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authorMatthias Kestenholz <matthias@spinlock.ch>2006-08-02 16:32:32 (GMT)
committerJunio C Hamano <junkio@cox.net>2006-08-02 18:36:01 (GMT)
commit53bb2c002a53cdd0746444defbf5323ea21eb8d5 (patch)
tree0c0c4e3587d054973cf25d4b99a2ea94c2a34c77 /builtin-prune-packed.c
parentd4ad9b0484fa17de3d161f48ae58190ec2cccd45 (diff)
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Make git-prune-packed a builtin
Signed-off-by: Matthias Kestenholz <matthias@spinlock.ch> Signed-off-by: Junio C Hamano <junkio@cox.net>
Diffstat (limited to 'builtin-prune-packed.c')
-rw-r--r--builtin-prune-packed.c77
1 files changed, 77 insertions, 0 deletions
diff --git a/builtin-prune-packed.c b/builtin-prune-packed.c
new file mode 100644
index 0000000..d0ff336
--- /dev/null
+++ b/builtin-prune-packed.c
@@ -0,0 +1,77 @@
+#include "cache.h"
+
+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)
+{
+ struct dirent *de;
+ char hex[40];
+
+ sprintf(hex, "%02x", i);
+ while ((de = readdir(dir)) != NULL) {
+ unsigned char sha1[20];
+ if (strlen(de->d_name) != 38)
+ continue;
+ memcpy(hex+2, de->d_name, 38);
+ if (get_sha1_hex(hex, sha1))
+ continue;
+ if (!has_sha1_pack(sha1))
+ continue;
+ memcpy(pathname + len, de->d_name, 38);
+ if (dryrun)
+ printf("rm -f %s\n", pathname);
+ else if (unlink(pathname) < 0)
+ error("unable to unlink %s", pathname);
+ }
+ pathname[len] = 0;
+ rmdir(pathname);
+}
+
+static void prune_packed_objects(void)
+{
+ int i;
+ static char pathname[PATH_MAX];
+ const char *dir = get_object_directory();
+ int len = strlen(dir);
+
+ if (len > PATH_MAX - 42)
+ die("impossible object directory");
+ memcpy(pathname, dir, len);
+ if (len && pathname[len-1] != '/')
+ pathname[len++] = '/';
+ for (i = 0; i < 256; i++) {
+ DIR *d;
+
+ sprintf(pathname + len, "%02x/", i);
+ d = opendir(pathname);
+ if (!d)
+ continue;
+ prune_dir(i, d, pathname, len + 3);
+ closedir(d);
+ }
+}
+
+int cmd_prune_packed(int argc, char **argv, const char *prefix)
+{
+ int i;
+
+ for (i = 1; i < argc; i++) {
+ const char *arg = argv[i];
+
+ if (*arg == '-') {
+ if (!strcmp(arg, "-n"))
+ dryrun = 1;
+ else
+ usage(prune_packed_usage);
+ continue;
+ }
+ /* Handle arguments here .. */
+ usage(prune_packed_usage);
+ }
+ sync();
+ prune_packed_objects();
+ return 0;
+}