update-ref.c: extract a new function, parse_next_sha1()
[gitweb.git] / builtin / config.c
index 92ebf23f0a9aa0e052ad68d60e17d0783f633a1c..5677c942b6936f3332b1b4ed12541f45c4228dfb 100644 (file)
@@ -21,8 +21,7 @@ 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 struct git_config_source given_config_source;
 static int actions, types;
 static const char *get_color_slot, *get_colorbool_slot;
 static int end_null;
@@ -55,8 +54,8 @@ static struct option builtin_config_options[] = {
        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_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_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-regex]"), ACTION_GET),
        OPT_BIT(0, "get-all", &actions, N_("get all values: key [value-regex]"), ACTION_GET_ALL),
@@ -224,8 +223,7 @@ static int get_value(const char *key_, const char *regex_)
        }
 
        git_config_with_options(collect_config, &values,
-                               given_config_file, given_config_blob,
-                               respect_includes);
+                               &given_config_source, respect_includes);
 
        ret = !values.nr;
 
@@ -309,8 +307,7 @@ 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);
+                               &given_config_source, respect_includes);
 
        if (!get_color_found && def_color)
                color_parse(def_color, "command line", parsed_color);
@@ -339,8 +336,7 @@ static int get_colorbool(int print)
        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);
+                               &given_config_source, respect_includes);
 
        if (get_colorbool_found < 0) {
                if (!strcmp(get_colorbool_slot, "color.diff"))
@@ -362,9 +358,12 @@ static int get_colorbool(int print)
                return get_colorbool_found ? 0 : 1;
 }
 
-static void check_blob_write(void)
+static void check_write(void)
 {
-       if (given_config_blob)
+       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");
 }
 
@@ -435,7 +434,7 @@ static int get_urlmatch(const char *var, const char *url)
        }
 
        git_config_with_options(urlmatch_config_entry, &config,
-                               given_config_file, NULL, respect_includes);
+                               &given_config_source, respect_includes);
 
        for_each_string_list_item(item, &values) {
                struct urlmatch_current_candidate_value *matched = item->util;
@@ -464,18 +463,24 @@ 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);
+       given_config_source.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) {
+           !!given_config_source.file + !!given_config_source.blob > 1) {
                error("only one config file at a time.");
                usage_with_options(builtin_config_usage, builtin_config_options);
        }
 
+       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;
@@ -493,24 +498,24 @@ int cmd_config(int argc, const char **argv, const char *prefix)
 
                if (access_or_warn(user_config, R_OK, 0) &&
                    xdg_config && !access_or_warn(xdg_config, R_OK, 0))
-                       given_config_file = xdg_config;
+                       given_config_source.file = xdg_config;
                else
-                       given_config_file = user_config;
+                       given_config_source.file = user_config;
        }
        else if (use_system_config)
-               given_config_file = git_etc_gitconfig();
+               given_config_source.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 =
+               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_file));
+                                                       given_config_source.file));
        }
 
        if (respect_includes == -1)
-               respect_includes = !given_config_file;
+               respect_includes = !given_config_source.file;
 
        if (end_null) {
                term = '\0';
@@ -549,57 +554,58 @@ int cmd_config(int argc, const char **argv, const char *prefix)
        if (actions == ACTION_LIST) {
                check_argc(argc, 0, 0);
                if (git_config_with_options(show_all_config, NULL,
-                                           given_config_file,
-                                           given_config_blob,
+                                           &given_config_source,
                                            respect_includes) < 0) {
-                       if (given_config_file)
+                       if (given_config_source.file)
                                die_errno("unable to read config file '%s'",
-                                         given_config_file);
+                                         given_config_source.file);
                        else
                                die("error processing config file(s)");
                }
        }
        else if (actions == ACTION_EDIT) {
                check_argc(argc, 0, 0);
-               if (!given_config_file && nongit)
+               if (!given_config_source.file && nongit)
                        die("not in a git directory");
-               if (given_config_blob)
+               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);
-               launch_editor(given_config_file ?
-                             given_config_file : git_path("config"),
+               launch_editor(given_config_source.file ?
+                             given_config_source.file : git_path("config"),
                              NULL, NULL);
        }
        else if (actions == ACTION_SET) {
                int ret;
-               check_blob_write();
+               check_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);
+               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_blob_write();
+               check_write();
                check_argc(argc, 2, 3);
                value = normalize_value(argv[0], argv[1]);
-               return git_config_set_multivar_in_file(given_config_file,
+               return git_config_set_multivar_in_file(given_config_source.file,
                                                       argv[0], value, argv[2], 0);
        }
        else if (actions == ACTION_ADD) {
-               check_blob_write();
+               check_write();
                check_argc(argc, 2, 2);
                value = normalize_value(argv[0], argv[1]);
-               return git_config_set_multivar_in_file(given_config_file,
+               return git_config_set_multivar_in_file(given_config_source.file,
                                                       argv[0], value, "^$", 0);
        }
        else if (actions == ACTION_REPLACE_ALL) {
-               check_blob_write();
+               check_write();
                check_argc(argc, 2, 3);
                value = normalize_value(argv[0], argv[1]);
-               return git_config_set_multivar_in_file(given_config_file,
+               return git_config_set_multivar_in_file(given_config_source.file,
                                                       argv[0], value, argv[2], 1);
        }
        else if (actions == ACTION_GET) {
@@ -623,26 +629,26 @@ int cmd_config(int argc, const char **argv, const char *prefix)
                return get_urlmatch(argv[0], argv[1]);
        }
        else if (actions == ACTION_UNSET) {
-               check_blob_write();
+               check_write();
                check_argc(argc, 1, 2);
                if (argc == 2)
-                       return git_config_set_multivar_in_file(given_config_file,
+                       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_file,
+                       return git_config_set_in_file(given_config_source.file,
                                                      argv[0], NULL);
        }
        else if (actions == ACTION_UNSET_ALL) {
-               check_blob_write();
+               check_write();
                check_argc(argc, 1, 2);
-               return git_config_set_multivar_in_file(given_config_file,
+               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_blob_write();
+               check_write();
                check_argc(argc, 2, 2);
-               ret = git_config_rename_section_in_file(given_config_file,
+               ret = git_config_rename_section_in_file(given_config_source.file,
                                                        argv[0], argv[1]);
                if (ret < 0)
                        return ret;
@@ -651,9 +657,9 @@ int cmd_config(int argc, const char **argv, const char *prefix)
        }
        else if (actions == ACTION_REMOVE_SECTION) {
                int ret;
-               check_blob_write();
+               check_write();
                check_argc(argc, 1, 1);
-               ret = git_config_rename_section_in_file(given_config_file,
+               ret = git_config_rename_section_in_file(given_config_source.file,
                                                        argv[0], NULL);
                if (ret < 0)
                        return ret;