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[PATCH 2/2] send-email: don't needlessly abs_path() the core.hooksPath

From
Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Date
May 24, 2021, 23:14 UTC
Message-ID
<patch-2.2-d097e7b0b81-20210524T231047Z-avarab@gmail.com>
In-Reply-To
<cover-0.2-00000000000-20210524T231047Z-avarab@gmail.com>

In c8243933c74 (git-send-email: Respect core.hooksPath setting, 2021-03-23) we started supporting core.hooksPath in "send-email". It's been reported that on Windows[1] doing this by calling abs_path() results in different canonicalizations of the absolute path.

This wasn't an issue in c8243933c74 itself, but was revealed by my ea7811b37e0 (git-send-email: improve --validate error output, 2021-04-06) when we started emitting the path to the hook, which was previously only internal to git-send-email.perl.

I think this change should let us have our cake and eat it too. We now emit a relative path for the common case where the hook is in the .git/hooks directory, but in the case it's an absolute path (there's another test for that, not seen here) we'll prefix it with $(pwd).

I hope that unlike the current implementation that $(pwd) v.s. $PWD difference won't matter on Windows, since now the absolute path is the one we get from rev-parse, not the one that's been passed through Perl's Cwd::abs_path().

1. http://lore.kernel.org/git/bb30fe2b-cd75-4782-24a6-08bb002a0367@kdbg.org
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
---
 perl/Git.pm           | 3 +--
 t/t9001-send-email.sh | 2 +-
 2 files changed, 2 insertions(+), 3 deletions(-)
diff --git a/perl/Git.pm b/perl/Git.pm
index 73ebbf80cc6..df6280ebab5 100644
--- a/perl/Git.pm
+++ b/perl/Git.pm
@@ -629,8 +629,7 @@ sub hooks_path {
 	my ($self) = @_;
 
 	my $dir = $self->command_oneline('rev-parse', '--git-path', 'hooks');
-	my $abs = abs_path($dir);
-	return $abs;
+	return $dir;
 }
 
 =item wc_path ()
diff --git a/t/t9001-send-email.sh b/t/t9001-send-email.sh
index 2acf389837c..3b7540050ca 100755
--- a/t/t9001-send-email.sh
+++ b/t/t9001-send-email.sh
@@ -539,7 +539,7 @@ test_expect_success $PREREQ "--validate respects relative core.hooksPath path" '
 	test_path_is_file my-hooks.ran &&
 	cat >expect <<-EOF &&
 	fatal: longline.patch: rejected by sendemail-validate hook
-	fatal: command '"'"'$(pwd)/my-hooks/sendemail-validate'"'"' died with exit code 1
+	fatal: command '"'"'my-hooks/sendemail-validate'"'"' died with exit code 1
 	warning: no patches were sent
 	EOF
 	test_cmp expect actual
-- 
2.32.0.rc1.385.g9db524b96f7
Previous: Ævar Arnfjörð BjarmasonNext: Junio C Hamano
Message 7 of 20 in “t9001-send-email.sh: fix expected absolute paths on Windows”
  1. t9001-send-email.sh: fix expected absolute paths on WindowsJohannes Sixt, May 24, 2021
  2. Jonathan NiederMay 24, 2021
  3. Ævar Arnfjörð BjarmasonMay 24, 2021
  4. Ævar Arnfjörð BjarmasonMay 24, 2021
  5. 0/2 send-email: pre-release fixes for v2.32.0Ævar Arnfjörð Bjarmason, May 24, 2021
  6. 1/2 send-email: fix missing error message regressionÆvar Arnfjörð Bjarmason, May 24, 2021
  7. 2/2 send-email: don't needlessly abs_path() the core.hooksPathÆvar Arnfjörð Bjarmason, May 24, 2021
  8. Junio C HamanoMay 25, 2021
  9. Robert FossMay 25, 2021
  10. Ævar Arnfjörð BjarmasonMay 25, 2021
  11. Ævar Arnfjörð BjarmasonMay 25, 2021
  12. Robert FossMay 25, 2021
  13. Junio C HamanoMay 25, 2021
  14. Ævar Arnfjörð BjarmasonMay 25, 2021
  15. Junio C HamanoMay 25, 2021
  16. 0/2 send-email: don't needlessly abs_path() the core.hooksPathÆvar Arnfjörð Bjarmason, May 26, 2021
  17. 1/2 send-email: don't needlessly abs_path() the core.hooksPathÆvar Arnfjörð Bjarmason, May 26, 2021
  18. 2/2 send-email: move "hooks_path" invocation to git-send-email.perlÆvar Arnfjörð Bjarmason, May 26, 2021
  19. Felipe ContrerasMay 26, 2021
  20. Johannes SchindelinJun 2, 2021

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