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https://github.com/git/git
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![Jean-Noel Avila](/assets/img/avatar_default.png)
Signed-off-by: Jean-Noel Avila <jn.avila@free.fr> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2575 lines
61 KiB
C
2575 lines
61 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 "cache.h"
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#include "lockfile.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 "utf8.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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int die_on_error;
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int linenr;
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int eof;
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struct strbuf value;
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struct strbuf var;
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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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/*
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* These variables record the "current" config source, which
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* can be accessed by parsing callbacks.
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*
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* The "cf" variable will be non-NULL only when we are actually parsing a real
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* config source (file, blob, cmdline, etc).
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*
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* The "current_config_kvi" variable will be non-NULL only when we are feeding
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* cached config from a configset into a callback.
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*
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* They should generally never be non-NULL at the same time. If they are both
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* NULL, then we aren't parsing anything (and depending on the function looking
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* at the variables, it's either a bug for it to be called in the first place,
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* or it's a function which can be reused for non-config purposes, and should
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* fall back to some sane behavior).
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*/
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static struct config_source *cf;
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static struct key_value_info *current_config_kvi;
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/*
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* Similar to the variables above, this gives access to the "scope" of the
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* current value (repo, global, etc). For cached values, it can be found via
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* the current_config_kvi as above. During parsing, the current value can be
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* found in this variable. It's not part of "cf" because it transcends a single
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* file (i.e., a file included from .git/config is still in "repo" scope).
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*/
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static enum config_scope current_parsing_scope;
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static int zlib_compression_seen;
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/*
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* Default config_set that contains key-value pairs from the usual set of config
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* config files (i.e repo specific .git/config, user wide ~/.gitconfig, XDG
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* config file and the global /etc/gitconfig)
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*/
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static struct config_set the_config_set;
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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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die("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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#define MAX_INCLUDE_DEPTH 10
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static const char include_depth_advice[] =
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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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"Do you have circular includes?";
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static int handle_path_include(const char *path, 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 = expand_user_path(path);
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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 (!cf || !cf->path)
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return error("relative config includes must come from files");
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slash = find_last_dir_sep(cf->path);
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if (slash)
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strbuf_add(&buf, cf->path, slash - cf->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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!cf ? "<unknown>" :
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cf->name ? cf->name :
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"the command line");
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ret = git_config_from_file(git_config_include, path, inc);
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inc->depth--;
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}
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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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int git_config_include(const char *var, const char *value, void *data)
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{
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struct config_include_data *inc = data;
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int ret;
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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, inc->data);
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if (ret < 0)
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return ret;
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if (!strcmp(var, "include.path"))
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ret = handle_path_include(value, inc);
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return ret;
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}
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void git_config_push_parameter(const char *text)
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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, text);
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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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int git_config_parse_parameter(const char *text,
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config_fn_t fn, void *data)
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{
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const char *value;
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struct strbuf **pair;
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pair = strbuf_split_str(text, '=', 2);
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if (!pair[0])
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return error("bogus config parameter: %s", text);
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if (pair[0]->len && pair[0]->buf[pair[0]->len - 1] == '=') {
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strbuf_setlen(pair[0], pair[0]->len - 1);
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value = pair[1] ? pair[1]->buf : "";
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} else {
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value = NULL;
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}
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strbuf_trim(pair[0]);
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if (!pair[0]->len) {
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strbuf_list_free(pair);
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return error("bogus config parameter: %s", text);
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}
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strbuf_tolower(pair[0]);
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if (fn(pair[0]->buf, value, data) < 0) {
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strbuf_list_free(pair);
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return -1;
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}
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strbuf_list_free(pair);
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return 0;
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}
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int git_config_from_parameters(config_fn_t fn, void *data)
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{
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const char *env = getenv(CONFIG_DATA_ENVIRONMENT);
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int ret = 0;
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char *envw;
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const char **argv = NULL;
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int nr = 0, alloc = 0;
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int i;
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struct config_source source;
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if (!env)
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return 0;
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memset(&source, 0, sizeof(source));
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source.prev = cf;
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source.origin_type = CONFIG_ORIGIN_CMDLINE;
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cf = &source;
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/* sq_dequote will write over it */
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envw = xstrdup(env);
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if (sq_dequote_to_argv(envw, &argv, &nr, &alloc) < 0) {
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ret = error("bogus format in " CONFIG_DATA_ENVIRONMENT);
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goto out;
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}
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for (i = 0; i < nr; i++) {
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if (git_config_parse_parameter(argv[i], fn, data) < 0) {
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ret = -1;
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goto out;
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}
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}
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out:
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free(argv);
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free(envw);
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cf = source.prev;
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return ret;
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}
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static int get_next_char(void)
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{
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int c = cf->do_fgetc(cf);
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if (c == '\r') {
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/* DOS like systems */
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c = cf->do_fgetc(cf);
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if (c != '\n') {
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if (c != EOF)
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cf->do_ungetc(c, cf);
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c = '\r';
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}
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}
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if (c == '\n')
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cf->linenr++;
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if (c == EOF) {
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cf->eof = 1;
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cf->linenr++;
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c = '\n';
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}
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return c;
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}
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static char *parse_value(void)
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{
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int quote = 0, comment = 0, space = 0;
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strbuf_reset(&cf->value);
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for (;;) {
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int c = get_next_char();
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if (c == '\n') {
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if (quote) {
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cf->linenr--;
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return NULL;
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}
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return cf->value.buf;
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}
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if (comment)
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continue;
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if (isspace(c) && !quote) {
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if (cf->value.len)
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space++;
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continue;
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}
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if (!quote) {
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if (c == ';' || c == '#') {
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comment = 1;
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continue;
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}
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}
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for (; space; space--)
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strbuf_addch(&cf->value, ' ');
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if (c == '\\') {
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c = get_next_char();
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switch (c) {
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case '\n':
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continue;
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case 't':
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c = '\t';
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break;
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case 'b':
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c = '\b';
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break;
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case 'n':
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c = '\n';
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break;
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/* Some characters escape as themselves */
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case '\\': case '"':
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break;
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/* Reject unknown escape sequences */
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default:
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return NULL;
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}
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strbuf_addch(&cf->value, c);
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continue;
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}
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if (c == '"') {
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quote = 1-quote;
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continue;
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}
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strbuf_addch(&cf->value, c);
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}
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}
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static inline int iskeychar(int c)
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{
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return isalnum(c) || c == '-';
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}
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static int get_value(config_fn_t fn, void *data, struct strbuf *name)
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{
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int c;
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char *value;
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int ret;
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/* Get the full name */
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for (;;) {
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c = get_next_char();
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if (cf->eof)
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break;
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if (!iskeychar(c))
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break;
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strbuf_addch(name, tolower(c));
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}
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while (c == ' ' || c == '\t')
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c = get_next_char();
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value = NULL;
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if (c != '\n') {
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if (c != '=')
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return -1;
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value = parse_value();
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if (!value)
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return -1;
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}
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/*
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* We already consumed the \n, but we need linenr to point to
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* the line we just parsed during the call to fn to get
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* accurate line number in error messages.
