stash: Don't overwrite files that have gone from the index

diff --git a/builtin-prune-packed.c b/builtin-prune-packed.c
index 2d5b2cd353a5e80a74e3828aae8e0c7dfa0e1997..f9463deec2f5a5875ee9870e67c990a2fea942db 100644 (file)
--- a/builtin-prune-packed.c
+++ b/builtin-prune-packed.c
@@ -1,9 +1,12 @@
 #include "builtin.h"
 #include "cache.h"
 #include "progress.h"
+#include "parse-options.h"
 
-static const char prune_packed_usage[] =
-"git prune-packed [-n] [-q]";
+static const char * const prune_packed_usage[] = {
+       "git prune-packed [-n|--dry-run] [-q|--quiet]",
+       NULL
+};
 
 #define DRY_RUN 01
 #define VERBOSE 02
@@ -28,8 +31,8 @@ static void prune_dir(int i, DIR *dir, char *pathname, int len, int opts)
                memcpy(pathname + len, de->d_name, 38);
                if (opts & DRY_RUN)
                        printf("rm -f %s\n", pathname);
-               else if (unlink(pathname) < 0)
-                       error("unable to unlink %s", pathname);
+               else
+                       unlink_or_warn(pathname);
                display_progress(progress, i + 1);
        }
        pathname[len] = 0;
@@ -55,6 +58,7 @@ void prune_packed_objects(int opts)
        for (i = 0; i < 256; i++) {
                DIR *d;
 
+               display_progress(progress, i + 1);
                sprintf(pathname + len, "%02x/", i);
                d = opendir(pathname);
                if (!d)
@@ -67,24 +71,16 @@ void prune_packed_objects(int opts)
 
 int cmd_prune_packed(int argc, const char **argv, const char *prefix)
 {
-       int i;
-       int opts = VERBOSE;
+       int opts = isatty(2) ? VERBOSE : 0;
+       const struct option prune_packed_options[] = {
+               OPT_BIT('n', "dry-run", &opts, "dry run", DRY_RUN),
+               OPT_NEGBIT('q', "quiet", &opts, "be quiet", VERBOSE),
+               OPT_END()
+       };
 
-       for (i = 1; i < argc; i++) {
-               const char *arg = argv[i];
+       argc = parse_options(argc, argv, prefix, prune_packed_options,
+                            prune_packed_usage, 0);
 
-               if (*arg == '-') {
-                       if (!strcmp(arg, "-n"))
-                               opts |= DRY_RUN;
-                       else if (!strcmp(arg, "-q"))
-                               opts &= ~VERBOSE;
-                       else
-                               usage(prune_packed_usage);
-                       continue;
-               }
-               /* Handle arguments here .. */
-               usage(prune_packed_usage);
-       }
        prune_packed_objects(opts);
        return 0;
 }