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![Junio C Hamano](/assets/img/avatar_default.png)
* jk/colors-fix: t4026: test "normal" color config: fix parsing of "git config --get-color some.key -1" docs: describe ANSI 256-color mode
698 lines
19 KiB
C
698 lines
19 KiB
C
#include "builtin.h"
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#include "cache.h"
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#include "color.h"
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#include "parse-options.h"
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#include "urlmatch.h"
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static const char *const builtin_config_usage[] = {
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N_("git config [options]"),
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NULL
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};
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static char *key;
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static regex_t *key_regexp;
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static regex_t *regexp;
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static int show_keys;
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static int use_key_regexp;
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static int do_all;
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static int do_not_match;
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static char delim = '=';
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static char key_delim = ' ';
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static char term = '\n';
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static int use_global_config, use_system_config, use_local_config;
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static struct git_config_source given_config_source;
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static int actions, types;
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static const char *get_color_slot, *get_colorbool_slot;
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static int end_null;
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static int respect_includes = -1;
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#define ACTION_GET (1<<0)
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#define ACTION_GET_ALL (1<<1)
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#define ACTION_GET_REGEXP (1<<2)
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#define ACTION_REPLACE_ALL (1<<3)
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#define ACTION_ADD (1<<4)
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#define ACTION_UNSET (1<<5)
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#define ACTION_UNSET_ALL (1<<6)
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#define ACTION_RENAME_SECTION (1<<7)
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#define ACTION_REMOVE_SECTION (1<<8)
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#define ACTION_LIST (1<<9)
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#define ACTION_EDIT (1<<10)
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#define ACTION_SET (1<<11)
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#define ACTION_SET_ALL (1<<12)
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#define ACTION_GET_COLOR (1<<13)
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#define ACTION_GET_COLORBOOL (1<<14)
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#define ACTION_GET_URLMATCH (1<<15)
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#define TYPE_BOOL (1<<0)
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#define TYPE_INT (1<<1)
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#define TYPE_BOOL_OR_INT (1<<2)
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#define TYPE_PATH (1<<3)
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static struct option builtin_config_options[] = {
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OPT_GROUP(N_("Config file location")),
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OPT_BOOL(0, "global", &use_global_config, N_("use global config file")),
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OPT_BOOL(0, "system", &use_system_config, N_("use system config file")),
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OPT_BOOL(0, "local", &use_local_config, N_("use repository config file")),
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OPT_STRING('f', "file", &given_config_source.file, N_("file"), N_("use given config file")),
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OPT_STRING(0, "blob", &given_config_source.blob, N_("blob-id"), N_("read config from given blob object")),
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OPT_GROUP(N_("Action")),
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OPT_BIT(0, "get", &actions, N_("get value: name [value-regex]"), ACTION_GET),
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OPT_BIT(0, "get-all", &actions, N_("get all values: key [value-regex]"), ACTION_GET_ALL),
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OPT_BIT(0, "get-regexp", &actions, N_("get values for regexp: name-regex [value-regex]"), ACTION_GET_REGEXP),
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OPT_BIT(0, "get-urlmatch", &actions, N_("get value specific for the URL: section[.var] URL"), ACTION_GET_URLMATCH),
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OPT_BIT(0, "replace-all", &actions, N_("replace all matching variables: name value [value_regex]"), ACTION_REPLACE_ALL),
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OPT_BIT(0, "add", &actions, N_("add a new variable: name value"), ACTION_ADD),
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OPT_BIT(0, "unset", &actions, N_("remove a variable: name [value-regex]"), ACTION_UNSET),
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OPT_BIT(0, "unset-all", &actions, N_("remove all matches: name [value-regex]"), ACTION_UNSET_ALL),
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OPT_BIT(0, "rename-section", &actions, N_("rename section: old-name new-name"), ACTION_RENAME_SECTION),
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OPT_BIT(0, "remove-section", &actions, N_("remove a section: name"), ACTION_REMOVE_SECTION),
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OPT_BIT('l', "list", &actions, N_("list all"), ACTION_LIST),
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OPT_BIT('e', "edit", &actions, N_("open an editor"), ACTION_EDIT),
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OPT_BIT(0, "get-color", &actions, N_("find the color configured: slot [default]"), ACTION_GET_COLOR),
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OPT_BIT(0, "get-colorbool", &actions, N_("find the color setting: slot [stdout-is-tty]"), ACTION_GET_COLORBOOL),
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OPT_GROUP(N_("Type")),
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OPT_BIT(0, "bool", &types, N_("value is \"true\" or \"false\""), TYPE_BOOL),
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OPT_BIT(0, "int", &types, N_("value is decimal number"), TYPE_INT),
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OPT_BIT(0, "bool-or-int", &types, N_("value is --bool or --int"), TYPE_BOOL_OR_INT),
