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tests: fix and add lint for non-portable grep --file 

The --file option to grep isn't in POSIX[1], but -f is[1]. Let's check
for that in the future, and fix the portability regression in
f237c8b6fe ("commit-graph: implement git-commit-graph write",
2018-04-02) that broke e.g. AIX.

1. http://pubs.opengroup.org/onlinepubs/009695399/utilities/grep.html

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Ævar Arnfjörð Bjarmason 2018-08-24 15:20:16 +00:00 committed by Junio C Hamano
parent 8c97e38731
commit 4a3ed63802
2 changed files with 2 additions and 1 deletions
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1
t/check-non-portable-shell.pl
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@ -43,6 +43,7 @@ sub err {
/\bwc -l.*"\s*=/ and err '`"$(wc -l)"` is not portable (use test_line_count)';
/\bhead\s+-c\b/ and err 'head -c is not portable (use test_copy_bytes BYTES <file >out)';
/(?:\$\(seq|^\s*seq\b)/ and err 'seq is not portable (use test_seq)';
/\bgrep\b.*--file\b/ and err 'grep --file FILE is not portable (use grep -f FILE)';
/\bexport\s+[A-Za-z0-9_]*=/ and err '"export FOO=bar" is not portable (use FOO=bar && export FOO)';
/^\s*([A-Z0-9_]+=(\w+|(["']).*?\3)\s+)+(\w+)/ and exists($func{$4}) and
err '"FOO=bar shell_func" assignment extends beyond "shell_func"';

2
t/t5318-commit-graph.sh
View File

@ -134,7 +134,7 @@ test_expect_success 'Add one more commit' '
git branch commits/8 &&
ls $objdir/pack | grep idx >existing-idx &&
git repack &&
ls $objdir/pack| grep idx | grep -v --file=existing-idx >new-idx
ls $objdir/pack| grep idx | grep -v -f existing-idx >new-idx
'
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