[Bug-vc-dwim] bug#21120: bug#21120: vc-chlog fails if git submodules are dirty

[Jim Meyering]

On Wed, Jul 29, 2015 at 4:44 PM, Assaf Gordon <address@hidden> wrote:
> Hello,
>
> On Mon, Jul 27, 2015 at 10:22:08PM -0700, Jim Meyering wrote:
>>
>> On Wed, Jul 22, 2015 at 4:54 PM, Assaf Gordon <address@hidden>
>> wrote:
>>>
>>> it seems that if a project using git has a submodule that is dirty,
>>> vc-chlog
>>> will fail to print the information about all the files.
>
> <...>
>
>>> Another possible thing is to make 'vc-dwim' abort if there are dirty
>>> submodules, on the assumption that 'vc-dwim' is meant to prevent
>>> problematic
>>> commits, and a dirty submodule is a hint of a potential problem.
>
>
>> Issuing a warning does have a little more appeal to me, but I would be
>> happy
>> with a complete patch implementing either behavior (i.e., updating NEWS
>> and adding a test).
>
> For starters, attached is the simpler approach of silently ignoring dirty
> git submodules with `vc-dwim --diff`.

Very nice work. A perfect patch :-)
Pushed verbatim.
Thank you!