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OPT_BIT(0, "path", &types, N_("value is a path (file or directory name)"), TYPE_PATH),
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OPT_GROUP(N_("Other")),
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OPT_BOOL('z', "null", &end_null, N_("terminate values with NUL byte")),
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OPT_BOOL(0, "includes", &respect_includes, N_("respect include directives on lookup")),
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OPT_END(),
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};
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static void check_argc(int argc, int min, int max) {
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if (argc >= min && argc <= max)
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return;
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error("wrong number of arguments");
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usage_with_options(builtin_config_usage, builtin_config_options);
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}
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static int show_all_config(const char *key_, const char *value_, void *cb)
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{
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if (value_)
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printf("%s%c%s%c", key_, delim, value_, term);
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else
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printf("%s%c", key_, term);
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return 0;
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}
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struct strbuf_list {
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struct strbuf *items;
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int nr;
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int alloc;
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};
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static int format_config(struct strbuf *buf, const char *key_, const char *value_)
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{
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int must_free_vptr = 0;
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int must_print_delim = 0;
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char value[256];
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const char *vptr = value;
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strbuf_init(buf, 0);
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if (show_keys) {
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strbuf_addstr(buf, key_);
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must_print_delim = 1;
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}
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if (types == TYPE_INT)
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sprintf(value, "%"PRId64,
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git_config_int64(key_, value_ ? value_ : ""));
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else if (types == TYPE_BOOL)
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vptr = git_config_bool(key_, value_) ? "true" : "false";
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else if (types == TYPE_BOOL_OR_INT) {
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int is_bool, v;
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v = git_config_bool_or_int(key_, value_, &is_bool);
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if (is_bool)
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vptr = v ? "true" : "false";
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else
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sprintf(value, "%d", v);
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} else if (types == TYPE_PATH) {
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if (git_config_pathname(&vptr, key_, value_) < 0)
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return -1;
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must_free_vptr = 1;
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} else if (value_) {
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vptr = value_;
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} else {
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/* Just show the key name */
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vptr = "";
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must_print_delim = 0;
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}
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if (must_print_delim)
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strbuf_addch(buf, key_delim);
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strbuf_addstr(buf, vptr);
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strbuf_addch(buf, term);
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if (must_free_vptr)
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free((char *)vptr);
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return 0;
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}
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static int collect_config(const char *key_, const char *value_, void *cb)
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{
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struct strbuf_list *values = cb;
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if (!use_key_regexp && strcmp(key_, key))
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return 0;
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if (use_key_regexp && regexec(key_regexp, key_, 0, NULL, 0))
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return 0;
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if (regexp != NULL &&
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(do_not_match ^ !!regexec(regexp, (value_?value_:""), 0, NULL, 0)))
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return 0;
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ALLOC_GROW(values->items, values->nr + 1, values->alloc);
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return format_config(&values->items[values->nr++], key_, value_);
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}
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static int get_value(const char *key_, const char *regex_)
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{
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int ret = CONFIG_GENERIC_ERROR;
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struct strbuf_list values = {NULL};
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int i;
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if (use_key_regexp) {
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char *tl;
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/*
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* NEEDSWORK: this naive pattern lowercasing obviously does not
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* work for more complex patterns like "^[^.]*Foo.*bar".
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* Perhaps we should deprecate this altogether someday.