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*/
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cf->linenr--;
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ret = fn(name->buf, value, data);
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cf->linenr++;
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return ret;
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}
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static int get_extended_base_var(struct strbuf *name, int c)
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{
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do {
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if (c == '\n')
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goto error_incomplete_line;
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c = get_next_char();
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} while (isspace(c));
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/* We require the format to be '[base "extension"]' */
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if (c != '"')
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return -1;
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strbuf_addch(name, '.');
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for (;;) {
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int c = get_next_char();
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if (c == '\n')
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goto error_incomplete_line;
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if (c == '"')
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break;
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if (c == '\\') {
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c = get_next_char();
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if (c == '\n')
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goto error_incomplete_line;
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}
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strbuf_addch(name, c);
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}
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/* Final ']' */
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if (get_next_char() != ']')
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return -1;
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return 0;
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error_incomplete_line:
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cf->linenr--;
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return -1;
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}
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static int get_base_var(struct strbuf *name)
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{
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for (;;) {
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int c = get_next_char();
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if (cf->eof)
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return -1;
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if (c == ']')
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return 0;
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if (isspace(c))
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return get_extended_base_var(name, c);
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if (!iskeychar(c) && c != '.')
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return -1;
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strbuf_addch(name, tolower(c));
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}
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}
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|
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static int git_parse_source(config_fn_t fn, void *data)
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{
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int comment = 0;
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int baselen = 0;
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struct strbuf *var = &cf->var;
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int error_return = 0;
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char *error_msg = NULL;
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|
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/* U+FEFF Byte Order Mark in UTF8 */
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const char *bomptr = utf8_bom;
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|
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for (;;) {
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int c = get_next_char();
|
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if (bomptr && *bomptr) {
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/* We are at the file beginning; skip UTF8-encoded BOM
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* if present. Sane editors won't put this in on their
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* own, but e.g. Windows Notepad will do it happily. */
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if (c == (*bomptr & 0377)) {
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bomptr++;
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continue;
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} else {
|
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/* Do not tolerate partial BOM. */
|
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if (bomptr != utf8_bom)
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break;
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/* No BOM at file beginning. Cool. */
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bomptr = NULL;
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}
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}
|
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if (c == '\n') {
|
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if (cf->eof)
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return 0;
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comment = 0;
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continue;
|
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}
|
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if (comment || isspace(c))
|
|
continue;
|
|
if (c == '#' || c == ';') {
|
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comment = 1;
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continue;
|
|
}
|
|
if (c == '[') {
|
|
/* Reset prior to determining a new stem */
|
|
strbuf_reset(var);
|
|
if (get_base_var(var) < 0 || var->len < 1)
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break;
|
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strbuf_addch(var, '.');
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baselen = var->len;
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continue;
|
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}
|
|
if (!isalpha(c))
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break;
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|
/*
|
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* 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);
|
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strbuf_addch(var, tolower(c));
|
|
if (get_value(fn, data, var) < 0)
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break;
|
|
}
|
|
|
|
switch (cf->origin_type) {
|
|
case CONFIG_ORIGIN_BLOB:
|
|
error_msg = xstrfmt(_("bad config line %d in blob %s"),
|
|
cf->linenr, cf->name);
|
|
break;
|
|
case CONFIG_ORIGIN_FILE:
|
|
error_msg = xstrfmt(_("bad config line %d in file %s"),
|
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cf->linenr, cf->name);
|
|
break;
|
|
case CONFIG_ORIGIN_STDIN:
|
|
error_msg = xstrfmt(_("bad config line %d in standard input"),
|
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cf->linenr);
|
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break;
|
|
case CONFIG_ORIGIN_SUBMODULE_BLOB:
|
|
error_msg = xstrfmt(_("bad config line %d in submodule-blob %s"),
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cf->linenr, cf->name);
|
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break;
|
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case CONFIG_ORIGIN_CMDLINE:
|
