From patchwork Tue Mar 9 06:24:42 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Elijah Newren X-Patchwork-Id: 12124197 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C28C9C4332B for ; Tue, 9 Mar 2021 06:25:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9D58A6528C for ; Tue, 9 Mar 2021 06:25:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230212AbhCIGZJ (ORCPT ); Tue, 9 Mar 2021 01:25:09 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38294 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229881AbhCIGYx (ORCPT ); Tue, 9 Mar 2021 01:24:53 -0500 Received: from mail-wr1-x435.google.com (mail-wr1-x435.google.com [IPv6:2a00:1450:4864:20::435]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E7435C06175F for ; Mon, 8 Mar 2021 22:24:52 -0800 (PST) Received: by mail-wr1-x435.google.com with SMTP id l12so13929319wry.2 for ; Mon, 08 Mar 2021 22:24:52 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=message-id:in-reply-to:references:from:date:subject:fcc :content-transfer-encoding:mime-version:to:cc; bh=NM88Nfi1AIKhUrakbJSoo/O1G5Kw+XIno49R7rZ2qXg=; b=FC0eT62DnYg3OoESu4eGEi/LI6zibiLvfXq/x/mwjzRjnkxjCaemzyk3ku4TA+a8vE Tfnnixmn2Z96ipvbHe95hxvzp3u1w6cM/QvfMZY2Hff0bRUk5mj54uuVJOM7pMe8+Jro Xy8Qtp4axseOrLibms03c36AwVNMt+UQvyuOx5Rs/pqxcYiraW/gYayQVcwyl5N3gh9N faugp1zK4MCFfAiXF/oQ8H1ySxYGEWrhrjjLDDDSuBPJT1N2Nz/sfph7go6D1gjoudEW Yzw8G8c5B/C9SqRxTKVL0KD8xBgiLH81X/Ke6g5YrWyay4u6iKzr2RbahOH1H4vnZ4cT 1N7g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:message-id:in-reply-to:references:from:date :subject:fcc:content-transfer-encoding:mime-version:to:cc; bh=NM88Nfi1AIKhUrakbJSoo/O1G5Kw+XIno49R7rZ2qXg=; b=VvYyzrpgfjiwOcOZwEtNrmyeqmO7B1w1jxwWDs2tNmGZZH8ovGAF5PXCOshTK6zGXe 25rKfGTEGBs20WrOZvFLCtx7Yr4gxe8Sn3XTmM6lrHHTBul5M8lQf1FS5Sb8z9EZAiCC sZpz5ml4oZNFR9JodhmSpQgzJKbGR+8wt07E7OHWFpYuRZZrg7IOb+9fUIZ9KGipqmEX NHvRU9p/I+hRzE2u10eyT//qInJbUXND45VIZkIoL8dKJOOGRLVW6ehda7HyU3Y79L1I /EpD+ub6pbX7T0zMrFDpYp4GkUoabdNrIpaJjLVx84rIku02OQTB2annRfaFSCmzi2jY pgJg== X-Gm-Message-State: AOAM533O/9O79ZymOFS5pIhzndT8kVSqHVQNILZ2S4WMTc1ZKYUdw5pr ZpPC+yvnpGTO7wCqQM9sKm/6LjHc8WY= X-Google-Smtp-Source: ABdhPJxNZvR0uZ0apBqoi8IaT0ow0z4QMbIH2q8zhmWYQH7j1Ay2tPudKxoPWAK8dAgnsV4ay+W5Fg== X-Received: by 2002:a5d:4bcd:: with SMTP id l13mr14643225wrt.56.1615271091764; Mon, 08 Mar 2021 22:24:51 -0800 (PST) Received: from [127.0.0.1] ([13.74.141.28]) by smtp.gmail.com with ESMTPSA id d16sm21834081wrx.79.2021.03.08.22.24.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 08 Mar 2021 22:24:51 -0800 (PST) Message-Id: <90a57ade629d66e557f6f7b142e87cbeba8ca25e.1615271086.git.gitgitgadget@gmail.com> In-Reply-To: References: Date: Tue, 09 Mar 2021 06:24:42 +0000 Subject: [PATCH v2 07/10] merge-ort: implement CE_SKIP_WORKTREE handling with conflicted entries Fcc: Sent MIME-Version: 1.0 To: git@vger.kernel.org Cc: =?utf-8?b?w4Z2YXIgQXJuZmrDtnLDsA==?= Bjarmason , Jonathan Nieder , Derrick Stolee , Junio C Hamano , Elijah Newren , Elijah Newren , Elijah Newren Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org From: Elijah Newren From: Elijah Newren When merge conflicts occur in paths removed by a sparse-checkout, we need to unsparsify those paths (clear the SKIP_WORKTREE bit), and write out the conflicted file to the working copy. In the very unlikely case that someone manually put a file into the working copy at the location of the SKIP_WORKTREE file, we need to avoid overwriting whatever edits they have made and move that file to a different location first. Signed-off-by: Elijah Newren --- merge-ort.c | 43 +++++++++++++++++++++---------- t/t6428-merge-conflicts-sparse.sh | 4 +-- 2 