Add some fancy colors in the test library when terminal supports it.

diff --git a/builtin-prune-packed.c b/builtin-prune-packed.c
index 24e3b0a8c21b43e0e82e5e505353213ca79f01b0..977730064b949c983163e972ef85a63d1fe4c914 100644 (file)
--- a/builtin-prune-packed.c
+++ b/builtin-prune-packed.c
@@ -2,9 +2,12 @@
 #include "cache.h"
 
 static const char prune_packed_usage[] =
-"git-prune-packed [-n]";
+"git-prune-packed [-n] [-q]";
 
-static void prune_dir(int i, DIR *dir, char *pathname, int len, int dryrun)
+#define DRY_RUN 01
+#define VERBOSE 02
+
+static void prune_dir(int i, DIR *dir, char *pathname, int len, int opts)
 {
        struct dirent *de;
        char hex[40];
@@ -20,7 +23,7 @@ static void prune_dir(int i, DIR *dir, char *pathname, int len, int dryrun)
                if (!has_sha1_pack(sha1, NULL))
                        continue;
                memcpy(pathname + len, de->d_name, 38);
-               if (dryrun)
+               if (opts & DRY_RUN)
                        printf("rm -f %s\n", pathname);
                else if (unlink(pathname) < 0)
                        error("unable to unlink %s", pathname);
@@ -29,7 +32,7 @@ static void prune_dir(int i, DIR *dir, char *pathname, int len, int dryrun)
        rmdir(pathname);
 }
 
-void prune_packed_objects(int dryrun)
+void prune_packed_objects(int opts)
 {
        int i;
        static char pathname[PATH_MAX];
@@ -46,24 +49,31 @@ void prune_packed_objects(int dryrun)
 
                sprintf(pathname + len, "%02x/", i);
                d = opendir(pathname);
+               if (opts == VERBOSE && (d || i == 255))
+                       fprintf(stderr, "Removing unused objects %d%%...\015",
+                               ((i+1) * 100) / 256);
                if (!d)
                        continue;
-               prune_dir(i, d, pathname, len + 3, dryrun);
+               prune_dir(i, d, pathname, len + 3, opts);
                closedir(d);
        }
+       if (opts == VERBOSE)
+               fprintf(stderr, "\nDone.\n");
 }
 
 int cmd_prune_packed(int argc, const char **argv, const char *prefix)
 {
        int i;
-       int dryrun = 0;
+       int opts = VERBOSE;
 
        for (i = 1; i < argc; i++) {
                const char *arg = argv[i];
 
                if (*arg == '-') {
                        if (!strcmp(arg, "-n"))
-                               dryrun = 1;
+                               opts |= DRY_RUN;
+                       else if (!strcmp(arg, "-q"))
+                               opts &= ~VERBOSE;
                        else
                                usage(prune_packed_usage);
                        continue;
@@ -72,6 +82,6 @@ int cmd_prune_packed(int argc, const char **argv, const char *prefix)
                usage(prune_packed_usage);
        }
        sync();
-       prune_packed_objects(dryrun);
+       prune_packed_objects(opts);
        return 0;
 }