Re: Using Filemerge.app as a git-diff viewer

From: Jonathan del Strother <maillist@steelskies.com>
Date: Nov 21, 2007, 11:20 UTC
Message-ID: <2736C1E3-6294-49B0-96A2-8BCCFA27EDCD@steelskies.com>
In-Reply-To: <47440912.8010800@cam.ac.uk>

On 21 Nov 2007, at 10:31, Toby White wrote:

Show 15 quoted lines

> Mac OS X bundles a rather nice graphical diff viewer (Filemerge.app)
> with its developer tools.
>
> While git-merge knows how to use this as a merge tool, I couldn't
> find any way to easily use Filemerge as a viewer for the output
> of git-diff.
>
> (http://thread.gmane.org/gmane.comp.version-control.git/58702
> discusses the problem, and recommends piping git-diff into kompare.
> Filemerge unfortunately won't accept diff output on stdin)
>
> So I wrote a quick script (below) which does what I need. Of all
> the available git-diff flags, it only understands "--cached", and
> up to two commit objects, and no paths, but that's enough for me.
> Within those constraints, it has the same semantics as git-diff.

> ...

Handy, thanks. Just as a note to anyone who runs into the same problems as me - I couldn't persuade this script to work at first. On my Leopard install, mktemp needs a template argument to run. After replacing both `mktemp -d`s in this script with `mktemp -d /tmp/diff.XXXXX`, it works nicely.

Jon