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error_msg = xstrfmt(_("bad config line %d in command line %s"),
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cf->linenr, cf->name);
|
|
break;
|
|
default:
|
|
error_msg = xstrfmt(_("bad config line %d in %s"),
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|
cf->linenr, cf->name);
|
|
}
|
|
|
|
if (cf->die_on_error)
|
|
die("%s", error_msg);
|
|
else
|
|
error_return = error("%s", error_msg);
|
|
|
|
free(error_msg);
|
|
return error_return;
|
|
}
|
|
|
|
static int parse_unit_factor(const char *end, uintmax_t *val)
|
|
{
|
|
if (!*end)
|
|
return 1;
|
|
else if (!strcasecmp(end, "k")) {
|
|
*val *= 1024;
|
|
return 1;
|
|
}
|
|
else if (!strcasecmp(end, "m")) {
|
|
*val *= 1024 * 1024;
|
|
return 1;
|
|
}
|
|
else if (!strcasecmp(end, "g")) {
|
|
*val *= 1024 * 1024 * 1024;
|
|
return 1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int git_parse_signed(const char *value, intmax_t *ret, intmax_t max)
|
|
{
|
|
if (value && *value) {
|
|
char *end;
|
|
intmax_t val;
|
|
uintmax_t uval;
|
|
uintmax_t factor = 1;
|
|
|
|
errno = 0;
|
|
val = strtoimax(value, &end, 0);
|
|
if (errno == ERANGE)
|
|
return 0;
|
|
if (!parse_unit_factor(end, &factor)) {
|
|
errno = EINVAL;
|
|
return 0;
|
|
}
|
|
uval = labs(val);
|
|
uval *= factor;
|
|
if (uval > max || labs(val) > uval) {
|
|
errno = ERANGE;
|
|
return 0;
|
|
}
|
|
val *= factor;
|
|
*ret = val;
|
|
return 1;
|
|
}
|
|
errno = EINVAL;
|
|
return 0;
|
|
}
|
|
|
|
static int git_parse_unsigned(const char *value, uintmax_t *ret, uintmax_t max)
|
|
{
|
|
if (value && *value) {
|
|
char *end;
|
|
uintmax_t val;
|
|
uintmax_t oldval;
|
|
|
|
errno = 0;
|
|
val = strtoumax(value, &end, 0);
|
|
if (errno == ERANGE)
|
|
return 0;
|
|
oldval = val;
|
|
if (!parse_unit_factor(end, &val)) {
|
|
errno = EINVAL;
|
|
return 0;
|
|
}
|
|
if (val > max || oldval > val) {
|
|
errno = ERANGE;
|
|
return 0;
|
|
}
|
|
*ret = val;
|
|
return 1;
|
|
}
|
|
errno = EINVAL;
|
|
return 0;
|
|
}
|
|
|
|
static int git_parse_int(const char *value, int *ret)
|
|
{
|
|
intmax_t tmp;
|
|
if (!git_parse_signed(value, &tmp, maximum_signed_value_of_type(int)))
|
|
return 0;
|
|
*ret = tmp;
|
|
return 1;
|
|
}
|
|
|
|
static int git_parse_int64(const char *value, int64_t *ret)
|
|
{
|
|
intmax_t tmp;
|
|
if (!git_parse_signed(value, &tmp, maximum_signed_value_of_type(int64_t)))
|
|
return 0;
|
|
*ret = tmp;
|
|
return 1;
|
|
}
|
|
|
|
int git_parse_ulong(const char *value, unsigned long *ret)
|
|
{
|
|
uintmax_t tmp;
|
|
if (!git_parse_unsigned(value, &tmp, maximum_unsigned_value_of_type(long)))
|
|
return 0;
|
|
*ret = tmp;
|
|
return 1;
|
|
}
|
|
|
|
NORETURN
|
|
static void die_bad_number(const char *name, const char *value)
|
|
{
|
|
const char * error_type = (errno == ERANGE)? _("out of range"):_("invalid unit");
|
|
|
|
if (!value)
|
|
value = "";
|
|
|
|
if (!(cf && cf->name))
|
|
die(_("bad numeric config value '%s' for '%s': %s"),
|
|
value, name, error_type);
|
|
|
|
switch (cf->origin_type) {
|
|
case CONFIG_ORIGIN_BLOB:
|
|
die(_("bad numeric config value '%s' for '%s' in blob %s: %s"),
|
|
value, name, cf->name, error_type);
|
|
case CONFIG_ORIGIN_FILE:
|
|
die(_("bad numeric config value '%s' for '%s' in file %s: %s"),
|
|
value, name, cf->name, 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, cf->name, error_type);
|
|
case CONFIG_ORIGIN_CMDLINE:
|
|
die(_("bad numeric config value '%s' for '%s' in command line %s: %s"),
|
|
value, name, cf->name, error_type);
|
|
default:
|
|
die(_("bad numeric config value '%s' for '%s' in %s: %s"),
|
|
value, name, cf->name, error_type);
|
|
}
|
|
}
|
|
|
|
int git_config_int(const char *name, const char *value)
|
|
{
|
|
int ret;
|
|
if (!git_parse_int(value, &ret))
|
|
die_bad_number(name, value);
|
|
return ret;
|
|
}
|
|
|
|
int64_t git_config_int64(const char *name, const char *value)
|
|
{
|
|
int64_t ret;
|
|
if (!git_parse_int64(value, &ret))
|
|
die_bad_number(name, value);
|
|
return ret;
|
|
}
|
|
|
|
unsigned long git_config_ulong(const char *name, const char *value)
|
|
{
|
|
unsigned long ret;
|
|
if (!git_parse_ulong(value, &ret))
|
|
die_bad_number(name, value);
|
|
return ret;
|
|
}
|
|
|
|
int git_parse_maybe_bool(const char *value)
|
|
{
|
|
if (!value)
|
|
return 1;
|
|
if (!*value)
|
|
return 0;
|
|
if (!strcasecmp(value, "true")
|
|
|| !strcasecmp(value, "yes")
|
|
|| !strcasecmp(value, "on"))
|
|
return 1;
|
|
if (!strcasecmp(value, "false")
|
|
|| !strcasecmp(value, "no")
|
|
|| !strcasecmp(value, "off"))
|
|
return 0;
|
|
return -1;
|
|
}
|
|
|
|
int git_config_maybe_bool(const char *name, const char *value)
|
|
{
|
|
int v = git_parse_maybe_bool(value);
|
|
if (0 <= v)
|
|
return v;
|
|
if (git_parse_int(value, &v))
|
|
return !!v;
|
|
return -1;
|
|
}
|
|
|
|
int git_config_bool_or_int(const char *name, const char *value, int *is_bool)
|
|
{
|
|
int v = git_parse_maybe_bool(value);
|
|
if (0 <= v) {
|
|
*is_bool = 1;
|
|
return v;
|
|
}
|
|
*is_bool = 0;
|
|
return git_config_int(name, value);
|
|
}
|
|
|
|
int git_config_bool(const char *name, const char *value)
|
|
{
|
|
int discard;
|
|
return !!git_config_bool_or_int(name, value, &discard);
|
|
}
|
|
|
|
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 = expand_user_path(value);
|
|
if (!*dest)
|
|
die(_("failed to expand user dir in: '%s'"), value);
|
|
return 0;
|
|
}
|
|
|
|
static int git_default_core_config(const char *var, const char *value)
|
|
{
|
|
/* 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 (!strcasecmp(value, "default"))
|
|
check_stat = 1;
|
|
else if (!strcasecmp(value, "minimal"))
|
|
check_stat = 0;
|
|
}
|
|
|
|
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")) {
|
|
log_all_ref_updates = git_config_bool(var, value);
|
|
return 0;
|
|
}
|
|
|
|
if (!strcmp(var, "core.warnambiguousrefs")) {
|
|
warn_ambiguous_refs = git_config_bool(var, value);
|
|
return 0;
|
|
}
|
|
|
|
if (!strcmp(var, "core.abbrev")) {
|
|
int abbrev = git_config_int(var, value);
|
|
if (abbrev < minimum_abbrev || abbrev > 40)
|
|
return -1;
|
|
default_abbrev = abbrev;
|
|
return 0;
|
|
}
|
|
|
|
if (!strcmp(var, "core.loosecompression")) {
|
|
int level = git_config_int(var, value);
|
|
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);
|
|
if (level == -1)
|
|
level = Z_DEFAULT_COMPRESSION;
|
|
else if (level < 0 || level > Z_BEST_COMPRESSION)
|
|
die(_("bad zlib compression level %d"), level);
|
|
core_compression_level = level;
|
|
core_compression_seen = 1;
|
|
if (!zlib_compression_seen)
|
|
zlib_compression_level = level;
|
|
return 0;
|
|
}
|
|
|
|
if (!strcmp(var, "core.packedgitwindowsize")) {
|
|
int pgsz_x2 = getpagesize() * 2;
|
|
packed_git_window_size = git_config_ulong(var, value);
|
|
|
|
/* 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);
|
|
return 0;
|
|
}
|
|
|
|
if (!strcmp(var, "core.packedgitlimit")) {
|
|
packed_git_limit = git_config_ulong(var, value);
|
|
return 0;
|
|
}
|
|
|
|
if (!strcmp(var, "core.deltabasecachelimit")) {
|
|
delta_base_cache_limit = git_config_ulong(var, value);
|
|
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")) {
|
|
if (value && !strcasecmp(value, "warn")) {
|
|
safe_crlf = SAFE_CRLF_WARN;
|
|
return 0;
|
|
}
|
|
safe_crlf = git_config_bool(var, value);
|
|
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.notesref")) {
|
|
notes_ref_name = xstrdup(value);
|
|
return 0;
|
|
}
|
|
|
|
if (!strcmp(var, "core.pager"))
|
|
return git_config_string(&pager_program, var, value);
|
|
|
|
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 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.fsyncobjectfiles")) {
|
|
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 (!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.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.hidedotfiles")) {
|
|
if (value && !strcasecmp(value, "dotgitonly"))
|
|
hide_dotfiles = HIDE_DOTFILES_DOTGITONLY;
|
|
else
|
|
hide_dotfiles = git_config_bool(var, value);
|
|
return 0;
|
|
}
|
|
|
|
/* Add other config variables here and to Documentation/config.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 && !strcasecmp(value, "always")) {
|
|
git_branch_track = BRANCH_TRACK_ALWAYS;
|
|
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;
|
|
}
|
|
|
|
int git_default_config(const char *var, const char *value, void *dummy)
|
|
{
|
|
if (starts_with(var, "core."))
|
|
return git_default_core_config(var, value);
|
|
|
|
if (starts_with(var, "user."))
