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-rw-r--r--builtin/config.c580
1 files changed, 580 insertions, 0 deletions
diff --git a/builtin/config.c b/builtin/config.c
new file mode 100644
index 0000000000..4010c4320a
--- /dev/null
+++ b/builtin/config.c
@@ -0,0 +1,580 @@
+#include "builtin.h"
+#include "cache.h"
+#include "color.h"
+#include "parse-options.h"
+
+static const char *const builtin_config_usage[] = {
+ N_("git config [options]"),
+ NULL
+};
+
+static char *key;
+static regex_t *key_regexp;
+static regex_t *regexp;
+static int show_keys;
+static int use_key_regexp;
+static int do_all;
+static int do_not_match;
+static char delim = '=';
+static char key_delim = ' ';
+static char term = '\n';
+
+static int use_global_config, use_system_config, use_local_config;
+static const char *given_config_file;
+static const char *given_config_blob;
+static int actions, types;
+static const char *get_color_slot, *get_colorbool_slot;
+static int end_null;
+static int respect_includes = -1;
+
+#define ACTION_GET (1<<0)
+#define ACTION_GET_ALL (1<<1)
+#define ACTION_GET_REGEXP (1<<2)
+#define ACTION_REPLACE_ALL (1<<3)
+#define ACTION_ADD (1<<4)
+#define ACTION_UNSET (1<<5)
+#define ACTION_UNSET_ALL (1<<6)
+#define ACTION_RENAME_SECTION (1<<7)
+#define ACTION_REMOVE_SECTION (1<<8)
+#define ACTION_LIST (1<<9)
+#define ACTION_EDIT (1<<10)
+#define ACTION_SET (1<<11)
+#define ACTION_SET_ALL (1<<12)
+#define ACTION_GET_COLOR (1<<13)
+#define ACTION_GET_COLORBOOL (1<<14)
+
+#define TYPE_BOOL (1<<0)
+#define TYPE_INT (1<<1)
+#define TYPE_BOOL_OR_INT (1<<2)
+#define TYPE_PATH (1<<3)
+
+static struct option builtin_config_options[] = {
+ OPT_GROUP(N_("Config file location")),
+ OPT_BOOLEAN(0, "global", &use_global_config, N_("use global config file")),
+ OPT_BOOLEAN(0, "system", &use_system_config, N_("use system config file")),
+ OPT_BOOLEAN(0, "local", &use_local_config, N_("use repository config file")),
+ OPT_STRING('f', "file", &given_config_file, N_("file"), N_("use given config file")),
+ OPT_STRING(0, "blob", &given_config_blob, N_("blob-id"), N_("read config from given blob object")),
+ OPT_GROUP(N_("Action")),
+ OPT_BIT(0, "get", &actions, N_("get value: name [value-regex]"), ACTION_GET),
+ OPT_BIT(0, "get-all", &actions, N_("get all values: key [value-regex]"), ACTION_GET_ALL),
+ OPT_BIT(0, "get-regexp", &actions, N_("get values for regexp: name-regex [value-regex]"), ACTION_GET_REGEXP),
+ OPT_BIT(0, "replace-all", &actions, N_("replace all matching variables: name value [value_regex]"), ACTION_REPLACE_ALL),
+ OPT_BIT(0, "add", &actions, N_("add a new variable: name value"), ACTION_ADD),
+ OPT_BIT(0, "unset", &actions, N_("remove a variable: name [value-regex]"), ACTION_UNSET),
+ OPT_BIT(0, "unset-all", &actions, N_("remove all matches: name [value-regex]"), ACTION_UNSET_ALL),
+ OPT_BIT(0, "rename-section", &actions, N_("rename section: old-name new-name"), ACTION_RENAME_SECTION),
+ OPT_BIT(0, "remove-section", &actions, N_("remove a section: name"), ACTION_REMOVE_SECTION),
+ OPT_BIT('l', "list", &actions, N_("list all"), ACTION_LIST),
+ OPT_BIT('e', "edit", &actions, N_("open an editor"), ACTION_EDIT),
