Transfer a partial history from a git branch to a new repository

transfer_partial_git.md

Transfer a partial history from a Git Branch to a new Repository

Steps to reproduce:

1. In your current repository, create a new orphan branch, containing the contents of the first commit you want to copy:

     $ git checkout --orphan -b tmpbranch <hash_of_first_commit>
     $ git commit -a -m 'first commit'

2. Cherry-pick the rest of the commits you want:

       $ git cherry-pick <hash_of_first_commit>..mybranch

3. Push this new orphaned branch to your new repository, as the new master branch:

     $ git push <URL_of_new_repo> refs/heads/tmpbranch:refs/heads/master

4. Delete the tmpbranch so garbage collection will eventually clean up for you:

     $ git checkout mybranch
     $ git branch -D tmpbranch

Must be

$ git checkout --orphan tmpbranch <hash_of_first_commit>

(the -b isn't needed and doesn't work).