|
|
return git_ident_config(var, value, dummy);
|
|
|
|
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, "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);
|
|
return 0;
|
|
}
|
|
/* 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)
|
|
{
|
|
int ret;
|
|
|
|
/* push config-file parsing state stack */
|
|
top->prev = cf;
|
|
top->linenr = 1;
|
|
top->eof = 0;
|
|
strbuf_init(&top->value, 1024);
|
|
strbuf_init(&top->var, 1024);
|
|
cf = top;
|
|
|
|
ret = git_parse_source(fn, data);
|
|
|
|
/* pop config-file parsing state stack */
|
|
strbuf_release(&top->value);
|
|
strbuf_release(&top->var);
|
|
cf = top->prev;
|
|
|
|
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)
|
|
{
|
|
struct config_source top;
|
|
|
|
top.u.file = f;
|
|
top.origin_type = origin_type;
|
|
top.name = name;
|
|
top.path = path;
|
|
top.die_on_error = 1;
|
|
top.do_fgetc = config_file_fgetc;
|
|
top.do_ungetc = config_file_ungetc;
|
|
top.do_ftell = config_file_ftell;
|
|
|
|
return do_config_from(&top, fn, data);
|
|
}
|
|
|
|
static int git_config_from_stdin(config_fn_t fn, void *data)
|
|
{
|
|
return do_config_from_file(fn, CONFIG_ORIGIN_STDIN, "", NULL, stdin, data);
|
|
}
|
|
|
|
int git_config_from_file(config_fn_t fn, const char *filename, void *data)
|
|
{
|
|
int ret = -1;
|
|
FILE *f;
|
|
|
|
f = fopen(filename, "r");
|
|
if (f) {
|
|
flockfile(f);
|
|
ret = do_config_from_file(fn, CONFIG_ORIGIN_FILE, filename, filename, f, data);
|
|
funlockfile(f);
|
|
fclose(f);
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
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)
|
|
{
|
|
struct config_source top;
|
|
|
|
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.die_on_error = 0;
|
|
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);
|
|
}
|
|
|
|
static int git_config_from_blob_sha1(config_fn_t fn,
|
|
const char *name,
|
|
const unsigned char *sha1,
|
|
void *data)
|
|
{
|
|
enum object_type type;
|
|
char *buf;
|
|
unsigned long size;
|
|
int ret;
|
|
|
|
buf = read_sha1_file(sha1, &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);
|
|
free(buf);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int git_config_from_blob_ref(config_fn_t fn,
|
|
const char *name,
|
|
void *data)
|
|
{
|
|
unsigned char sha1[20];
|
|
|
|
if (get_sha1(name, sha1) < 0)
|
|
return error("unable to resolve config blob '%s'", name);
|
|
return git_config_from_blob_sha1(fn, name, sha1, data);
|
|
}
|
|
|
|
const char *git_etc_gitconfig(void)
|
|
{
|
|
static const char *system_wide;
|
|
if (!system_wide)
|
|
system_wide = system_path(ETC_GITCONFIG);
|
|
return system_wide;
|
|
}
|
|
|
|
/*
|
|
* Parse environment variable 'k' as a boolean (in various
|
|
* possible spellings); if missing, use the default value 'def'.
|
|
*/
|
|
int git_env_bool(const char *k, int def)
|
|
{
|
|
const char *v = getenv(k);
|
|
return v ? git_config_bool(k, v) : def;
|
|
}
|
|
|
|
/*
|
|
* Parse environment variable 'k' as ulong with possibly a unit
|
|
* suffix; if missing, use the default value 'val'.
|
|
*/
|
|
unsigned long git_env_ulong(const char *k, unsigned long val)
|
|
{
|
|
const char *v = getenv(k);
|
|
if (v && !git_parse_ulong(v, &val))
|
|
die("failed to parse %s", k);
|
|
return val;
|
|
}
|
|
|
|
int git_config_system(void)
|
|
{
|
|
return !git_env_bool("GIT_CONFIG_NOSYSTEM", 0);
|
|
}
|
|
|
|
static int do_git_config_sequence(config_fn_t fn, void *data)
|
|
{
|
|
int ret = 0;
|
|
char *xdg_config = xdg_config_home("config");
|
|
char *user_config = expand_user_path("~/.gitconfig");
|
|
char *repo_config = git_pathdup("config");
|
|
|
|
current_parsing_scope = CONFIG_SCOPE_SYSTEM;
|
|
if (git_config_system() && !access_or_die(git_etc_gitconfig(), R_OK, 0))
|
|
ret += git_config_from_file(fn, git_etc_gitconfig(),
|
|
data);
|
|
|
|
current_parsing_scope = CONFIG_SCOPE_GLOBAL;
|
|
if (xdg_config && !access_or_die(xdg_config, R_OK, ACCESS_EACCES_OK))
|
|
ret += git_config_from_file(fn, xdg_config, data);
|
|
|
|
if (user_config && !access_or_die(user_config, R_OK, ACCESS_EACCES_OK))
|
|
ret += git_config_from_file(fn, user_config, data);
|
|
|
|
current_parsing_scope = CONFIG_SCOPE_REPO;
|
|
if (repo_config && !access_or_die(repo_config, R_OK, 0))
|
|
ret += git_config_from_file(fn, repo_config, data);
|
|
|
|
current_parsing_scope = CONFIG_SCOPE_CMDLINE;
|
|
if (git_config_from_parameters(fn, data) < 0)
|
|
die(_("unable to parse command-line config"));
|
|
|
|
current_parsing_scope = CONFIG_SCOPE_UNKNOWN;
|
|
free(xdg_config);
|
|
free(user_config);
|
|
free(repo_config);
|
|
return ret;
|
|
}
|
|
|
|
int git_config_with_options(config_fn_t fn, void *data,
|
|
struct git_config_source *config_source,
|
|
int respect_includes)
|
|
{
|
|
struct config_include_data inc = CONFIG_INCLUDE_INIT;
|
|
|
|
if (respect_includes) {
|
|
inc.fn = fn;
|
|
inc.data = data;
|
|
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)
|
|
return git_config_from_stdin(fn, data);
|
|
else if (config_source && config_source->file)
|
|
return git_config_from_file(fn, config_source->file, data);
|
|
else if (config_source && config_source->blob)
|
|
return git_config_from_blob_ref(fn, config_source->blob, data);
|
|
|
|
return do_git_config_sequence(fn, data);
|
|
}
|
|
|
|
static void git_config_raw(config_fn_t fn, void *data)
|
|
{
|
|
if (git_config_with_options(fn, data, NULL, 1) < 0)
|
|
/*
|
|
* git_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 configset_iter(struct config_set *cs, config_fn_t fn, void *data)
|
|
{
|
|
int i, value_index;
|
|
struct string_list *values;
|
|
struct config_set_element *entry;
|
|
struct configset_list *list = &cs->list;
|
|
|
|
for (i = 0; i < list->nr; i++) {
|
|
entry = list->items[i].e;
|
|
value_index = list->items[i].value_index;
|
|
values = &entry->value_list;
|
|
|
|
current_config_kvi = values->items[value_index].util;
|
|
|
|
if (fn(entry->key, values->items[value_index].string, data) < 0)
|
|
git_die_config_linenr(entry->key,
|
|
current_config_kvi->filename,
|
|
current_config_kvi->linenr);
|
|
|
|
current_config_kvi = NULL;
|
|
}
|
|
}
|
|
|
|
static void git_config_check_init(void);
|
|
|
|
void git_config(config_fn_t fn, void *data)
|
|
{
|
|
git_config_check_init();
|
|
configset_iter(&the_config_set, fn, data);
|
|
}
|
|
|
|
static struct config_set_element *configset_find_element(struct config_set *cs, const char *key)
|
|
{
|
|
struct config_set_element k;
|
|
struct config_set_element *found_entry;
|
|
char *normalized_key;
|
|
/*
|
|
* `key` may come from the user, so normalize it before using it
|
|
* for querying entries from the hashmap.