files changed, 32 insertions(+), 15 deletions(-) diff --git a/merge-ort.c b/merge-ort.c index cfd956a3f435..040287e3a998 100644 --- a/merge-ort.c +++ b/merge-ort.c @@ -3234,23 +3234,27 @@ static int checkout(struct merge_options *opt, return ret; } -static int record_conflicted_index_entries(struct merge_options *opt, - struct index_state *index, - struct strmap *paths, - struct strmap *conflicted) +static int record_conflicted_index_entries(struct merge_options *opt) { struct hashmap_iter iter; struct strmap_entry *e; + struct index_state *index = opt->repo->index; + struct checkout state = CHECKOUT_INIT; int errs = 0; int original_cache_nr; - if (strmap_empty(conflicted)) + if (strmap_empty(&opt->priv->conflicted)) return 0; + /* If any entries have skip_worktree set, we'll have to check 'em out */ + state.force = 1; + state.quiet = 1; + state.refresh_cache = 1; + state.istate = index; original_cache_nr = index->cache_nr; /* Put every entry from paths into plist, then sort */ - strmap_for_each_entry(conflicted, &iter, e) { + strmap_for_each_entry(&opt->priv->conflicted, &iter, e) { const char *path = e->key; struct conflict_info *ci = e->value; int pos; @@ -3291,9 +3295,23 @@ static int record_conflicted_index_entries(struct merge_options *opt, * the higher order stages. Thus, we need override * the CE_SKIP_WORKTREE bit and manually write those * files to the working disk here. - * - * TODO: Implement this CE_SKIP_WORKTREE fixup. */ + if (ce_skip_worktree(ce)) { + struct stat st; + + if (!lstat(path, &st)) { + char *new_name = unique_path(&opt->priv->paths, + path, + "cruft"); + + path_msg(opt, path, 1, + _("Note: %s not up to date and in way of checking out conflicted version; old copy renamed to %s"), + path, new_name); + errs |= rename(path, new_name); + free(new_name); + } + errs |= checkout_entry(ce, &state, NULL, NULL); + } /* * Mark this cache entry for removal and instead add @@ -3343,8 +3361,6 @@ void merge_switch_to_result(struct merge_options *opt, { assert(opt->priv == NULL); if (result->clean >= 0 && update_worktree_and_index) { - struct merge_options_internal *opti = result->priv; - trace2_region_enter("merge", "checkout", opt->repo); if (checkout(opt, head, result->tree)) { /* failure to function */ @@ -3354,13 +3370,14 @@ void merge_switch_to_result(struct merge_options *opt, trace2_region_leave("merge", "checkout", opt->repo); trace2_region_enter("merge", "record_conflicted", opt->repo); - if (record_conflicted_index_entries(opt, opt->repo->index, - &opti->paths, - &opti->conflicted)) { + opt->priv = result->priv; + if (record_conflicted_index_entries(opt)) { /* failure to function */ + opt->priv = NULL; result->clean = -1; return; } + opt->priv = NULL; trace2_region_leave("merge", "record_conflicted", opt->repo); } diff --git a/t/t6428-merge-conflicts-sparse.sh b/t/t6428-merge-conflicts-sparse.sh index 1bb52ff6f38c..7e8bf497f821 100755 --- a/t/t6428-merge-conflicts-sparse.sh +++ b/t/t6428-merge-conflicts-sparse.sh @@ -76,7 +76,7 @@ test_setup_numerals () { ) } -test_expect_merge_algorithm success failure 'conflicting entries written to worktree even if sparse' ' +test_expect_success 'conflicting entries written to worktree even if sparse' ' test_setup_numerals plain && ( cd numerals_plain && @@ -112,7 +112,7 @@ test_expect_merge_algorithm success failure 'conflicting entries written to work ) ' -test_expect_merge_algorithm failure failure 'present-despite-SKIP_WORKTREE handled reasonably' ' +test_expect_merge_algorithm failure success 'present-despite-SKIP_WORKTREE handled reasonably' ' test_setup_numerals in_the_way && ( cd numerals_in_the_way &&