From: Jacob Helwig <jacob.helwig@gmail.com>
Date: Tue, 04 May 2010 16:18:09 GMT
Subject: Re: Determining if a file exists in a bare repo
Message-ID: <h2z8c9a061005040918s33bd5020sa89e95aedb7b8cb@mail.gmail.com>
In-Reply-To: <w2q799406d61005040911p8fd7c234s5e6382298129985f@mail.gmail.com>

On Tue, May 4, 2010 at 09:11, Adam Mercer <ramercer@gmail.com> wrote:
> Hi
>
> I'm trying to write a post-receive hook that generates some HTML files
> from reStructured text files stored in a repository. Essentially I'm
> doing this with
>
> git show master:INSTALL | rst2html --no-raw --no-file-insertion >
> /path/to/INSTALL.html
>
> However I would like this script to fail gracefully if the INSTALL
> file is not available in the repository so would like to check if this
> file exists. The problem I'm having is that git-show seems to return a
> zero return code even if the file you request doesn't exist, e.g.:
>
> $ git show master:NoneExistantFile
> fatal: ambiguous argument 'master:NoneExistantFile': unknown revision
> or path not in the working tree.
> Use '--' to separate paths from revisions
> $ echo $?
> 0
> $
>
> is there another, scriptable, way to determine if a given file exists
> in a given branch of a bare repository?
>
> Cheers
>
> Adam

What about using "git ls-tree master" to get a file listing?