|
|
*/
|
|
if (git_config_parse_key(key, &normalized_key, NULL))
|
|
return NULL;
|
|
|
|
hashmap_entry_init(&k, strhash(normalized_key));
|
|
k.key = normalized_key;
|
|
found_entry = hashmap_get(&cs->config_hash, &k, NULL);
|
|
free(normalized_key);
|
|
return found_entry;
|
|
}
|
|
|
|
static int configset_add_value(struct config_set *cs, 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));
|
|
|
|
e = configset_find_element(cs, key);
|
|
/*
|
|
* 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, strhash(key));
|
|
e->key = xstrdup(key);
|
|
string_list_init(&e->value_list, 1);
|
|
hashmap_add(&cs->config_hash, e);
|
|
}
|
|
si = string_list_append_nodup(&e->value_list, xstrdup_or_null(value));
|
|
|
|
ALLOC_GROW(cs->list.items, cs->list.nr + 1, cs->list.alloc);
|
|
l_item = &cs->list.items[cs->list.nr++];
|
|
l_item->e = e;
|
|
l_item->value_index = e->value_list.nr - 1;
|
|
|
|
if (!cf)
|
|
die("BUG: configset_add_value has no source");
|
|
if (cf->name) {
|
|
kv_info->filename = strintern(cf->name);
|
|
kv_info->linenr = cf->linenr;
|
|
kv_info->origin_type = cf->origin_type;
|
|
} else {
|
|
/* for values read from `git_config_from_parameters()` */
|
|
kv_info->filename = NULL;
|
|
kv_info->linenr = -1;
|
|
kv_info->origin_type = CONFIG_ORIGIN_CMDLINE;
|
|
}
|
|
kv_info->scope = current_parsing_scope;
|
|
si->util = kv_info;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int config_set_element_cmp(const struct config_set_element *e1,
|
|
const struct config_set_element *e2, const void *unused)
|
|
{
|
|
return strcmp(e1->key, e2->key);
|
|
}
|
|
|
|
void git_configset_init(struct config_set *cs)
|
|
{
|
|
hashmap_init(&cs->config_hash, (hashmap_cmp_fn)config_set_element_cmp, 0);
|
|
cs->hash_initialized = 1;
|
|
cs->list.nr = 0;
|
|
cs->list.alloc = 0;
|
|
cs->list.items = NULL;
|
|
}
|
|
|
|
void git_configset_clear(struct config_set *cs)
|
|
{
|
|
struct config_set_element *entry;
|
|
struct hashmap_iter iter;
|
|
if (!cs->hash_initialized)
|
|
return;
|
|
|
|
hashmap_iter_init(&cs->config_hash, &iter);
|
|
while ((entry = hashmap_iter_next(&iter))) {
|
|
free(entry->key);
|
|
string_list_clear(&entry->value_list, 1);
|
|
}
|
|
hashmap_free(&cs->config_hash, 1);
|
|
cs->hash_initialized = 0;
|
|
free(cs->list.items);
|
|
cs->list.nr = 0;
|
|
cs->list.alloc = 0;
|
|
cs->list.items = NULL;
|
|
}
|
|
|
|
static int config_set_callback(const char *key, const char *value, void *cb)
|
|
{
|
|
struct config_set *cs = cb;
|
|
configset_add_value(cs, key, value);
|
|
return 0;
|
|
}
|
|
|
|
int git_configset_add_file(struct config_set *cs, const char *filename)
|
|
{
|
|
return git_config_from_file(config_set_callback, filename, cs);
|
|
}
|
|
|
|
int git_configset_get_value(struct config_set *cs, const char *key, const char **value)
|
|
{
|
|
const struct string_list *values = NULL;
|
|
/*
|
|
* 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.
|
|
*/
|
|
values = git_configset_get_value_multi(cs, key);
|
|
|
|
if (!values)
|
|
return 1;
|
|
assert(values->nr > 0);
|
|
*value = values->items[values->nr - 1].string;
|
|
return 0;
|
|
}
|
|
|
|
const struct string_list *git_configset_get_value_multi(struct config_set *cs, const char *key)
|
|
{
|
|
struct config_set_element *e = configset_find_element(cs, key);
|
|
return e ? &e->value_list : NULL;
|
|
}
|
|
|
|
int git_configset_get_string_const(struct config_set *cs, const char *key, const char **dest)
|
|
{
|
|
const char *value;
|
|
if (!git_configset_get_value(cs, key, &value))
|
|
return git_config_string(dest, key, value);
|
|
else
|
|
return 1;
|
|
}
|
|
|
|
int git_configset_get_string(struct config_set *cs, const char *key, char **dest)
|
|
{
|
|
return git_configset_get_string_const(cs, key, (const char **)dest);
|
|
}
|
|
|
|
int git_configset_get_int(struct config_set *cs, const char *key, int *dest)
|
|
{
|
|
const char *value;
|
|
if (!git_configset_get_value(cs, key, &value)) {
|
|
*dest = git_config_int(key, value);
|
|
return 0;
|
|
} else
|
|
return 1;
|
|
}
|
|
|
|
int git_configset_get_ulong(struct config_set *cs, const char *key, unsigned long *dest)
|
|
{
|
|
const char *value;
|
|
if (!git_configset_get_value(cs, key, &value)) {
|
|
*dest = git_config_ulong(key, value);
|
|
return 0;
|
|
} else
|
|
return 1;
|
|
}
|
|
|
|
int git_configset_get_bool(struct config_set *cs, const char *key, int *dest)
|
|
{
|
|
const char *value;
|
|
if (!git_configset_get_value(cs, key, &value)) {
|
|
*dest = git_config_bool(key, value);
|
|
return 0;
|
|
} else
|
|
return 1;
|
|
}
|
|
|
|
int git_configset_get_bool_or_int(struct config_set *cs, const char *key,
|
|
int *is_bool, int *dest)
|
|
{
|
|
const char *value;
|
|
if (!git_configset_get_value(cs, key, &value)) {
|
|
*dest = git_config_bool_or_int(key, value, is_bool);
|
|
return 0;
|
|
} else
|
|
return 1;
|
|
}
|
|
|
|
int git_configset_get_maybe_bool(struct config_set *cs, const char *key, int *dest)
|
|
{
|
|
const char *value;
|
|
if (!git_configset_get_value(cs, key, &value)) {
|
|
*dest = git_config_maybe_bool(key, value);
|
|
if (*dest == -1)
|
|
return -1;
|
|
return 0;
|
|
} else
|
|
return 1;
|
|
}
|
|
|
|
