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> On 10 Aug 2016, at 19:56, Stefan Beller <sbeller@google.com> wrote:
>
> On OSX `wc` prefixes the output of numbers with whitespace, such that
> the `commit_count` would be "SP <NUMBER>". When using that in
>
> git submodule update --init --depth=$commit_count
>
> the depth would be empty and the number is interpreted as the pathspec.
> Fix this by not using `wc` and rather instruct rev-list to count.
>
> Another way to fix this is to remove the `=` sign after the `--depth`
> argument as then we are allowed to have more than just one whitespace
> between `--depth` and the actual number. Prefer the solution of rev-list
> counting as that is expected to be slightly faster and more self-sustained
> within Git.
>
> Reported-by: Lars Schneider <larsxschneider@gmail.com>
> Helped-by: Junio C Hamano <gitster@pobox.com>,
> Signed-off-by: Stefan Beller <sbeller@google.com>
> ---
>
> origin/sb/submodule-update-dot-branch
>
> t/t7406-submodule-update.sh | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/t/t7406-submodule-update.sh b/t/t7406-submodule-update.sh
> index d7983cf..64f322c 100755
> --- a/t/t7406-submodule-update.sh
> +++ b/t/t7406-submodule-update.sh
> @@ -877,7 +877,7 @@ test_expect_success 'submodule update clone shallow submodule' '
> test_when_finished "rm -rf super3" &&
> first=$(git -C cloned submodule status submodule |cut -c2-41) &&
> second=$(git -C submodule rev-parse HEAD) &&
> - commit_count=$(git -C submodule rev-list $first^..$second | wc -l) &&
> + commit_count=$(git -C submodule rev-list --count $first^..$second) &&
> git clone cloned super3 &&
> pwd=$(pwd) &&
> (
> --
> 2.9.2.665.gdb8bb2f
>
Lars Schneider <larsxschneider@gmail.com>