Add git_config_early()

This version of git_config() will be used during repository setup.
As a repository is being set up, $GIT_DIR is not nailed down yet,
git_pathdup() should not be used to get $GIT_DIR/config.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/cache.h b/cache.h
index d1bee5d5186c4f1369d66c14a5ad49c5e36f7bf8..123dd4bb93ebfd387a79bd6a4ccf012257a8b0b0 100644 (file)
--- a/cache.h
+++ b/cache.h
@@ -986,6 +986,7 @@ extern int git_config_parse_parameter(const char *text);
 extern int git_config_parse_environment(void);
 extern int git_config_from_parameters(config_fn_t fn, void *data);
 extern int git_config(config_fn_t fn, void *);
+extern int git_config_early(config_fn_t fn, void *, const char *repo_config);
 extern int git_parse_ulong(const char *, unsigned long *);
 extern int git_config_int(const char *, const char *);
 extern unsigned long git_config_ulong(const char *, const char *);

diff --git a/config.c b/config.c
index 4b0a82040e7982ab936ed52b2bb3405bc85b80f8..c431f41c5a0d0645a53242e046350ff95a8b48f5 100644 (file)
--- a/config.c
+++ b/config.c
@@ -835,10 +835,9 @@ int git_config_from_parameters(config_fn_t fn, void *data)
        return 0;
 }
 
-int git_config(config_fn_t fn, void *data)
+int git_config_early(config_fn_t fn, void *data, const char *repo_config)
 {
        int ret = 0, found = 0;
-       char *repo_config = NULL;
        const char *home = NULL;
 
        /* Setting $GIT_CONFIG makes git read _only_ the given config file. */
@@ -860,12 +859,10 @@ int git_config(config_fn_t fn, void *data)
                free(user_config);
        }
 
-       repo_config = git_pathdup("config");
-       if (!access(repo_config, R_OK)) {
+       if (repo_config && !access(repo_config, R_OK)) {
                ret += git_config_from_file(fn, repo_config, data);
                found += 1;
        }
-       free(repo_config);
 
        ret += git_config_from_parameters(fn, data);
        if (config_parameters)
@@ -876,6 +873,18 @@ int git_config(config_fn_t fn, void *data)
        return ret;
 }
 
+int git_config(config_fn_t fn, void *data)
+{
+       char *repo_config = NULL;
+       int ret;
+
+       repo_config = git_pathdup("config");
+       ret = git_config_early(fn, data, repo_config);
+       if (repo_config)
+               free(repo_config);
+       return ret;
+}
+
 /*
  * Find all the stuff for git_config_set() below.
  */