int git_configset_get_pathname(struct config_set *cs, const char *key, const char **dest)
|
|
{
|
|
const char *value;
|
|
if (!git_configset_get_value(cs, key, &value))
|
|
return git_config_pathname(dest, key, value);
|
|
else
|
|
return 1;
|
|
}
|
|
|
|
static void git_config_check_init(void)
|
|
{
|
|
if (the_config_set.hash_initialized)
|
|
return;
|
|
git_configset_init(&the_config_set);
|
|
git_config_raw(config_set_callback, &the_config_set);
|
|
}
|
|
|
|
void git_config_clear(void)
|
|
{
|
|
if (!the_config_set.hash_initialized)
|
|
return;
|
|
git_configset_clear(&the_config_set);
|
|
}
|
|
|
|
int git_config_get_value(const char *key, const char **value)
|
|
{
|
|
git_config_check_init();
|
|
return git_configset_get_value(&the_config_set, key, value);
|
|
}
|
|
|
|
const struct string_list *git_config_get_value_multi(const char *key)
|
|
{
|
|
git_config_check_init();
|
|
return git_configset_get_value_multi(&the_config_set, key);
|
|
}
|
|
|
|
int git_config_get_string_const(const char *key, const char **dest)
|
|
{
|
|
int ret;
|
|
git_config_check_init();
|
|
ret = git_configset_get_string_const(&the_config_set, key, dest);
|
|
if (ret < 0)
|
|
git_die_config(key, NULL);
|
|
return ret;
|
|
}
|
|
|
|
int git_config_get_string(const char *key, char **dest)
|
|
{
|
|
git_config_check_init();
|
|
return git_config_get_string_const(key, (const char **)dest);
|
|
}
|
|
|
|
int git_config_get_int(const char *key, int *dest)
|
|
{
|
|
git_config_check_init();
|
|
return git_configset_get_int(&the_config_set, key, dest);
|
|
}
|
|
|
|
int git_config_get_ulong(const char *key, unsigned long *dest)
|
|
{
|
|
git_config_check_init();
|
|
return git_configset_get_ulong(&the_config_set, key, dest);
|
|
}
|
|
|
|
int git_config_get_bool(const char *key, int *dest)
|
|
{
|
|
git_config_check_init();
|
|
return git_configset_get_bool(&the_config_set, key, dest);
|
|
}
|
|
|
|
int git_config_get_bool_or_int(const char *key, int *is_bool, int *dest)
|
|
{
|
|
git_config_check_init();
|
|
return git_configset_get_bool_or_int(&the_config_set, key, is_bool, dest);
|
|
}
|
|
|
|
int git_config_get_maybe_bool(const char *key, int *dest)
|
|
{
|
|
git_config_check_init();
|
|
return git_configset_get_maybe_bool(&the_config_set, key, dest);
|
|
}
|
|
|
|
int git_config_get_pathname(const char *key, const char **dest)
|
|
{
|
|
int ret;
|
|
git_config_check_init();
|
|
ret = git_configset_get_pathname(&the_config_set, key, dest);
|
|
if (ret < 0)
|
|
git_die_config(key, NULL);
|
|
return ret;
|
|
}
|
|
|
|
int git_config_get_untracked_cache(void)
|
|
{
|
|
int val = -1;
|
|
const char *v;
|
|
|
|
/* Hack for test programs like test-dump-untracked-cache */
|
|
if (ignore_untracked_cache_config)
|
|
return -1;
|
|
|
|
if (!git_config_get_maybe_bool("core.untrackedcache", &val))
|
|
return val;
|
|
|
|
if (!git_config_get_value("core.untrackedcache", &v)) {
|
|
if (!strcasecmp(v, "keep"))
|
|
return -1;
|
|
|
|
error("unknown core.untrackedCache value '%s'; "
|
|
"using 'keep' default value", v);
|
|
return -1;
|
|
}
|
|
|
|
return -1; /* default value */
|
|
}
|
|
|
|
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;
|
|
|
|
if (err) {
|
|
va_list params;
|
|
va_start(params, err);
|
|
vreportf("error: ", err, params);
|
|
va_end(params);
|
|
}
|
|
values = git_config_get_value_multi(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.
|
|
*/
|
|
|
|
static struct {
|
|
int baselen;
|
|
char *key;
|
|
int do_not_match;
|
|
regex_t *value_regex;
|
|
int multi_replace;
|
|
size_t *offset;
|
|
unsigned int offset_alloc;
|
|
enum { START, SECTION_SEEN, SECTION_END_SEEN, KEY_SEEN } state;
|
|
int seen;
|
|
} store;
|
|
|
|
static int matches(const char *key, const char *value)
|
|
{
|
|
if (strcmp(key, store.key))
|
|
return 0; /* not ours */
|
|
if (!store.value_regex)
|
|
return 1; /* always matches */
|
|
if (store.value_regex == CONFIG_REGEX_NONE)
|
|
return 0; /* never matches */
|
|
|
|
return store.do_not_match ^
|
|
(value && !regexec(store.value_regex, value, 0, NULL, 0));
|
|
}
|
|
|
|
static int store_aux(const char *key, const char *value, void *cb)
|
|
{
|
|
const char *ep;
|
|
size_t section_len;
|
|
|
|
switch (store.state) {
|
|
case KEY_SEEN:
|
|
if (matches(key, value)) {
|
|
if (store.seen == 1 && store.multi_replace == 0) {
|
|
warning(_("%s has multiple values"), key);
|
|
}
|
|
|
|
ALLOC_GROW(store.offset, store.seen + 1,
|
|
store.offset_alloc);
|
|
|
|
store.offset[store.seen] = cf->do_ftell(cf);
|
|
store.seen++;
|
|
}
|
|
break;
|
|
case SECTION_SEEN:
|
|
/*
|
|
* What we are looking for is in store.key (both
|
|
* section and var), and its section part is baselen
|
|
* long. We found key (again, both section and var).
|
|
* We would want to know if this key is in the same
|
|
* section as what we are looking for. We already
|
|
* know we are in the same section as what should
|
|
* hold store.key.
|
|
*/
|
|
ep = strrchr(key, '.');
|
|
section_len = ep - key;
|
|
|
|
if ((section_len != store.baselen) ||
|
|
memcmp(key, store.key, section_len+1)) {
|
|
store.state = SECTION_END_SEEN;
|
|
break;
|
|
}
|
|
|
|
/*
|
|
* Do not increment matches: this is no match, but we
|
|
* just made sure we are in the desired section.
