|
* `key` may come from the user, so normalize it before using it
|
|
* for querying entries from the hashmap.
|
|
*/
|
|
ret = git_config_parse_key(key, &normalized_key, NULL);
|
|
if (ret)
|
|
return ret;
|
|
|
|
hashmap_entry_init(&k.ent, strhash(normalized_key));
|
|
k.key = normalized_key;
|
|
found_entry = hashmap_get_entry(&set->config_hash, &k, ent, NULL);
|
|
free(normalized_key);
|
|
*dest = found_entry;
|
|
return 0;
|
|
}
|
|
|
|
static int configset_add_value(const struct key_value_info *kvi_p,
|
|
struct config_set *set, const char *key,
|
|
const char *value)
|
|
{
|
|
struct config_set_element *e;
|
|
struct string_list_item *si;
|
|
struct configset_list_item *l_item;
|
|
struct key_value_info *kv_info = xmalloc(sizeof(*kv_info));
|
|
int ret;
|
|
|
|
ret = configset_find_element(set, key, &e);
|
|
if (ret)
|
|
return ret;
|
|
/*
|
|
* Since the keys are being fed by git_config*() callback mechanism, they
|
|
* are already normalized. So simply add them without any further munging.
|
|
*/
|
|
if (!e) {
|
|
e = xmalloc(sizeof(*e));
|
|
hashmap_entry_init(&e->ent, strhash(key));
|
|
e->key = xstrdup(key);
|
|
string_list_init_dup(&e->value_list);
|
|
hashmap_add(&set->config_hash, &e->ent);
|
|
}
|
|
si = string_list_append_nodup(&e->value_list, xstrdup_or_null(value));
|
|
|
|
ALLOC_GROW(set->list.items, set->list.nr + 1, set->list.alloc);
|
|
l_item = &set->list.items[set->list.nr++];
|
|
l_item->e = e;
|
|
l_item->value_index = e->value_list.nr - 1;
|
|
|
|
*kv_info = *kvi_p;
|
|
si->util = kv_info;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int config_set_element_cmp(const void *cmp_data UNUSED,
|
|
const struct hashmap_entry *eptr,
|
|
const struct hashmap_entry *entry_or_key,
|
|
const void *keydata UNUSED)
|
|
{
|
|
const struct config_set_element *e1, *e2;
|
|
|
|
e1 = container_of(eptr, const struct config_set_element, ent);
|
|
e2 = container_of(entry_or_key, const struct config_set_element, ent);
|
|
|
|
return strcmp(e1->key, e2->key);
|
|
}
|
|
|
|
void git_configset_init(struct config_set *set)
|
|
{
|
|
hashmap_init(&set->config_hash, config_set_element_cmp, NULL, 0);
|
|
set->hash_initialized = 1;
|
|
set->list.nr = 0;
|
|
set->list.alloc = 0;
|
|
set->list.items = NULL;
|
|
}
|
|
|
|
void git_configset_clear(struct config_set *set)
|
|
{
|
|
struct config_set_element *entry;
|
|
struct hashmap_iter iter;
|
|
if (!set->hash_initialized)
|
|
return;
|
|
|
|
hashmap_for_each_entry(&set->config_hash, &iter, entry,
|
|
ent /* member name */) {
|
|
free(entry->key);
|
|
string_list_clear(&entry->value_list, 1);
|
|
}
|
|
hashmap_clear_and_free(&set->config_hash, struct config_set_element, ent);
|
|
set->hash_initialized = 0;
|
|
free(set->list.items);
|
|
set->list.nr = 0;
|
|
set->list.alloc = 0;
|
|
set->list.items = NULL;
|
|
}
|
|
|
|
static int config_set_callback(const char *key, const char *value,
|
|
const struct config_context *ctx,
|
|
void *cb)
|
|
{
|
|
struct config_set *set = cb;
|
|
configset_add_value(ctx->kvi, set, key, value);
|
|
return 0;
|
|
}
|
|
|
|
int git_configset_add_file(struct config_set *set, const char *filename)
|
|
{
|
|
return git_config_from_file(config_set_callback, filename, set);
|
|
}
|
|
|
|
int git_configset_get_value(struct config_set *set, const char *key,
|
|
const char **value, struct key_value_info *kvi)
|
|
{
|
|
const struct string_list *values = NULL;
|
|
int ret;
|
|
struct string_list_item item;
|
|
/*
|
|
* Follows "last one wins" semantic, i.e., if there are multiple matches for the
|
|
* queried key in the files of the configset, the value returned will be the last
|
|
* value in the value list for that key.
|
|
*/
|
|
if ((ret = git_configset_get_value_multi(set, key, &values)))
|
|
return ret;
|
|
|
|
assert(values->nr > 0);
|
|
item = values->items[values->nr - 1];
|
|
*value = item.string;
|
|
if (kvi)
|
|
*kvi = *((struct key_value_info *)item.util);
|
|
return 0;
|
|
}
|
|
|
|
int git_configset_get_value_multi(struct config_set *set, const char *key,
|
|
const struct string_list **dest)
|
|
{
|
|
struct config_set_element *e;
|
|
int ret;
|
|
|
|
if ((ret = configset_find_element(set, key, &e)))
|
|
return ret;
|
|
else if (!e)
|
|
return 1;
|
|
*dest = &e->value_list;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int check_multi_string(struct string_list_item *item, void *util)
|
|
{
|
|
return item->string ? 0 : config_error_nonbool(util);
|
|
}
|
|
|
|
int git_configset_get_string_multi(struct config_set *cs, const char *key,
|
|
const struct string_list **dest)
|
|
{
|
|
int ret;
|
|
|
|
if ((ret = git_configset_get_value_multi(cs, key, dest)))
|
|
return ret;
|
|
if ((ret = for_each_string_list((struct string_list *)*dest,
|
|
check_multi_string, (void *)key)))
|
|
return ret;
|
|
|
|
return 0;
|
|
}
|
|
|
|
int git_configset_get(struct config_set *set, const char *key)
|
|
{
|
|
struct config_set_element *e;
|
|
int ret;
|
|
|
|
if ((ret = configset_find_element(set, key, &e)))
|
|
return ret;
|
|
else if (!e)
|
|
return 1;
|
|
return 0;
|
|
}
|
|
|
|
int git_configset_get_string(struct config_set *set, const char *key, char **dest)
|
|
{
|
|
const char *value;
|
|
if (!git_configset_get_value(set, key, &value, NULL))
|
|
return git_config_string((const char **)dest, key, value);
|
|
else
|
|
return 1;
|
|
}
|
|
|
|
static int git_configset_get_string_tmp(struct config_set *set, const char *key,
|
|
const char **dest)
|
|
{
|
|
const char *value;
|
|
if (!git_configset_get_value(set, key, &value, NULL)) {
|
|
if (!value)
|
|
return config_error_nonbool(key);
|
|
*dest = value;
|
|
return 0;
|
|
} else {
|
|
return 1;
|
|
}
|
|
}
|
|
|
|
int git_configset_get_int(struct config_set *set, const char *key, int *dest)
