From: Phillip Wood <phillip.wood@talktalk.net>
To: Git Mailing List <git@vger.kernel.org>
Cc: Junio C Hamano <gitster@pobox.com>,
Phillip Wood <phillip.wood@dunelm.org.uk>
Subject: Re: [PATCH v2 5/9] t3701: add failing test for pathological context lines
Date: Wed, 21 Feb 2018 11:28:31 +0000 [thread overview]
Message-ID: <69548d34-3982-6eb7-2620-6e223ab80aaf@talktalk.net> (raw)
In-Reply-To: <20180219112910.24471-6-phillip.wood@talktalk.net>
On 19/02/18 11:29, Phillip Wood wrote:
> From: Phillip Wood <phillip.wood@dunelm.org.uk>
>
> When a hunk is skipped by add -i the offsets of subsequent hunks are
> not adjusted to account for any missing insertions due to the skipped
> hunk. Most of the time this does not matter as apply uses the context
> lines to apply the subsequent hunks in the correct place, however in
> pathological cases the context lines will match at the now incorrect
> offset and the hunk will be applied in the wrong place. The offsets of
> hunks following an edited hunk that has had the number of insertions
> or deletions changed also need to be updated in the same way. Add
> failing tests to demonstrate this.
>
> Signed-off-by: Phillip Wood <phillip.wood@dunelm.org.uk>
> ---
>
> Notes:
> changes since v1:
> - changed edit test to use the existing fake editor and to strip
> the hunk header and some context lines as well as deleting an
> insertion
> - style fixes
>
> t/t3701-add-interactive.sh | 31 +++++++++++++++++++++++++++++++
> 1 file changed, 31 insertions(+)
>
> diff --git a/t/t3701-add-interactive.sh b/t/t3701-add-interactive.sh
> index 70748393f28c93f4bc5d43b07bd96bd208aba3e9..06c4747f506a1b05ccad0f9387e1fbd69cfd7784 100755
> --- a/t/t3701-add-interactive.sh
> +++ b/t/t3701-add-interactive.sh
> @@ -511,4 +511,35 @@ test_expect_success 'status ignores dirty submodules (except HEAD)' '
> ! grep dirty-otherwise output
> '
>
> +test_expect_success 'set up pathological context' '
> + git reset --hard &&
> + test_write_lines a a a a a a a a a a a >a &&
> + git add a &&
> + git commit -m a &&
> + test_write_lines c b a a a a a a a b a a a a >a &&
> + test_write_lines a a a a a a a b a a a a >expected-1 &&
> + test_write_lines b a a a a a a a b a a a a >expected-2 &&
> + # check editing can cope with missing header and deleted context lines
> + # as well as changes to other lines
> + test_write_lines +b " a" >patch
> +'
> +
> +test_expect_failure 'add -p works with pathological context lines' '
> + git reset &&
> + printf "%s\n" n y |
> + git add -p &&
> + git cat-file blob :a >actual &&
> + test_cmp expected-1 actual
> +'
> +
> +test_expect_failure 'add -p patch editing works with pathological context lines' '
> + git reset &&
> + test_set_editor "$FAKE_EDITOR" &&
In light of the discussion of patch 2, I think this line should be deleted
> + # n q q below is in case edit fails
> + printf "%s\n" e y n q q |
> + git add -p &&
> + git cat-file blob :a >actual &&
> + test_cmp expected-2 actual
> +'
> +
> test_done
>
next prev parent reply other threads:[~2018-02-21 11:28 UTC|newest]
Thread overview: 79+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-02-13 10:44 [PATCH 0/4] Correct offsets of hunks when one is skipped Phillip Wood
2018-02-13 10:44 ` [PATCH 1/4] add -i: add function to format hunk header Phillip Wood
2018-02-13 10:44 ` [PATCH 2/4] t3701: add failing test for pathological context lines Phillip Wood
2018-02-13 20:35 ` Junio C Hamano
2018-02-13 10:44 ` [PATCH 3/4] add -p: Adjust offsets of subsequent hunks when one is skipped Phillip Wood
2018-02-13 10:44 ` [PATCH 4/4] add -p: calculate offset delta for edited patches Phillip Wood
2018-02-13 23:56 ` [PATCH 0/4] Correct offsets of hunks when one is skipped brian m. carlson
2018-02-19 13:01 ` Phillip Wood
2018-02-19 11:29 ` [PATCH v2 0/9] " Phillip Wood
2018-02-19 11:29 ` [PATCH v2 1/9] add -i: add function to format hunk header Phillip Wood
2018-02-20 18:21 ` Junio C Hamano
2018-02-19 11:29 ` [PATCH v2 2/9] t3701: indent here documents Phillip Wood
2018-02-19 18:36 ` Eric Sunshine
2018-02-19 11:29 ` [PATCH v2 3/9] t3701: use test_write_lines and write_script Phillip Wood
2018-02-19 18:47 ` Eric Sunshine
2018-02-20 17:19 ` Junio C Hamano
2018-02-21 11:26 ` Phillip Wood
2018-02-19 11:29 ` [PATCH v2 4/9] t3701: don't hard code sha1 hash values Phillip Wood