|
|
*/
|
|
ALLOC_GROW(store.offset, store.seen + 1,
|
|
store.offset_alloc);
|
|
store.offset[store.seen] = cf->do_ftell(cf);
|
|
/* fallthru */
|
|
case SECTION_END_SEEN:
|
|
case START:
|
|
if (matches(key, value)) {
|
|
ALLOC_GROW(store.offset, store.seen + 1,
|
|
store.offset_alloc);
|
|
store.offset[store.seen] = cf->do_ftell(cf);
|
|
store.state = KEY_SEEN;
|
|
store.seen++;
|
|
} else {
|
|
if (strrchr(key, '.') - key == store.baselen &&
|
|
!strncmp(key, store.key, store.baselen)) {
|
|
store.state = SECTION_SEEN;
|
|
ALLOC_GROW(store.offset,
|
|
store.seen + 1,
|
|
store.offset_alloc);
|
|
store.offset[store.seen] = cf->do_ftell(cf);
|
|
}
|
|
}
|
|
}
|
|
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 int store_write_section(int fd, const char *key)
|
|
{
|
|
const char *dot;
|
|
int i, success;
|
|
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_addf(&sb, "[%.*s]\n", store.baselen, key);
|
|
}
|
|
|
|
success = write_in_full(fd, sb.buf, sb.len) == sb.len;
|
|
strbuf_release(&sb);
|
|
|
|
return success;
|
|
}
|
|
|
|
static int store_write_pair(int fd, const char *key, const char *value)
|
|
{
|
|
int i, success;
|
|
int length = strlen(key + store.baselen + 1);
|
|
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",
|
|
length, 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, '\\');
|
|
default:
|
|
strbuf_addch(&sb, value[i]);
|
|
break;
|
|
}
|
|
strbuf_addf(&sb, "%s\n", quote);
|
|
|
|
success = write_in_full(fd, sb.buf, sb.len) == sb.len;
|
|
strbuf_release(&sb);
|
|
|
|
return success;
|
|
}
|
|
|
|
static ssize_t find_beginning_of_line(const char *contents, size_t size,
|
|
size_t offset_, int *found_bracket)
|
|
{
|
|
size_t equal_offset = size, bracket_offset = size;
|
|
ssize_t offset;
|
|
|
|
contline:
|
|
for (offset = offset_-2; offset > 0
|
|
&& contents[offset] != '\n'; offset--)
|
|
switch (contents[offset]) {
|
|
case '=': equal_offset = offset; break;
|
|
case ']': bracket_offset = offset; break;
|
|
}
|
|
if (offset > 0 && contents[offset-1] == '\\') {
|
|
offset_ = offset;
|
|
goto contline;
|
|
}
|
|
if (bracket_offset < equal_offset) {
|
|
*found_bracket = 1;
|
|
offset = bracket_offset+1;
|
|
} else
|
|
offset++;
|
|
|
|
return offset;
|
|
}
|
|
|
|
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);
|
|
}
|
|
|
|
void git_config_set(const char *key, const char *value)
|
|
{
|
|
git_config_set_multivar(key, value, NULL, 0);
|
|
}
|
|
|
|
/*
|
|
* 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 int which will hold the length of the
|
|
* section + subsection part, can be NULL
|
|
*/
|
|
static int git_config_parse_key_1(const char *key, char **store_key, int *baselen_, int quiet)
|
|
{
|
|
int i, dot, baselen;
|
|
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) {
|
|
if (!quiet)
|
|
error("key does not contain a section: %s", key);
|
|
return -CONFIG_NO_SECTION_OR_NAME;
|
|
}
|
|
|
|
if (!last_dot[1]) {
|
|
if (!quiet)
|
|
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.
|
|
*/
|
|
if (store_key)
|
|
*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))) {
|
|
if (!quiet)
|
|
error("invalid key: %s", key);
|
|
goto out_free_ret_1;
|
|
}
|
|
c = tolower(c);
|
|
} else if (c == '\n') {
|
|
if (!quiet)
|
|
error("invalid key (newline): %s", key);
|
|
goto out_free_ret_1;
|
|
}
|
|
if (store_key)
|
|
(*store_key)[i] = c;
|
|
}
|
|
|
|
return 0;
|
|
|
|
out_free_ret_1:
|
|
if (store_key) {
|
|
free(*store_key);
|
|
*store_key = NULL;
|
|
}
|
|
return -CONFIG_INVALID_KEY;
|
|
}
|
|
|
|
int git_config_parse_key(const char *key, char **store_key, int *baselen)
|
|
{
|
|
return git_config_parse_key_1(key, store_key, baselen, 0);
|
|
}
|
|
|
|
int git_config_key_is_valid(const char *key)
|
|
{
|
|
return !git_config_parse_key_1(key, NULL, NULL, 1);
|
|
}
|
|
|
|
/*
|
|
* If value==NULL, unset in (remove from) config,
|
|
* if value_regex!=NULL, disregard key/value pairs where value does not match.
|
|
* if value_regex==CONFIG_REGEX_NONE, do not match any existing values
|
|
* (only add a new one)
|
|
* if multi_replace==0, nothing, or only one matching key/value is replaced,
|
|
* else all matching key/values (regardless how many) are removed,
|
|
* before the new pair is written.
|
|
*
|
|
* 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_regex,
|
|
int multi_replace)
|
|
{
|
|
int fd = -1, in_fd = -1;
|
|
int ret;
|
|
struct lock_file *lock = NULL;
|
|
char *filename_buf = NULL;
|
|
char *contents = NULL;
|
|
size_t contents_sz;
|
|
|
|
/* 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 = multi_replace;
|
|
|
|
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.
|
|
*/
|
|
lock = xcalloc(1, sizeof(struct lock_file));
|
|
fd = hold_lock_file_for_update(lock, config_filename, 0);
|
|
if (fd < 0) {
|
|
error_errno("could not lock config file %s", config_filename);
|
|
free(store.key);
|
|
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 ) {
|
|
free(store.key);
|
|
|
|
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 == NULL) {
|
|
ret = CONFIG_NOTHING_SET;
|
|
goto out_free;
|
|
}
|
|
|
|
store.key = (char *)key;
|
|
if (!store_write_section(fd, key) ||
|
|
!store_write_pair(fd, key, value))
|
|
goto write_err_out;
|
|
} else {
|
|
struct stat st;
|
|
size_t copy_begin, copy_end;
|
|
int i, new_line = 0;
|
|
|
|
if (value_regex == NULL)
|
|
store.value_regex = NULL;
|
|
else if (value_regex == CONFIG_REGEX_NONE)
|
|
store.value_regex = CONFIG_REGEX_NONE;
|
|
else {
|
|
if (value_regex[0] == '!') {
|
|
store.do_not_match = 1;
|
|
value_regex++;
|
|
} else
|
|
store.do_not_match = 0;
|
|
|
|
store.value_regex = (regex_t*)xmalloc(sizeof(regex_t));
|
|
if (regcomp(store.value_regex, value_regex,
|
|
REG_EXTENDED)) {
|
|
error("invalid pattern: %s", value_regex);
|
|
free(store.value_regex);
|
|
ret = CONFIG_INVALID_PATTERN;
|
|
goto out_free;
|
|
}
|
|
}
|
|
|
|
ALLOC_GROW(store.offset, 1, store.offset_alloc);
|
|
store.offset[0] = 0;
|
|
store.state = START;
|
|
store.seen = 0;
|
|
|
|
/*
|
|
* After this, store.offset will contain the *end* offset
|
|
* of the last match, or remain at 0 if no match was found.
|
|
* As a side effect, we make sure to transform only a valid
|
|
* existing config file.