|
|
{
|
|
const char *value;
|
|
struct key_value_info kvi;
|
|
|
|
if (!git_configset_get_value(set, key, &value, &kvi)) {
|
|
*dest = git_config_int(key, value, &kvi);
|
|
return 0;
|
|
} else
|
|
return 1;
|
|
}
|
|
|
|
int git_configset_get_ulong(struct config_set *set, const char *key, unsigned long *dest)
|
|
{
|
|
const char *value;
|
|
struct key_value_info kvi;
|
|
|
|
if (!git_configset_get_value(set, key, &value, &kvi)) {
|
|
*dest = git_config_ulong(key, value, &kvi);
|
|
return 0;
|
|
} else
|
|
return 1;
|
|
}
|
|
|
|
int git_configset_get_bool(struct config_set *set, const char *key, int *dest)
|
|
{
|
|
const char *value;
|
|
if (!git_configset_get_value(set, key, &value, NULL)) {
|
|
*dest = git_config_bool(key, value);
|
|
return 0;
|
|
} else
|
|
return 1;
|
|
}
|
|
|
|
int git_configset_get_bool_or_int(struct config_set *set, const char *key,
|
|
int *is_bool, int *dest)
|
|
{
|
|
const char *value;
|
|
struct key_value_info kvi;
|
|
|
|
if (!git_configset_get_value(set, key, &value, &kvi)) {
|
|
*dest = git_config_bool_or_int(key, value, &kvi, is_bool);
|
|
return 0;
|
|
} else
|
|
return 1;
|
|
}
|
|
|
|
int git_configset_get_maybe_bool(struct config_set *set, const char *key, int *dest)
|
|
{
|
|
const char *value;
|
|
if (!git_configset_get_value(set, key, &value, NULL)) {
|
|
*dest = git_parse_maybe_bool(value);
|
|
if (*dest == -1)
|
|
return -1;
|
|
return 0;
|
|
} else
|
|
return 1;
|
|
}
|
|
|
|
int git_configset_get_pathname(struct config_set *set, const char *key, const char **dest)
|
|
{
|
|
const char *value;
|
|
if (!git_configset_get_value(set, key, &value, NULL))
|
|
return git_config_pathname(dest, key, value);
|
|
else
|
|
return 1;
|
|
}
|
|
|
|
/* Functions use to read configuration from a repository */
|
|
static void repo_read_config(struct repository *repo)
|
|
{
|
|
struct config_options opts = { 0 };
|
|
|
|
opts.respect_includes = 1;
|
|
opts.commondir = repo->commondir;
|
|
opts.git_dir = repo->gitdir;
|
|
|
|
if (!repo->config)
|
|
CALLOC_ARRAY(repo->config, 1);
|
|
else
|
|
git_configset_clear(repo->config);
|
|
|
|
git_configset_init(repo->config);
|
|
if (config_with_options(config_set_callback, repo->config, NULL,
|
|
repo, &opts) < 0)
|
|
/*
|
|
* config_with_options() normally returns only
|
|
* zero, as most errors are fatal, and
|
|
* non-fatal potential errors are guarded by "if"
|
|
* statements that are entered only when no error is
|
|
* possible.
|
|
*
|
|
* If we ever encounter a non-fatal error, it means
|
|
* something went really wrong and we should stop
|
|
* immediately.
|
|
*/
|
|
die(_("unknown error occurred while reading the configuration files"));
|
|
}
|
|
|
|
static void git_config_check_init(struct repository *repo)
|
|
{
|
|
if (repo->config && repo->config->hash_initialized)
|
|
return;
|
|
repo_read_config(repo);
|
|
}
|
|
|
|
static void repo_config_clear(struct repository *repo)
|
|
{
|
|
if (!repo->config || !repo->config->hash_initialized)
|
|
return;
|
|
git_configset_clear(repo->config);
|
|
}
|
|
|
|
void repo_config(struct repository *repo, config_fn_t fn, void *data)
|
|
{
|
|
git_config_check_init(repo);
|
|
configset_iter(repo->config, fn, data);
|
|
}
|
|
|
|
int repo_config_get(struct repository *repo, const char *key)
|
|
{
|
|
git_config_check_init(repo);
|
|
return git_configset_get(repo->config, key);
|
|
}
|
|
|
|
int repo_config_get_value(struct repository *repo,
|
|
const char *key, const char **value)
|
|
{
|
|
git_config_check_init(repo);
|
|
return git_configset_get_value(repo->config, key, value, NULL);
|
|
}
|
|
|
|
int repo_config_get_value_multi(struct repository *repo, const char *key,
|
|
const struct string_list **dest)
|
|
{
|
|
git_config_check_init(repo);
|
|
return git_configset_get_value_multi(repo->config, key, dest);
|
|
}
|
|
|
|
int repo_config_get_string_multi(struct repository *repo, const char *key,
|
|
const struct string_list **dest)
|
|
{
|
|
git_config_check_init(repo);
|
|
return git_configset_get_string_multi(repo->config, key, dest);
|
|
}
|
|
|
|
int repo_config_get_string(struct repository *repo,
|
|
const char *key, char **dest)
|
|
{
|
|
int ret;
|
|
git_config_check_init(repo);
|
|
ret = git_configset_get_string(repo->config, key, dest);
|
|
if (ret < 0)
|
|
git_die_config(key, NULL);
|
|
return ret;
|
|
}
|
|
|
|
int repo_config_get_string_tmp(struct repository *repo,
|
|
const char *key, const char **dest)
|
|
{
|
|
int ret;
|
|
git_config_check_init(repo);
|
|
ret = git_configset_get_string_tmp(repo->config, key, dest);
|
|
if (ret < 0)
|
|
git_die_config(key, NULL);
|
|
return ret;
|
|
}
|
|
|
|
int repo_config_get_int(struct repository *repo,
|
|
const char *key, int *dest)
|
|
{
|
|
git_config_check_init(repo);
|
|
return git_configset_get_int(repo->config, key, dest);
|
|
}
|
|
|
|
int repo_config_get_ulong(struct repository *repo,
|
|
const char *key, unsigned long *dest)
|
|
{
|
|
git_config_check_init(repo);
|
|
return git_configset_get_ulong(repo->config, key, dest);
|
|
}
|
|
|
|
int repo_config_get_bool(struct repository *repo,
|
|
const char *key, int *dest)
|
|
{
|
|
git_config_check_init(repo);
|
|
return git_configset_get_bool(repo->config, key, dest);
|
|
}
|
|
|
|
int repo_config_get_bool_or_int(struct repository *repo,
|
|
const char *key, int *is_bool, int *dest)
|
|
{
|
|
git_config_check_init(repo);
|
|
return git_configset_get_bool_or_int(repo->config, key, is_bool, dest);
|
|
}
|
|
|
|
int repo_config_get_maybe_bool(struct repository *repo,
|
|
const char *key, int *dest)
|
|
{
|
|
git_config_check_init(repo);
|
|
return git_configset_get_maybe_bool(repo->config, key, dest);
|
|
}
|
|
|
|
int repo_config_get_pathname(struct repository *repo,