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*/
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key = xstrdup(key_);
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for (tl = key + strlen(key) - 1;
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tl >= key && *tl != '.';
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tl--)
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*tl = tolower(*tl);
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for (tl = key; *tl && *tl != '.'; tl++)
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*tl = tolower(*tl);
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key_regexp = (regex_t*)xmalloc(sizeof(regex_t));
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if (regcomp(key_regexp, key, REG_EXTENDED)) {
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fprintf(stderr, "Invalid key pattern: %s\n", key_);
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free(key_regexp);
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key_regexp = NULL;
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ret = CONFIG_INVALID_PATTERN;
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goto free_strings;
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}
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} else {
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if (git_config_parse_key(key_, &key, NULL)) {
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ret = CONFIG_INVALID_KEY;
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goto free_strings;
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}
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}
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if (regex_) {
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if (regex_[0] == '!') {
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do_not_match = 1;
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regex_++;
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}
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regexp = (regex_t*)xmalloc(sizeof(regex_t));
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if (regcomp(regexp, regex_, REG_EXTENDED)) {
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fprintf(stderr, "Invalid pattern: %s\n", regex_);
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free(regexp);
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regexp = NULL;
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ret = CONFIG_INVALID_PATTERN;
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goto free_strings;
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}
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}
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git_config_with_options(collect_config, &values,
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&given_config_source, respect_includes);
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ret = !values.nr;
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for (i = 0; i < values.nr; i++) {
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struct strbuf *buf = values.items + i;
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if (do_all || i == values.nr - 1)
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fwrite(buf->buf, 1, buf->len, stdout);
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strbuf_release(buf);
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}
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free(values.items);
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free_strings:
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free(key);
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if (key_regexp) {
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regfree(key_regexp);
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free(key_regexp);
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}
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if (regexp) {
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regfree(regexp);
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free(regexp);
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}
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return ret;
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}
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static char *normalize_value(const char *key, const char *value)
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{
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char *normalized;
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if (!value)
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return NULL;
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if (types == 0 || types == TYPE_PATH)
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/*
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* We don't do normalization for TYPE_PATH here: If
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* the path is like ~/foobar/, we prefer to store
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* "~/foobar/" in the config file, and to expand the ~
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* when retrieving the value.
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*/
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normalized = xstrdup(value);
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else {
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normalized = xmalloc(64);
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if (types == TYPE_INT) {
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int64_t v = git_config_int64(key, value);
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sprintf(normalized, "%"PRId64, v);
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}
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else if (types == TYPE_BOOL)
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sprintf(normalized, "%s",
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git_config_bool(key, value) ? "true" : "false");
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else if (types == TYPE_BOOL_OR_INT) {
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int is_bool, v;
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v = git_config_bool_or_int(key, value, &is_bool);
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if (!is_bool)
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sprintf(normalized, "%d", v);
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else
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sprintf(normalized, "%s", v ? "true" : "false");
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}
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}
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return normalized;
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}
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static int get_color_found;
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static const char *get_color_slot;
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static const char *get_colorbool_slot;
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static char parsed_color[COLOR_MAXLEN];
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static int git_get_color_config(const char *var, const char *value, void *cb)
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{
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if (!strcmp(var, get_color_slot)) {
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if (!value)
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config_error_nonbool(var);
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if (color_parse(value, parsed_color) < 0)
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return -1;
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get_color_found = 1;
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}
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return 0;
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}
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static void get_color(const char *var, const char *def_color)
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{
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get_color_slot = var;
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get_color_found = 0;
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parsed_color[0] = '\0';
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git_config_with_options(git_get_color_config, NULL,
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&given_config_source, respect_includes);
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if (!get_color_found && def_color) {
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if (color_parse(def_color, parsed_color) < 0)
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die(_("unable to parse default color value"));
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}
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fputs(parsed_color, stdout);
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}
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static int get_colorbool_found;
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static int get_diff_color_found;
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static int get_color_ui_found;
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static int git_get_colorbool_config(const char *var, const char *value,
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void *cb)
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{
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if (!strcmp(var, get_colorbool_slot))
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get_colorbool_found = git_config_colorbool(var, value);
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else if (!strcmp(var, "diff.color"))
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get_diff_color_found = git_config_colorbool(var, value);
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else if (!strcmp(var, "color.ui"))
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get_color_ui_found = git_config_colorbool(var, value);
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return 0;
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}
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static int get_colorbool(const char *var, int print)
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{
