cherry-pick: add --allow-empty-message option

diff --git a/builtin/prune.c b/builtin/prune.c
index 6b39d3fdebcc1a2e105da277e2b34956ebddf1d4..b99b635e44f6145395b5c761505099c0a0f5b6cc 100644 (file)
--- a/builtin/prune.c
+++ b/builtin/prune.c
@@ -15,6 +15,7 @@ static const char * const prune_usage[] = {
 static int show_only;
 static int verbose;
 static unsigned long expire;
+static int show_progress = -1;
 
 static int prune_tmp_object(const char *path, const char *filename)
 {
@@ -84,9 +85,9 @@ static int prune_dir(int i, char *path)
                }
                fprintf(stderr, "bad sha1 file: %s/%s\n", path, de->d_name);
        }
+       closedir(dir);
        if (!show_only)
                rmdir(path);
-       closedir(dir);
        return 0;
 }
 
@@ -125,10 +126,11 @@ static void remove_temporary_files(const char *path)
 int cmd_prune(int argc, const char **argv, const char *prefix)
 {
        struct rev_info revs;
-       struct progress *progress;
+       struct progress *progress = NULL;
        const struct option options[] = {
                OPT__DRY_RUN(&show_only, "do not remove, show only"),
                OPT__VERBOSE(&verbose, "report pruned objects"),
+               OPT_BOOL(0, "progress", &show_progress, "show progress"),
                OPT_DATE(0, "expire", &expire,
                         "expire objects older than <time>"),
                OPT_END()
@@ -154,7 +156,12 @@ int cmd_prune(int argc, const char **argv, const char *prefix)
                else
                        die("unrecognized argument: %s", name);
        }
-       progress = start_progress_delay("Checking connectivity", 0, 0, 2);
+
+       if (show_progress == -1)
+               show_progress = isatty(2);
+       if (show_progress)
+               progress = start_progress_delay("Checking connectivity", 0, 0, 2);
+
        mark_reachable_objects(&revs, 1, progress);
        stop_progress(&progress);
        prune_object_dir(get_object_directory());