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From: Jeff King <peff@peff.net>
To: "Ævar Arnfjörð Bjarmason" <avarab@gmail.com>
Cc: Blake Burkhart <bburky@bburky.com>,
	Junio C Hamano <gitster@pobox.com>, git <git@vger.kernel.org>
Subject: Re: [PATCH 6/6] mailmap: do not respect symlinks for in-tree .mailmap
Date: Tue, 16 Feb 2021 09:57:37 -0500	[thread overview]
Message-ID: <YCvdYTSOK5bLpo5h@coredump.intra.peff.net> (raw)
In-Reply-To: <YCvaVZEUuIwAFWxe@coredump.intra.peff.net>

On Tue, Feb 16, 2021 at 09:44:37AM -0500, Jeff King wrote:

> @@ -225,10 +235,12 @@ int read_mailmap(struct string_list *map)
>  	if (!git_mailmap_blob && is_bare_repository())
>  		git_mailmap_blob = "HEAD:.mailmap";
>  
> -	err |= read_mailmap_file(map, ".mailmap");
> +	err |= read_mailmap_file(map, ".mailmap",
> +				 startup_info->have_repository ?
> +				 MAILMAP_NOFOLLOW : 0);

This conflicts with my jk/mailmap-only-at-root topic currently in
"next", of course. Ditto for the new tests.

The resolution is pretty straight-forward, though:

diff --cc mailmap.c
index 9bb9cf8b30,7ac966107e..0000000000
--- a/mailmap.c
+++ b/mailmap.c
@@@ -225,11 -235,12 +235,13 @@@ int read_mailmap(struct string_list *ma
  	if (!git_mailmap_blob && is_bare_repository())
  		git_mailmap_blob = "HEAD:.mailmap";
  
 -	err |= read_mailmap_file(map, ".mailmap",
 -				 startup_info->have_repository ?
 -				 MAILMAP_NOFOLLOW : 0);
 +	if (!startup_info->have_repository || !is_bare_repository())
- 		err |= read_mailmap_file(map, ".mailmap");
++		err |= read_mailmap_file(map, ".mailmap",
++					 startup_info->have_repository ?
++					 MAILMAP_NOFOLLOW : 0);
  	if (startup_info->have_repository)
  		err |= read_mailmap_blob(map, git_mailmap_blob);
- 	err |= read_mailmap_file(map, git_mailmap_file);
+ 	err |= read_mailmap_file(map, git_mailmap_file, 0);
  	return err;
  }
  
diff --cc t/t4203-mailmap.sh
index 93caf9a46d,96a4e6132f..0000000000
--- a/t/t4203-mailmap.sh
+++ b/t/t4203-mailmap.sh
@@@ -889,47 -889,35 +889,78 @@@ test_expect_success 'empty syntax: setu
  	test_cmp expect actual
  '
  
