From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thomas Gummerer Subject: [PATCH 20/22] read-cache: write resolve-undo data for index-v5 Date: Sun, 7 Jul 2013 10:11:58 +0200 Message-ID: <1373184720-29767-21-git-send-email-t.gummerer@gmail.com> References: <1373184720-29767-1-git-send-email-t.gummerer@gmail.com> Cc: trast@inf.ethz.ch, mhagger@alum.mit.edu, gitster@pobox.com, pclouds@gmail.com, robin.rosenberg@dewire.com, t.gummerer@gmail.com To: git@vger.kernel.org X-From: git-owner@vger.kernel.org Sun Jul 07 10:13:53 2013 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 1Uvk6R-0006fi-Jf for gcvg-git-2@plane.gmane.org; Sun, 07 Jul 2013 10:13:52 +0200 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752177Ab3GGINp (ORCPT ); Sun, 7 Jul 2013 04:13:45 -0400 Received: from mail-ea0-f178.google.com ([209.85.215.178]:64509 "EHLO mail-ea0-f178.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752169Ab3GGINk (ORCPT ); Sun, 7 Jul 2013 04:13:40 -0400 Received: by mail-ea0-f178.google.com with SMTP id l15so2233312eak.23 for ; Sun, 07 Jul 2013 01:13:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:to:cc:subject:date:message-id:x-mailer:in-reply-to:references; bh=WkkgKAFVpRW0OQDy9+ushs/Z9RN6HCIzueNuMAAH2B8=; b=0KYCml/nztK5qgkEQj4M41OBcBqckOztBNhSGau1Nh5UEM92s8fS2ddapzml8O8lIi PtphcGC3N5QMdtY3ai/m8PZ+nu5mUu5jx77wiTsHQx4oGE5i2fa9yh+RqXZrspAp9xem TLHNcN85AF8a7fvcvfgGesxlObP/D2oe+9kaRIkvldkfslFTglorvgVHCVTmQZu/WIqN V68kX5AMBQDuiSiDa2IlGAnKkNoAh2UqKRaBVeiEMIEBMCaIPKsLPqBPHjuVULxOvH42 VihVAvgVhjKfLrsB/M9JfyleJH1YyG4VkIdyek7o2aMtqSyY7k6gEqwISAtxH399v0kU O+xg== X-Received: by 10.15.33.132 with SMTP id c4mr19880967eev.12.1373184819316; Sun, 07 Jul 2013 01:13:39 -0700 (PDT) Received: from localhost (host252-23-dynamic.0-87-r.retail.telecomitalia.it. [87.0.23.252]) by mx.google.com with ESMTPSA id y1sm30800077eew.3.2013.07.07.01.13.37 for (version=TLSv1.2 cipher=RC4-SHA bits=128/128); Sun, 07 Jul 2013 01:13:38 -0700 (PDT) X-Mailer: git-send-email 1.8.3.453.g1dfc63d In-Reply-To: <1373184720-29767-1-git-send-email-t.gummerer@gmail.com> Sender: git-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org Archived-At: Make git read the resolve-undo data from the index. Since the resolve-undo data is joined with the conflicts in the ondisk format of the index file version 5, conflicts and resolved data is read at the same time, and the resolve-undo data is then converted to the in-memory format. Helped-by: Thomas Rast Signed-off-by: Thomas Gummerer --- read-cache-v5.c | 94 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 94 insertions(+) diff --git a/read-cache-v5.c b/read-cache-v5.c index 306de30..412db53 100644 --- a/read-cache-v5.c +++ b/read-cache-v5.c @@ -1011,6 +1011,99 @@ static void cache_tree_to_ondisk_v5(struct hash_table *table, struct cache_tree convert_one_to_ondisk_v5(table, root, "", 0, 0); } +static void resolve_undo_to_ondisk_v5(struct hash_table *table, + struct string_list *resolve_undo, + unsigned int *ndir, int *total_dir_len, + struct directory_entry *de) +{ + struct string_list_item *item; + struct directory_entry *search; + + if (!resolve_undo) + return; + for_each_string_list_item(item, resolve_undo) { + struct conflict_entry *conflict_entry; + struct resolve_undo_info *ui = item->util; + char *super; + int i, dir_len, len; + uint32_t crc; + struct directory_entry *found, *current, *new_tree; + + if (!ui) + continue; + + super = super_directory(item->string); + if (!super) + dir_len = 0; + else + dir_len = strlen(super); + crc = crc32(0, (Bytef*)super, dir_len); + found = lookup_hash(crc, table); + current = NULL; + new_tree = NULL; + + while (!found) { + struct directory_entry *new; + + new = init_directory_entry(super, dir_len); + if (!current) + current = new; + insert_directory_entry(new, table, total_dir_len, ndir, crc); + if (new_tree != NULL) + new->de_nsubtrees = 1; + new->next = new_tree; + new_tree = new; + super = super_directory(super); + if (!super) + dir_len = 0; + else + dir_len = strlen(super); + crc = crc32(0, (Bytef*)super, dir_len); + found = lookup_hash(crc, table); + } + search = found; + while (search->next_hash && strcmp(super, search->pathname) != 0) + search = search->next_hash; + if (search && !current) + current = search; + if (!search && !current) + current = new_tree; + if (!super && new_tree) { + new_tree->next = de->next; + de->next = new_tree; + de->de_nsubtrees++; + } else if (new_tree) { + struct directory_entry *temp; + + search = de->next; + while (strcmp(super, search->pathname)) + search = search->next; + temp = new_tree; + while (temp->next) + temp = temp->next; + search->de_nsubtrees++; + temp->next = search->next; + search->next = new_tree; + } + + len = strlen(item->string); + conflict_entry = create_new_conflict(item->string, len, current->de_pathlen); + add_conflict_to_directory_entry(current, conflict_entry); + for (i = 0; i < 3; i++) { + if (ui->mode[i]) { + struct conflict_part *cp; + + cp = xmalloc(sizeof(struct conflict_part)); + cp->flags = (i + 1) << CONFLICT_STAGESHIFT; + cp->entry_mode = ui->mode[i]; + cp->next = NULL; + hashcpy(cp->sha1, ui->sha1[i]); + add_part_to_conflict_entry(current, conflict_entry, cp); + } + } + } +} + static struct directory_entry *compile_directory_data(struct index_state *istate, int nfile, unsigned int *ndir, @@ -1118,6 +1211,7 @@ static struct directory_entry *compile_directory_data(struct index_state *istate } if (istate->cache_tree) cache_tree_to_ondisk_v5(&table, istate->cache_tree); + resolve_undo_to_ondisk_v5(&table, istate->resolve_undo, ndir, total_dir_len, de); return de; } -- 1.8.3.453.g1dfc63d