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get_colorbool_slot = var;
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get_colorbool_found = -1;
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get_diff_color_found = -1;
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get_color_ui_found = -1;
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git_config_with_options(git_get_colorbool_config, NULL,
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&given_config_source, respect_includes);
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if (get_colorbool_found < 0) {
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if (!strcmp(get_colorbool_slot, "color.diff"))
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get_colorbool_found = get_diff_color_found;
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if (get_colorbool_found < 0)
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get_colorbool_found = get_color_ui_found;
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}
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if (get_colorbool_found < 0)
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/* default value if none found in config */
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get_colorbool_found = GIT_COLOR_AUTO;
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get_colorbool_found = want_color(get_colorbool_found);
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if (print) {
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printf("%s\n", get_colorbool_found ? "true" : "false");
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return 0;
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} else
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return get_colorbool_found ? 0 : 1;
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}
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static void check_write(void)
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{
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if (given_config_source.use_stdin)
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die("writing to stdin is not supported");
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if (given_config_source.blob)
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die("writing config blobs is not supported");
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}
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struct urlmatch_current_candidate_value {
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char value_is_null;
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struct strbuf value;
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};
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static int urlmatch_collect_fn(const char *var, const char *value, void *cb)
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{
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struct string_list *values = cb;
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struct string_list_item *item = string_list_insert(values, var);
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struct urlmatch_current_candidate_value *matched = item->util;
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if (!matched) {
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matched = xmalloc(sizeof(*matched));
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strbuf_init(&matched->value, 0);
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item->util = matched;
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} else {
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strbuf_reset(&matched->value);
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}
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if (value) {
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strbuf_addstr(&matched->value, value);
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matched->value_is_null = 0;
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} else {
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matched->value_is_null = 1;
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}
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return 0;
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}
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static int get_urlmatch(const char *var, const char *url)
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{
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char *section_tail;
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struct string_list_item *item;
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struct urlmatch_config config = { STRING_LIST_INIT_DUP };
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struct string_list values = STRING_LIST_INIT_DUP;
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config.collect_fn = urlmatch_collect_fn;
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config.cascade_fn = NULL;
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config.cb = &values;
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if (!url_normalize(url, &config.url))
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die("%s", config.url.err);
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config.section = xstrdup_tolower(var);
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section_tail = strchr(config.section, '.');
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if (section_tail) {
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*section_tail = '\0';
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config.key = section_tail + 1;
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show_keys = 0;
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} else {
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config.key = NULL;
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show_keys = 1;
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}
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git_config_with_options(urlmatch_config_entry, &config,
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&given_config_source, respect_includes);
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for_each_string_list_item(item, &values) {
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struct urlmatch_current_candidate_value *matched = item->util;
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struct strbuf key = STRBUF_INIT;
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struct strbuf buf = STRBUF_INIT;
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strbuf_addstr(&key, item->string);
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format_config(&buf, key.buf,
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matched->value_is_null ? NULL : matched->value.buf);
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fwrite(buf.buf, 1, buf.len, stdout);
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strbuf_release(&key);
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strbuf_release(&buf);
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strbuf_release(&matched->value);
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}
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string_list_clear(&config.vars, 1);
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string_list_clear(&values, 1);
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free(config.url.url);
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free((void *)config.section);
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return 0;
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}
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static char *default_user_config(void)
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{
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struct strbuf buf = STRBUF_INIT;
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strbuf_addf(&buf,
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_("# This is Git's per-user configuration file.\n"
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"[core]\n"
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"# Please adapt and uncomment the following lines:\n"
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"# user = %s\n"
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"# email = %s\n"),
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ident_default_name(),
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ident_default_email());
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return strbuf_detach(&buf, NULL);
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}
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int cmd_config(int argc, const char **argv, const char *prefix)
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{
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int nongit = !startup_info->have_repository;
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char *value;
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given_config_source.file = getenv(CONFIG_ENVIRONMENT);
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argc = parse_options(argc, argv, prefix, builtin_config_options,
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builtin_config_usage,
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PARSE_OPT_STOP_AT_NON_OPTION);
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if (use_global_config + use_system_config + use_local_config +
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!!given_config_source.file + !!given_config_source.blob > 1) {
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error("only one config file at a time.");
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usage_with_options(builtin_config_usage, builtin_config_options);
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}
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|
if (given_config_source.file &&
|
|
!strcmp(given_config_source.file, "-")) {
|
|
given_config_source.file = NULL;
|
|
given_config_source.use_stdin = 1;
|
|
}
|
|
|
|
if (use_global_config) {
|
|
char *user_config = NULL;
|
|
char *xdg_config = NULL;
|
|
|
|
home_config_paths(&user_config, &xdg_config, "config");
|
|
|
|
if (!user_config)
|
|
/*
|
|
* It is unknown if HOME/.gitconfig exists, so
|
|
* we do not know if we should write to XDG
|
|
* location; error out even if XDG_CONFIG_HOME
|
|
* is set and points at a sane location.
