X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=blobdiff_plain;f=builtin-pack-refs.c;h=34246df4ec946273d9f42e6f0848b02d8510beea;hb=6e13921b4f7adcc7316a76c0c4955b85b1589a65;hp=1aaa76dd1fe42f56e25dac6c3ca0e787eb7b005e;hpb=f1a8cc635455a65567d040349327b9ea4adb479b;p=git.git diff --git a/builtin-pack-refs.c b/builtin-pack-refs.c index 1aaa76dd1..34246df4e 100644 --- a/builtin-pack-refs.c +++ b/builtin-pack-refs.c @@ -1,128 +1,9 @@ -#include "builtin.h" #include "cache.h" -#include "refs.h" -#include "object.h" -#include "tag.h" #include "parse-options.h" - -struct ref_to_prune { - struct ref_to_prune *next; - unsigned char sha1[20]; - char name[FLEX_ARRAY]; -}; - -#define PACK_REFS_PRUNE 0x0001 -#define PACK_REFS_ALL 0x0002 - -struct pack_refs_cb_data { - unsigned int flags; - struct ref_to_prune *ref_to_prune; - FILE *refs_file; -}; - -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; - int is_tag_ref; - - /* Do not pack the symbolic refs */ - if ((flags & REF_ISSYMREF)) - return 0; - is_tag_ref = !prefixcmp(path, "refs/tags/"); - - /* ALWAYS pack refs that were already packed or are tags */ - if (!(cb->flags & PACK_REFS_ALL) && !is_tag_ref && !(flags & REF_ISPACKED)) - return 0; - - fprintf(cb->refs_file, "%s %s\n", sha1_to_hex(sha1), path); - if (is_tag_ref) { - struct object *o = parse_object(sha1); - if (o->type == OBJ_TAG) { - o = deref_tag(o, path, 0); - if (o) - fprintf(cb->refs_file, "^%s\n", - sha1_to_hex(o->sha1)); - } - } - - if ((cb->flags & PACK_REFS_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); - - 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; - } -} - -static struct lock_file packed; - -static int pack_refs(unsigned int flags) -{ - int fd; - struct pack_refs_cb_data cbdata; - - memset(&cbdata, 0, sizeof(cbdata)); - cbdata.flags = flags; - - fd = hold_lock_file_for_update(&packed, git_path("packed-refs"), 1); - cbdata.refs_file = fdopen(fd, "w"); - if (!cbdata.refs_file) - die("unable to create ref-pack file structure (%s)", - strerror(errno)); - - /* perhaps other traits later as well */ - fprintf(cbdata.refs_file, "# pack-refs with: peeled \n"); - - for_each_ref(handle_one_ref, &cbdata); - if (ferror(cbdata.refs_file)) - die("failed to write ref-pack file"); - if (fflush(cbdata.refs_file) || fsync(fd) || fclose(cbdata.refs_file)) - die("failed to write ref-pack file (%s)", strerror(errno)); - /* - * Since the lock file was fdopen()'ed and then fclose()'ed above, - * assign -1 to the lock file descriptor so that commit_lock_file() - * won't try to close() it. - */ - packed.fd = -1; - if (commit_lock_file(&packed) < 0) - die("unable to overwrite old ref-pack file (%s)", strerror(errno)); - if (cbdata.flags & PACK_REFS_PRUNE) - prune_refs(cbdata.ref_to_prune); - return 0; -} +#include "pack-refs.h" static char const * const pack_refs_usage[] = { - "git-pack-refs [options]", + "git pack-refs [options]", NULL };