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-rw-r--r--builtin/config.c968
1 files changed, 968 insertions, 0 deletions
diff --git a/builtin/config.c b/builtin/config.c
new file mode 100644
index 0000000..f71fa39
--- /dev/null
+++ b/builtin/config.c
@@ -0,0 +1,968 @@
+#include "builtin.h"
+#include "cache.h"
+#include "config.h"
+#include "color.h"
+#include "parse-options.h"
+#include "urlmatch.h"
+#include "quote.h"
+#include "worktree.h"
+
+static const char *const builtin_config_usage[] = {
+ N_("git config [<options>]"),
+ NULL
+};
+
+static char *key;
+static regex_t *key_regexp;
+static const char *value_pattern;
+static regex_t *regexp;
+static int show_keys;
+static int omit_values;
+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 int use_worktree_config;
+static struct git_config_source given_config_source;
+static int actions, type;
+static char *default_value;
+static int end_nul;
+static int respect_includes_opt = -1;
+static struct config_options config_options;
+static int show_origin;
+static int show_scope;
+static int fixed_value;
+
+#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 ACTION_GET_URLMATCH (1<<15)
+
+/*
+ * The actions "ACTION_LIST | ACTION_GET_*" which may produce more than
+ * one line of output and which should therefore be paged.
+ */
+#define PAGING_ACTIONS (ACTION_LIST | ACTION_GET_ALL | \
+ ACTION_GET_REGEXP | ACTION_GET_URLMATCH)
+
+#define TYPE_BOOL 1
+#define TYPE_INT 2
+#define TYPE_BOOL_OR_INT 3
+#define TYPE_PATH 4
+#define TYPE_EXPIRY_DATE 5
+#define TYPE_COLOR 6
+#define TYPE_BOOL_OR_STR 7
+
+#define OPT_CALLBACK_VALUE(s, l, v, h, i) \
+ { OPTION_CALLBACK, (s), (l), (v), NULL, (h), PARSE_OPT_NOARG | \
+ PARSE_OPT_NONEG, option_parse_type, (i) }
+
+static NORETURN void usage_builtin_config(void);
+
+static int option_parse_type(const struct option *opt, const char *arg,
+ int unset)
+{
+ int new_type, *to_type;
+
+ if (unset) {
+ *((int *) opt->value) = 0;
+ return 0;
+ }
+
+ /*
+ * To support '--<type>' style flags, begin with new_type equal to
+ * opt->defval.
+ */
+ new_type = opt->defval;
+ if (!new_type) {
+ if (!strcmp(arg, "bool"))
+ new_type = TYPE_BOOL;
+ else if (!strcmp(arg, "int"))
+ new_type = TYPE_INT;
+ else if (!strcmp(arg, "bool-or-int"))
+ new_type = TYPE_BOOL_OR_INT;
+ else if (!strcmp(arg, "bool-or-str"))
+ new_type = TYPE_BOOL_OR_STR;
+ else if (!strcmp(arg, "path"))
+ new_type = TYPE_PATH;
+ else if (!strcmp(arg, "expiry-date"))
+ new_type = TYPE_EXPIRY_DATE;
+ else if (!strcmp(arg, "color"))
+ new_type = TYPE_COLOR;
+ else
+ die(_("unrecognized --type argument, %s"), arg);
+ }
+
+ to_type = opt->value;
+ if (*to_type && *to_type != new_type) {
+ /*
+ * Complain when there is a new type not equal to the old type.
+ * This allows for combinations like '--int --type=int' and
+ * '--type=int --type=int', but disallows ones like '--type=bool
+ * --int' and '--type=bool
+ * --type=int'.
