To initialize (with single to get a clean history in the current repository): 1➜ git remote add hzeon git@github.com:HaoZeke/eOn 2➜ git fetch hzeon doCIdimer 3 josh-filter ':prefix=subrepos/eOn' FETCH_HEAD --single 4 git merge --allow-unrelated FILTERED_HEAD Changes can be made within the sub-repo. 1echo"blah" > subrepos/eOn/blah 2git add subrepos/eOn/blah 3git commit -m "blah" When changes are to be pushed back upstream / to another branch.. 1git fetch hzeon doCIdimer 2josh-filter ':/sub...