Today I spent a few hours wrapping my head around the documentation of git fast-import, especially the part of restarting an incremental import from the current branch value. The documentation says it should be written as:
from refs/heads/branch^0
or, since the current branch usually is master, as
from refs/heads/master^0
There is also a short answer on nabble. But I could not find an example of how to really edit the input file.
The solution is simple:
Edit the first commit of the second input file without adding a new blank line (the file is named ‘research-git-dump.dat’ in my case).
Before:
commit refs/heads/master mark :1000000000 committer Bubba Gump <bubba.gump@shrimps.com> 1206025332 +0000 data 6 my commit comment M 100644 :2430 MyProject/myfile1 M 100644 :2439 MyProject/myfile2 :
After:
commit refs/heads/master mark :1000000000 committer Bubba Gump <bubba.gump@shrimps.com> 1206025332 +0000 data 6 my commit comment from refs/heads/master^0 M 100644 :2430 MyProject/myfile1 M 100644 :2439 MyProject/myfile2 :
Doing this, the second import went like a charm.
I was able to concat two git repositories created by cvs2git:
$ git init --bare merged.git $ cd merged.git/ $ cat ../custom-git-blob.dat ../custom-git-dump.dat | git fast-import $ cat ../research-git-blob.dat ../research-git-dump.dat | git fast-import $ gitk
… and gitk was happy!
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