+ */
+ error(_("only one type at a time"));
+ usage_builtin_config();
+ }
+ *to_type = new_type;
+
+ return 0;
+}
+
+static struct option builtin_config_options[] = {
+ OPT_GROUP(N_("Config file location")),
+ OPT_BOOL(0, "global", &use_global_config, N_("use global config file")),
+ OPT_BOOL(0, "system", &use_system_config, N_("use system config file")),
+ OPT_BOOL(0, "local", &use_local_config, N_("use repository config file")),
+ OPT_BOOL(0, "worktree", &use_worktree_config, N_("use per-worktree config file")),
+ OPT_STRING('f', "file", &given_config_source.file, N_("file"), N_("use given config file")),
+ OPT_STRING(0, "blob", &given_config_source.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-pattern]"), ACTION_GET),
+ OPT_BIT(0, "get-all", &actions, N_("get all values: key [value-pattern]"), ACTION_GET_ALL),
+ OPT_BIT(0, "get-regexp", &actions, N_("get values for regexp: name-regex [value-pattern]"), ACTION_GET_REGEXP),
+ OPT_BIT(0, "get-urlmatch", &actions, N_("get value specific for the URL: section[.var] URL"), ACTION_GET_URLMATCH),
+ OPT_BIT(0, "replace-all", &actions, N_("replace all matching variables: name value [value-pattern]"), 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-pattern]"), ACTION_UNSET),
+ OPT_BIT(0, "unset-all", &actions, N_("remove all matches: name [value-pattern]"), 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_BOOL(0, "fixed-value", &fixed_value, N_("use string equality when comparing values to 'value-pattern'")),
+ OPT_BIT('e', "edit", &actions, N_("open an editor"), ACTION_EDIT),
+ OPT_BIT(0, "get-color", &actions, N_("find the color configured: slot [default]"), ACTION_GET_COLOR),
+ OPT_BIT(0, "get-colorbool", &actions, N_("find the color setting: slot [stdout-is-tty]"), ACTION_GET_COLORBOOL),
+ OPT_GROUP(N_("Type")),
+ OPT_CALLBACK('t', "type", &type, "", N_("value is given this type"), option_parse_type),
+ OPT_CALLBACK_VALUE(0, "bool", &type, N_("value is \"true\" or \"false\""), TYPE_BOOL),
+ OPT_CALLBACK_VALUE(0, "int", &type, N_("value is decimal number"), TYPE_INT),
+ OPT_CALLBACK_VALUE(0, "bool-or-int", &type, N_("value is --bool or --int"), TYPE_BOOL_OR_INT),
+ OPT_CALLBACK_VALUE(0, "bool-or-str", &type, N_("value is --bool or string"), TYPE_BOOL_OR_STR),
+ OPT_CALLBACK_VALUE(0, "path", &type, N_("value is a path (file or directory name)"), TYPE_PATH),
+ OPT_CALLBACK_VALUE(0, "expiry-date", &type, N_("value is an expiry date"), TYPE_EXPIRY_DATE),
+ OPT_GROUP(N_("Other")),
+ OPT_BOOL('z', "null", &end_nul, N_("terminate values with NUL byte")),
+ OPT_BOOL(0, "name-only", &omit_values, N_("show variable names only")),
+ OPT_BOOL(0, "includes", &respect_includes_opt, N_("respect include directives on lookup")),
+ OPT_BOOL(0, "show-origin", &show_origin, N_("show origin of config (file, standard input, blob, command line)")),
+ OPT_BOOL(0, "show-scope", &show_scope, N_("show scope of config (worktree, local, global, system, command)")),
+ OPT_STRING(0, "default", &default_value, N_("value"), N_("with --get, use default value when missing entry")),
+ OPT_END(),
+};
+
+static NORETURN void usage_builtin_config(void)
+{
+ usage_with_options(builtin_config_usage, builtin_config_options);
+}
+
+static void check_argc(int argc, int min, int max)
+{
+ if (argc >= min && argc <= max)
+ return;
+ if (min == max)
+ error(_("wrong number of arguments, should be %d"), min);
+ else
+ error(_("wrong number of arguments, should be from %d to %d"),
+ min, max);
+ usage_builtin_config();
+}
+
+static void show_config_origin(struct strbuf *buf)
+{
+ const char term = end_nul ? '\0' : '\t';
+
+ strbuf_addstr(buf, current_config_origin_type());
+ strbuf_addch(buf, ':');
+ if (end_nul)
+ strbuf_addstr(buf, current_config_name());
+ else
+ quote_c_style(current_config_name(), buf, NULL, 0);
+ strbuf_addch(buf, term);
+}
+
+static void show_config_scope(struct strbuf *buf)
+{
+ const char term = end_nul ? '\0' : '\t';
+ const char *scope = config_scope_name(current_config_scope());
+
+ strbuf_addstr(buf, N_(scope));
+ strbuf_addch(buf, term);
+}
+
+static int show_all_config(const char *key_, const char *value_, void *cb)
+{
+ if (show_origin || show_scope) {
+ struct strbuf buf = STRBUF_INIT;
+ if (show_scope)
+ show_config_scope(&buf);
+ if (show_origin)
+ show_config_origin(&buf);
+ /* Use fwrite as "buf" can contain \0's if "end_null" is set. */
+ fwrite(buf.buf, 1, buf.len, stdout);
+ strbuf_release(&buf);
+ }
+ if (!omit_values && 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 format_config(struct strbuf *buf, const char *key_, const char *value_)
+{
+ if (show_scope)
+ show_config_scope(buf);
+ if (show_origin)
+ show_config_origin(buf);
+ if (show_keys)
+ strbuf_addstr(buf, key_);
+ if (!omit_values) {
+ if (show_keys)
+ strbuf_addch(buf, key_delim);
+
+ if (type == TYPE_INT)
+ strbuf_addf(buf, "%"PRId64,
+ git_config_int64(key_, value_ ? value_ : ""));
+ else if (type == TYPE_BOOL)
+ strbuf_addstr(buf, git_config_bool(key_, value_) ?