|
|
const char *key, const char **dest)
|
|
{
|
|
int ret;
|
|
git_config_check_init(repo);
|
|
ret = git_configset_get_pathname(repo->config, key, dest);
|
|
if (ret < 0)
|
|
git_die_config(key, NULL);
|
|
return ret;
|
|
}
|
|
|
|
/* Read values into protected_config. */
|
|
static void read_protected_config(void)
|
|
{
|
|
struct config_options opts = {
|
|
.respect_includes = 1,
|
|
.ignore_repo = 1,
|
|
.ignore_worktree = 1,
|
|
.system_gently = 1,
|
|
};
|
|
|
|
git_configset_init(&protected_config);
|
|
config_with_options(config_set_callback, &protected_config, NULL,
|
|
NULL, &opts);
|
|
}
|
|
|
|
void git_protected_config(config_fn_t fn, void *data)
|
|
{
|
|
if (!protected_config.hash_initialized)
|
|
read_protected_config();
|
|
configset_iter(&protected_config, fn, data);
|
|
}
|
|
|
|
/* Functions used historically to read configuration from 'the_repository' */
|
|
void git_config(config_fn_t fn, void *data)
|
|
{
|
|
repo_config(the_repository, fn, data);
|
|
}
|
|
|
|
void git_config_clear(void)
|
|
{
|
|
repo_config_clear(the_repository);
|
|
}
|
|
|
|
int git_config_get(const char *key)
|
|
{
|
|
return repo_config_get(the_repository, key);
|
|
}
|
|
|
|
int git_config_get_value(const char *key, const char **value)
|
|
{
|
|
return repo_config_get_value(the_repository, key, value);
|
|
}
|
|
|
|
int git_config_get_value_multi(const char *key, const struct string_list **dest)
|
|
{
|
|
return repo_config_get_value_multi(the_repository, key, dest);
|
|
}
|
|
|
|
int git_config_get_string_multi(const char *key,
|
|
const struct string_list **dest)
|
|
{
|
|
return repo_config_get_string_multi(the_repository, key, dest);
|
|
}
|
|
|
|
int git_config_get_string(const char *key, char **dest)
|
|
{
|
|
return repo_config_get_string(the_repository, key, dest);
|
|
}
|
|
|
|
int git_config_get_string_tmp(const char *key, const char **dest)
|
|
{
|
|
return repo_config_get_string_tmp(the_repository, key, dest);
|
|
}
|
|
|
|
int git_config_get_int(const char *key, int *dest)
|
|
{
|
|
return repo_config_get_int(the_repository, key, dest);
|
|
}
|
|
|
|
int git_config_get_ulong(const char *key, unsigned long *dest)
|
|
{
|
|
return repo_config_get_ulong(the_repository, key, dest);
|
|
}
|
|
|
|
int git_config_get_bool(const char *key, int *dest)
|
|
{
|
|
return repo_config_get_bool(the_repository, key, dest);
|
|
}
|
|
|
|
int git_config_get_bool_or_int(const char *key, int *is_bool, int *dest)
|
|
{
|
|
return repo_config_get_bool_or_int(the_repository, key, is_bool, dest);
|
|
}
|
|
|
|
int git_config_get_maybe_bool(const char *key, int *dest)
|
|
{
|
|
return repo_config_get_maybe_bool(the_repository, key, dest);
|
|
}
|
|
|
|
int git_config_get_pathname(const char *key, const char **dest)
|
|
{
|
|
return repo_config_get_pathname(the_repository, key, dest);
|
|
}
|
|
|
|
int git_config_get_expiry(const char *key, const char **output)
|
|
{
|
|
int ret = git_config_get_string(key, (char **)output);
|
|
if (ret)
|
|
return ret;
|
|
if (strcmp(*output, "now")) {
|
|
timestamp_t now = approxidate("now");
|
|
if (approxidate(*output) >= now)
|
|
git_die_config(key, _("Invalid %s: '%s'"), key, *output);
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
int git_config_get_expiry_in_days(const char *key, timestamp_t *expiry, timestamp_t now)
|
|
{
|
|
const char *expiry_string;
|
|
intmax_t days;
|
|
timestamp_t when;
|
|
|
|
if (git_config_get_string_tmp(key, &expiry_string))
|
|
return 1; /* no such thing */
|
|
|
|
if (git_parse_signed(expiry_string, &days, maximum_signed_value_of_type(int))) {
|
|
const int scale = 86400;
|
|
*expiry = now - days * scale;
|
|
return 0;
|
|
}
|
|
|
|
if (!parse_expiry_date(expiry_string, &when)) {
|
|
*expiry = when;
|
|
return 0;
|
|
}
|
|
return -1; /* thing exists but cannot be parsed */
|
|
}
|
|
|
|
int git_config_get_split_index(void)
|
|
{
|
|
int val;
|
|
|
|
if (!git_config_get_maybe_bool("core.splitindex", &val))
|
|
return val;
|
|
|
|
return -1; /* default value */
|
|
}
|
|
|
|
int git_config_get_max_percent_split_change(void)
|
|
{
|
|
int val = -1;
|
|
|
|
if (!git_config_get_int("splitindex.maxpercentchange", &val)) {
|
|
if (0 <= val && val <= 100)
|
|
return val;
|
|
|
|
return error(_("splitIndex.maxPercentChange value '%d' "
|
|
"should be between 0 and 100"), val);
|
|
}
|
|
|
|
return -1; /* default value */
|
|
}
|
|
|
|
int git_config_get_index_threads(int *dest)
|
|
{
|
|
int is_bool, val;
|
|
|
|
val = git_env_ulong("GIT_TEST_INDEX_THREADS", 0);
|
|
if (val) {
|
|
*dest = val;
|
|
return 0;
|
|
}
|
|
|
|
if (!git_config_get_bool_or_int("index.threads", &is_bool, &val)) {
|
|
if (is_bool)
|
|
*dest = val ? 0 : 1;
|
|
else
|
|
*dest = val;
|
|
return 0;
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
NORETURN
|
|
void git_die_config_linenr(const char *key, const char *filename, int linenr)
|
|
{
|
|
if (!filename)
|
|
die(_("unable to parse '%s' from command-line config"), key);
|
|
else
|
|
die(_("bad config variable '%s' in file '%s' at line %d"),
|
|
key, filename, linenr);
|
|
}
|
|
|
|
NORETURN __attribute__((format(printf, 2, 3)))
|
|
void git_die_config(const char *key, const char *err, ...)
|
|
{
|
|
const struct string_list *values;
|
|
struct key_value_info *kv_info;
|
|
report_fn error_fn = get_error_routine();
|
|
|
|
if (err) {
|
|
va_list params;
|
|
va_start(params, err);
|
|
error_fn(err, params);
|
|
va_end(params);
|
|
}
|
|
if (git_config_get_value_multi(key, &values))
|
|
BUG("for key '%s' we must have a value to report on", key);
|
|
kv_info = values->items[values->nr - 1].util;
|
|
git_die_config_linenr(key, kv_info->filename, kv_info->linenr);
|
|
}
|
|
|
|
/*
|
|
* Find all the stuff for git_config_set() below.
