From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on dcvr.yhbt.net X-Spam-Level: X-Spam-ASN: AS31976 209.132.180.0/23 X-Spam-Status: No, score=-3.2 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,RCVD_IN_DNSWL_HI,RP_MATCHES_RCVD shortcircuit=no autolearn=ham autolearn_force=no version=3.4.0 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by dcvr.yhbt.net (Postfix) with ESMTP id AD6E720D12 for ; Thu, 1 Jun 2017 04:18:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751146AbdFAESj (ORCPT ); Thu, 1 Jun 2017 00:18:39 -0400 Received: from a7-12.smtp-out.eu-west-1.amazonses.com ([54.240.7.12]:35562 "EHLO a7-12.smtp-out.eu-west-1.amazonses.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750895AbdFAESj (ORCPT ); Thu, 1 Jun 2017 00:18:39 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/simple; s=shh3fegwg5fppqsuzphvschd53n6ihuv; d=amazonses.com; t=1496290716; h=From:To:Message-ID:In-Reply-To:References:Subject:MIME-Version:Content-Type:Content-Transfer-Encoding:Date:Feedback-ID; bh=rRfIMLHzPNbiIzFgNUE9HyTVR3v6EtUiHnF5v5Ch1QQ=; b=eRqO2sZGNNpuw+ChyG04sc7vftMnh3LGXvJGv/C27xlkBNk4YI/tv5MiVnh99SSL CcOxqnX99IRyWaKXud4N0+1PLfmGSQkenOe7hq9k5xKRmG/DzXcBY/B2Z6iZZN/xCBp DoNuqOr9bCbRsiimCn0QROC4Y1lcZHIUzYnuRSxY= From: Tyler Brazier To: git@vger.kernel.org Message-ID: <0102015c61e06acf-70b79f3e-a6a8-43a9-b87d-273c1e2665f3-000000@eu-west-1.amazonses.com> In-Reply-To: <0102015c5c7054ac-5ec72a28-ff81-42b8-8224-26a588cef485-000000@eu-west-1.amazonses.com> References: <0102015c5c7054ac-5ec72a28-ff81-42b8-8224-26a588cef485-000000@eu-west-1.amazonses.com> Subject: [PATCH v3] pull: ff --rebase --autostash works in dirty repo MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Date: Thu, 1 Jun 2017 04:18:36 +0000 X-SES-Outgoing: 2017.06.01-54.240.7.12 Feedback-ID: 1.eu-west-1.YYPRFFOog89kHDDPKvTu4MK67j4wW0z7cAgZtFqQH58=:AmazonSES Sender: git-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org When `git pull --rebase --autostash` in a dirty repository resulted in a fast-forward, nothing was being autostashed and the pull failed. This was due to a shortcut to avoid running rebase when we can fast-forward, but autostash is ignored on that codepath. Now we will only take the shortcut if autostash is not in effect. Based on a few tests against the git.git repo, the shortcut does not seem to give us significant performance benefits, on Linux at least. Regardless, it is more important to be correct than to be fast. Signed-off-by: Tyler Brazier --- builtin/pull.c | 25 ++++++++++++++----------- t/t5520-pull.sh | 18 ++++++++++++++++++ 2 files changed, 32 insertions(+), 11 deletions(-) diff --git a/builtin/pull.c b/builtin/pull.c index dd1a4a94e41ed..42f0560252e00 100644 --- a/builtin/pull.c +++ b/builtin/pull.c @@ -772,6 +772,7 @@ int cmd_pull(int argc, const char **argv, const char *prefix) struct oid_array merge_heads = OID_ARRAY_INIT; struct object_id orig_head, curr_head; struct object_id rebase_fork_point; + int autostash; if (!getenv("GIT_REFLOG_ACTION")) set_reflog_message(argc, argv); @@ -800,8 +801,8 @@ int cmd_pull(int argc, const char **argv, const char *prefix) if (!opt_rebase && opt_autostash != -1) die(_("--[no-]autostash option is only valid with --rebase.")); + autostash = config_autostash; if (opt_rebase) { - int autostash = config_autostash; if (opt_autostash != -1) autostash = opt_autostash; @@ -862,16 +863,18 @@ int cmd_pull(int argc, const char **argv, const char *prefix) die(_("Cannot rebase onto multiple branches.")); if (opt_rebase) { - struct commit_list *list = NULL; - struct commit *merge_head, *head; - - head = lookup_commit_reference(orig_head.hash); - commit_list_insert(head, &list); - merge_head = lookup_commit_reference(merge_heads.oid[0].hash); - if (is_descendant_of(merge_head, list)) { - /* we can fast-forward this without invoking rebase */ - opt_ff = "--ff-only"; - return run_merge(); + if (!autostash) { + struct commit_list *list = NULL; + struct commit *merge_head, *head; + + head = lookup_commit_reference(orig_head.hash); + commit_list_insert(head, &list); + merge_head = lookup_commit_reference(merge_heads.oid[0].hash); + if (is_descendant_of(merge_head, list)) { + /* we can fast-forward this without invoking rebase */ + opt_ff = "--ff-only"; + return run_merge(); + } } return run_rebase(&curr_head, merge_heads.oid, &rebase_fork_point); } else { diff --git a/t/t5520-pull.sh b/t/t5520-pull.sh index 17f4d0fe4e724..f15f7a332960f 100755 --- a/t/t5520-pull.sh +++ b/t/t5520-pull.sh @@ -272,6 +272,24 @@ test_expect_success '--rebase fast forward' ' test_cmp reflog.expected reflog.fuzzy ' +test_expect_success '--rebase --autostash fast forward' ' + test_when_finished " + git reset --hard + git checkout to-rebase + git branch -D to-rebase-ff + git branch -D behind" && + git branch behind && + git checkout -b to-rebase-ff && + echo another modification >>file && + git add file && + git commit -m mod && + + git checkout behind && + echo dirty >file && + git pull --rebase --autostash . to-rebase-ff && + test "$(git rev-parse HEAD)" = "$(git rev-parse to-rebase-ff)" +' + test_expect_success '--rebase with conflicts shows advice' ' test_when_finished "git rebase --abort; git checkout -f to-rebase" && git checkout -b seq && -- https://github.com/git/git/pull/365