From 2396ec85bd167b87e21edbd3a64d46eeb19d6a5d Mon Sep 17 00:00:00 2001 From: Linus Torvalds Date: Sun, 3 Jul 2005 14:27:34 -0700 Subject: 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. --- prune-packed.c | 66 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 66 insertions(+) create mode 100644 prune-packed.c (limited to 'prune-packed.c') diff --git a/prune-packed.c b/prune-packed.c new file mode 100644 index 0000000000..41ee2a73bc --- /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; +} -- cgit v1.2.3