+ OPT_STRING(0, "get-color", &get_color_slot, N_("slot"), N_("find the color configured: [default]")),
+ OPT_STRING(0, "get-colorbool", &get_colorbool_slot, N_("slot"), N_("find the color setting: [stdout-is-tty]")),
+ OPT_GROUP(N_("Type")),
+ OPT_BIT(0, "bool", &types, N_("value is \"true\" or \"false\""), TYPE_BOOL),
+ OPT_BIT(0, "int", &types, N_("value is decimal number"), TYPE_INT),
+ OPT_BIT(0, "bool-or-int", &types, N_("value is --bool or --int"), TYPE_BOOL_OR_INT),
+ OPT_BIT(0, "path", &types, N_("value is a path (file or directory name)"), TYPE_PATH),
+ OPT_GROUP(N_("Other")),
+ OPT_BOOLEAN('z', "null", &end_null, N_("terminate values with NUL byte")),
+ OPT_BOOL(0, "includes", &respect_includes, N_("respect include directives on lookup")),
+ OPT_END(),
+};
+
+static void check_argc(int argc, int min, int max) {
+ if (argc >= min && argc <= max)
+ return;
+ error("wrong number of arguments");
+ usage_with_options(builtin_config_usage, builtin_config_options);
+}
+
+static int show_all_config(const char *key_, const char *value_, void *cb)
+{
+ if (value_)
+ printf("%s%c%s%c", key_, delim, value_, term);
+ else
+ printf("%s%c", key_, term);
+ return 0;
+}
+
+struct strbuf_list {
+ struct strbuf *items;
+ int nr;
+ int alloc;
+};
+
+static int collect_config(const char *key_, const char *value_, void *cb)
+{
+ struct strbuf_list *values = cb;
+ struct strbuf *buf;
+ char value[256];
+ const char *vptr = value;
+ int must_free_vptr = 0;
+ int must_print_delim = 0;
+
+ if (!use_key_regexp && strcmp(key_, key))
+ return 0;
+ if (use_key_regexp && regexec(key_regexp, key_, 0, NULL, 0))
+ return 0;
+ if (regexp != NULL &&
+ (do_not_match ^ !!regexec(regexp, (value_?value_:""), 0, NULL, 0)))
+ return 0;
+
+ ALLOC_GROW(values->items, values->nr + 1, values->alloc);
+ buf = &values->items[values->nr++];
+ strbuf_init(buf, 0);
+
+ if (show_keys) {
+ strbuf_addstr(buf, key_);
+ must_print_delim = 1;
+ }
+ if (types == TYPE_INT)
+ sprintf(value, "%d", git_config_int(key_, value_?value_:""));
+ else if (types == TYPE_BOOL)
+ vptr = git_config_bool(key_, value_) ? "true" : "false";
+ else if (types == TYPE_BOOL_OR_INT) {
+ int is_bool, v;
+ v = git_config_bool_or_int(key_, value_, &is_bool);
+ if (is_bool)
+ vptr = v ? "true" : "false";
+ else
+ sprintf(value, "%d", v);
+ } else if (types == TYPE_PATH) {
+ if (git_config_pathname(&vptr, key_, value_) < 0)
+ return -1;
+ must_free_vptr = 1;
+ } else if (value_) {
+ vptr = value_;
+ } else {
+ /* Just show the key name */
+ vptr = "";
+ must_print_delim = 0;
+ }
+
+ if (must_print_delim)
+ strbuf_addch(buf, key_delim);
+ strbuf_addstr(buf, vptr);
+ strbuf_addch(buf, term);
+
+ if (must_free_vptr)
+ /* If vptr must be freed, it's a pointer to a
+ * dynamically allocated buffer, it's safe to cast to
+ * const.
+ */
+ free((char *)vptr);
+
+ return 0;
+}
+
+static int get_value(const char *key_, const char *regex_)
+{
+ int ret = CONFIG_GENERIC_ERROR;
+ struct strbuf_list values = {NULL};
+ int i;
+
+ if (use_key_regexp) {
+ char *tl;
+
+ /*
+ * NEEDSWORK: this naive pattern lowercasing obviously does not
+ * work for more complex patterns like "^[^.]*Foo.*bar".
+ * Perhaps we should deprecate this altogether someday.
