On Mon, Jun 24, 2013 at 10:44 AM, Eric Sunshine <sunshine@xxxxxxxxxxxxxx> wrote:
> On Mon, Jun 24, 2013 at 4:33 AM, Johan Herland <johan@xxxxxxxxxxx> wrote:
>> On Mon, Jun 24, 2013 at 9:28 AM, Junio C Hamano <gitster@xxxxxxxxx> wrote:
>>> Johan Herland <johan@xxxxxxxxxxx> writes:
>>>
>>>>> + git --git-dir="${3:-repo1}" log -1 --format='%h %s' "$2" >actual &&
>>>>
>>>> Isn't ${3:-repo1} a bashism?
>>>
>>> I do not think so. But now I looked at it again, I think I would
>>> use ${3-repo1} form in this case myself. No caller passes an empty
>>> string to the third place.
>>
>> Ok, I have to admit that I'm not at all sure where the line between sh
>> and bash goes when it comes to ${magic}... Is there any good
>> documentation on what is in sh and what is not?
>
> POSIX: http://pubs.opengroup.org/onlinepubs/9699919799/utilities/V3_chap02.html#tag_18_06_02
Thanks! Learn something new every day, I guess. :)
...Johan
--
Johan Herland, <johan@xxxxxxxxxxx>
www.herland.net
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