|
|
*/
|
|
|
|
struct config_store_data {
|
|
size_t baselen;
|
|
char *key;
|
|
int do_not_match;
|
|
const char *fixed_value;
|
|
regex_t *value_pattern;
|
|
int multi_replace;
|
|
struct {
|
|
size_t begin, end;
|
|
enum config_event_t type;
|
|
int is_keys_section;
|
|
} *parsed;
|
|
unsigned int parsed_nr, parsed_alloc, *seen, seen_nr, seen_alloc;
|
|
unsigned int key_seen:1, section_seen:1, is_keys_section:1;
|
|
};
|
|
#define CONFIG_STORE_INIT { 0 }
|
|
|
|
static void config_store_data_clear(struct config_store_data *store)
|
|
{
|
|
free(store->key);
|
|
if (store->value_pattern != NULL &&
|
|
store->value_pattern != CONFIG_REGEX_NONE) {
|
|
regfree(store->value_pattern);
|
|
free(store->value_pattern);
|
|
}
|
|
free(store->parsed);
|
|
free(store->seen);
|
|
memset(store, 0, sizeof(*store));
|
|
}
|
|
|
|
static int matches(const char *key, const char *value,
|
|
const struct config_store_data *store)
|
|
{
|
|
if (strcmp(key, store->key))
|
|
return 0; /* not ours */
|
|
if (store->fixed_value)
|
|
return !strcmp(store->fixed_value, value);
|
|
if (!store->value_pattern)
|
|
return 1; /* always matches */
|
|
if (store->value_pattern == CONFIG_REGEX_NONE)
|
|
return 0; /* never matches */
|
|
|
|
return store->do_not_match ^
|
|
(value && !regexec(store->value_pattern, value, 0, NULL, 0));
|
|
}
|
|
|
|
static int store_aux_event(enum config_event_t type, size_t begin, size_t end,
|
|
struct config_source *cs, void *data)
|
|
{
|
|
struct config_store_data *store = data;
|
|
|
|
ALLOC_GROW(store->parsed, store->parsed_nr + 1, store->parsed_alloc);
|
|
store->parsed[store->parsed_nr].begin = begin;
|
|
store->parsed[store->parsed_nr].end = end;
|
|
store->parsed[store->parsed_nr].type = type;
|
|
|
|
if (type == CONFIG_EVENT_SECTION) {
|
|
int (*cmpfn)(const char *, const char *, size_t);
|
|
|
|
if (cs->var.len < 2 || cs->var.buf[cs->var.len - 1] != '.')
|
|
return error(_("invalid section name '%s'"), cs->var.buf);
|
|
|
|
if (cs->subsection_case_sensitive)
|
|
cmpfn = strncasecmp;
|
|
else
|
|
cmpfn = strncmp;
|
|
|
|
/* Is this the section we were looking for? */
|
|
store->is_keys_section =
|
|
store->parsed[store->parsed_nr].is_keys_section =
|
|
cs->var.len - 1 == store->baselen &&
|
|
!cmpfn(cs->var.buf, store->key, store->baselen);
|
|
if (store->is_keys_section) {
|
|
store->section_seen = 1;
|
|
ALLOC_GROW(store->seen, store->seen_nr + 1,
|
|
store->seen_alloc);
|
|
store->seen[store->seen_nr] = store->parsed_nr;
|
|
}
|
|
}
|
|
|
|
store->parsed_nr++;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int store_aux(const char *key, const char *value,
|
|
const struct config_context *ctx UNUSED, void *cb)
|
|
{
|
|
struct config_store_data *store = cb;
|
|
|
|
if (store->key_seen) {
|
|
if (matches(key, value, store)) {
|
|
if (store->seen_nr == 1 && store->multi_replace == 0) {
|
|
warning(_("%s has multiple values"), key);
|
|
}
|
|
|
|
ALLOC_GROW(store->seen, store->seen_nr + 1,
|
|
store->seen_alloc);
|
|
|
|
store->seen[store->seen_nr] = store->parsed_nr;
|
|
store->seen_nr++;
|
|
}
|
|
} else if (store->is_keys_section) {
|
|
/*
|
|
* Do not increment matches yet: this may not be a match, but we
|
|
* are in the desired section.
|
|
*/
|
|
ALLOC_GROW(store->seen, store->seen_nr + 1, store->seen_alloc);
|
|
store->seen[store->seen_nr] = store->parsed_nr;
|
|
store->section_seen = 1;
|
|
|
|
if (matches(key, value, store)) {
|
|
store->seen_nr++;
|
|
store->key_seen = 1;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int write_error(const char *filename)
|
|
{
|
|
error(_("failed to write new configuration file %s"), filename);
|
|
|
|
/* Same error code as "failed to rename". */
|
|
return 4;
|
|
}
|
|
|
|
static struct strbuf store_create_section(const char *key,
|
|
const struct config_store_data *store)
|
|
{
|
|
const char *dot;
|
|
size_t i;
|
|
struct strbuf sb = STRBUF_INIT;
|
|
|
|
dot = memchr(key, '.', store->baselen);
|
|
if (dot) {
|
|
strbuf_addf(&sb, "[%.*s \"", (int)(dot - key), key);
|
|
for (i = dot - key + 1; i < store->baselen; i++) {
|
|
if (key[i] == '"' || key[i] == '\\')
|
|
strbuf_addch(&sb, '\\');
|
|
strbuf_addch(&sb, key[i]);
|
|
}
|
|
strbuf_addstr(&sb, "\"]\n");
|
|
} else {
|
|
strbuf_addch(&sb, '[');
|
|
strbuf_add(&sb, key, store->baselen);
|
|
strbuf_addstr(&sb, "]\n");
|
|
}
|
|
|
|
return sb;
|
|
}
|
|
|
|
static ssize_t write_section(int fd, const char *key,
|
|
const struct config_store_data *store)
|
|
{
|
|
struct strbuf sb = store_create_section(key, store);
|
|
ssize_t ret;
|
|
|
|
ret = write_in_full(fd, sb.buf, sb.len);
|
|
strbuf_release(&sb);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static ssize_t write_pair(int fd, const char *key, const char *value,
|
|
const struct config_store_data *store)
|
|
{
|
|
int i;
|
|
ssize_t ret;
|
|
const char *quote = "";
|
|
struct strbuf sb = STRBUF_INIT;
|
|
|
|
/*
|
|
* Check to see if the value needs to be surrounded with a dq pair.
|
|
* Note that problematic characters are always backslash-quoted; this
|
|
* check is about not losing leading or trailing SP and strings that
|
|
* follow beginning-of-comment characters (i.e. ';' and '#') by the
|
|
* configuration parser.