|
|
*/
|
|
die("$HOME not set");
|
|
|
|
if (access_or_warn(user_config, R_OK, 0) &&
|
|
xdg_config && !access_or_warn(xdg_config, R_OK, 0))
|
|
given_config_source.file = xdg_config;
|
|
else
|
|
given_config_source.file = user_config;
|
|
}
|
|
else if (use_system_config)
|
|
given_config_source.file = git_etc_gitconfig();
|
|
else if (use_local_config)
|
|
given_config_source.file = git_pathdup("config");
|
|
else if (given_config_source.file) {
|
|
if (!is_absolute_path(given_config_source.file) && prefix)
|
|
given_config_source.file =
|
|
xstrdup(prefix_filename(prefix,
|
|
strlen(prefix),
|
|
given_config_source.file));
|
|
}
|
|
|
|
if (respect_includes == -1)
|
|
respect_includes = !given_config_source.file;
|
|
|
|
if (end_null) {
|
|
term = '\0';
|
|
delim = '\n';
|
|
key_delim = '\n';
|
|
}
|
|
|
|
if (HAS_MULTI_BITS(types)) {
|
|
error("only one type at a time.");
|
|
usage_with_options(builtin_config_usage, builtin_config_options);
|
|
}
|
|
|
|
if ((actions & (ACTION_GET_COLOR|ACTION_GET_COLORBOOL)) && types) {
|
|
error("--get-color and variable type are incoherent");
|
|
usage_with_options(builtin_config_usage, builtin_config_options);
|
|
}
|
|
|
|
if (HAS_MULTI_BITS(actions)) {
|
|
error("only one action at a time.");
|
|
usage_with_options(builtin_config_usage, builtin_config_options);
|
|
}
|
|
if (actions == 0)
|
|
switch (argc) {
|
|
case 1: actions = ACTION_GET; break;
|
|
case 2: actions = ACTION_SET; break;
|
|
case 3: actions = ACTION_SET_ALL; break;
|
|
default:
|
|
usage_with_options(builtin_config_usage, builtin_config_options);
|
|
}
|
|
|
|
if (actions == ACTION_LIST) {
|
|
check_argc(argc, 0, 0);
|
|
if (git_config_with_options(show_all_config, NULL,
|
|
&given_config_source,
|
|
respect_includes) < 0) {
|
|
if (given_config_source.file)
|
|
die_errno("unable to read config file '%s'",
|
|
given_config_source.file);
|
|
else
|
|
die("error processing config file(s)");
|
|
}
|
|
}
|
|
else if (actions == ACTION_EDIT) {
|
|
char *config_file;
|
|
|
|
check_argc(argc, 0, 0);
|
|
if (!given_config_source.file && nongit)
|
|
die("not in a git directory");
|
|
if (given_config_source.use_stdin)
|
|
die("editing stdin is not supported");
|
|
if (given_config_source.blob)
|
|
die("editing blobs is not supported");
|
|
git_config(git_default_config, NULL);
|
|
config_file = xstrdup(given_config_source.file ?