|
|
*/
|
|
if (git_config_from_file(store_aux, config_filename, NULL)) {
|
|
error("invalid config file %s", config_filename);
|
|
free(store.key);
|
|
if (store.value_regex != NULL &&
|
|
store.value_regex != CONFIG_REGEX_NONE) {
|
|
regfree(store.value_regex);
|
|
free(store.value_regex);
|
|
}
|
|
ret = CONFIG_INVALID_FILE;
|
|
goto out_free;
|
|
}
|
|
|
|
free(store.key);
|
|
if (store.value_regex != NULL &&
|
|
store.value_regex != CONFIG_REGEX_NONE) {
|
|
regfree(store.value_regex);
|
|
free(store.value_regex);
|
|
}
|
|
|
|
/* if nothing to unset, or too many matches, error out */
|
|
if ((store.seen == 0 && value == NULL) ||
|
|
(store.seen > 1 && multi_replace == 0)) {
|
|
ret = CONFIG_NOTHING_SET;
|
|
goto out_free;
|
|
}
|
|
|
|
fstat(in_fd, &st);
|
|
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'", config_filename);
|
|
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 == 0)
|
|
store.seen = 1;
|
|
|
|
for (i = 0, copy_begin = 0; i < store.seen; i++) {
|
|
if (store.offset[i] == 0) {
|
|
store.offset[i] = copy_end = contents_sz;
|
|
} else if (store.state != KEY_SEEN) {
|
|
copy_end = store.offset[i];
|
|
} else
|
|
copy_end = find_beginning_of_line(
|
|
contents, contents_sz,
|
|
store.offset[i]-2, &new_line);
|
|
|
|
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) <
|
|
copy_end - copy_begin)
|
|
goto write_err_out;
|
|
if (new_line &&
|
|
write_str_in_full(fd, "\n") != 1)
|
|
goto write_err_out;
|
|
}
|
|
copy_begin = store.offset[i];
|
|
}
|
|
|
|
/* write the pair (value == NULL means unset) */
|
|
if (value != NULL) {
|
|
if (store.state == START) {
|
|
if (!store_write_section(fd, key))
|
|
goto write_err_out;
|
|
}
|
|
if (!store_write_pair(fd, key, value))
|
|
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) <
|
|
contents_sz - copy_begin)
|
|
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;
|
|
lock = NULL;
|
|
goto out_free;
|
|
}
|
|
|
|
/*
|
|
* lock is committed, so don't try to roll it back below.
|
|
* NOTE: Since lockfile.c keeps a linked list of all created
|
|
* lock_file structures, it isn't safe to free(lock). It's
|
|
* better to just leave it hanging around.
|
|
*/
|
|
lock = NULL;
|
|
ret = 0;
|
|
|
|
/* Invalidate the config cache */
|
|
git_config_clear();
|
|
|
|
out_free:
|
|
if (lock)
|
|
rollback_lock_file(lock);
|
|
free(filename_buf);
|
|
if (contents)
|
|
munmap(contents, contents_sz);
|
|
if (in_fd >= 0)
|
|
close(in_fd);
|
|
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_regex, int multi_replace)
|
|
{
|
|
if (!git_config_set_multivar_in_file_gently(config_filename, key, value,
|
|
value_regex, multi_replace))
|
|
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_regex, int multi_replace)
|
|
{
|
|
return git_config_set_multivar_in_file_gently(NULL, key, value, value_regex,
|
|
multi_replace);
|
|
}
|
|
|
|
void git_config_set_multivar(const char *key, const char *value,
|
|
const char *value_regex, int multi_replace)
|
|
{
|
|
git_config_set_multivar_in_file(NULL, key, value, value_regex,
|
|
multi_replace);
|
|
}
|
|
|
|
static int section_name_match (const char *buf, const char *name)
|
|
{
|
|
int i = 0, j = 0, 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;
|
|
}
|
|
|
|
/* if new_name == NULL, the section is removed instead */
|
|
int git_config_rename_section_in_file(const char *config_filename,
|
|
const char *old_name, const char *new_name)
|
|
{
|
|
int ret = 0, remove = 0;
|
|
char *filename_buf = NULL;
|
|
struct lock_file *lock;
|
|
int out_fd;
|
|
char buf[1024];
|
|
FILE *config_file;
|
|
struct stat st;
|
|
|
|
if (new_name && !section_name_is_ok(new_name)) {
|
|
ret = error("invalid section name: %s", new_name);
|
|
goto out;
|
|
}
|
|
|
|
if (!config_filename)
|
|
config_filename = filename_buf = git_pathdup("config");
|
|
|
|
lock = xcalloc(1, sizeof(struct lock_file));
|
|
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"))) {
|
|
/* no config file means nothing to rename, no error */
|
|
goto unlock_and_out;
|
|
}
|
|
|
|
fstat(fileno(config_file), &st);
|
|
|
|
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 (fgets(buf, sizeof(buf), config_file)) {
|
|
int i;
|
|
int length;
|
|
char *output = buf;
|
|
for (i = 0; buf[i] && isspace(buf[i]); i++)
|
|
; /* do nothing */
|
|
if (buf[i] == '[') {
|
|
/* it's a section */
|
|
int offset = section_name_match(&buf[i], old_name);
|
|
if (offset > 0) {
|
|
ret++;
|
|
if (new_name == NULL) {
|
|
remove = 1;
|
|
continue;
|
|
}
|
|
store.baselen = strlen(new_name);
|
|
if (!store_write_section(out_fd, new_name)) {
|
|
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';
|
|
}
|
|
}
|
|
remove = 0;
|
|
}
|
|
if (remove)
|
|
continue;
|
|
length = strlen(output);
|
|
if (write_in_full(out_fd, output, length) != length) {
|
|
ret = write_error(get_lock_file_path(lock));
|
|
goto out;
|
|
}
|
|
}
|
|
fclose(config_file);
|
|
unlock_and_out:
|
|
if (commit_lock_file(lock) < 0)
|
|
ret = error_errno("could not write config file %s",
|
|
config_filename);
|
|
out:
|
|
free(filename_buf);
|
|
return ret;
|
|
}
|
|
|
|
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);
|
|
}
|
|
|
|
/*
|
|
* 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, int *subsection_len,
|
|
const char **key)
|
|
{
|
|
int section_len = strlen(section);
|
|
const char *dot;
|
|
|
|
/* Does it start with "section." ? */
|
|
if (!starts_with(var, section) || var[section_len] != '.')
|
|
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 + section_len) {
|
|
*subsection = NULL;
|
|
*subsection_len = 0;
|
|
}
|
|
else {
|
|
*subsection = var + section_len + 1;
|
|
*subsection_len = dot - *subsection;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
const char *current_config_origin_type(void)
|
|
{
|
|
int type;
|
|
if (current_config_kvi)
|
|
type = current_config_kvi->origin_type;
|
|
else if(cf)
|
|
type = cf->origin_type;
|
|
else
|
|
die("BUG: current_config_origin_type called outside config callback");
|
|
|
|
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:
|
|
die("BUG: unknown config origin type");
|
|
}
|
|
}
|
|
|
|
const char *current_config_name(void)
|
|
{
|
|
const char *name;
|
|
if (current_config_kvi)
|
|
name = current_config_kvi->filename;
|
|
else if (cf)
|
|
name = cf->name;
|
|
else
|
|
die("BUG: current_config_name called outside config callback");
|
|
return name ? name : "";
|
|
}
|
|
|
|
enum config_scope current_config_scope(void)
|
|
{
|
|
if (current_config_kvi)
|
|
return current_config_kvi->scope;
|
|
else
|
|
return current_parsing_scope;
|
|
}
|