Re: [boost] [git] [conversion] Schedule and remaining showstoppers?

Subject: Re: [boost] [git] [conversion] Schedule and remaining showstoppers?
From: Dave Abrahams (dave_at_[hidden])
Date: 2013-10-20 23:40:37

on Wed Oct 16 2013, "Niall Douglas" <s_sourceforge-AT-nedprod.com> wrote:

> On 16 Oct 2013 at 17:03, Jonathan Wakely wrote:
>
>> On 16 October 2013 15:18, Beman Dawes wrote:
>> > Like all merges, start by switching to the branch to be merged to -
>> > "master" in this case. Then merge from the whole "develop" branch if 85994
>> > is the only difference. Otherwise, you need to merge just the 85994
>> > changeset. (I'm a TortoiseGit user, so am the wrong person to ask about how
>> > to do that from the command line. But "git help merge" from the command
>> > line may well tell you enough to figure it out.)
>> 
>> I assume 85994 is an svn revision, so to git merge it you need to know
>> the Git SHA1 commit ID for that commit. You can find that  via "git
>> log" and looking for the relevant commit message, but you can't just
>> merge 85994 without some extra work.
>
> git lets you create arbitrary refs to arbitrary SHAs, so there is 
> absolutely nothing stopping Boost2Git filling a directory of SHA refs 
> named after each SVN revision e.g. refs/svnrefs/12345 => abcdef...

Neat, but I wonder if we really want to create eighty thousand refs for
this purpose.

> In fact, that is exactly what subgit does: it stores each svn rev to 
> SHA as a svn prop, and each SHA to svn rev as a custom ref. This lets 
> subgit map each to the other transparently along with needed 
> metadata.
>
> Niall

-- 
Dave Abrahams