|
|
*/
|
|
if (value[0] == ' ')
|
|
quote = "\"";
|
|
for (i = 0; value[i]; i++)
|
|
if (value[i] == ';' || value[i] == '#')
|
|
quote = "\"";
|
|
if (i && value[i - 1] == ' ')
|
|
quote = "\"";
|
|
|
|
strbuf_addf(&sb, "\t%s = %s", key + store->baselen + 1, quote);
|
|
|
|
for (i = 0; value[i]; i++)
|
|
switch (value[i]) {
|
|
case '\n':
|
|
strbuf_addstr(&sb, "\\n");
|
|
break;
|
|
case '\t':
|
|
strbuf_addstr(&sb, "\\t");
|
|
break;
|
|
case '"':
|
|
case '\\':
|
|
strbuf_addch(&sb, '\\');
|
|
/* fallthrough */
|
|
default:
|
|
strbuf_addch(&sb, value[i]);
|
|
break;
|
|
}
|
|
strbuf_addf(&sb, "%s\n", quote);
|
|
|
|
ret = write_in_full(fd, sb.buf, sb.len);
|
|
strbuf_release(&sb);
|
|
|
|
return ret;
|
|
}
|
|
|
|
/*
|
|
* If we are about to unset the last key(s) in a section, and if there are
|
|
* no comments surrounding (or included in) the section, we will want to
|
|
* extend begin/end to remove the entire section.
|
|
*
|
|
* Note: the parameter `seen_ptr` points to the index into the store.seen
|
|
* array. * This index may be incremented if a section has more than one
|
|
* entry (which all are to be removed).
|
|
*/
|
|
static void maybe_remove_section(struct config_store_data *store,
|
|
size_t *begin_offset, size_t *end_offset,
|
|
int *seen_ptr)
|
|
{
|
|
size_t begin;
|
|
int i, seen, section_seen = 0;
|
|
|
|
/*
|
|
* First, ensure that this is the first key, and that there are no
|
|
* comments before the entry nor before the section header.
|
|
*/
|
|
seen = *seen_ptr;
|
|
for (i = store->seen[seen]; i > 0; i--) {
|
|
enum config_event_t type = store->parsed[i - 1].type;
|
|
|
|
if (type == CONFIG_EVENT_COMMENT)
|
|
/* There is a comment before this entry or section */
|
|
return;
|
|
if (type == CONFIG_EVENT_ENTRY) {
|
|
if (!section_seen)
|
|
/* This is not the section's first entry. */
|
|
return;
|
|
/* We encountered no comment before the section. */
|
|
break;
|
|
}
|
|
if (type == CONFIG_EVENT_SECTION) {
|
|
if (!store->parsed[i - 1].is_keys_section)
|
|
break;
|
|
section_seen = 1;
|
|
}
|
|
}
|
|
begin = store->parsed[i].begin;
|
|
|
|
/*
|
|
* Next, make sure that we are removing the last key(s) in the section,
|
|
* and that there are no comments that are possibly about the current
|
|
* section.
|
|
*/
|
|
for (i = store->seen[seen] + 1; i < store->parsed_nr; i++) {
|
|
enum config_event_t type = store->parsed[i].type;
|
|
|
|
if (type == CONFIG_EVENT_COMMENT)
|
|
return;
|
|
if (type == CONFIG_EVENT_SECTION) {
|
|
if (store->parsed[i].is_keys_section)
|
|
continue;
|
|
break;
|
|
}
|
|
if (type == CONFIG_EVENT_ENTRY) {
|
|
if (++seen < store->seen_nr &&
|
|
i == store->seen[seen])
|
|
/* We want to remove this entry, too */
|
|
continue;
|
|
/* There is another entry in this section. */
|
|
return;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* We are really removing the last entry/entries from this section, and
|
|
* there are no enclosed or surrounding comments. Remove the entire,
|
|
* now-empty section.
|
|
*/
|
|
*seen_ptr = seen;
|
|
*begin_offset = begin;
|
|
if (i < store->parsed_nr)
|
|
*end_offset = store->parsed[i].begin;
|
|
else
|
|
*end_offset = store->parsed[store->parsed_nr - 1].end;
|
|
}
|
|
|
|
int git_config_set_in_file_gently(const char *config_filename,
|
|
const char *key, const char *value)
|
|
{
|
|
return git_config_set_multivar_in_file_gently(config_filename, key, value, NULL, 0);
|
|
}
|
|
|
|
void git_config_set_in_file(const char *config_filename,
|
|
const char *key, const char *value)
|
|
{
|
|
git_config_set_multivar_in_file(config_filename, key, value, NULL, 0);
|
|
}
|
|
|
|
int git_config_set_gently(const char *key, const char *value)
|
|
{
|
|
return git_config_set_multivar_gently(key, value, NULL, 0);
|
|
}
|
|
|
|
int repo_config_set_worktree_gently(struct repository *r,
|
|
const char *key, const char *value)
|
|
{
|
|
/* Only use worktree-specific config if it is already enabled. */
|
|
if (r->repository_format_worktree_config) {
|
|
char *file = repo_git_path(r, "config.worktree");
|
|
int ret = git_config_set_multivar_in_file_gently(
|
|
file, key, value, NULL, 0);
|
|
free(file);
|
|
return ret;
|
|
}
|
|
return repo_config_set_multivar_gently(r, key, value, NULL, 0);
|
|
}
|
|
|
|
void git_config_set(const char *key, const char *value)
|
|
{
|
|
git_config_set_multivar(key, value, NULL, 0);
|
|
|
|
trace2_cmd_set_config(key, value);
|
|
}
|
|
|
|
/*
|
|
* If value==NULL, unset in (remove from) config,
|
|
* if value_pattern!=NULL, disregard key/value pairs where value does not match.
|
|
* if value_pattern==CONFIG_REGEX_NONE, do not match any existing values
|
|
* (only add a new one)
|
|
* if flags contains the CONFIG_FLAGS_MULTI_REPLACE flag, all matching
|
|
* key/values are removed before a single new pair is written. If the
|
|
* flag is not present, then replace only the first match.
|
|
*
|
|
* Returns 0 on success.
|
|
*
|
|
* This function does this:
|
|
*
|
|
* - it locks the config file by creating ".git/config.lock"
|
|
*
|
|
* - it then parses the config using store_aux() as validator to find
|
|
* the position on the key/value pair to replace. If it is to be unset,
|
|
* it must be found exactly once.
|
|
*
|
|
* - the config file is mmap()ed and the part before the match (if any) is
|
|
* written to the lock file, then the changed part and the rest.
|
|
*
|
|
* - the config file is removed and the lock file rename()d to it.
|
|
*
|
|
*/
|
|
int git_config_set_multivar_in_file_gently(const char *config_filename,
|
|
const char *key, const char *value,
|
|
const char *value_pattern,
|
|
unsigned flags)
|
|
{
|
|
int fd = -1, in_fd = -1;
|
|
int ret;
|
|
struct lock_file lock = LOCK_INIT;
|
|
char *filename_buf = NULL;
|
|
char *contents = NULL;
|
|
size_t contents_sz;
|
|
struct config_store_data store = CONFIG_STORE_INIT;
|
|
|
|
/* parse-key returns negative; flip the sign to feed exit(3) */
|
|
ret = 0 - git_config_parse_key(key, &store.key, &store.baselen);
|
|
if (ret)
|
|
goto out_free;
|
|
|
|
store.multi_replace = (flags & CONFIG_FLAGS_MULTI_REPLACE) != 0;
|
|
|
|
if (!config_filename)
|
|
config_filename = filename_buf = git_pathdup("config");
|
|
|
|
/*
|
|
* The lock serves a purpose in addition to locking: the new
|
|
* contents of .git/config will be written into it.
