Re: [PATCH] git-remote-testgit: avoid process substitution

> Johannes Sixt <j.sixt@viscovery.net> writes:
>
>> From: Johannes Sixt <j6t@kdbg.org>
>>
>> Bash on Windows does not implement process substitution.
>>
>> Signed-off-by: Johannes Sixt <j6t@kdbg.org>
>> ---
>> ...
>> Here is a fix. It assumes that the list of refs after the import is
>> a superset of the refs before the import. (Can refs be deleted
>> via fast-import?)
>>
>>  git-remote-testgit | 12 +++++++-----
>>  1 file changed, 7 insertions(+), 5 deletions(-)
>>
>> diff --git a/git-remote-testgit b/git-remote-testgit
>> index 23c9d40..e99d5fa 100755
>> --- a/git-remote-testgit
>> +++ b/git-remote-testgit
>> @@ -91,13 +91,15 @@ do
>>
>>               git fast-import "${testgitmarks_args[@]}" --quiet
>>
>> -             after=$(git for-each-ref --format='%(refname) %(objectname)')
>> -
>>               # figure out which refs were updated
>> -             join -e 0 -o '0 1.2 2.2' -a 2 <(echo "$before") <(echo "$after") |
>> -             while read ref a b
>> +             git for-each-ref --format='%(refname) %(objectname)' |
>> +             while read ref a
>>               do
>> -                     test $a == $b && continue
>> +                     case "$before" in
>> +                     *"$ref $a"*)
>> +                             continue
>
> This just like the original 'join' depends on the two output from
> for-each-ref to be sorted the same way, which is true and fine.  But
> I wonder one thing.  When $before has this in it: