Acceptance criteria for the git conversion

[Jason Merrill]

On 09/03/2015 02:59 AM, Trevor Saunders wrote:
> On Tue, Sep 01, 2015 at 06:06:33PM +0200, Andreas Schwab wrote:
>> "Eric S. Raymond" <esr@thyrsus.com> writes:
>>
>>> There is no way to maintain those links for git, so yes, you want to
>>> keep a read-only Subversion instance around.
>>
>> The mapping can also be put in some git notes tree for use by bugzilla.
>> That would only need to be set up once.
>
> I'd think that would be the way you'd want to associate git commits with
> a svn commit, but I think bugzilla wants to do the reverse map svn
> commits to git ones (or we could just rewrite the link targets) but
> either way that needs a mapping in the other direction.  Obviously
> having a mapping in one direction makes getting the reverse pretty
> trivial.

It's pretty trivial to map from SVN rev numbers to git with either 
git-svn or reposurgeon --legacy commit decorations.

git log --grep '^git-svn-id:.*@1234 ' --all -1
git log --grep '^Legacy-ID: 1234$' --all -1

Jason