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[69.81.55.51]) by smtp.gmail.com with ESMTPSA id 70sm2258138qkh.67.2020.05.01.01.28.54 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Fri, 01 May 2020 01:28:55 -0700 (PDT) From: Eric Sunshine To: git@vger.kernel.org Cc: =?UTF-8?q?Harri=20Meht=C3=A4l=C3=A4?= , Duy Nguyen , Eric Sunshine Subject: [PATCH 2/2] restore: default to HEAD when combining --worktree and --staged Date: Fri, 1 May 2020 04:27:46 -0400 Message-Id: <20200501082746.23943-3-sunshine@sunshineco.com> X-Mailer: git-send-email 2.26.2.526.g744177e7f7 In-Reply-To: <20200501082746.23943-1-sunshine@sunshineco.com> References: <20200501082746.23943-1-sunshine@sunshineco.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: git-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org The default restore source for --worktree is the index, and the default source for --staged is HEAD. However, when combining --worktree and --staged in the same invocation, git-restore requires the source to be specified explicitly via --source since it would otherwise be ambiguous ("should it restore from the index or from HEAD?"). This requirement makes it cumbersome to restore a file in both the worktree and the index. However, HEAD is also a reasonably intuitive default restore source when --worktree and --staged are combined. After all, if a user is asking to throw away all local changes to a file (on disk and in the index) without specifying a restore source explicitly -- and the user expects the file to be restored from _somewhere_ -- then it is likely that the user expects them to be restored from HEAD, which is an intuitive and logical place to find a recent unadulterated copy of the file. Therefore, make HEAD the default restore source when --worktree and --staged are combined. Signed-off-by: Eric Sunshine --- Documentation/git-restore.txt | 14 +++++++------- builtin/checkout.c | 9 +++------ t/t2070-restore.sh | 12 +++++++++--- 3 files changed, 19 insertions(+), 16 deletions(-) diff --git a/Documentation/git-restore.txt b/Documentation/git-restore.txt index 8906499637..5b61812e17 100644 --- a/Documentation/git-restore.txt +++ b/Documentation/git-restore.txt @@ -22,10 +22,10 @@ The command can also be used to restore the content in the index with `--staged`, or restore both the working tree and the index with `--staged --worktree`. -By default, the restore sources for working tree and the index are the -index and `HEAD` respectively. `--source` could be used to specify a -commit as the restore source; it is required when combining `--staged` -and `--worktree`. +By default, the restore source for `--worktree` is the index, and the +restore source for `--staged` is `HEAD`. When combining `--worktree` and +`--staged`, the restore source is `HEAD`. `--source` can be used to specify +a different commit as the restore source. See "Reset, restore and revert" in linkgit:git[1] for the differences between the three commands. @@ -40,10 +40,10 @@ OPTIONS tree. It is common to specify the source tree by naming a commit, branch or tag associated with it. + -If not specified, the default restore source for the working tree is -the index, and the default restore source for the index is +If not specified, the default restore source for `--worktree` is +the index, and the default restore source for `--staged` is `HEAD`. When both `--staged` and `--worktree` are specified, -`--source` must also be specified. +the default restore source is `HEAD`. -p:: --patch:: diff --git a/builtin/checkout.c b/builtin/checkout.c index 7a01d00f53..500c3e23ff 100644 --- a/builtin/checkout.c +++ b/builtin/checkout.c @@ -1604,14 +1604,11 @@ static int checkout_main(int argc, const char **argv, const char *prefix, } if (opts->checkout_index < 0 || opts->checkout_worktree < 0) BUG("these flags should be non-negative by now"); - if (opts->checkout_index > 0 && opts->checkout_worktree > 0 && - !opts->from_treeish) - die(_("--source required when using --worktree and --staged")); /* - * convenient shortcut: "git restore --staged" equals - * "git restore --staged --source HEAD" + * convenient shortcut: "git restore --staged [--worktree]" equals + * "git restore --staged [--worktree] --source HEAD" */ - if (!opts->from_treeish && opts->checkout_index && !opts->checkout_worktree) + if (!opts->from_treeish && opts->checkout_index) opts->from_treeish = "HEAD"; /* diff --git a/t/t2070-restore.sh b/t/t2070-restore.sh index 19efa21fdb..89e5a142c9 100755 --- a/t/t2070-restore.sh +++ b/t/t2070-restore.sh @@ -69,9 +69,15 @@ test_expect_success 'restore --staged uses HEAD as source' ' test_cmp expected actual ' -test_expect_success 'restore --worktree --staged requires --source' ' - test_must_fail git restore --worktree --staged first.t 2>err && - test_i18ngrep "source required when using --worktree and --staged" err +test_expect_success 'restore --worktree --staged uses HEAD as source' ' + test_when_finished git reset --hard && + git show HEAD:./first.t >expected && + echo dirty >>first.t && + git add first.t && + git restore --worktree --staged first.t && + git show :./first.t >actual && + test_cmp expected actual && + test_cmp expected first.t ' test_expect_success 'restore --ignore-unmerged ignores unmerged entries' ' -- 2.26.2.526.g744177e7f7