From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thomas Gummerer Subject: [PATCH/RFC v4 10/13] Write index-v5 cache-tree data Date: Thu, 16 Aug 2012 11:58:46 +0200 Message-ID: <1345111129-6925-11-git-send-email-t.gummerer@gmail.com> References: <1345111129-6925-1-git-send-email-t.gummerer@gmail.com> Cc: trast@student.ethz.ch, pclouds@gmail.com, mhagger@alum.mit.edu, gitster@pobox.com, robin.rosenberg@dewire.com, t.gummerer@gmail.com To: git@vger.kernel.org X-From: git-owner@vger.kernel.org Thu Aug 16 11:59:55 2012 Return-path: Envelope-to: gcvg-git-2@plane.gmane.org Received: from vger.kernel.org ([209.132.180.67]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1T1wrq-0000D2-B9 for gcvg-git-2@plane.gmane.org; Thu, 16 Aug 2012 11:59:54 +0200 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756591Ab2HPJ7i (ORCPT ); Thu, 16 Aug 2012 05:59:38 -0400 Received: from li348-43.members.linode.com ([178.79.179.43]:48207 "EHLO tgummerer.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756266Ab2HPJ7O (ORCPT ); Thu, 16 Aug 2012 05:59:14 -0400 Received: by tgummerer.com (Postfix, from userid 1001) id 6A74D4EFF3; Thu, 16 Aug 2012 11:59:10 +0200 (CEST) X-Mailer: git-send-email 1.7.10.GIT In-Reply-To: <1345111129-6925-1-git-send-email-t.gummerer@gmail.com> Sender: git-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org Write the cache-tree data for the index version 5 file format. The in-memory cache-tree data is converted to the ondisk format, by adding it to the directory entries, that were compiled from the cache-entries in the step before. Signed-off-by: Thomas Gummerer --- read-cache-v5.c | 51 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 51 insertions(+) diff --git a/read-cache-v5.c b/read-cache-v5.c index a2afc94..d740d0b 100644 --- a/read-cache-v5.c +++ b/read-cache-v5.c @@ -856,6 +856,57 @@ static struct conflict_entry *create_conflict_entry_from_ce(struct cache_entry * return create_new_conflict(ce->name, ce_namelen(ce), pathlen); } +static void convert_one_to_ondisk_v5(struct hash_table *table, struct cache_tree *it, + const char *path, int pathlen, uint32_t crc) +{ + int i; + struct directory_entry *found, *search; + + crc = crc32(crc, (Bytef*)path, pathlen); + found = lookup_hash(crc, table); + search = found; + while (search && strcmp(path, search->pathname + search->de_pathlen - strlen(path)) != 0) + search = search->next_hash; + if (!search) + return; + /* + * The number of subtrees is already calculated by + * compile_directory_data, therefore we only need to + * add the entry_count + */ + search->de_nentries = it->entry_count; + if (0 <= it->entry_count) + hashcpy(search->sha1, it->sha1); + if (strcmp(path, "") != 0) + crc = crc32(crc, (Bytef*)"/", 1); + +#if DEBUG + if (0 <= it->entry_count) + fprintf(stderr, "cache-tree <%.*s> (%d ent, %d subtree) %s\n", + pathlen, path, it->entry_count, it->subtree_nr, + sha1_to_hex(it->sha1)); + else + fprintf(stderr, "cache-tree <%.*s> (%d subtree) invalid\n", + pathlen, path, it->subtree_nr); +#endif + + for (i = 0; i < it->subtree_nr; i++) { + struct cache_tree_sub *down = it->down[i]; + if (i) { + struct cache_tree_sub *prev = it->down[i-1]; + if (subtree_name_cmp(down->name, down->namelen, + prev->name, prev->namelen) <= 0) + die("fatal - unsorted cache subtree"); + } + convert_one_to_ondisk_v5(table, down->cache_tree, down->name, down->namelen, crc); + } +} + +static void cache_tree_to_ondisk_v5(struct hash_table *table, struct cache_tree *root) +{ + convert_one_to_ondisk_v5(table, root, "", 0, 0); +} + static struct directory_entry *compile_directory_data(struct index_state *istate, int nfile, unsigned int *ndir, -- 1.7.11.2