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([2a04:ee41:84:d422:21c:c2ff:fe46:a5ad]) by smtp.gmail.com with ESMTPSA id j8sm8793958edw.40.2022.02.21.01.00.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 21 Feb 2022 01:00:53 -0800 (PST) From: Patrick Marlier To: git@vger.kernel.org, newren@gmail.com Cc: Patrick Marlier Subject: [PATCH v2 2/2] clean: avoid traversing into untracked dirs when unnecessary Date: Mon, 21 Feb 2022 10:00:34 +0100 Message-Id: <20220221090034.4615-2-patrick.marlier@gmail.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220221090034.4615-1-patrick.marlier@gmail.com> References: <20220221090034.4615-1-patrick.marlier@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org When deleting all untracked and ignored files and any nested repositories (such as with `git clean -ffdx`), we do not need to recurse into an untracked directory to see if any of the entries under it are ignored or a nested repository. Special case this condition to avoid unnecessary recursion. --- builtin/clean.c | 4 +++- t/t7300-clean.sh | 24 ++++++++++++++++++++++++ 2 files changed, 27 insertions(+), 1 deletion(-) diff --git a/builtin/clean.c b/builtin/clean.c index 18b37e3fd9..1b1454d052 100644 --- a/builtin/clean.c +++ b/builtin/clean.c @@ -978,7 +978,9 @@ int cmd_clean(int argc, const char **argv, const char *prefix) remove_directories = 1; } - if (remove_directories && !ignored_only) { + if (remove_directories && ignored && !exclude_list.nr && force > 1) + ; /* No need to recurse to look for ignored files */ + else if (remove_directories && !ignored_only) { /* * We need to know about ignored files too: * diff --git a/t/t7300-clean.sh b/t/t7300-clean.sh index 0399701e62..ceab7c4883 100755 --- a/t/t7300-clean.sh +++ b/t/t7300-clean.sh @@ -788,4 +788,28 @@ test_expect_success 'traverse into directories that may have ignored entries' ' ) ' +test_expect_success 'avoid traversing into untracked directories' ' + test_when_finished rm -f output error trace.* && + git init avoid-traversing-untracked-hierarchy && + ( + cd avoid-traversing-untracked-hierarchy && + + mkdir -p untracked/subdir/with/b && + mkdir -p untracked/subdir/with/a && + >untracked/subdir/with/a/random-file.txt && + + GIT_TRACE2_PERF="$TRASH_DIRECTORY/trace.output" \ + git clean -ffdx + ) && + + # Make sure we only visited into the top-level directory, and did + # not traverse into the "untracked" subdirectory since it was excluded + grep data.*read_directo.*directories-visited trace.output | + cut -d "|" -f 9 >trace.relevant && + cat >trace.expect <<-EOF && + ..directories-visited:1 + EOF + test_cmp trace.expect trace.relevant +' + test_done -- 2.35.1