builtin/receive-pack: convert portions to struct object_id

diff --git a/path.c b/path.c
index efcedafba6f2c0cae218f2d32425c13272df8dea..22248436bfd392369cb81e644d12a4559a554693 100644 (file)
--- a/path.c
+++ b/path.c
@@ -1272,6 +1272,21 @@ char *xdg_config_home(const char *filename)
        return NULL;
 }
 
+char *xdg_cache_home(const char *filename)
+{
+       const char *home, *cache_home;
+
+       assert(filename);
+       cache_home = getenv("XDG_CACHE_HOME");
+       if (cache_home && *cache_home)
+               return mkpathdup("%s/git/%s", cache_home, filename);
+
+       home = getenv("HOME");
+       if (home)
+               return mkpathdup("%s/.cache/git/%s", home, filename);
+       return NULL;
+}
+
 GIT_PATH_FUNC(git_path_cherry_pick_head, "CHERRY_PICK_HEAD")
 GIT_PATH_FUNC(git_path_revert_head, "REVERT_HEAD")
 GIT_PATH_FUNC(git_path_squash_msg, "SQUASH_MSG")