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authorLinus Torvalds <torvalds@g5.osdl.org>2005-07-03 14:27:34 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2005-07-03 14:27:34 -0700
commit2396ec85bd167b87e21edbd3a64d46eeb19d6a5d (patch)
treea4cb6a994e8268d1efd029b9c5dbfdf3708813a7 /prune-packed.c
parentb2d46199d24856a05f455236031935dd35b3116f (diff)
downloadgit-2396ec85bd167b87e21edbd3a64d46eeb19d6a5d.tar.gz
git-2396ec85bd167b87e21edbd3a64d46eeb19d6a5d.tar.xz
Add "git-prune-packed" that removes objects that exist in a pack.
This, together with "git repack" can be used to clean up unpacked git archives.
Diffstat (limited to 'prune-packed.c')
-rw-r--r--prune-packed.c66
1 files changed, 66 insertions, 0 deletions
diff --git a/prune-packed.c b/prune-packed.c
new file mode 100644
index 000000000..41ee2a73b
--- /dev/null
+++ b/prune-packed.c
@@ -0,0 +1,66 @@
+#include "cache.h"
+
+static const char prune_packed_usage[] = "git-prune-packed: usage: git-prune-packed";
+
+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 (unlink(pathname) < 0)
+ error("unable to unlink %s", 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)
+ die("unable to open %s", pathname);
+ prune_dir(i, d, pathname, len + 3);
+ closedir(d);
+ }
+}
+
+int main(int argc, char **argv)
+{
+ int i;
+
+ for (i = 1; i < argc; i++) {
+ const char *arg = argv[i];
+
+ if (*arg == '-') {
+ /* Handle flags here .. */
+ usage(prune_packed_usage);
+ }
+ /* Handle arguments here .. */
+ usage(prune_packed_usage);
+ }
+ prune_packed_objects();
+ return 0;
+}