 +test_expect_success 'set up mailmap location tests' '
 +	git init --bare loc-bare &&
 +	git --git-dir=loc-bare --work-tree=. commit \
 +		--allow-empty -m foo --author="Orig <orig@example.com>" &&
 +	echo "New <new@example.com> <orig@example.com>" >loc-bare/.mailmap
 +'
 +
 +test_expect_success 'bare repo with --work-tree finds mailmap at top-level' '
 +	git -C loc-bare --work-tree=. log -1 --format=%aE >actual &&
 +	echo new@example.com >expect &&
 +	test_cmp expect actual
 +'
 +
 +test_expect_success 'bare repo does not look in current directory' '
 +	git -C loc-bare log -1 --format=%aE >actual &&
 +	echo orig@example.com >expect &&
 +	test_cmp expect actual
 +'
 +
 +test_expect_success 'non-git shortlog respects mailmap in current dir' '
 +	git --git-dir=loc-bare log -1 >input &&
 +	nongit cp "$TRASH_DIRECTORY/loc-bare/.mailmap" . &&
 +	nongit git shortlog -s <input >actual &&
 +	echo "     1	New" >expect &&
 +	test_cmp expect actual
 +'
 +
 +test_expect_success 'shortlog on stdin respects mailmap from repo' '
 +	cp loc-bare/.mailmap . &&
 +	git shortlog -s <input >actual &&
 +	echo "     1	New" >expect &&
 +	test_cmp expect actual
 +'
 +
 +test_expect_success 'find top-level mailmap from subdir' '
 +	git clone loc-bare loc-wt &&
 +	cp loc-bare/.mailmap loc-wt &&
 +	mkdir loc-wt/subdir &&
 +	git -C loc-wt/subdir log -1 --format=%aE >actual &&
 +	echo new@example.com >expect &&
 +	test_cmp expect actual
 +'
 +
+ test_expect_success SYMLINKS 'set up symlink tests' '
+ 	git commit --allow-empty -m foo --author="Orig <orig@example.com>" &&
+ 	echo "New <new@example.com> <orig@example.com>" >map &&
+ 	rm -f .mailmap
+ '
+ 
+ test_expect_success SYMLINKS 'symlinks respected in mailmap.file' '
+ 	test_when_finished "rm symlink" &&
+ 	ln -s map symlink &&
+ 	git -c mailmap.file="$(pwd)/symlink" log -1 --format=%aE >actual &&
+ 	echo "new@example.com" >expect &&
+ 	test_cmp expect actual
+ '
+ 
+ test_expect_success SYMLINKS 'symlinks respected in non-repo shortlog' '
+ 	git log -1 >input &&
+ 	test_when_finished "nongit rm .mailmap" &&
+ 	nongit ln -sf "$TRASH_DIRECTORY/map" .mailmap &&
+ 	nongit git shortlog -s <input >actual &&
+ 	echo "     1	New" >expect &&
+ 	test_cmp expect actual
+ '
+ 
+ test_expect_success SYMLINKS 'symlinks not respected in-tree' '
+ 	test_when_finished "rm .mailmap" &&
+ 	ln -s map .mailmap &&
+ 	git log -1 --format=%aE >actual &&
+ 	echo "orig@example.com" >expect&&
+ 	test_cmp expect actual
+ '
+ 
  test_done

  reply	other threads:[~2021-02-16 14:58 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-02-13 17:49 Limited local file inclusion with .mailmap symlinks and git-archive Blake Burkhart
2021-02-15 23:17 ` Jeff King
2021-02-15 23:18   ` [PATCH 1/2] fsck: make symlinked .gitignore and .gitattributes a warning Jeff King
2021-02-16  0:38     ` Ævar Arnfjörð Bjarmason
2021-02-16  1:16       ` Jeff King
2021-02-16  1:56         ` Junio C Hamano
2021-02-16 12:54           ` Jeff King
2021-02-16 12:48         ` Jeff King
2021-02-16 14:43           ` [PATCH 0/6] open in-tree files with O_NOFOLLOW Jeff King
2021-02-16 14:44             ` [PATCH 1/6] add open_nofollow() helper Jeff King
2021-02-16 14:54               ` Jeff King
2021-02-16 15:44                 ` Taylor Blau
2021-02-16 16:02                   ` Jeff King
2021-02-16 16:07                     ` Taylor Blau
2021-02-16 16:11                       ` Taylor Blau
2021-02-16 16:19                         ` Jeff King
2021-02-16 14:44             ` [PATCH 2/6] attr: convert "macro_ok" into a flags field Jeff King
2021-02-16 14:44             ` [PATCH 3/6] exclude: add flags parameter to add_patterns() Jeff King
2021-02-16 14:44             ` [PATCH 4/6] attr: do not respect symlinks for in-tree .gitattributes Jeff King
2021-02-16 14:44             ` [PATCH 5/6] exclude: do not respect symlinks for in-tree .gitignore Jeff King
2021-02-16 14:44             ` [PATCH 6/6] mailmap: do not respect symlinks for in-tree .mailmap Jeff King
2021-02-16 14:57               ` Jeff King [this message]
2021-02-25 19:25             ` [PATCH 0/6] open in-tree files with O_NOFOLLOW Junio C Hamano
2021-02-26  6:35               ` Jeff King
2021-02-15 23:19   ` [PATCH 2/2] disallow symlinked .mailmap files Jeff King

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