Update the main documentation index.

diff --git a/prune-packed.c b/prune-packed.c
index a2f448830c8c89cd19f82f2ec215ad349583777e..5306e8e5ef411bfa7e6bcf4ba0639e640592818b 100644 (file)
--- a/prune-packed.c
+++ b/prune-packed.c
@@ -1,6 +1,9 @@
 #include "cache.h"
 
-static const char prune_packed_usage[] = "git-prune-packed (no arguments)";
+static const char prune_packed_usage[] =
+"git-prune-packed [-n]";
+
+static int dryrun;
 
 static void prune_dir(int i, DIR *dir, char *pathname, int len)
 {
@@ -18,7 +21,9 @@ static void prune_dir(int i, DIR *dir, char *pathname, int len)
                if (!has_sha1_pack(sha1))
                        continue;
                memcpy(pathname + len, de->d_name, 38);
-               if (unlink(pathname) < 0)
+               if (dryrun)
+                       printf("rm -f %s\n", pathname);
+               else if (unlink(pathname) < 0)
                        error("unable to unlink %s", pathname);
        }
 }
@@ -55,8 +60,11 @@ int main(int argc, char **argv)
                const char *arg = argv[i];
 
                if (*arg == '-') {
-                       /* Handle flags here .. */
-                       usage(prune_packed_usage);
+                       if (!strcmp(arg, "-n"))
+                               dryrun = 1;
+                       else
+                               usage(prune_packed_usage);
+                       continue;
                }
                /* Handle arguments here .. */
                usage(prune_packed_usage);