undef/git-commit-vandalism
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Add "git-prune-packed" that removes objects that exist in a pack.

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This, together with "git repack" can be used to clean up unpacked
git archives.
This commit is contained in:
Linus Torvalds 2005-07-03 14:27:34 -07:00
parent b2d46199d2
commit 2396ec85bd
2 changed files with 68 additions and 1 deletions
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3
Makefile
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@ -43,7 +43,7 @@ PROG= git-update-cache git-diff-files git-init-db git-write-tree \
git-get-tar-commit-id git-apply git-stripspace \
git-cvs2git git-diff-stages git-rev-parse git-patch-id \
git-pack-objects git-unpack-objects git-verify-pack \
git-receive-pack git-send-pack
git-receive-pack git-send-pack git-prune-packed
all: $(PROG)
@ -138,6 +138,7 @@ git-unpack-objects: unpack-objects.c
git-verify-pack: verify-pack.c
git-receive-pack: receive-pack.c
git-send-pack: send-pack.c
git-prune-packed: prune-packed.c
git-http-pull: LIBS += -lcurl
git-rev-list: LIBS += -lssl

66
prune-packed.c Normal file
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@ -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;
}