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[PATCH] t9604: Fix test for musl libc and new Debian

From
Đoàn Trần Công Danh <congdanhqx@gmail.com>
Date
Apr 6, 2024, 03:29 UTC
Message-ID
<23a4298eababe54ca4b43d7b675b858605d20ec5.1712374021.git.congdanhqx@gmail.com>

CST6CDT and the like are POSIX timezone, with no rule for transition. And POSIX doesn't enforce how to interpret the rule if it's omited. Some libc resorted back to IANA (formerly Olson) db rules for those timezones. Other libc (e.g. musl) interpret that as no transition at all [1].

In addition, distributions (notoriously Debian-derived, which uses IANA db for CST6CDT and the like) started to split "legacy" timezones like CST6CDT, EST5EDT into `tzdata-legacy', which will not be installed by default [2].

In those cases, t9604 will run into failure.
Let's switch to POSIX timezone with rules to change timezone.

1: http://mm.icann.org/pipermail/tz/2024-March/058751.html 2: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1043250

Signed-off-by: Đoàn Trần Công Danh <congdanhqx@gmail.com>
---
* Note that since our tests are pre-2007, I use the old rules in the timezone.
* We can also use IANA notations, which I believe is better, but that mean we
  will depends on IANA db
 t/t9604-cvsimport-timestamps.sh | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)
diff --git a/t/t9604-cvsimport-timestamps.sh b/t/t9604-cvsimport-timestamps.sh
index 2ff4aa932df44..07560d4779872 100755
--- a/t/t9604-cvsimport-timestamps.sh
+++ b/t/t9604-cvsimport-timestamps.sh
@@ -5,9 +5,10 @@ test_description='git cvsimport timestamps'
 
 setup_cvs_test_repository t9604
 
-test_expect_success PERL 'check timestamps are UTC (TZ=CST6CDT)' '
+test_expect_success PERL 'check timestamps are UTC (TZ=America/Chicago)' '
 
-	TZ=CST6CDT git cvsimport -p"-x" -C module-1 module &&
+	TZ=CST6CDT,M4.1.0,M10.5.0 \
+	git cvsimport -p"-x" -C module-1 module &&
 	git cvsimport -p"-x" -C module-1 module &&
 	(
 		cd module-1 &&
@@ -38,9 +39,9 @@ test_expect_success PERL 'check timestamps with author-specific timezones' '
 
 	cat >cvs-authors <<-EOF &&
 	user1=User One <user1@domain.org>
-	user2=User Two <user2@domain.org> CST6CDT
-	user3=User Three <user3@domain.org> EST5EDT
-	user4=User Four <user4@domain.org> MST7MDT
+	user2=User Two <user2@domain.org> CST6CDT,M4.1.0,M10.5.0
+	user3=User Three <user3@domain.org> EST5EDT,M4.1.0,M10.5.0
+	user4=User Four <user4@domain.org> MST7MDT,M4.1.0,M10.5.0
 	EOF
 	git cvsimport -p"-x" -A cvs-authors -C module-2 module &&
 	(
-- 
2.44.0.rc0.258.g7320e9588666f
Next: Junio C Hamano
Message 1 of 12 in “t9604: Fix test for musl libc and new Debian”
  1. t9604: Fix test for musl libc and new DebianĐoàn Trần Công Danh, Apr 6, 2024
  2. Junio C HamanoApr 6, 2024
  3. Đoàn Trần Công DanhApr 7, 2024
  4. Junio C HamanoApr 8, 2024
  5. Jeff KingApr 7, 2024
  6. Đoàn Trần Công DanhApr 7, 2024
  7. Đoàn Trần Công DanhApr 7, 2024
  8. t9604: Fix test for musl libc and new DebianĐoàn Trần Công Danh, Apr 10, 2024
  9. Eric SunshineApr 10, 2024
  10. Đoàn Trần Công DanhApr 10, 2024
  11. Eric SunshineApr 10, 2024
  12. Đoàn Trần Công DanhApr 10, 2024

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