|
|
*/
|
|
fd = hold_lock_file_for_update(&lock, config_filename, 0);
|
|
if (fd < 0) {
|
|
error_errno(_("could not lock config file %s"), config_filename);
|
|
ret = CONFIG_NO_LOCK;
|
|
goto out_free;
|
|
}
|
|
|
|
/*
|
|
* If .git/config does not exist yet, write a minimal version.
|
|
*/
|
|
in_fd = open(config_filename, O_RDONLY);
|
|
if ( in_fd < 0 ) {
|
|
if ( ENOENT != errno ) {
|
|
error_errno(_("opening %s"), config_filename);
|
|
ret = CONFIG_INVALID_FILE; /* same as "invalid config file" */
|
|
goto out_free;
|
|
}
|
|
/* if nothing to unset, error out */
|
|
if (!value) {
|
|
ret = CONFIG_NOTHING_SET;
|
|
goto out_free;
|
|
}
|
|
|
|
free(store.key);
|
|
store.key = xstrdup(key);
|
|
if (write_section(fd, key, &store) < 0 ||
|
|
write_pair(fd, key, value, &store) < 0)
|
|
goto write_err_out;
|
|
} else {
|
|
struct stat st;
|
|
size_t copy_begin, copy_end;
|
|
int i, new_line = 0;
|
|
struct config_options opts;
|
|
|
|
if (!value_pattern)
|
|
store.value_pattern = NULL;
|
|
else if (value_pattern == CONFIG_REGEX_NONE)
|
|
store.value_pattern = CONFIG_REGEX_NONE;
|
|
else if (flags & CONFIG_FLAGS_FIXED_VALUE)
|
|
store.fixed_value = value_pattern;
|
|
else {
|
|
if (value_pattern[0] == '!') {
|
|
store.do_not_match = 1;
|
|
value_pattern++;
|
|
} else
|
|
store.do_not_match = 0;
|
|
|
|
store.value_pattern = (regex_t*)xmalloc(sizeof(regex_t));
|
|
if (regcomp(store.value_pattern, value_pattern,
|
|
REG_EXTENDED)) {
|
|
error(_("invalid pattern: %s"), value_pattern);
|
|
FREE_AND_NULL(store.value_pattern);
|
|
ret = CONFIG_INVALID_PATTERN;
|
|
goto out_free;
|
|
}
|
|
}
|
|
|
|
ALLOC_GROW(store.parsed, 1, store.parsed_alloc);
|
|
store.parsed[0].end = 0;
|
|
|
|
memset(&opts, 0, sizeof(opts));
|
|
opts.event_fn = store_aux_event;
|
|
opts.event_fn_data = &store;
|
|
|
|
/*
|
|
* After this, store.parsed will contain offsets of all the
|
|
* parsed elements, and store.seen will contain a list of
|
|
* matches, as indices into store.parsed.
|
|
*
|
|
* As a side effect, we make sure to transform only a valid
|
|
* existing config file.
|
|
*/
|
|
if (git_config_from_file_with_options(store_aux,
|
|
config_filename,
|
|
&store, CONFIG_SCOPE_UNKNOWN,
|
|
&opts)) {
|
|
error(_("invalid config file %s"), config_filename);
|
|
ret = CONFIG_INVALID_FILE;
|
|
goto out_free;
|
|
}
|
|
|
|
/* if nothing to unset, or too many matches, error out */
|
|
if ((store.seen_nr == 0 && value == NULL) ||
|
|
(store.seen_nr > 1 && !store.multi_replace)) {
|
|
ret = CONFIG_NOTHING_SET;
|
|
goto out_free;
|
|
}
|
|
|
|
if (fstat(in_fd, &st) == -1) {
|
|
error_errno(_("fstat on %s failed"), config_filename);
|
|
ret = CONFIG_INVALID_FILE;
|
|
goto out_free;
|
|
}
|
|
|
|
contents_sz = xsize_t(st.st_size);
|
|
contents = xmmap_gently(NULL, contents_sz, PROT_READ,
|
|
MAP_PRIVATE, in_fd, 0);
|
|
if (contents == MAP_FAILED) {
|
|
if (errno == ENODEV && S_ISDIR(st.st_mode))
|
|
errno = EISDIR;
|
|
error_errno(_("unable to mmap '%s'%s"),
|
|
config_filename, mmap_os_err());
|
|
ret = CONFIG_INVALID_FILE;
|
|
contents = NULL;
|
|
goto out_free;
|
|
}
|
|
close(in_fd);
|
|
in_fd = -1;
|
|
|
|
if (chmod(get_lock_file_path(&lock), st.st_mode & 07777) < 0) {
|
|
error_errno(_("chmod on %s failed"), get_lock_file_path(&lock));
|
|
ret = CONFIG_NO_WRITE;
|
|
goto out_free;
|
|
}
|
|
|
|
if (store.seen_nr == 0) {
|
|
if (!store.seen_alloc) {
|
|
/* Did not see key nor section */
|
|
ALLOC_GROW(store.seen, 1, store.seen_alloc);
|
|
store.seen[0] = store.parsed_nr
|
|
- !!store.parsed_nr;
|
|
}
|
|
store.seen_nr = 1;
|
|
}
|
|
|
|
for (i = 0, copy_begin = 0; i < store.seen_nr; i++) {
|
|
size_t replace_end;
|
|
int j = store.seen[i];
|
|
|
|
new_line = 0;
|
|
if (!store.key_seen) {
|
|
copy_end = store.parsed[j].end;
|
|
/* include '\n' when copying section header */
|
|
if (copy_end > 0 && copy_end < contents_sz &&
|
|
contents[copy_end - 1] != '\n' &&
|
|
contents[copy_end] == '\n')
|
|
copy_end++;
|
|
replace_end = copy_end;
|
|
} else {
|
|
replace_end = store.parsed[j].end;
|
|
copy_end = store.parsed[j].begin;
|
|
if (!value)
|
|
maybe_remove_section(&store,
|
|
©_end,
|
|
&replace_end, &i);
|
|
/*
|
|
* Swallow preceding white-space on the same
|
|
* line.
