builtin-prune: memory diet.

diff --git a/environment.c b/environment.c
index 6df647862c60c5b76540f3038ce37f8a5dcc37c9..a1502c4e87c0067c8cc276006317005a0da21a49 100644 (file)
--- a/environment.c
+++ b/environment.c
@@ -11,17 +11,24 @@
 
 char git_default_email[MAX_GITNAME];
 char git_default_name[MAX_GITNAME];
+int use_legacy_headers = 1;
 int trust_executable_bit = 1;
-int assume_unchanged = 0;
-int only_use_symrefs = 0;
+int assume_unchanged;
+int prefer_symlink_refs;
+int log_all_ref_updates;
 int warn_ambiguous_refs = 1;
-int repository_format_version = 0;
-char git_commit_encoding[MAX_ENCODING_LENGTH] = "utf-8";
-int shared_repository = 0;
-const char *apply_default_whitespace = NULL;
+int repository_format_version;
+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 const char *git_dir;
+static char *git_object_dir, *git_index_file, *git_refs_dir, *git_graft_file;
 
-static char *git_dir, *git_object_dir, *git_index_file, *git_refs_dir,
-       *git_graft_file;
 static void setup_git_env(void)
 {
        git_dir = getenv(GIT_DIR_ENVIRONMENT);
@@ -41,10 +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();