path: implement common_dir handling in git_pathdup_submodule()

diff --git a/rerere.c b/rerere.c
index 94aea9a36f16d9d72c1769aa9e258c5370c7dc84..6a517aa383b75512ba77592616e084d74647b491 100644 (file)
--- a/rerere.c
+++ b/rerere.c
@@ -20,8 +20,6 @@ static int rerere_enabled = -1;
 /* automatically update cleanly resolved paths to the index */
 static int rerere_autoupdate;
 
-static char *merge_rr_path;
-
 const char *rerere_path(const char *hex, const char *file)
 {
        return git_path("rr-cache/%s/%s", hex, file);
@@ -37,7 +35,7 @@ static void read_rr(struct string_list *rr)
 {
        unsigned char sha1[20];
        char buf[PATH_MAX];
-       FILE *in = fopen(merge_rr_path, "r");
+       FILE *in = fopen(git_path_merge_rr(), "r");
        if (!in)
                return;
        while (fread(buf, 40, 1, in) == 1) {
@@ -577,21 +575,21 @@ static void git_rerere_config(void)
        git_config(git_default_config, NULL);
 }
 
+static GIT_PATH_FUNC(git_path_rr_cache, "rr-cache")
+
 static int is_rerere_enabled(void)
 {
-       const char *rr_cache;
        int rr_cache_exists;
 
        if (!rerere_enabled)
                return 0;
 
-       rr_cache = git_path("rr-cache");
-       rr_cache_exists = is_directory(rr_cache);
+       rr_cache_exists = is_directory(git_path_rr_cache());
        if (rerere_enabled < 0)
                return rr_cache_exists;
 
-       if (!rr_cache_exists && mkdir_in_gitdir(rr_cache))
-               die("Could not create directory %s", rr_cache);
+       if (!rr_cache_exists && mkdir_in_gitdir(git_path_rr_cache()))
+               die("Could not create directory %s", git_path_rr_cache());
        return 1;
 }
 
@@ -605,8 +603,7 @@ int setup_rerere(struct string_list *merge_rr, int flags)
 
        if (flags & (RERERE_AUTOUPDATE|RERERE_NOAUTOUPDATE))
                rerere_autoupdate = !!(flags & RERERE_AUTOUPDATE);
-       merge_rr_path = git_pathdup("MERGE_RR");
-       fd = hold_lock_file_for_update(&write_lock, merge_rr_path,
+       fd = hold_lock_file_for_update(&write_lock, git_path_merge_rr(),
                                       LOCK_DIE_ON_ERROR);
        read_rr(merge_rr);
        return fd;
@@ -741,5 +738,5 @@ void rerere_clear(struct string_list *merge_rr)
                if (!has_rerere_resolution(name))
                        unlink_rr_item(name);
        }
-       unlink_or_warn(git_path("MERGE_RR"));
+       unlink_or_warn(git_path_merge_rr());
 }