|
|
*/
|
|
while (copy_end > 0 ) {
|
|
char c = contents[copy_end - 1];
|
|
|
|
if (isspace(c) && c != '\n')
|
|
copy_end--;
|
|
else
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (copy_end > 0 && contents[copy_end-1] != '\n')
|
|
new_line = 1;
|
|
|
|
/* write the first part of the config */
|
|
if (copy_end > copy_begin) {
|
|
if (write_in_full(fd, contents + copy_begin,
|
|
copy_end - copy_begin) < 0)
|
|
goto write_err_out;
|
|
if (new_line &&
|
|
write_str_in_full(fd, "\n") < 0)
|
|
goto write_err_out;
|
|
}
|
|
copy_begin = replace_end;
|
|
}
|
|
|
|
/* write the pair (value == NULL means unset) */
|
|
if (value) {
|
|
if (!store.section_seen) {
|
|
if (write_section(fd, key, &store) < 0)
|
|
goto write_err_out;
|
|
}
|
|
if (write_pair(fd, key, value, &store) < 0)
|
|
goto write_err_out;
|
|
}
|
|
|
|
/* write the rest of the config */
|
|
if (copy_begin < contents_sz)
|
|
if (write_in_full(fd, contents + copy_begin,
|
|
contents_sz - copy_begin) < 0)
|
|
goto write_err_out;
|
|
|
|
munmap(contents, contents_sz);
|
|
contents = NULL;
|
|
}
|
|
|
|
if (commit_lock_file(&lock) < 0) {
|
|
error_errno(_("could not write config file %s"), config_filename);
|
|
ret = CONFIG_NO_WRITE;
|
|
goto out_free;
|
|
}
|
|
|
|
ret = 0;
|
|
|
|
/* Invalidate the config cache */
|
|
git_config_clear();
|
|
|
|
out_free:
|
|
rollback_lock_file(&lock);
|
|
free(filename_buf);
|
|
if (contents)
|
|
munmap(contents, contents_sz);
|
|
if (in_fd >= 0)
|
|
close(in_fd);
|
|
config_store_data_clear(&store);
|
|
return ret;
|
|
|
|
write_err_out:
|
|
ret = write_error(get_lock_file_path(&lock));
|
|
goto out_free;
|
|
}
|
|
|
|
void git_config_set_multivar_in_file(const char *config_filename,
|
|
const char *key, const char *value,
|
|
const char *value_pattern, unsigned flags)
|
|
{
|
|
if (!git_config_set_multivar_in_file_gently(config_filename, key, value,
|
|
value_pattern, flags))
|
|
return;
|
|
if (value)
|
|
die(_("could not set '%s' to '%s'"), key, value);
|
|
else
|
|
die(_("could not unset '%s'"), key);
|
|
}
|
|
|
|
int git_config_set_multivar_gently(const char *key, const char *value,
|
|
const char *value_pattern, unsigned flags)
|
|
{
|
|
return repo_config_set_multivar_gently(the_repository, key, value,
|
|
value_pattern, flags);
|
|
}
|
|
|
|
int repo_config_set_multivar_gently(struct repository *r, const char *key,
|
|
const char *value,
|
|
const char *value_pattern, unsigned flags)
|
|
{
|
|
char *file = repo_git_path(r, "config");
|
|
int res = git_config_set_multivar_in_file_gently(file,
|
|
key, value,
|
|
value_pattern,
|
|
flags);
|
|
free(file);
|
|
return res;
|
|
}
|
|
|
|
void git_config_set_multivar(const char *key, const char *value,
|
|
const char *value_pattern, unsigned flags)
|
|
{
|
|
git_config_set_multivar_in_file(git_path("config"),
|
|
key, value, value_pattern,
|
|
flags);
|
|
}
|
|
|
|
static size_t section_name_match (const char *buf, const char *name)
|
|
{
|
|
size_t i = 0, j = 0;
|
|
int dot = 0;
|
|
if (buf[i] != '[')
|
|
return 0;
|
|
for (i = 1; buf[i] && buf[i] != ']'; i++) {
|
|
if (!dot && isspace(buf[i])) {
|
|
dot = 1;
|
|
if (name[j++] != '.')
|
|
break;
|
|
for (i++; isspace(buf[i]); i++)
|
|
; /* do nothing */
|
|
if (buf[i] != '"')
|
|
break;
|
|
continue;
|
|
}
|
|
if (buf[i] == '\\' && dot)
|
|
i++;
|
|
else if (buf[i] == '"' && dot) {
|
|
for (i++; isspace(buf[i]); i++)
|
|
; /* do_nothing */
|
|
break;
|
|
}
|
|
if (buf[i] != name[j++])
|
|
break;
|
|
}
|
|
if (buf[i] == ']' && name[j] == 0) {
|
|
/*
|
|
* We match, now just find the right length offset by
|
|
* gobbling up any whitespace after it, as well
|
|
*/
|
|
i++;
|
|
for (; buf[i] && isspace(buf[i]); i++)
|
|
; /* do nothing */
|
|
return i;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int section_name_is_ok(const char *name)
|
|
{
|
|
/* Empty section names are bogus. */
|
|
if (!*name)
|
|
return 0;
|
|
|
|
/*
|
|
* Before a dot, we must be alphanumeric or dash. After the first dot,
|
|
* anything goes, so we can stop checking.
|
|
*/
|
|
for (; *name && *name != '.'; name++)
|
|
if (*name != '-' && !isalnum(*name))
|
|
return 0;
|
|
return 1;
|
|
}
|
|
|
|
#define GIT_CONFIG_MAX_LINE_LEN (512 * 1024)
|
|
|
|
/* if new_name == NULL, the section is removed instead */
|
|
static int git_config_copy_or_rename_section_in_file(const char *config_filename,
|
|
const char *old_name,
|
|
const char *new_name, int copy)
|
|
{
|
|
int ret = 0, remove = 0;
|
|
char *filename_buf = NULL;
|
|
struct lock_file lock = LOCK_INIT;
|
|
int out_fd;
|
|
struct strbuf buf = STRBUF_INIT;
|
|
FILE *config_file = NULL;
|
|
struct stat st;
|
|
struct strbuf copystr = STRBUF_INIT;
|
|
struct config_store_data store;
|
|
uint32_t line_nr = 0;
|
|
|
|
memset(&store, 0, sizeof(store));
|
|
|
|
if (new_name && !section_name_is_ok(new_name)) {
|
|
ret = error(_("invalid section name: %s"), new_name);
|
|
goto out_no_rollback;
|
|
}
|
|
|
|
if (!config_filename)
|
|
config_filename = filename_buf = git_pathdup("config");
|
|
|
|
out_fd = hold_lock_file_for_update(&lock, config_filename, 0);
|
|
if (out_fd < 0) {
|
|
ret = error(_("could not lock config file %s"), config_filename);
|
|
goto out;
|
|
}
|
|
|
|
if (!(config_file = fopen(config_filename, "rb"))) {
|
|
ret = warn_on_fopen_errors(config_filename);
|
|
if (ret)
|
|
goto out;
|
|
/* no config file means nothing to rename, no error */
|
|
goto commit_and_out;
|
|
}
|
|
|
|
if (fstat(fileno(config_file), &st) == -1) {
|
|
ret = error_errno(_("fstat on %s failed"), config_filename);
|
|
goto out;
|
|
}
|
|
|
|
if (chmod(get_lock_file_path(&lock), st.st_mode & 07777) < 0) {
|
|
ret = error_errno(_("chmod on %s failed"),
|
|
get_lock_file_path(&lock));
|
|
goto out;
|
|
}
|
|
|
|
while (!strbuf_getwholeline(&buf, config_file, '\n')) {
|
|
size_t i, length;
|
|
int is_section = 0;
|
|
char *output = buf.buf;
|
|
|
|
line_nr++;
|
|
|
|
if (buf.len >= GIT_CONFIG_MAX_LINE_LEN) {
|
|
ret = error(_("refusing to work with overly long line "
|
|
"in '%s' on line %"PRIuMAX),
|
|
config_filename, (uintmax_t)line_nr);
|
|
goto out;
|
|
}
|
|
|
|
for (i = 0; buf.buf[i] && isspace(buf.buf[i]); i++)
|
|
; /* do nothing */
|
|
if (buf.buf[i] == '[') {
|
|
/* it's a section */
|
|
size_t offset;
|
|
is_section = 1;
|
|
|
|
/*
|
|
* When encountering a new section under -c we
|
|
* need to flush out any section we're already
|
|
* coping and begin anew. There might be
|
|
* multiple [branch "$name"] sections.
