Re: [BUG?] "git submodule foreach" when command is ssh

From: Chris Packham <judge.packham@gmail.com>
Date: Jan 5, 2011, 22:50 UTC
Message-ID: <AANLkTini=GaGSHDX4e1jhPVxKaSayUJoWa=w4u4Rz-+5@mail.gmail.com>
In-Reply-To: <AANLkTi=x2i6NvDNRzbszhk-a-z5AYe46-iUBxQsxJJHC@mail.gmail.com>

On Thu, Jan 6, 2011 at 11:32 AM, Chris Packham <judge.packham@gmail.com> wrote:

Show 20 quoted lines

> Hi All,
>
> I just noticed something odd with "git submodule foreach". I was
> running a script to create a backup of each submodule on a server I
> have ssh access to. I was surprised to find that git submodule foreach
> stopped silently after the first submodule.
>
> A little debugging and I find that
>
> git submodule foreach 'ssh localhost "ls /"' - stops silently after
> the first module (note that the command does produce the expected
> listing and there is no error about the command failing).
>
> git submodule foreach 'echo foo' - works as expected
>
> Any thoughts as to whats going on?
>
> ---
> git version 1.7.3.2
>

Actually this might be a ssh/bash bug (feature?). There is different behaviour between

  find . -maxdepth 1 -type d -a ! -name '\.*' | while read; do echo
$REPLY && ssh localhost ls /; done

and

  find . -maxdepth 1 -type d -a ! -name '\.*' | while read; do echo
$REPLY && ls /; done