Ævar Arnfjörð Bjarmason <avarab@xxxxxxxxx> writes:
> 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@xxxxxxxxx>
> ---
Thanks.
> t/check-non-portable-shell.pl | 1 +
> t/t5318-commit-graph.sh | 2 +-
> 2 files changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/t/check-non-portable-shell.pl b/t/check-non-portable-shell.pl
> index 75f38298d7..b45bdac688 100755
> --- a/t/check-non-portable-shell.pl
> +++ b/t/check-non-portable-shell.pl
> @@ -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"';
> diff --git a/t/t5318-commit-graph.sh b/t/t5318-commit-graph.sh
> index 3c1ffad491..0c500f7ca2 100755
> --- a/t/t5318-commit-graph.sh
> +++ b/t/t5318-commit-graph.sh
> @@ -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
> '
>
> # Current graph structure:
