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[69.81.55.51]) by smtp.gmail.com with ESMTPSA id 70sm2258138qkh.67.2020.05.01.01.28.53 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Fri, 01 May 2020 01:28:54 -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 1/2] restore: require --source when combining --worktree and --staged Date: Fri, 1 May 2020 04:27:45 -0400 Message-Id: <20200501082746.23943-2-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-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 The default restore source for --worktree is the index, and the default source for --staged is HEAD. When combining --worktree and --staged in the same invocation, the restore source is ambiguous ("should it restore from the index or from HEAD?"). To avoid such ambiguity, the git-restore documentation has always stated that --source must be used when combining --worktree and --staged. However, this restriction is not actually enforced. Address this deficiency by making the implementation match the documented behavior (to wit, error out if --source is not specified when combining --worktree and --staged). While at it, enhance the documentation to mention the --source requirement prominently in the "Description" section (rather than only in the description of the --source option itself). Reported-by: Harri Mehtälä Signed-off-by: Eric Sunshine --- Documentation/git-restore.txt | 3 ++- builtin/checkout.c | 3 +++ t/t2070-restore.sh | 5 +++++ 3 files changed, 10 insertions(+), 1 deletion(-) diff --git a/Documentation/git-restore.txt b/Documentation/git-restore.txt index 8e3b339802..8906499637 100644 --- a/Documentation/git-restore.txt +++ b/Documentation/git-restore.txt @@ -24,7 +24,8 @@ The command can also be used to restore the content in the index with 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. +commit as the restore source; it is required when combining `--staged` +and `--worktree`. See "Reset, restore and revert" in linkgit:git[1] for the differences between the three commands. diff --git a/builtin/checkout.c b/builtin/checkout.c index 8bc94d392b..7a01d00f53 100644 --- a/builtin/checkout.c +++ b/builtin/checkout.c @@ -1604,6 +1604,9 @@ 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" diff --git a/t/t2070-restore.sh b/t/t2070-restore.sh index 076d0df7fc..19efa21fdb 100755 --- a/t/t2070-restore.sh +++ b/t/t2070-restore.sh @@ -69,6 +69,11 @@ 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 --ignore-unmerged ignores unmerged entries' ' git init unmerged && ( -- 2.26.2.526.g744177e7f7