+ "true" : "false");
+ else if (type == TYPE_BOOL_OR_INT) {
+ int is_bool, v;
+ v = git_config_bool_or_int(key_, value_, &is_bool);
+ if (is_bool)
+ strbuf_addstr(buf, v ? "true" : "false");
+ else
+ strbuf_addf(buf, "%d", v);
+ } else if (type == TYPE_BOOL_OR_STR) {
+ int v = git_parse_maybe_bool(value_);
+ if (v < 0)
+ strbuf_addstr(buf, value_);
+ else
+ strbuf_addstr(buf, v ? "true" : "false");
+ } else if (type == TYPE_PATH) {
+ const char *v;
+ if (git_config_pathname(&v, key_, value_) < 0)
+ return -1;
+ strbuf_addstr(buf, v);
+ free((char *)v);
+ } else if (type == TYPE_EXPIRY_DATE) {
+ timestamp_t t;
+ if (git_config_expiry_date(&t, key_, value_) < 0)
+ return -1;
+ strbuf_addf(buf, "%"PRItime, t);
+ } else if (type == TYPE_COLOR) {
+ char v[COLOR_MAXLEN];
+ if (git_config_color(v, key_, value_) < 0)
+ return -1;
+ strbuf_addstr(buf, v);
+ } else if (value_) {
+ strbuf_addstr(buf, value_);
+ } else {
+ /* Just show the key name; back out delimiter */
+ if (show_keys)
+ strbuf_setlen(buf, buf->len - 1);
+ }
+ }
+ strbuf_addch(buf, term);
+ return 0;
+}
+
+static int collect_config(const char *key_, const char *value_, void *cb)
+{
+ struct strbuf_list *values = cb;
+
+ if (!use_key_regexp && strcmp(key_, key))
+ return 0;
+ if (use_key_regexp && regexec(key_regexp, key_, 0, NULL, 0))
+ return 0;
+ if (fixed_value && strcmp(value_pattern, (value_?value_:"")))
+ 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);
+ strbuf_init(&values->items[values->nr], 0);
+
+ return format_config(&values->items[values->nr++], key_, value_);
+}
+
+static int get_value(const char *key_, const char *regex_, unsigned flags)
+{
+ 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)) {
+ error(_("invalid key pattern: %s"), key_);
+ FREE_AND_NULL(key_regexp);
+ 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_ && (flags & CONFIG_FLAGS_FIXED_VALUE))
+ value_pattern = regex_;
+ else if (regex_) {
+ if (regex_[0] == '!') {
+ do_not_match = 1;
+ regex_++;
+ }
+
+ regexp = (regex_t*)xmalloc(sizeof(regex_t));
+ if (regcomp(regexp, regex_, REG_EXTENDED)) {
+ error(_("invalid pattern: %s"), regex_);
+ FREE_AND_NULL(regexp);
+ ret = CONFIG_INVALID_PATTERN;
+ goto free_strings;
+ }
+ }
+
+ config_with_options(collect_config, &values,
+ &given_config_source, &config_options);
+
+ if (!values.nr && default_value) {
+ struct strbuf *item;
+ ALLOC_GROW(values.items, values.nr + 1, values.alloc);
+ item = &values.items[values.nr++];
+ strbuf_init(item, 0);
+ if (format_config(item, key_, default_value) < 0)
+ die(_("failed to format default config value: %s"),
+ default_value);
+ }
+
+ 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)
+{
+ if (!value)
+ return NULL;
+
+ if (type == 0 || type == TYPE_PATH || type == TYPE_EXPIRY_DATE)
+ /*
+ * 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.
