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Tue, 30 Nov 2021 22:41:01 -0800 (PST) Received: from [127.0.0.1] ([13.74.141.28]) by smtp.gmail.com with ESMTPSA id e18sm18616993wrs.48.2021.11.30.22.41.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 30 Nov 2021 22:41:00 -0800 (PST) Message-Id: <54d059c683ef3639db1acac51e26c9328c9684c5.1638340854.git.gitgitgadget@gmail.com> In-Reply-To: References: From: "Elijah Newren via GitGitGadget" Date: Wed, 01 Dec 2021 06:40:49 +0000 Subject: [PATCH v5 06/11] clean: do not attempt to remove startup_info->original_cwd Fcc: Sent Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit MIME-Version: 1.0 To: git@vger.kernel.org Cc: Jeff King , =?UTF-8?Q?Ren=C3=A9?= Scharfe , =?UTF-8?Q?=C3=86var_Arnfj=C3=B6r=C3=B0?= Bjarmason , Elijah Newren , Glen Choo , Philip Oakley , Derrick Stolee , Eric Sunshine , Phillip Wood , Elijah Newren , Elijah Newren Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org From: Elijah Newren Signed-off-by: Elijah Newren --- builtin/clean.c | 44 +++++++++++++++++++++++++++++++++++--------- t/t2501-cwd-empty.sh | 5 +++-- 2 files changed, 38 insertions(+), 11 deletions(-) diff --git a/builtin/clean.c b/builtin/clean.c index 98a2860409b..3ff02bbbffe 100644 --- a/builtin/clean.c +++ b/builtin/clean.c @@ -36,6 +36,8 @@ static const char *msg_skip_git_dir = N_("Skipping repository %s\n"); static const char *msg_would_skip_git_dir = N_("Would skip repository %s\n"); static const char *msg_warn_remove_failed = N_("failed to remove %s"); static const char *msg_warn_lstat_failed = N_("could not lstat %s\n"); +static const char *msg_skip_cwd = N_("Refusing to remove current working directory\n"); +static const char *msg_would_skip_cwd = N_("Would refuse to remove current working directory\n"); enum color_clean { CLEAN_COLOR_RESET = 0, @@ -153,6 +155,8 @@ static int remove_dirs(struct strbuf *path, const char *prefix, int force_flag, { DIR *dir; struct strbuf quoted = STRBUF_INIT; + struct strbuf realpath = STRBUF_INIT; + struct strbuf real_ocwd = STRBUF_INIT; struct dirent *e; int res = 0, ret = 0, gone = 1, original_len = path->len, len; struct string_list dels = STRING_LIST_INIT_DUP; @@ -231,16 +235,36 @@ static int remove_dirs(struct strbuf *path, const char *prefix, int force_flag, strbuf_setlen(path, original_len); if (*dir_gone) { - res = dry_run ? 0 : rmdir(path->buf); - if (!res) - *dir_gone = 1; - else { - int saved_errno = errno; - quote_path(path->buf, prefix, "ed, 0); - errno = saved_errno; - warning_errno(_(msg_warn_remove_failed), quoted.buf); + /* + * Normalize path components in path->buf, e.g. change '\' to + * '/' on Windows. + */ + strbuf_realpath(&realpath, path->buf, 1); + + /* + * path and realpath are absolute; for comparison, we would + * like to transform startup_info->original_cwd to an absolute + * path too. + */ + if (startup_info->original_cwd) + strbuf_realpath(&real_ocwd, + startup_info->original_cwd, 1); + + if (!strbuf_cmp(&realpath, &real_ocwd)) { + printf("%s", dry_run ? _(msg_would_skip_cwd) : _(msg_skip_cwd)); *dir_gone = 0; - ret = 1; + } else { + res = dry_run ? 0 : rmdir(path->buf); + if (!res) + *dir_gone = 1; + else { + int saved_errno = errno; + quote_path(path->buf, prefix, "ed, 0); + errno = saved_errno; + warning_errno(_(msg_warn_remove_failed), quoted.buf); + *dir_gone = 0; + ret = 1; + } } } @@ -250,6 +274,8 @@ static int remove_dirs(struct strbuf *path, const char *prefix, int force_flag, printf(dry_run ? _(msg_would_remove) : _(msg_remove), dels.items[i].string); } out: + strbuf_release(&realpath); + strbuf_release(&real_ocwd); strbuf_release("ed); string_list_clear(&dels, 0); return ret; diff --git a/t/t2501-cwd-empty.sh b/t/t2501-cwd-empty.sh index e4502d24d57..b1182390ba3 100755 --- a/t/t2501-cwd-empty.sh +++ b/t/t2501-cwd-empty.sh @@ -230,8 +230,9 @@ test_incidental_untracked_dir_removal () { } test_expect_success 'clean does not remove cwd incidentally' ' - test_incidental_untracked_dir_removal failure \ - git -C .. clean -fd -e warnings . >warnings + test_incidental_untracked_dir_removal success \ + git -C .. clean -fd -e warnings . >warnings && + grep "Refusing to remove current working directory" warnings ' test_expect_success 'stash does not remove cwd incidentally' ' -- gitgitgadget