builtin-prune: memory diet.

diff --git a/environment.c b/environment.c
index e6bd0033b4666f52dc756b6e2b0d5a1745b0c6b9..a1502c4e87c0067c8cc276006317005a0da21a49 100644 (file)
--- a/environment.c
+++ b/environment.c
@@ -18,15 +18,17 @@ int prefer_symlink_refs;
 int log_all_ref_updates;
 int warn_ambiguous_refs = 1;
 int repository_format_version;
-char git_commit_encoding[MAX_ENCODING_LENGTH] = "utf-8";
+char *git_commit_encoding;
+char *git_log_output_encoding;
 int shared_repository = PERM_UMASK;
 const char *apply_default_whitespace;
 int zlib_compression_level = Z_DEFAULT_COMPRESSION;
 int pager_in_use;
 int pager_use_color = 1;
 
-static char *git_dir, *git_object_dir, *git_index_file, *git_refs_dir,
-       *git_graft_file;
+static const char *git_dir;
+static char *git_object_dir, *git_index_file, *git_refs_dir, *git_graft_file;
+
 static void setup_git_env(void)
 {
        git_dir = getenv(GIT_DIR_ENVIRONMENT);
@@ -46,10 +48,20 @@ static void setup_git_env(void)
        }
        git_graft_file = getenv(GRAFT_ENVIRONMENT);
        if (!git_graft_file)
-               git_graft_file = strdup(git_path("info/grafts"));
+               git_graft_file = xstrdup(git_path("info/grafts"));
+       log_all_ref_updates = !is_bare_git_dir(git_dir);
+}
+
+int is_bare_git_dir (const char *dir)
+{
+       const char *s;
+       if (!strcmp(dir, DEFAULT_GIT_DIR_ENVIRONMENT))
+               return 0;
+       s = strrchr(dir, '/');
+       return !s || strcmp(s + 1, DEFAULT_GIT_DIR_ENVIRONMENT);
 }
 
-char *get_git_dir(void)
+const char *get_git_dir(void)
 {
        if (!git_dir)
                setup_git_env();