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From: Elijah Newren <newren@gmail.com>
To: git@vger.kernel.org
Cc: "Junio C Hamano" <gitster@pobox.com>, "Jeff King" <peff@peff.net>,
	"Rafael Ascensão" <rafa.almas@gmail.com>,
	"SZEDER Gábor" <szeder.dev@gmail.com>,
	"Samuel Lijin" <sxlijin@gmail.com>,
	"Elijah Newren" <newren@gmail.com>
Subject: [PATCH v4 04/12] dir: also check directories for matching pathspecs
Date: Tue, 17 Sep 2019 09:34:56 -0700
Message-ID: <20190917163504.14566-5-newren@gmail.com> (raw)
In-Reply-To: <20190917163504.14566-1-newren@gmail.com>

Even if a directory doesn't match a pathspec, it is possible, depending
on the precise pathspecs, that some file underneath it might.  So we
special case and recurse into the directory for such situations.  However,
we previously always added any untracked directory that we recursed into
to the list of untracked paths, regardless of whether the directory
itself matched the pathspec.

For the case of git-clean and a set of pathspecs of "dir/file" and "more",
this caused a problem because we'd end up with dir entries for both of
  "dir"
  "dir/file"
Then correct_untracked_entries() would try to helpfully prune duplicates
for us by removing "dir/file" since it's under "dir", leaving us with
  "dir"
Since the original pathspec only had "dir/file", the only entry left
doesn't match and leaves nothing to be removed.  (Note that if only one
pathspec was specified, e.g. only "dir/file", then the common_prefix_len
optimizations in fill_directory would cause us to bypass this problem,
making it appear in simple tests that we could correctly remove manually
specified pathspecs.)

Fix this by actually checking whether the directory we are about to add
to the list of dir entries actually matches the pathspec; only do this
matching check after we have already returned from recursing into the
directory.

Signed-off-by: Elijah Newren <newren@gmail.com>
---
 dir.c            | 5 +++++
 t/t7300-clean.sh | 4 ++--
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/dir.c b/dir.c
index bf1a74799e..76a3c3894b 100644
--- a/dir.c
+++ b/dir.c
@@ -1951,6 +1951,11 @@ static enum path_treatment read_directory_recursive(struct dir_struct *dir,
 							 check_only, stop_at_first_file, pathspec);
 			if (subdir_state > dir_state)
 				dir_state = subdir_state;
+
+			if (!match_pathspec(istate, pathspec, path.buf, path.len,
+					    0 /* prefix */, NULL,
+					    0 /* do NOT special case dirs */))
+				state = path_none;
 		}
 
 		if (check_only) {
diff --git a/t/t7300-clean.sh b/t/t7300-clean.sh
index 2c254c773c..12617158db 100755
--- a/t/t7300-clean.sh
+++ b/t/t7300-clean.sh
@@ -699,7 +699,7 @@ test_expect_failure 'git clean handles being told what to clean' '
 	test_path_is_missing d2/ut
 '
 
-test_expect_failure 'git clean handles being told what to clean, with -d' '
+test_expect_success 'git clean handles being told what to clean, with -d' '
 	mkdir -p d1 d2 &&
 	touch d1/ut d2/ut &&
 	git clean -ffd */ut &&
@@ -715,7 +715,7 @@ test_expect_failure 'git clean works if a glob is passed without -d' '
 	test_path_is_missing d2/ut
 '
 
-test_expect_failure 'git clean works if a glob is passed with -d' '
+test_expect_success 'git clean works if a glob is passed with -d' '
 	mkdir -p d1 d2 &&
 	touch d1/ut d2/ut &&
 	git clean -ffd "*ut" &&
-- 
2.22.1.17.g6e632477f7.dirty


