I have a largish Mercurial repository that I've decided would be better as several smaller repositories. Is there a way that I can split the repository and have each piece retain its revision history?
3 Answers
The best way to do this is using the 'convert' extension. You'll use mercurial and both source and destination type and then use a --filemap with entries like:
exclude path/you/do/not/want
rename path/you/do/want .
The rename is only necessary if you want to take the parts you're keeping and move them "higher" in the directory hierarchy.
I found a detailed guide here:
Create a file map new-repo.filemap such as
include vendor/FooBackend
rename vendor/FooBackend .
Create another file map rewrite-old-repo.filemap:
exclude vendor/FooBackend
Create the new repository:
hg convert /path/to/current/repo /path/to/new/repo --filemap new-repo.filemap
The new repository is now finished. The directory is empty, but a hg update will bring its contents up to speed.
Create the modified repository:
hg convert /path/to/current/repo /path/to/rewritten/repo --filemap rewrite-old-repo.filemap
Related