config: add helper function for parsing key names

[thirdparty/git.git] / config.c

diff --git a/config.c b/config.c
index fb3f8681eed21ee81cfe36296c438ed135b98485..11bd4d8058532b91eea2dcd5264497d4949557bd 100644 (file)
--- a/config.c
+++ b/config.c
@@ -58,7 +58,7 @@ static int handle_path_include(const char *path, struct config_include_data *inc
                path = buf.buf;
        }
 
-       if (!access_or_warn(path, R_OK)) {
+       if (!access_or_die(path, R_OK)) {
                if (++inc->depth > MAX_INCLUDE_DEPTH)
                        die(include_depth_advice, MAX_INCLUDE_DEPTH, path,
                            cf && cf->name ? cf->name : "the command line");
@@ -839,6 +839,8 @@ static int git_default_mailmap_config(const char *var, const char *value)
 {
        if (!strcmp(var, "mailmap.file"))
                return git_config_string(&git_mailmap_file, var, value);
+       if (!strcmp(var, "mailmap.blob"))
+               return git_config_string(&git_mailmap_blob, var, value);
 
        /* Add other config variables here and to Documentation/config.txt. */
        return 0;
@@ -938,23 +940,23 @@ int git_config_early(config_fn_t fn, void *data, const char *repo_config)
 
        home_config_paths(&user_config, &xdg_config, "config");
 
-       if (git_config_system() && !access_or_warn(git_etc_gitconfig(), R_OK)) {
+       if (git_config_system() && !access_or_die(git_etc_gitconfig(), R_OK)) {
                ret += git_config_from_file(fn, git_etc_gitconfig(),
                                            data);
                found += 1;
        }
 
-       if (xdg_config && !access_or_warn(xdg_config, R_OK)) {
+       if (xdg_config && !access_or_die(xdg_config, R_OK)) {
                ret += git_config_from_file(fn, xdg_config, data);
                found += 1;
        }
 
-       if (user_config && !access_or_warn(user_config, R_OK)) {
+       if (user_config && !access_or_die(user_config, R_OK)) {
                ret += git_config_from_file(fn, user_config, data);
                found += 1;
        }
 
-       if (repo_config && !access_or_warn(repo_config, R_OK)) {
+       if (repo_config && !access_or_die(repo_config, R_OK)) {
                ret += git_config_from_file(fn, repo_config, data);
                found += 1;
        }
@@ -1660,7 +1662,41 @@ int git_config_rename_section(const char *old_name, const char *new_name)
  * Call this to report error for your variable that should not
  * get a boolean value (i.e. "[my] var" means "true").
  */
+#undef config_error_nonbool
 int config_error_nonbool(const char *var)
 {
        return error("Missing value for '%s'", var);
 }
+
+int parse_config_key(const char *var,
+                    const char *section,
+                    const char **subsection, int *subsection_len,
+                    const char **key)
+{
+       int section_len = strlen(section);
+       const char *dot;
+
+       /* Does it start with "section." ? */
+       if (prefixcmp(var, section) || var[section_len] != '.')
+               return -1;
+
+       /*
+        * Find the key; we don't know yet if we have a subsection, but we must
+        * parse backwards from the end, since the subsection may have dots in
+        * it, too.
+        */
+       dot = strrchr(var, '.');
+       *key = dot + 1;
+
+       /* Did we have a subsection at all? */
+       if (dot == var + section_len) {
+               *subsection = NULL;
+               *subsection_len = 0;
+       }
+       else {
+               *subsection = var + section_len + 1;
+               *subsection_len = dot - *subsection;
+       }
+
+       return 0;
+}