+ * Also don't do normalization for expiry dates.
+ */
+ return xstrdup(value);
+ if (type == TYPE_INT)
+ return xstrfmt("%"PRId64, git_config_int64(key, value));
+ if (type == TYPE_BOOL)
+ return xstrdup(git_config_bool(key, value) ? "true" : "false");
+ if (type == TYPE_BOOL_OR_INT) {
+ int is_bool, v;
+ v = git_config_bool_or_int(key, value, &is_bool);
+ if (!is_bool)
+ return xstrfmt("%d", v);
+ else
+ return xstrdup(v ? "true" : "false");
+ }
+ if (type == TYPE_BOOL_OR_STR) {
+ int v = git_parse_maybe_bool(value);
+ if (v < 0)
+ return xstrdup(value);
+ else
+ return xstrdup(v ? "true" : "false");
+ }
+ if (type == TYPE_COLOR) {
+ char v[COLOR_MAXLEN];
+ if (git_config_color(v, key, value))
+ die(_("cannot parse color '%s'"), value);
+
+ /*
+ * The contents of `v` now contain an ANSI escape
+ * sequence, not suitable for including within a
+ * configuration file. Treat the above as a
+ * "sanity-check", and return the given value, which we
+ * know is representable as valid color code.
+ */
+ return xstrdup(value);
+ }
+
+ BUG("cannot normalize type %d", type);
+}
+
+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);
+ if (color_parse(value, parsed_color) < 0)
+ return -1;
+ get_color_found = 1;
+ }
+ return 0;
+}
+
+static void get_color(const char *var, const char *def_color)
+{
+ get_color_slot = var;
+ get_color_found = 0;
+ parsed_color[0] = '\0';
+ config_with_options(git_get_color_config, NULL,
+ &given_config_source, &config_options);
+
+ if (!get_color_found && def_color) {
+ if (color_parse(def_color, parsed_color) < 0)
+ die(_("unable to parse default color value"));
+ }
+
+ 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(const char *var, int print)
+{
+ get_colorbool_slot = var;
+ get_colorbool_found = -1;
+ get_diff_color_found = -1;
+ get_color_ui_found = -1;
+ config_with_options(git_get_colorbool_config, NULL,
+ &given_config_source, &config_options);
+
+ 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_write(void)
+{
+ if (!given_config_source.file && !startup_info->have_repository)
+ die(_("not in a git directory"));
+
+ if (given_config_source.use_stdin)
+ die(_("writing to stdin is not supported"));
+
+ if (given_config_source.blob)
+ die(_("writing config blobs is not supported"));
+}
+
+struct urlmatch_current_candidate_value {
+ char value_is_null;
+ struct strbuf value;
+};
+
+static int urlmatch_collect_fn(const char *var, const char *value, void *cb)
+{
+ struct string_list *values = cb;
+ struct string_list_item *item = string_list_insert(values, var);
+ struct urlmatch_current_candidate_value *matched = item->util;
+
+ if (!matched) {
+ matched = xmalloc(sizeof(*matched));
+ strbuf_init(&matched->value, 0);
+ item->util = matched;
+ } else {
+ strbuf_reset(&matched->value);
+ }
+
+ if (value) {
+ strbuf_addstr(&matched->value, value);
+ matched->value_is_null = 0;
+ } else {
+ matched->value_is_null = 1;
+ }
+ return 0;
+}
+
+static int get_urlmatch(const char *var, const char *url)
+{
+ int ret;
+ char *section_tail;
+ struct string_list_item *item;
+ struct urlmatch_config config = { STRING_LIST_INIT_DUP };
+ struct string_list values = STRING_LIST_INIT_DUP;
+
+ config.collect_fn = urlmatch_collect_fn;
+ config.cascade_fn = NULL;
+ config.cb = &values;
+
+ if (!url_normalize(url, &config.url))
+ die("%s", config.url.err);
+
+ config.section = xstrdup_tolower(var);
+ section_tail = strchr(config.section, '.');
+ if (section_tail) {
+ *section_tail = '\0';
+ config.key = section_tail + 1;
+ show_keys = 0;
+ } else {
+ config.key = NULL;
+ show_keys = 1;
+ }
+
+ config_with_options(urlmatch_config_entry, &config,
+ &given_config_source, &config_options);
+
+ ret = !values.nr;
+
+ for_each_string_list_item(item, &values) {
+ struct urlmatch_current_candidate_value *matched = item->util;