  parent reply index

Thread overview: 73+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-08-25 18:59 [PATCH] t7300-clean: demonstrate deleting nested repo with an ignored file breakage SZEDER Gábor
2019-08-25 20:34 ` SZEDER Gábor
2019-08-25 22:32 ` Philip Oakley
2019-08-26  7:48   ` SZEDER Gábor
2019-09-05 15:47 ` [RFC PATCH v2 00/12] Fix some git clean issues Elijah Newren
2019-09-05 15:47   ` [RFC PATCH v2 01/12] t7300: Add some testcases showing failure to clean specified pathspecs Elijah Newren
2019-09-05 15:47   ` [RFC PATCH v2 02/12] dir: fix typo in comment Elijah Newren
2019-09-05 15:47   ` [RFC PATCH v2 03/12] dir: fix off-by-one error in match_pathspec_item Elijah Newren
2019-09-05 15:47   ` [RFC PATCH v2 04/12] dir: Directories should be checked for matching pathspecs too Elijah Newren
2019-09-05 15:47   ` [RFC PATCH v2 05/12] dir: Make the DO_MATCH_SUBMODULE code reusable for a non-submodule case Elijah Newren
2019-09-05 15:47   ` [RFC PATCH v2 06/12] dir: If our pathspec might match files under a dir, recurse into it Elijah Newren
2019-09-05 15:47   ` [RFC PATCH v2 07/12] dir: add commentary explaining match_pathspec_item's return value Elijah Newren
2019-09-05 15:47   ` [RFC PATCH v2 08/12] git-clean.txt: do not claim we will delete files with -n/--dry-run Elijah Newren
2019-09-05 15:47   ` [RFC PATCH v2 09/12] clean: disambiguate the definition of -d Elijah Newren
2019-09-05 15:47   ` [RFC PATCH v2 10/12] clean: avoid removing untracked files in a nested git repository Elijah Newren
2019-09-05 21:20     ` SZEDER Gábor
2019-09-05 15:47   ` [RFC PATCH v2 11/12] clean: rewrap overly long line Elijah Newren
2019-09-05 15:47   ` [RFC PATCH v2 12/12] clean: fix theoretical path corruption Elijah Newren
2019-09-05 19:27     ` SZEDER Gábor
2019-09-07  0:34       ` Elijah Newren
2019-09-05 19:01   ` [RFC PATCH v2 00/12] Fix some git clean issues SZEDER Gábor
2019-09-07  0:33     ` Elijah Newren
2019-09-12 22:12   ` [PATCH v3 " Elijah Newren
2019-09-12 22:12     ` [PATCH v3 01/12] t7300: add testcases showing failure to clean specified pathspecs Elijah Newren
2019-09-13 18:54       ` Junio C Hamano
2019-09-13 19:10         ` Elijah Newren
2019-09-13 20:29           ` Junio C Hamano
2019-09-12 22:12     ` [PATCH v3 02/12] dir: fix typo in comment Elijah Newren
2019-09-12 22:12     ` [PATCH v3 03/12] dir: fix off-by-one error in match_pathspec_item Elijah Newren
2019-09-13 19:05       ` Junio C Hamano
2019-09-12 22:12     ` [PATCH v3 04/12] dir: also check directories for matching pathspecs Elijah Newren
2019-09-12 22:12     ` [PATCH v3 05/12] dir: make the DO_MATCH_SUBMODULE code reusable for a non-submodule case Elijah Newren
2019-09-12 22:12     ` [PATCH v3 06/12] dir: if our pathspec might match files under a dir, recurse into it Elijah Newren
2019-09-13 19:45       ` Junio C Hamano
2019-09-12 22:12     ` [PATCH v3 07/12] dir: add commentary explaining match_pathspec_item's return value Elijah Newren
2019-09-13 20:04       ` Junio C Hamano
2019-09-12 22:12     ` [PATCH v3 08/12] git-clean.txt: do not claim we will delete files with -n/--dry-run Elijah Newren
2019-09-12 22:12     ` [PATCH v3 09/12] clean: disambiguate the definition of -d Elijah Newren
2019-09-12 22:12     ` [PATCH v3 10/12] clean: avoid removing untracked files in a nested git repository Elijah Newren
2019-09-12 22:12     ` [PATCH v3 11/12] clean: rewrap overly long line Elijah Newren
2019-09-12 22:12     ` [PATCH v3 12/12] clean: fix theoretical path corruption Elijah Newren
2019-09-17 16:34     ` [PATCH v4 00/12] Fix some git clean issues Elijah Newren
2019-09-17 16:34       ` [PATCH v4 01/12] t7300: add testcases showing failure to clean specified pathspecs Elijah Newren
2019-09-17 16:34       ` [PATCH v4 02/12] dir: fix typo in comment Elijah Newren
2019-09-17 16:34       ` [PATCH v4 03/12] dir: fix off-by-one error in match_pathspec_item Elijah Newren
2019-09-17 16:34       ` Elijah Newren [this message]
2019-09-25 20:39         ` [BUG] git is segfaulting, was [PATCH v4 04/12] dir: also check directories for matching pathspecs Denton Liu
2019-09-25 21:28           ` Elijah Newren
2019-09-25 21:55             ` Denton Liu
2019-09-26 20:35               ` Denton Liu
2019-09-27  0:12                 ` Elijah Newren
2019-09-27  1:09           ` SZEDER Gábor
2019-09-27  2:17             ` SZEDER Gábor
2019-09-27 17:10               ` Denton Liu
2019-09-30 19:11                 ` [PATCH] dir: special case check for the possibility that pathspec is NULL Elijah Newren
2019-09-30 22:31                   ` Denton Liu
2019-10-01  7:01                     ` Elijah Newren
2019-10-01 18:30                   ` [PATCH v2] " Elijah Newren
2019-10-01 18:40                     ` Denton Liu
2019-10-01 18:54                       ` Elijah Newren
2019-10-01 18:55                       ` [PATCH v3] " Elijah Newren
2019-10-01 19:35                         ` Denton Liu
2019-10-01 19:39                           ` Elijah Newren
2019-10-02 15:51                             ` Elijah Newren
2019-10-07 18:04                         ` SZEDER Gábor
2019-09-17 16:34       ` [PATCH v4 05/12] dir: make the DO_MATCH_SUBMODULE code reusable for a non-submodule case Elijah Newren
2019-09-17 16:34       ` [PATCH v4 06/12] dir: if our pathspec might match files under a dir, recurse into it Elijah Newren
2019-09-17 16:34       ` [PATCH v4 07/12] dir: add commentary explaining match_pathspec_item's return value Elijah Newren
2019-09-17 16:35       ` [PATCH v4 08/12] git-clean.txt: do not claim we will delete files with -n/--dry-run Elijah Newren
2019-09-17 16:35       ` [PATCH v4 09/12] clean: disambiguate the definition of -d Elijah Newren
2019-09-17 16:35       ` [PATCH v4 10/12] clean: avoid removing untracked files in a nested git repository Elijah Newren
2019-09-17 16:35       ` [PATCH v4 11/12] clean: rewrap overly long line Elijah Newren
2019-09-17 16:35       ` [PATCH v4 12/12] clean: fix theoretical path corruption Elijah Newren

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