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From: Junio C Hamano <gitster@pobox•com>
To: "Nguyễn Thái Ngọc Duy" <pclouds@gmail•com>
Cc: git@vger•kernel.org, yuri.kanivetsky@gmail•com
Subject: Re: [PATCH] cache-tree.c: fix i-t-a check skipping directory updates sometimes
Date: Wed, 06 Jul 2016 10:55:02 -0700	[thread overview]
Message-ID: <xmqq8txetzwp.fsf@gitster.mtv.corp.google.com> (raw)
In-Reply-To: <xmqqd1mqu0g6.fsf@gitster.mtv.corp.google.com> (Junio C. Hamano's message of "Wed, 06 Jul 2016 10:43:21 -0700")

Junio C Hamano <gitster@pobox•com> writes:

> Nguyễn Thái Ngọc Duy  <pclouds@gmail•com> writes:
>
>> Fix it by making sure we only skip i-t-a entries when the entry in
>> question is actual an index entry, not a directory.
>
> Aha.  Good catch.
>
> However, this makes me wonder if subdir has only files all of which
> are i-t-a.  The resulting top-level tree object should not record
> subdir/ as an empty (sub)directory in that case.  I do not see where
> you are ensuring it in the patch below, though.

Here is a fix-up to the test part to avoid "touch" if we are not
interested in timestamp, and to avoid "git" command in the upstream
of a pipe, plus an additional test to help further bugfix to make
sure a directory that becomes empty with this culling is not
included in the end result.

Thanks for looking into this topic.

 t/t2203-add-intent.sh | 28 +++++++++++++++++++++++++---
 1 file changed, 25 insertions(+), 3 deletions(-)

diff --git a/t/t2203-add-intent.sh b/t/t2203-add-intent.sh
index 12d701c..1fc8d3f 100755
--- a/t/t2203-add-intent.sh
+++ b/t/t2203-add-intent.sh
@@ -87,11 +87,33 @@ test_expect_success 'cache-tree does not ignore dir that has i-t-a entries' '
 	(
 		cd ita-in-dir &&
 		mkdir 2 &&
-		touch 1 2/1 2/2 3 &&
+		for f in 1 2/1 2/2 3
+		do
+			echo "$f" >"$f"
+		done &&
 		git add 1 2/2 3 &&
 		git add -N 2/1 &&
-		git commit -m comitted &&
-		git ls-tree -r HEAD | grep 2/2
+		git commit -m committed &&
+		git ls-tree -r HEAD >actual &&
+		grep 2/2 actual
+	)
+'
+
+test_expect_success 'cache-tree does skip dir that becomes empty' '
+	rm -fr ita-in-dir &&
+	git init ita-in-dir &&
+	(
+		cd ita-in-dir &&
+		mkdir 2 &&
+		for f in 1 2/1 2/2 3
+		do
+			echo "$f" >"$f"
+		done &&
+		git add 1 3 &&
+		git add -N 2/1 &&
+		git commit -m committed &&
+		git ls-tree HEAD >actual &&
+		! grep 2 actual
 	)
 '
 

  reply	other threads:[~2016-07-06 17:55 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-07-04 13:50 Git doesn't always add files to a commit (amend) Yuri Kanivetsky
2016-07-04 15:48 ` Duy Nguyen
2016-07-04 17:48 ` [PATCH] cache-tree.c: fix i-t-a check skipping directory updates sometimes Nguyễn Thái Ngọc Duy
2016-07-06 17:43   ` Junio C Hamano
2016-07-06 17:55     ` Junio C Hamano [this message]
2016-07-06 18:48   ` [PATCH v2 0/2] cache-tree building fix in the presence of ita entries Nguyễn Thái Ngọc Duy
2016-07-06 18:48     ` [PATCH v2 1/2] cache-tree.c: fix i-t-a entry skipping directory updates sometimes Nguyễn Thái Ngọc Duy
2016-07-06 18:48     ` [PATCH v2 2/2] cache-tree: do not generate empty trees as a result of all i-t-a subentries Nguyễn Thái Ngọc Duy
2016-07-06 19:26       ` Junio C Hamano
2016-07-07 17:12         ` Duy Nguyen
2016-07-07 18:52           ` Junio C Hamano
2016-07-08 15:39             ` Duy Nguyen
2016-07-08 15:53               ` Junio C Hamano
2016-07-08 16:36                 ` Duy Nguyen
2016-07-08 17:23                   ` Junio C Hamano
2016-07-09  5:23     ` [PATCH v3 0/4] cache-tree building fix in the presence of ita entries Nguyễn Thái Ngọc Duy
2016-07-09  5:23       ` [PATCH v3 1/4] test-lib.sh: introduce and use $_EMPTY_TREE Nguyễn Thái Ngọc Duy
2016-07-12 20:40         ` Junio C Hamano
2016-07-13 15:04           ` Duy Nguyen
2016-07-09  5:23       ` [PATCH v3 2/4] test-lib.sh: introduce and use $_EMPTY_BLOB Nguyễn Thái Ngọc Duy
2016-07-09  5:23       ` [PATCH v3 3/4] cache-tree.c: fix i-t-a entry skipping directory updates sometimes Nguyễn Thái Ngọc Duy
2016-07-09  5:23       ` [PATCH v3 4/4] cache-tree: do not generate empty trees as a result of all i-t-a subentries Nguyễn Thái Ngọc Duy
2016-07-12 20:49         ` Junio C Hamano
2016-07-13 14:59           ` Duy Nguyen
2016-07-16  5:06       ` [PATCH v4 0/4] cache-tree building fix in the presence of ita entries Nguyễn Thái Ngọc Duy
2016-07-16  5:06         ` [PATCH v4 1/4] test-lib.sh: introduce and use $EMPTY_TREE Nguyễn Thái Ngọc Duy
2016-07-16  5:06         ` [PATCH v4 2/4] test-lib.sh: introduce and use $EMPTY_BLOB Nguyễn Thái Ngọc Duy
2016-07-16  5:06         ` [PATCH v4 3/4] cache-tree.c: fix i-t-a entry skipping directory updates sometimes Nguyễn Thái Ngọc Duy
2016-07-16  5:06         ` [PATCH v4 4/4] cache-tree: do not generate empty trees as a result of all i-t-a subentries Nguyễn Thái Ngọc Duy
2016-07-18 20:48         ` [PATCH v4 0/4] cache-tree building fix in the presence of ita entries Junio C Hamano

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