+ struct strbuf buf = STRBUF_INIT;
+
+ format_config(&buf, item->string,
+ matched->value_is_null ? NULL : matched->value.buf);
+ fwrite(buf.buf, 1, buf.len, stdout);
+ strbuf_release(&buf);
+
+ strbuf_release(&matched->value);
+ }
+ string_list_clear(&config.vars, 1);
+ string_list_clear(&values, 1);
+ free(config.url.url);
+
+ free((void *)config.section);
+ return ret;
+}
+
+static char *default_user_config(void)
+{
+ struct strbuf buf = STRBUF_INIT;
+ strbuf_addf(&buf,
+ _("# This is Git's per-user configuration file.\n"
+ "[user]\n"
+ "# Please adapt and uncomment the following lines:\n"
+ "# name = %s\n"
+ "# email = %s\n"),
+ ident_default_name(),
+ ident_default_email());
+ return strbuf_detach(&buf, NULL);
+}
+
+int cmd_config(int argc, const char **argv, const char *prefix)
+{
+ int nongit = !startup_info->have_repository;
+ char *value;
+ int flags = 0;
+
+ given_config_source.file = xstrdup_or_null(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 +
+ use_worktree_config +
+ !!given_config_source.file + !!given_config_source.blob > 1) {
+ error(_("only one config file at a time"));
+ usage_builtin_config();
+ }
+
+ if (nongit) {
+ if (use_local_config)
+ die(_("--local can only be used inside a git repository"));
+ if (given_config_source.blob)
+ die(_("--blob can only be used inside a git repository"));
+ if (use_worktree_config)
+ die(_("--worktree can only be used inside a git repository"));
+
+ }
+
+ if (given_config_source.file &&
+ !strcmp(given_config_source.file, "-")) {
+ given_config_source.file = NULL;
+ given_config_source.use_stdin = 1;
+ given_config_source.scope = CONFIG_SCOPE_COMMAND;
+ }
+
+ if (use_global_config) {
+ char *user_config = expand_user_path("~/.gitconfig", 0);
+ char *xdg_config = xdg_config_home("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"));
+
+ given_config_source.scope = CONFIG_SCOPE_GLOBAL;
+
+ 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;
+ free(user_config);
+ } else {
+ given_config_source.file = user_config;
+ free(xdg_config);
+ }
+ }
+ else if (use_system_config) {
+ given_config_source.file = git_etc_gitconfig();
+ given_config_source.scope = CONFIG_SCOPE_SYSTEM;
+ } else if (use_local_config) {
+ given_config_source.file = git_pathdup("config");
+ given_config_source.scope = CONFIG_SCOPE_LOCAL;
+ } else if (use_worktree_config) {
+ struct worktree **worktrees = get_worktrees();
+ if (repository_format_worktree_config)
+ given_config_source.file = git_pathdup("config.worktree");
+ else if (worktrees[0] && worktrees[1])
+ die(_("--worktree cannot be used with multiple "
+ "working trees unless the config\n"
+ "extension worktreeConfig is enabled. "
+ "Please read \"CONFIGURATION FILE\"\n"
+ "section in \"git help worktree\" for details"));
+ else
+ given_config_source.file = git_pathdup("config");
+ given_config_source.scope = CONFIG_SCOPE_LOCAL;
+ free_worktrees(worktrees);
+ } else if (given_config_source.file) {
+ if (!is_absolute_path(given_config_source.file) && prefix)
+ given_config_source.file =
+ prefix_filename(prefix, given_config_source.file);
+ given_config_source.scope = CONFIG_SCOPE_COMMAND;
+ } else if (given_config_source.blob) {
+ given_config_source.scope = CONFIG_SCOPE_COMMAND;
+ }
+
+
+ if (respect_includes_opt == -1)
+ config_options.respect_includes = !given_config_source.file;
+ else
+ config_options.respect_includes = respect_includes_opt;
+ if (!nongit) {
+ config_options.commondir = get_git_common_dir();
+ config_options.git_dir = get_git_dir();
+ }
+
+ if (end_nul) {
+ term = '\0';
+ delim = '\n';
+ key_delim = '\n';
+ }
+
+ if ((actions & (ACTION_GET_COLOR|ACTION_GET_COLORBOOL)) && type) {
+ error(_("--get-color and variable type are incoherent"));
+ usage_builtin_config();
+ }
+
+ if (HAS_MULTI_BITS(actions)) {
+ error(_("only one action at a time"));