|
|
given_config_source.file : git_path("config"));
|
|
if (use_global_config) {
|
|
int fd = open(config_file, O_CREAT | O_EXCL | O_WRONLY, 0666);
|
|
if (fd) {
|
|
char *content = default_user_config();
|
|
write_str_in_full(fd, content);
|
|
free(content);
|
|
close(fd);
|
|
}
|
|
else if (errno != EEXIST)
|
|
die_errno(_("cannot create configuration file %s"), config_file);
|
|
}
|
|
launch_editor(config_file, NULL, NULL);
|
|
free(config_file);
|
|
}
|
|
else if (actions == ACTION_SET) {
|
|
int ret;
|
|
check_write();
|
|
check_argc(argc, 2, 2);
|
|
value = normalize_value(argv[0], argv[1]);
|
|
ret = git_config_set_in_file(given_config_source.file, argv[0], value);
|
|
if (ret == CONFIG_NOTHING_SET)
|
|
error("cannot overwrite multiple values with a single value\n"
|
|
" Use a regexp, --add or --replace-all to change %s.", argv[0]);
|
|
return ret;
|
|
}
|
|
else if (actions == ACTION_SET_ALL) {
|
|
check_write();
|
|
check_argc(argc, 2, 3);
|
|
value = normalize_value(argv[0], argv[1]);
|
|
return git_config_set_multivar_in_file(given_config_source.file,
|
|
argv[0], value, argv[2], 0);
|
|
}
|
|
else if (actions == ACTION_ADD) {
|
|
check_write();
|
|
check_argc(argc, 2, 2);
|
|
value = normalize_value(argv[0], argv[1]);
|
|
return git_config_set_multivar_in_file(given_config_source.file,
|
|
argv[0], value,
|
|
CONFIG_REGEX_NONE, 0);
|
|
}
|
|
else if (actions == ACTION_REPLACE_ALL) {
|
|
check_write();
|
|
check_argc(argc, 2, 3);
|
|
value = normalize_value(argv[0], argv[1]);
|
|
return git_config_set_multivar_in_file(given_config_source.file,
|
|
argv[0], value, argv[2], 1);
|
|
}
|
|
else if (actions == ACTION_GET) {
|
|
check_argc(argc, 1, 2);
|
|
return get_value(argv[0], argv[1]);
|
|
}
|
|
else if (actions == ACTION_GET_ALL) {
|
|
do_all = 1;
|
|
check_argc(argc, 1, 2);
|
|
return get_value(argv[0], argv[1]);
|
|
}
|
|
else if (actions == ACTION_GET_REGEXP) {
|
|
show_keys = 1;
|
|
use_key_regexp = 1;
|
|
do_all = 1;
|
|
check_argc(argc, 1, 2);
|
|
return get_value(argv[0], argv[1]);
|
|
}
|
|
else if (actions == ACTION_GET_URLMATCH) {
|
|
check_argc(argc, 2, 2);
|
|
return get_urlmatch(argv[0], argv[1]);
|
|
}
|
|
else if (actions == ACTION_UNSET) {
|
|
check_write();
|
|
check_argc(argc, 1, 2);
|
|
if (argc == 2)
|
|
return git_config_set_multivar_in_file(given_config_source.file,
|
|
argv[0], NULL, argv[1], 0);
|
|
else
|
|
return git_config_set_in_file(given_config_source.file,
|
|
argv[0], NULL);
|
|
}
|
|
else if (actions == ACTION_UNSET_ALL) {
|
|
check_write();
|
|
check_argc(argc, 1, 2);
|
|
return git_config_set_multivar_in_file(given_config_source.file,
|
|
argv[0], NULL, argv[1], 1);
|
|
}
|
|
else if (actions == ACTION_RENAME_SECTION) {
|
|
int ret;
|
|
check_write();
|
|
check_argc(argc, 2, 2);
|
|
ret = git_config_rename_section_in_file(given_config_source.file,
|
|
argv[0], argv[1]);
|
|
if (ret < 0)
|
|
return ret;
|
|
if (ret == 0)
|
|
die("No such section!");
|
|
}
|
|
else if (actions == ACTION_REMOVE_SECTION) {
|
|
int ret;
|
|
check_write();
|
|
check_argc(argc, 1, 1);
|
|
ret = git_config_rename_section_in_file(given_config_source.file,
|
|
argv[0], NULL);
|
|
if (ret < 0)
|
|
return ret;
|
|
if (ret == 0)
|
|
die("No such section!");
|
|
}
|
|
else if (actions == ACTION_GET_COLOR) {
|
|
check_argc(argc, 1, 2);
|
|
get_color(argv[0], argv[1]);
|
|
}
|
|
else if (actions == ACTION_GET_COLORBOOL) {
|
|
check_argc(argc, 1, 2);
|
|
if (argc == 2)
|
|
color_stdout_is_tty = git_config_bool("command line", argv[1]);
|
|
return get_colorbool(argv[0], argc == 2);
|
|
}
|
|
|
|
return 0;
|
|
}
|