I'm working in an environment, where the primary version control system is 
SVN. The setup is such that when something is commited to SVN, a build is 
scheduled. When the build server is idle, it takes the current SVN HEAD 
revision (which may be different from the one that caused the build to be 
scheduled), and tries to build. If successful, it drops the built binary 
into some archive directory, and goes back to idle (or starts a new build, 
if one is scheduled).

So there exists a log of all buildable revisions somewhere.

I would like to setup a GIT repository against our SVN that works as a 
downstream only repository (GIT pulls from SVN, but does never accept 
commits from users, and never pushes changes back into SVN). I would like 
to update this GIT repository only to the latest buildable revision in SVN 
(i.e. determine the latest buildable SVN revision, and then update the GIT 
repo to that SVN revision). 

The way that I have gotten this to work is, in a nutshell:


1. clone SVN->GIT
2. run cronjob to update GIT:
2.1 get latest buildable revision number R
2.2 git svn fetch -r R


My problem with this setup is that the individual SVN commits are lost on 
'git svn fetch'. Instead of 'git svn fetch -r revision', I would actually 
like to do either 'git svn rebase -r revision', but this does not work 
(rebase only works against SVN HEAD?). Another approach to solving the 
problem might then be to run the fetch in a loop for every single SVN 
commit up to (and including) the latest buildable revision, i.e.:


2. run cronjob to update GIT:
2.1 get latest buildable revision number R
2.2 determine last SVN revision B pulled into GIT
2.3 for each SVN revision R' from B (excluding) to R (including): git svn 
fetch -r R'


As I am new to using GIT, I would like to know if this is a correct 
assessment of the situation. Are there any other approaches? 

BR

  Matthias

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