+ usage_builtin_config();
+ }
+ 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_builtin_config();
+ }
+ if (omit_values &&
+ !(actions == ACTION_LIST || actions == ACTION_GET_REGEXP)) {
+ error(_("--name-only is only applicable to --list or --get-regexp"));
+ usage_builtin_config();
+ }
+
+ if (show_origin && !(actions &
+ (ACTION_GET|ACTION_GET_ALL|ACTION_GET_REGEXP|ACTION_LIST))) {
+ error(_("--show-origin is only applicable to --get, --get-all, "
+ "--get-regexp, and --list"));
+ usage_builtin_config();
+ }
+
+ if (default_value && !(actions & ACTION_GET)) {
+ error(_("--default is only applicable to --get"));
+ usage_builtin_config();
+ }
+
+ /* check usage of --fixed-value */
+ if (fixed_value) {
+ int allowed_usage = 0;
+
+ switch (actions) {
+ /* git config --get <name> <value-pattern> */
+ case ACTION_GET:
+ /* git config --get-all <name> <value-pattern> */
+ case ACTION_GET_ALL:
+ /* git config --get-regexp <name-pattern> <value-pattern> */
+ case ACTION_GET_REGEXP:
+ /* git config --unset <name> <value-pattern> */
+ case ACTION_UNSET:
+ /* git config --unset-all <name> <value-pattern> */
+ case ACTION_UNSET_ALL:
+ allowed_usage = argc > 1 && !!argv[1];
+ break;
+
+ /* git config <name> <value> <value-pattern> */
+ case ACTION_SET_ALL:
+ /* git config --replace-all <name> <value> <value-pattern> */
+ case ACTION_REPLACE_ALL:
+ allowed_usage = argc > 2 && !!argv[2];
+ break;
+
+ /* other options don't allow --fixed-value */
+ }
+
+ if (!allowed_usage) {
+ error(_("--fixed-value only applies with 'value-pattern'"));
+ usage_builtin_config();
+ }
+
+ flags |= CONFIG_FLAGS_FIXED_VALUE;
+ }
+
+ if (actions & PAGING_ACTIONS)
+ setup_auto_pager("config", 1);
+
+ if (actions == ACTION_LIST) {
+ check_argc(argc, 0, 0);
+ if (config_with_options(show_all_config, NULL,
+ &given_config_source,
+ &config_options) < 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 = given_config_source.file ?
+ xstrdup(given_config_source.file) :
+ git_pathdup("config");
+ if (use_global_config) {
+ int fd = open(config_file, O_CREAT | O_EXCL | O_WRONLY, 0666);
+ if (fd >= 0) {
+ 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]);
+ UNLEAK(value);
+ ret = git_config_set_in_file_gently(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]);
+ UNLEAK(value);
+ return git_config_set_multivar_in_file_gently(given_config_source.file,
+ argv[0], value, argv[2],
+ flags);
+ }
+ else if (actions == ACTION_ADD) {
+ check_write();
+ check_argc(argc, 2, 2);
+ value = normalize_value(argv[0], argv[1]);
+ UNLEAK(value);
+ return git_config_set_multivar_in_file_gently(given_config_source.file,
+ argv[0], value,
+ CONFIG_REGEX_NONE,
+ flags);
+ }
+ else if (actions == ACTION_REPLACE_ALL) {
+ check_write();
+ check_argc(argc, 2, 3);
+ value = normalize_value(argv[0], argv[1]);
+ UNLEAK(value);
+ return git_config_set_multivar_in_file_gently(given_config_source.file,
+ argv[0], value, argv[2],
+ flags | CONFIG_FLAGS_MULTI_REPLACE);
+ }
+ else if (actions == ACTION_GET) {
+ check_argc(argc, 1, 2);
+ return get_value(argv[0], argv[1], flags);
+ }
+ else if (actions == ACTION_GET_ALL) {
+ do_all = 1;
+ check_argc(argc, 1, 2);
+ return get_value(argv[0], argv[1], flags);
+ }
+ 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], flags);
+ }
+ 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_gently(given_config_source.file,
+ argv[0], NULL, argv[1],
+ flags);
+ else
+ return git_config_set_in_file_gently(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_gently(given_config_source.file,
+ argv[0], NULL, argv[1],
+ flags | CONFIG_FLAGS_MULTI_REPLACE);
+ }
+ 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: %s"), argv[0]);
+ }
+ 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: %s"), argv[0]);
+ }
+ 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;
+}