|
|
*/
|
|
if (copystr.len > 0) {
|
|
if (write_in_full(out_fd, copystr.buf, copystr.len) < 0) {
|
|
ret = write_error(get_lock_file_path(&lock));
|
|
goto out;
|
|
}
|
|
strbuf_reset(©str);
|
|
}
|
|
|
|
offset = section_name_match(&buf.buf[i], old_name);
|
|
if (offset > 0) {
|
|
ret++;
|
|
if (!new_name) {
|
|
remove = 1;
|
|
continue;
|
|
}
|
|
store.baselen = strlen(new_name);
|
|
if (!copy) {
|
|
if (write_section(out_fd, new_name, &store) < 0) {
|
|
ret = write_error(get_lock_file_path(&lock));
|
|
goto out;
|
|
}
|
|
/*
|
|
* We wrote out the new section, with
|
|
* a newline, now skip the old
|
|
* section's length
|
|
*/
|
|
output += offset + i;
|
|
if (strlen(output) > 0) {
|
|
/*
|
|
* More content means there's
|
|
* a declaration to put on the
|
|
* next line; indent with a
|
|
* tab
|
|
*/
|
|
output -= 1;
|
|
output[0] = '\t';
|
|
}
|
|
} else {
|
|
strbuf_release(©str);
|
|
copystr = store_create_section(new_name, &store);
|
|
}
|
|
}
|
|
remove = 0;
|
|
}
|
|
if (remove)
|
|
continue;
|
|
length = strlen(output);
|
|
|
|
if (!is_section && copystr.len > 0) {
|
|
strbuf_add(©str, output, length);
|
|
}
|
|
|
|
if (write_in_full(out_fd, output, length) < 0) {
|
|
ret = write_error(get_lock_file_path(&lock));
|
|
goto out;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Copy a trailing section at the end of the config, won't be
|
|
* flushed by the usual "flush because we have a new section
|
|
* logic in the loop above.
|
|
*/
|
|
if (copystr.len > 0) {
|
|
if (write_in_full(out_fd, copystr.buf, copystr.len) < 0) {
|
|
ret = write_error(get_lock_file_path(&lock));
|
|
goto out;
|
|
}
|
|
strbuf_reset(©str);
|
|
}
|
|
|
|
fclose(config_file);
|
|
config_file = NULL;
|
|
commit_and_out:
|
|
if (commit_lock_file(&lock) < 0)
|
|
ret = error_errno(_("could not write config file %s"),
|
|
config_filename);
|
|
out:
|
|
if (config_file)
|
|
fclose(config_file);
|
|
rollback_lock_file(&lock);
|
|
out_no_rollback:
|
|
free(filename_buf);
|
|
config_store_data_clear(&store);
|
|
strbuf_release(&buf);
|
|
strbuf_release(©str);
|
|
return ret;
|
|
}
|
|
|
|
int git_config_rename_section_in_file(const char *config_filename,
|
|
const char *old_name, const char *new_name)
|
|
{
|
|
return git_config_copy_or_rename_section_in_file(config_filename,
|
|
old_name, new_name, 0);
|
|
}
|
|
|
|
int git_config_rename_section(const char *old_name, const char *new_name)
|
|
{
|
|
return git_config_rename_section_in_file(NULL, old_name, new_name);
|
|
}
|
|
|
|
int git_config_copy_section_in_file(const char *config_filename,
|
|
const char *old_name, const char *new_name)
|
|
{
|
|
return git_config_copy_or_rename_section_in_file(config_filename,
|
|
old_name, new_name, 1);
|
|
}
|
|
|
|
int git_config_copy_section(const char *old_name, const char *new_name)
|
|
{
|
|
return git_config_copy_section_in_file(NULL, old_name, new_name);
|
|
}
|
|
|
|
/*
|
|
* Call this to report error for your variable that should not
|
|
* get a boolean value (i.e. "[my] var" means "true").
|
|
*/
|
|
#undef config_error_nonbool
|
|
int config_error_nonbool(const char *var)
|
|
{
|
|
return error(_("missing value for '%s'"), var);
|
|
}
|
|
|
|
int parse_config_key(const char *var,
|
|
const char *section,
|
|
const char **subsection, size_t *subsection_len,
|
|
const char **key)
|
|
{
|
|
const char *dot;
|
|
|
|
/* Does it start with "section." ? */
|
|
if (!skip_prefix(var, section, &var) || *var != '.')
|
|
return -1;
|
|
|
|
/*
|
|
* Find the key; we don't know yet if we have a subsection, but we must
|
|
* parse backwards from the end, since the subsection may have dots in
|
|
* it, too.
|
|
*/
|
|
dot = strrchr(var, '.');
|
|
*key = dot + 1;
|
|
|
|
/* Did we have a subsection at all? */
|
|
if (dot == var) {
|
|
if (subsection) {
|
|
*subsection = NULL;
|
|
*subsection_len = 0;
|
|
}
|
|
}
|
|
else {
|
|
if (!subsection)
|
|
return -1;
|
|
*subsection = var + 1;
|
|
*subsection_len = dot - *subsection;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
const char *config_origin_type_name(enum config_origin_type type)
|
|
{
|
|
switch (type) {
|
|
case CONFIG_ORIGIN_BLOB:
|
|
return "blob";
|
|
case CONFIG_ORIGIN_FILE:
|
|
return "file";
|
|
case CONFIG_ORIGIN_STDIN:
|
|
return "standard input";
|
|
case CONFIG_ORIGIN_SUBMODULE_BLOB:
|
|
return "submodule-blob";
|
|
case CONFIG_ORIGIN_CMDLINE:
|
|
return "command line";
|
|
default:
|
|
BUG("unknown config origin type");
|
|
}
|
|
}
|
|
|
|
const char *config_scope_name(enum config_scope scope)
|
|
{
|
|
switch (scope) {
|
|
case CONFIG_SCOPE_SYSTEM:
|
|
return "system";
|
|
case CONFIG_SCOPE_GLOBAL:
|
|
return "global";
|
|
case CONFIG_SCOPE_LOCAL:
|
|
return "local";
|
|
case CONFIG_SCOPE_WORKTREE:
|
|
return "worktree";
|
|
case CONFIG_SCOPE_COMMAND:
|
|
return "command";
|
|
case CONFIG_SCOPE_SUBMODULE:
|
|
return "submodule";
|
|
default:
|
|
return "unknown";
|
|
}
|
|
}
|
|
|
|
int lookup_config(const char **mapping, int nr_mapping, const char *var)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < nr_mapping; i++) {
|
|
const char *name = mapping[i];
|
|
|
|
if (name && !strcasecmp(var, name))
|
|
return i;
|
|
}
|
|
return -1;
|
|
}
|