From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on dcvr.yhbt.net X-Spam-Level: X-Spam-ASN: AS31976 209.132.180.0/23 X-Spam-Status: No, score=-4.0 required=3.0 tests=AWL,BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI shortcircuit=no autolearn=ham autolearn_force=no version=3.4.2 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by dcvr.yhbt.net (Postfix) with ESMTP id E0E6820248 for ; Thu, 11 Apr 2019 13:13:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726720AbfDKNNN (ORCPT ); Thu, 11 Apr 2019 09:13:13 -0400 Received: from mail-pl1-f193.google.com ([209.85.214.193]:36347 "EHLO mail-pl1-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726712AbfDKNNM (ORCPT ); Thu, 11 Apr 2019 09:13:12 -0400 Received: by mail-pl1-f193.google.com with SMTP id ck15so3411571plb.3 for ; Thu, 11 Apr 2019 06:13:12 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=G628sN+0owUKw9+Ztrgr1eUvTlZBmLBFDTWnLWezPdE=; b=twDE5/fp7zFaZ9aRuyEoJdAs+A6SEBIUudH4NmMuxQ0nQ5RoawTMpw8gPx4K9ewjZU zMqAzt4kChRSIPfpUsoTYmgP5xQIjcqyDFKQtpJIj/02lFWRriL9uNSh2kcpV8jh5Vp8 72FiGpSeuaZXVUYhK7pbpK3W71fxgF27eETebH09lkAmV5+tTdGaA/Tg1bSieKGmcJ0J wCsNjzfCRWSUYXxt/o97dq9Er5nyqV7eouOv/zJuux2TfbDkSQqCBnQDwR95Ml1r9GWc g6vt+WpweTlC7SSVneCqUZF4lOIGyCiWbuhWiOegGRKx8SbigC+7wY1yoo+mKi3zTMZ9 EipQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=G628sN+0owUKw9+Ztrgr1eUvTlZBmLBFDTWnLWezPdE=; b=dVY59tzLIxB+7orqYcYTVmFv8Uw4+rSx1RvLUy2+yjvlPk4PgU32RCcuZPoigBMGwl 7qLKAMXnN+DCjmWYD2hFUlJGVfsWK87Ts4M0l1efzcKvyZ8k5BjiWfLNxL1TsU3qaGvT qyY5QGaYYYSWyYx8x3mmtdmf91YqIyVghRUOqnIjqfynmZ3HwX4rJOnTn1xvIBw3UFzv sqT4a/EYdw20gRs1IUimSpwEjwrljB9UF+yPDxBEaVC4s0wGqRM+SYdSgyM+tClQkpQl ejPR8C9w+3PnSsrI3F8mLs6BLd3x58to8Whx+gRmyIczm8EkyBZPk+bdm+miYKYaC0Q3 blgA== X-Gm-Message-State: APjAAAV46AWSBuBx5IX1arQ35PaI31nF0mBohJYyNRBxOsAsHMOpzV8i Qj1fnv+NE34ZV7x4OvMxQf4= X-Google-Smtp-Source: APXvYqyos+GUoztGw9Kle0AD1HgDacDX5NCqwIQpSwbnSBYTHTZeC+gh2pq7GpxssCnod7Yuj4Y7Zg== X-Received: by 2002:a17:902:4681:: with SMTP id p1mr49877596pld.42.1554988391925; Thu, 11 Apr 2019 06:13:11 -0700 (PDT) Received: from ash ([116.102.217.71]) by smtp.gmail.com with ESMTPSA id b2sm48005015pfo.150.2019.04.11.06.13.08 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 11 Apr 2019 06:13:11 -0700 (PDT) Received: by ash (sSMTP sendmail emulation); Thu, 11 Apr 2019 20:13:06 +0700 From: =?UTF-8?q?Nguy=E1=BB=85n=20Th=C3=A1i=20Ng=E1=BB=8Dc=20Duy?= To: pclouds@gmail.com Cc: git@vger.kernel.org, gitster@pobox.com, newren@gmail.com, Eric Sunshine , rybak.a.v@gmail.com, Johannes Schindelin , jacob.keller@gmail.com Subject: [PATCH v2 06/16] restore: add --worktree and --staged Date: Thu, 11 Apr 2019 20:12:08 +0700 Message-Id: <20190411131218.19195-7-pclouds@gmail.com> X-Mailer: git-send-email 2.21.0.682.g30d2204636 In-Reply-To: <20190411131218.19195-1-pclouds@gmail.com> References: <20190308101655.9767-1-pclouds@gmail.com> <20190411131218.19195-1-pclouds@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: git-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org 'git checkout ' updates both index and worktree. But updating the index when you want to restore worktree files is non-intuitive. The index contains the data ready for the next commit, and there's no indication that the user will want to commit the restored versions. 'git restore' therefore by default only touches worktree. The user has the option to update either the index with git restore --staged --source= (1) or update both with git restore --staged --worktree --source= (2) PS. Orignally I wanted to make worktree update default and form (1) would add index update while also updating the worktree, and the user would need to do "--staged --no-worktree" to update index only. But it looks really confusing that "--staged" option alone updates both. So now form (2) is used for both, which reads much more obvious. PPS. Yes form (1) overlaps with "git reset ". I don't know if we can ever turn "git reset" back to "_always_ reset HEAD and optionally do something else". Signed-off-by: Nguyễn Thái Ngọc Duy --- builtin/checkout.c | 74 ++++++++++++++++++++++++++++++++++++++++++---- 1 file changed, 68 insertions(+), 6 deletions(-) diff --git a/builtin/checkout.c b/builtin/checkout.c index 1753c8c5ed..e855c64cfe 100644 --- a/builtin/checkout.c +++ b/builtin/checkout.c @@ -66,6 +66,8 @@ struct checkout_opts { int can_switch_when_in_progress; int orphan_from_empty_tree; int empty_pathspec_ok; + int checkout_index; + int checkout_worktree; const