diff options
Diffstat (limited to 'refs.c')
| -rw-r--r-- | refs.c | 48 |
1 files changed, 34 insertions, 14 deletions
@@ -2023,35 +2023,50 @@ struct ref_to_prune { struct pack_refs_cb_data { unsigned int flags; + struct ref_dir *packed_refs; struct ref_to_prune *ref_to_prune; - int fd; }; -static int pack_one_ref(struct ref_entry *entry, void *cb_data) +/* + * An each_ref_entry_fn that is run over loose references only. If + * the loose reference can be packed, add an entry in the packed ref + * cache. If the reference should be pruned, also add it to + * ref_to_prune in the pack_refs_cb_data. + */ +static int pack_if_possible_fn(struct ref_entry *entry, void *cb_data) { struct pack_refs_cb_data *cb = cb_data; enum peel_status peel_status; + struct ref_entry *packed_entry; int is_tag_ref = !prefixcmp(entry->name, "refs/tags/"); - /* ALWAYS pack refs that were already packed or are tags */ - if (!(cb->flags & PACK_REFS_ALL) && !is_tag_ref && - !(entry->flag & REF_ISPACKED)) + /* ALWAYS pack tags */ + if (!(cb->flags & PACK_REFS_ALL) && !is_tag_ref) return 0; /* Do not pack symbolic or broken refs: */ if ((entry->flag & REF_ISSYMREF) || !ref_resolves_to_object(entry)) return 0; + /* Add a packed ref cache entry equivalent to the loose entry. */ peel_status = peel_entry(entry, 1); if (peel_status != PEEL_PEELED && peel_status != PEEL_NON_TAG) die("internal error peeling reference %s (%s)", entry->name, sha1_to_hex(entry->u.value.sha1)); - write_packed_entry(cb->fd, entry->name, entry->u.value.sha1, - peel_status == PEEL_PEELED ? - entry->u.value.peeled : NULL); + packed_entry = find_ref(cb->packed_refs, entry->name); + if (packed_entry) { + /* Overwrite existing packed entry with info from loose entry */ + packed_entry->flag = REF_ISPACKED | REF_KNOWS_PEELED; + hashcpy(packed_entry->u.value.sha1, entry->u.value.sha1); + } else { + packed_entry = create_ref_entry(entry->name, entry->u.value.sha1, + REF_ISPACKED | REF_KNOWS_PEELED, 0); + add_ref(cb->packed_refs, packed_entry); + } + hashcpy(packed_entry->u.value.peeled, entry->u.value.peeled); - /* If the ref was already packed, there is no need to prune it. */ - if ((cb->flags & PACK_REFS_PRUNE) && !(entry->flag & REF_ISPACKED)) { + /* Schedule the loose reference for pruning if requested. */ + if ((cb->flags & PACK_REFS_PRUNE)) { int namelen = strlen(entry->name) + 1; struct ref_to_prune *n = xcalloc(1, sizeof(*n) + namelen); hashcpy(n->sha1, entry->u.value.sha1); @@ -2118,16 +2133,21 @@ static struct lock_file packlock; int pack_refs(unsigned int flags) { struct pack_refs_cb_data cbdata; + int fd; memset(&cbdata, 0, sizeof(cbdata)); cbdata.flags = flags; - cbdata.fd = hold_lock_file_for_update(&packlock, git_path("packed-refs"), - LOCK_DIE_ON_ERROR); + fd = hold_lock_file_for_update(&packlock, git_path("packed-refs"), + LOCK_DIE_ON_ERROR); + cbdata.packed_refs = get_packed_refs(&ref_cache); - write_or_die(cbdata.fd, PACKED_REFS_HEADER, strlen(PACKED_REFS_HEADER)); + do_for_each_entry_in_dir(get_loose_refs(&ref_cache), 0, + pack_if_possible_fn, &cbdata); + + write_or_die(fd, PACKED_REFS_HEADER, strlen(PACKED_REFS_HEADER)); + do_for_each_entry_in_dir(cbdata.packed_refs, 0, write_packed_entry_fn, &fd); - do_for_each_entry(&ref_cache, "", pack_one_ref, &cbdata); if (commit_lock_file(&packlock) < 0) die_errno("unable to overwrite old ref-pack file"); prune_refs(cbdata.ref_to_prune); |