Page History

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git tag -d `git tag|grep -v 3.[34]`
git branch -D maintenance-2.2 fcrepo-579 fcrepo-586

Find the id of the 3.3 tagged commit and parent:

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git reflog expire --expire=0 --all
git repack -ad
git prune

Find the new id of the 3.3 tagged commit (now the root commit of this repository):

export lastid=`git show v3.3|grep commit|sed 's/...... \(.*\)$/\1/'`

5. Separate Ancient History (fcrepo-before33)

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