char *new_branch; const char *new_branch_force; @@ -397,6 +399,7 @@ static int checkout_paths(const struct checkout_opts *opts, struct commit *head; int errs = 0; struct lock_file lock_file = LOCK_INIT; + int checkout_index; trace2_cmd_mode(opts->patch_mode ? "patch" : "path"); @@ -422,9 +425,26 @@ static int checkout_paths(const struct checkout_opts *opts, die(_("Cannot update paths and switch to branch '%s' at the same time."), opts->new_branch); - if (opts->patch_mode) - return run_add_interactive(revision, "--patch=checkout", - &opts->pathspec); + if (!opts->checkout_worktree && !opts->checkout_index) + die(_("neither '%s' or '%s' is specified"), + "--staged", "--worktree"); + + if (!opts->checkout_worktree && !opts->from_treeish) + die(_("'%s' must be used when '%s' is not specified"), + "--worktree", "--source"); + + if (opts->patch_mode) { + const char *patch_mode; + + if (opts->checkout_index && opts->checkout_worktree) + patch_mode = "--patch=checkout"; + else if (opts->checkout_index && !opts->checkout_worktree) + patch_mode = "--patch=reset"; + else + die(_("'%s' with only '%s' is not currently supported"), + "--patch", "--worktree"); + return run_add_interactive(revision, patch_mode, &opts->pathspec); + } repo_hold_locked_index(the_repository, &lock_file, LOCK_DIE_ON_ERROR); if (read_cache_preload(&opts->pathspec) < 0) @@ -482,10 +502,30 @@ static int checkout_paths(const struct checkout_opts *opts, return 1; /* Now we are committed to check them out */ - errs |= checkout_worktree(opts); + if (opts->checkout_worktree) + errs |= checkout_worktree(opts); - if (write_locked_index(&the_index, &lock_file, COMMIT_LOCK)) - die(_("unable to write new index file")); + /* + * Allow updating the index when checking out from the index. + * This is to save new stat info. + */ + if (opts->checkout_worktree && !opts->checkout_index && !opts->source_tree) + checkout_index = 1; + else + checkout_index = opts->checkout_index; + + if (checkout_index) { + if (write_locked_index(&the_index, &lock_file, COMMIT_LOCK)) + die(_("unable to write new index file")); + } else { + /* + * NEEDSWORK: if --worktree is not specified, we + * should save stat info of checked out files in the + * index to avoid the next (potentially costly) + * refresh. But it's a bit tricker to do... + */ + rollback_lock_file(&lock_file); + } read_ref_full("HEAD", 0, &rev, NULL); head = lookup_commit_reference_gently(the_repository, &rev, 1); @@ -1461,6 +1501,20 @@ static int checkout_main(int argc, const char **argv, const char *prefix, if (opts->overlay_mode == 1 && opts->patch_mode) die(_("-p and --overlay are mutually exclusive")); + if (opts->checkout_index >= 0 || opts->checkout_worktree >= 0) { + if (opts->checkout_index < 0) + opts->checkout_index = 0; + if (opts->checkout_worktree < 0) + opts->checkout_worktree = 0; + } else { + if (opts->checkout_index < 0) + opts->checkout_index = -opts->checkout_index - 1; + if (opts->checkout_worktree < 0) + opts->checkout_worktree = -opts->checkout_worktree - 1; + } + if (opts->checkout_index < 0 || opts->checkout_worktree < 0) + BUG("these flags should be non-negative by now"); + /* * From here on, new_branch will contain the branch to be checked out, * and new_branch_force and new_orphan_branch will tell us which one of @@ -1617,6 +1671,8 @@ int cmd_checkout(int argc, const char **argv, const char *prefix) opts.orphan_from_empty_tree = 0; opts.empty_pathspec_ok = 1; opts.overlay_mode = -1; + opts.checkout_index = -2; /* default on */ + opts.checkout_worktree = -2; /* default on */ options = parse_options_dup(checkout_options); options = add_common_options(&opts, options); @@ -1674,6 +1730,10 @@ int cmd_restore(int argc, const char **argv, const char *prefix) struct option restore_options[] = { OPT_STRING('s', "source", &opts.from_treeish, "", N_("where the checkout from")), + OPT_BOOL('S', "staged", &opts.checkout_index, + N_("restore the index")), + OPT_BOOL('W', "worktree", &opts.checkout_worktree, + N_("restore the working tree (default)")), OPT_BOOL(0, "overlay", &opts.overlay_mode, N_("use overlay mode")), OPT_END() }; @@ -1684,6 +1744,8 @@ int cmd_restore(int argc, const char **argv, const char *prefix) opts.accept_pathspec = 1; opts.empty_pathspec_ok = 0; opts.overlay_mode = 0; + opts.checkout_index = -1; /* default off */ + opts.checkout_worktree = -2; /* default on */ options = parse_options_dup(restore_options); options = add_common_options(&opts, options); -- 2.21.0.682.g30d2204636