#include "cache.h"
-#include "refs.h"
+#include "parse-options.h"
+#include "pack-refs.h"
-static const char *result_path, *lock_path;
-static const char builtin_pack_refs_usage[] =
-"git-pack-refs [--prune]";
-
-struct ref_to_prune {
- struct ref_to_prune *next;
- unsigned char sha1[20];
- char name[FLEX_ARRAY];
-};
-
-struct pack_refs_cb_data {
- int prune;
- struct ref_to_prune *ref_to_prune;
- FILE *refs_file;
+static char const * const pack_refs_usage[] = {
+ "git pack-refs [options]",
+ NULL
};
-static void remove_lock_file(void)
-{
- if (lock_path)
- unlink(lock_path);
-}
-
-static int do_not_prune(int flags)
-{
- /* If it is already packed or if it is a symref,
- * do not prune it.
- */
- return (flags & (REF_ISSYMREF|REF_ISPACKED));
-}
-
-static int handle_one_ref(const char *path, const unsigned char *sha1,
- int flags, void *cb_data)
-{
- struct pack_refs_cb_data *cb = cb_data;
-
- /* Do not pack the symbolic refs */
- if (!(flags & REF_ISSYMREF))
- fprintf(cb->refs_file, "%s %s\n", sha1_to_hex(sha1), path);
- if (cb->prune && !do_not_prune(flags)) {
- int namelen = strlen(path) + 1;
- struct ref_to_prune *n = xcalloc(1, sizeof(*n) + namelen);
- hashcpy(n->sha1, sha1);
- strcpy(n->name, path);
- n->next = cb->ref_to_prune;
- cb->ref_to_prune = n;
- }
- return 0;
-}
-
-/* make sure nobody touched the ref, and unlink */
-static void prune_ref(struct ref_to_prune *r)
-{
- struct ref_lock *lock = lock_ref_sha1(r->name + 5, r->sha1, 1);
-
- if (lock) {
- unlink(git_path("%s", r->name));
- unlock_ref(lock);
- }
-}
-
-static void prune_refs(struct ref_to_prune *r)
-{
- while (r) {
- prune_ref(r);
- r = r->next;
- }
-}
-
int cmd_pack_refs(int argc, const char **argv, const char *prefix)
{
- int fd, i;
- struct pack_refs_cb_data cbdata;
-
- memset(&cbdata, 0, sizeof(cbdata));
-
- for (i = 1; i < argc; i++) {
- const char *arg = argv[i];
- if (!strcmp(arg, "--prune")) {
- cbdata.prune = 1;
- continue;
- }
- /* perhaps other parameters later... */
- break;
- }
- if (i != argc)
- usage(builtin_pack_refs_usage);
-
- result_path = xstrdup(git_path("packed-refs"));
- lock_path = xstrdup(mkpath("%s.lock", result_path));
-
- fd = open(lock_path, O_CREAT | O_EXCL | O_WRONLY, 0666);
- if (fd < 0)
- die("unable to create new ref-pack file (%s)", strerror(errno));
- atexit(remove_lock_file);
-
- cbdata.refs_file = fdopen(fd, "w");
- if (!cbdata.refs_file)
- die("unable to create ref-pack file structure (%s)",
- strerror(errno));
- for_each_ref(handle_one_ref, &cbdata);
- fsync(fd);
- fclose(cbdata.refs_file);
- if (rename(lock_path, result_path) < 0)
- die("unable to overwrite old ref-pack file (%s)", strerror(errno));
- lock_path = NULL;
- if (cbdata.prune)
- prune_refs(cbdata.ref_to_prune);
- return 0;
+ unsigned int flags = PACK_REFS_PRUNE;
+ struct option opts[] = {
+ OPT_BIT(0, "all", &flags, "pack everything", PACK_REFS_ALL),
+ OPT_BIT(0, "prune", &flags, "prune loose refs (default)", PACK_REFS_PRUNE),
+ OPT_END(),
+ };
+ if (parse_options(argc, argv, opts, pack_refs_usage, 0))
+ usage_with_options(pack_refs_usage, opts);
+ return pack_refs(flags);
}