branch: no detached HEAD check when editing another branch's description

diff --git a/builtin/config.c b/builtin/config.c
index 8cd08da99122bc79025d2a78204d316f1b7ba478..442ccc2497c4e2e889d9de55359e36a1db07c1a4 100644 (file)
--- a/builtin/config.c
+++ b/builtin/config.c
@@ -160,7 +160,7 @@ static int show_config(const char *key_, const char *value_, void *cb)
 
 static int get_value(const char *key_, const char *regex_)
 {
-       int ret = -1;
+       int ret = CONFIG_GENERIC_ERROR;
        char *global = NULL, *xdg = NULL, *repo_config = NULL;
        const char *system_wide = NULL, *local;
        struct config_include_data inc = CONFIG_INCLUDE_INIT;
@@ -196,11 +196,14 @@ static int get_value(const char *key_, const char *regex_)
                if (regcomp(key_regexp, key, REG_EXTENDED)) {
                        fprintf(stderr, "Invalid key pattern: %s\n", key_);
                        free(key);
+                       ret = CONFIG_INVALID_PATTERN;
                        goto free_strings;
                }
        } else {
-               if (git_config_parse_key(key_, &key, NULL))
+               if (git_config_parse_key(key_, &key, NULL)) {
+                       ret = CONFIG_INVALID_KEY;
                        goto free_strings;
+               }
        }
 
        if (regex_) {
@@ -212,6 +215,7 @@ static int get_value(const char *key_, const char *regex_)
                regexp = (regex_t*)xmalloc(sizeof(regex_t));
                if (regcomp(regexp, regex_, REG_EXTENDED)) {
                        fprintf(stderr, "Invalid pattern: %s\n", regex_);
+                       ret = CONFIG_INVALID_PATTERN;
                        goto free_strings;
                }
        }
@@ -396,8 +400,8 @@ int cmd_config(int argc, const char **argv, const char *prefix)
                         */
                        die("$HOME not set");
 
-               if (access(user_config, R_OK) &&
-                   xdg_config && !access(xdg_config, R_OK))
+               if (access_or_warn(user_config, R_OK) &&
+                   xdg_config && !access_or_warn(xdg_config, R_OK))
                        given_config_file = xdg_config;
                else
                        given_config_file = user_config;