threads / discuss / 16185

How to rebase for git svn?

Subject: How to rebase for git svn?

## tl;dr

5 messages between Nov 5, 2008 and Nov 6, 2008.

replies: 4people: 4as markdown or json

Yang Zhang· Nov 5, 2008, 19:09 UTC · lore

Hi, I made a git svn repository from an svn repository. Then I cloned the git repository, committed some changes to the clone, and pulled back to the original repository. However, now the original repository gives me conflicts whenever I run git svn rebase. I believe this is because git pull treats the other repository's commits as a branch and merges them back instead of rebasing them and maintaining the type of linear history that is good for playing with svn. Any hints as to how to fix this? I think the solution is to undo the merge that resulted from the pull, but I don't know how to do this.

I wrote a simple script reproducing exactly what's going on (along with a transcript of its output). I tried to make it as simple as possible, but it can probably be simplified even more to reproduce the problem:

http://assorted.svn.sourceforge.net/viewvc/assorted/sandbox/trunk/src/git/gitsvn.bash?revision=1057&view=markup
Thanks in advance for any help!
-- 
Yang Zhang
http://www.mit.edu/~y_z/
Eric Wong· Nov 6, 2008, 09:55 UTC · re: Yang Zhang · lore

Re: How to rebase for git svn?

Yang Zhang <yanghatespam@gmail.com> wrote:
Show 17 quoted lines
> Hi, I made a git svn repository from an svn repository.  Then I cloned  
> the git repository, committed some changes to the clone, and pulled back  
> to the original repository.  However, now the original repository gives  
> me conflicts whenever I run git svn rebase.  I believe this is because  
> git pull treats the other repository's commits as a branch and merges  
> them back instead of rebasing them and maintaining the type of linear  
> history that is good for playing with svn.  Any hints as to how to fix  
> this?  I think the solution is to undo the merge that resulted from the  
> pull, but I don't know how to do this.
>
> I wrote a simple script reproducing exactly what's going on (along with  
> a transcript of its output).  I tried to make it as simple as possible,  
> but it can probably be simplified even more to reproduce the problem:
>
> http://assorted.svn.sourceforge.net/viewvc/assorted/sandbox/trunk/src/git/gitsvn.bash?revision=1057&view=markup
>
> Thanks in advance for any help!
Hi,

Try passing --rebase or --squash with "git pull" to keep history linear for SVN.

-- 
Eric Wong
Sverre Rabbelier· Nov 6, 2008, 10:15 UTC · re: Eric Wong · lore

Re: How to rebase for git svn?

On Thu, Nov 6, 2008 at 10:55, Eric Wong <normalperson@yhbt.net> wrote:
Show 5 quoted lines
> Yang Zhang <yanghatespam@gmail.com> wrote:
>> Thanks in advance for any help!
>
> Try passing --rebase or --squash with "git pull" to keep history linear
> for SVN.

Consider doing the following: git config alias.repull "pull --rebase" And then using 'git repull' instead of 'git pull'.

-- 
Cheers,

Sverre Rabbelier
Björn Steinbrink· Nov 6, 2008, 10:24 UTC · re: Sverre Rabbelier · lore

Re: How to rebase for git svn?

On 2008.11.06 11:15:21 +0100, Sverre Rabbelier wrote:
Show 10 quoted lines
> On Thu, Nov 6, 2008 at 10:55, Eric Wong <normalperson@yhbt.net> wrote:
> > Yang Zhang <yanghatespam@gmail.com> wrote:
> >> Thanks in advance for any help!
> >
> > Try passing --rebase or --squash with "git pull" to keep history linear
> > for SVN.
> 
> Consider doing the following:
> git config alias.repull "pull --rebase"
> And then using 'git repull' instead of 'git pull'.

Or set branch.<name>.rebase in your config and just use "git pull" ;-) Setting branch.autosetuprebase might also be useful in that case.

You should be careful to make sure that the other side does not lag behind WRT svn, though. Otherwise, you end up rebasing commits that corresponds to svn revisions. Bad.

Björn
Yang Zhang· Nov 6, 2008, 20:05 UTC · re: Björn Steinbrink · lore

Re: How to rebase for git svn?

Björn Steinbrink wrote:
Show 18 quoted lines
> On 2008.11.06 11:15:21 +0100, Sverre Rabbelier wrote:
>> On Thu, Nov 6, 2008 at 10:55, Eric Wong <normalperson@yhbt.net> wrote:
>>> Yang Zhang <yanghatespam@gmail.com> wrote:
>>>> Thanks in advance for any help!
>>> Try passing --rebase or --squash with "git pull" to keep history linear
>>> for SVN.
>> Consider doing the following:
>> git config alias.repull "pull --rebase"
>> And then using 'git repull' instead of 'git pull'.
> 
> Or set branch.<name>.rebase in your config and just use "git pull" ;-)
> Setting branch.autosetuprebase might also be useful in that case.
> 
> You should be careful to make sure that the other side does not lag
> behind WRT svn, though. Otherwise, you end up rebasing commits that
> corresponds to svn revisions. Bad.
> 
> Björn
git pull --rebase doesn't seem to be working either....
http://assorted.svn.sourceforge.net/viewvc/assorted/sandbox/trunk/src/git/gitsvn.bash?revision=1064&view=markup
-- 
Yang Zhang
http://www.mit.edu/~y_z/

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