2018-02-19 18:52 ` Eric Sunshine
2018-02-20 17:39 ` Junio C Hamano
2018-02-21 11:42 ` Phillip Wood
2018-02-21 16:58 ` Junio C Hamano
2018-02-19 11:29 ` [PATCH v2 5/9] t3701: add failing test for pathological context lines Phillip Wood
2018-02-21 11:28 ` Phillip Wood [this message]
2018-02-19 11:29 ` [PATCH v2 6/9] add -p: Adjust offsets of subsequent hunks when one is skipped Phillip Wood
2018-02-19 11:29 ` [PATCH v2 7/9] add -p: calculate offset delta for edited patches Phillip Wood
2018-02-19 11:29 ` [PATCH v2 8/9] add -p: fix counting when splitting and coalescing Phillip Wood
2018-02-19 11:29 ` [PATCH v2 9/9] add -p: don't rely on apply's '--recount' option Phillip Wood
2018-02-20 18:50 ` Junio C Hamano
2018-02-27 11:03 ` [PATCH v3 0/9] Correct offsets of hunks when one is skipped Phillip Wood
2018-02-27 11:03 ` [PATCH v3 1/9] add -i: add function to format hunk header Phillip Wood
2018-02-27 11:03 ` [PATCH v3 2/9] t3701: indent here documents Phillip Wood
2018-02-27 22:35 ` Junio C Hamano
2018-02-28 11:00 ` Phillip Wood
2018-02-28 15:37 ` Junio C Hamano
2018-03-01 10:57 ` Phillip Wood
2018-03-01 15:58 ` Junio C Hamano
2018-02-27 11:03 ` [PATCH v3 3/9] t3701: use test_write_lines and write_script Phillip Wood
2018-02-27 11:03 ` [PATCH v3 4/9] t3701: don't hard code sha1 hash values Phillip Wood
2018-02-27 22:42 ` Junio C Hamano
2018-02-28 11:03 ` Phillip Wood
2018-02-28 11:10 ` Phillip Wood
2018-02-27 11:04 ` [PATCH v3 5/9] t3701: add failing test for pathological context lines Phillip Wood
2018-02-27 11:04 ` [PATCH v3 6/9] add -p: Adjust offsets of subsequent hunks when one is skipped Phillip Wood
2018-02-27 11:04 ` [PATCH v3 7/9] add -p: calculate offset delta for edited patches Phillip Wood
2018-02-27 11:04 ` [PATCH v3 8/9] add -p: fix counting when splitting and coalescing Phillip Wood
2018-02-27 11:04 ` [PATCH v3 9/9] add -p: don't rely on apply's '--recount' option Phillip Wood
2018-03-01 10:50 ` [PATCH v4 0/9] Correct offsets of hunks when one is skipped Phillip Wood
2018-03-01 10:50 ` [PATCH v4 1/9] add -i: add function to format hunk header Phillip Wood
2018-03-01 10:50 ` [PATCH v4 2/9] t3701: indent here documents Phillip Wood
2018-03-01 10:50 ` [PATCH v4 3/9] t3701: use test_write_lines and write_script Phillip Wood
2018-03-01 10:50 ` [PATCH v4 4/9] t3701: don't hard code sha1 hash values Phillip Wood
2018-03-02 15:55 ` SZEDER Gábor
2018-03-02 16:09 ` Junio C Hamano
2018-03-05 10:59 ` Phillip Wood
2018-03-05 12:32 ` SZEDER Gábor
2018-03-01 10:50 ` [PATCH v4 5/9] t3701: add failing test for pathological context lines Phillip Wood
2018-03-01 10:51 ` [PATCH v4 6/9] add -p: adjust offsets of subsequent hunks when one is skipped Phillip Wood
2018-03-01 10:51 ` [PATCH v4 7/9] add -p: calculate offset delta for edited patches Phillip Wood
2018-03-01 20:14 ` Junio C Hamano
2018-03-02 10:36 ` Phillip Wood
2018-03-01 10:51 ` [PATCH v4 8/9] add -p: fix counting when splitting and coalescing Phillip Wood
2018-03-01 20:29 ` Junio C Hamano
2018-03-02 10:48 ` Phillip Wood
2018-03-01 10:51 ` [PATCH v4 9/9] add -p: don't rely on apply's '--recount' option Phillip Wood
2018-03-01 20:30 ` Junio C Hamano
2018-03-02 10:49 ` Phillip Wood
2018-03-05 10:56 ` [PATCH v5 0/9] Correct offsets of hunks when one is skipped Phillip Wood
2018-03-05 10:56 ` [PATCH v5 1/9] add -i: add function to format hunk header Phillip Wood
2018-03-05 10:56 ` [PATCH v5 2/9] t3701: indent here documents Phillip Wood
2018-03-05 10:56 ` [PATCH v5 3/9] t3701: use test_write_lines and write_script Phillip Wood
2018-03-05 10:56 ` [PATCH v5 4/9] t3701: don't hard code sha1 hash values Phillip Wood
2018-03-05 10:56 ` [PATCH v5 5/9] t3701: add failing test for pathological context lines Phillip Wood
2018-03-05 10:56 ` [PATCH v5 6/9] add -p: adjust offsets of subsequent hunks when one is skipped Phillip Wood
2018-03-05 10:56 ` [PATCH v5 7/9] add -p: calculate offset delta for edited patches Phillip Wood
2018-03-05 10:56 ` [PATCH v5 8/9] add -p: fix counting when splitting and coalescing Phillip Wood
2018-03-05 10:56 ` [PATCH v5 9/9] add -p: don't rely on apply's '--recount' option Phillip Wood
2018-03-05 18:50 ` [PATCH v5 0/9] Correct offsets of hunks when one is skipped Junio C Hamano
2018-03-06 10:25 ` Phillip Wood
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