+ */
+
+ key = xstrdup(key_);
+ for (tl = key + strlen(key) - 1;
+ tl >= key && *tl != '.';
+ tl--)
+ *tl = tolower(*tl);
+ for (tl = key; *tl && *tl != '.'; tl++)
+ *tl = tolower(*tl);
+
+ key_regexp = (regex_t*)xmalloc(sizeof(regex_t));
+ if (regcomp(key_regexp, key, REG_EXTENDED)) {
+ fprintf(stderr, "Invalid key pattern: %s\n", key_);
+ free(key_regexp);
+ key_regexp = NULL;
+ ret = CONFIG_INVALID_PATTERN;
+ goto free_strings;
+ }
+ } else {
+ if (git_config_parse_key(key_, &key, NULL)) {
+ ret = CONFIG_INVALID_KEY;
+ goto free_strings;
+ }
+ }
+
+ if (regex_) {
+ if (regex_[0] == '!') {
+ do_not_match = 1;
+ regex_++;
+ }
+
+ regexp = (regex_t*)xmalloc(sizeof(regex_t));
+ if (regcomp(regexp, regex_, REG_EXTENDED)) {
+ fprintf(stderr, "Invalid pattern: %s\n", regex_);
+ free(regexp);
+ regexp = NULL;
+ ret = CONFIG_INVALID_PATTERN;
+ goto free_strings;
+ }
+ }
+
+ git_config_with_options(collect_config, &values,
+ given_config_file, given_config_blob,
+ respect_includes);
+
+ ret = !values.nr;
+
+ for (i = 0; i < values.nr; i++) {
+ struct strbuf *buf = values.items + i;
+ if (do_all || i == values.nr - 1)
+ fwrite(buf->buf, 1, buf->len, stdout);
+ strbuf_release(buf);
+ }
+ free(values.items);
+
+free_strings:
+ free(key);
+ if (key_regexp) {
+ regfree(key_regexp);
+ free(key_regexp);
+ }
+ if (regexp) {
+ regfree(regexp);
+ free(regexp);
+ }
+
+ return ret;
+}
+
+static char *normalize_value(const char *key, const char *value)
+{
+ char *normalized;
+
+ if (!value)
+ return NULL;
+
+ if (types == 0 || types == TYPE_PATH)
+ /*
+ * We don't do normalization for TYPE_PATH here: If
+ * the path is like ~/foobar/, we prefer to store
+ * "~/foobar/" in the config file, and to expand the ~
+ * when retrieving the value.
+ */
+ normalized = xstrdup(value);
+ else {
+ normalized = xmalloc(64);
+ if (types == TYPE_INT) {
+ int v = git_config_int(key, value);
+ sprintf(normalized, "%d", v);
+ }
+ else if (types == TYPE_BOOL)
+ sprintf(normalized, "%s",
+ git_config_bool(key, value) ? "true" : "false");
+ else if (types == TYPE_BOOL_OR_INT) {
+ int is_bool, v;
+ v = git_config_bool_or_int(key, value, &is_bool);
+ if (!is_bool)
+ sprintf(normalized, "%d", v);
+ else
+ sprintf(normalized, "%s", v ? "true" : "false");
+ }
+ }
+
+ return normalized;
+}
+
+static int get_color_found;
+static const char *get_color_slot;
+static const char *get_colorbool_slot;
+static char parsed_color[COLOR_MAXLEN];
+
+static int git_get_color_config(const char *var, const char *value, void *cb)
+{
+ if (!strcmp(var, get_color_slot)) {
+ if (!value)
+ config_error_nonbool(var);
+ color_parse(value, var, parsed_color);
+ get_color_found = 1;
+ }
+ return 0;
+}
+
+static void get_color(const char *def_color)
+{
+ get_color_found = 0;
+ parsed_color[0] = '\0';
+ git_config_with_options(git_get_color_config, NULL,
+ given_config_file, given_config_blob,
+ respect_includes);
+
+ if (!get_color_found && def_color)
+ color_parse(def_color, "command line", parsed_color);
+
+ fputs(parsed_color, stdout);
+}
+
+static int get_colorbool_found;
+static int get_diff_color_found;
+static int get_color_ui_found;
+static int git_get_colorbool_config(const char *var, const char *value,
+ void *cb)
+{
+ if (!strcmp(var, get_colorbool_slot))
+ get_colorbool_found = git_config_colorbool(var, value);
+ else if (!strcmp(var, "diff.color"))
+ get_diff_color_found = git_config_colorbool(var, value);
+ else if (!strcmp(var, "color.ui"))
+ get_color_ui_found = git_config_colorbool(var, value);
+ return 0;
+}
+
+static int get_colorbool(int print)
+{
+ get_colorbool_found = -1;
+ get_diff_color_found = -1;
+ get_color_ui_found = -1;
+ git_config_with_options(git_get_colorbool_config, NULL,
+ given_config_file, given_config_blob,
+ respect_includes);
+
+ if (get_colorbool_found < 0) {
+ if (!strcmp(get_colorbool_slot, "color.diff"))
+ get_colorbool_found = get_diff_color_found;
+ if (get_colorbool_found < 0)
+ get_colorbool_found = get_color_ui_found;
+ }
+
+ if (get_colorbool_found < 0)
+ /* default value if none found in config */
+ get_colorbool_found = GIT_COLOR_AUTO;
+
+ get_colorbool_found = want_color(get_colorbool_found);
+
+ if (print) {
+ printf("%s\n", get_colorbool_found ? "true" : "false");
+ return 0;
+ } else
+ return get_colorbool_found ? 0 : 1;
+}
+
+static void check_blob_write(void)
+{
+ if (given_config_blob)
+ die("writing config blobs is not supported");
+}
+
+int cmd_config(int argc, const char **argv, const char *prefix)
+{
+ int nongit = !startup_info->have_repository;
+ char *value;
+
+ given_config_file = getenv(CONFIG_ENVIRONMENT);
+
+ argc = parse_options(argc, argv, prefix, builtin_config_options,
+ builtin_config_usage,
+ PARSE_OPT_STOP_AT_NON_OPTION);
+
+ if (use_global_config + use_system_config + use_local_config +
+ !!given_config_file + !!given_config_blob > 1) {
+ error("only one config file at a time.");
+ usage_with_options(builtin_config_usage, builtin_config_options);
+ }
+
+ 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_file = xdg_config;
+ else
+ given_config_file = user_config;
+ }
+ else if (use_system_config)
+ given_config_file = git_etc_gitconfig();
+ else if (use_local_config)
+ given_config_file = git_pathdup("config");
+ else if (given_config_file) {
+ if (!is_absolute_path(given_config_file) && prefix)
+ given_config_file =
+ xstrdup(prefix_filename(prefix,
+ strlen(prefix),
+ given_config_file));
+ }
+
+ if (respect_includes == -1)
+ respect_includes = !given_config_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 (get_color_slot)
+ actions |= ACTION_GET_COLOR;
+ if (get_colorbool_slot)
+ actions |= ACTION_GET_COLORBOOL;
+
+ if ((get_color_slot || get_colorbool_slot) && 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_file,
+ given_config_blob,
+ respect_includes) < 0) {
+ if (given_config_file)
+ die_errno("unable to read config file '%s'",
+ given_config_file);
+ else
+ die("error processing config file(s)");
+ }
+ }
+ else if (actions == ACTION_EDIT) {
+ check_argc(argc, 0, 0);
+ if (!given_config_file && nongit)
+ die("not in a git directory");
+ if (given_config_blob)
+ die("editing blobs is not supported");
+ git_config(git_default_config, NULL);
+ launch_editor(given_config_file ?
+ given_config_file : git_path("config"),
+ NULL, NULL);
+ }
+ else if (actions == ACTION_SET) {
+ int ret;
+ check_blob_write();
+ check_argc(argc, 2, 2);
+ value = normalize_value(argv[0], argv[1]);
+ ret = git_config_set_in_file(given_config_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_blob_write();
+ check_argc(argc, 2, 3);
+ value = normalize_value(argv[0], argv[1]);
+ return git_config_set_multivar_in_file(given_config_file,
+ argv[0], value, argv[2], 0);
+ }
+ else if (actions == ACTION_ADD) {
+ check_blob_write();
+ check_argc(argc, 2, 2);
+ value = normalize_value(argv[0], argv[1]);
+ return git_config_set_multivar_in_file(given_config_file,
+ argv[0], value, "^$", 0);
+ }
+ else if (actions == ACTION_REPLACE_ALL) {
+ check_blob_write();
+ check_argc(argc, 2, 3);
+ value = normalize_value(argv[0], argv[1]);
+ return git_config_set_multivar_in_file(given_config_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_UNSET) {
+ check_blob_write();
+ check_argc(argc, 1, 2);
+ if (argc == 2)
+ return git_config_set_multivar_in_file(given_config_file,
+ argv[0], NULL, argv[1], 0);
+ else
+ return git_config_set_in_file(given_config_file,
+ argv[0], NULL);
+ }
+ else if (actions == ACTION_UNSET_ALL) {
+ check_blob_write();
+ check_argc(argc, 1, 2);
+ return git_config_set_multivar_in_file(given_config_file,
+ argv[0], NULL, argv[1], 1);
+ }
+ else if (actions == ACTION_RENAME_SECTION) {
+ int ret;
+ check_blob_write();
+ check_argc(argc, 2, 2);
+ ret = git_config_rename_section_in_file(given_config_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_blob_write();
+ check_argc(argc, 1, 1);
+ ret = git_config_rename_section_in_file(given_config_file,
+ argv[0], NULL);
+ if (ret < 0)
+ return ret;
+ if (ret == 0)
+ die("No such section!");
+ }
+ else if (actions == ACTION_GET_COLOR) {
+ get_color(argv[0]);
+ }
+ else if (actions == ACTION_GET_COLORBOOL) {
+ if (argc == 1)
+ color_stdout_is_tty = git_config_bool("command line", argv[0]);
+ return get_colorbool(argc != 0);
+ }
+
+ return 0;
+}
+
+int cmd_repo_config(int argc, const char **argv, const char *prefix)
+{
+ fprintf(stderr, "WARNING: git repo-config is deprecated in favor of git config.\n");
+ return cmd_config(argc, argv, prefix);
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-11 20:00:36 +0000