bup reset

bup-reset.sh

#!/bin/bash

cd ~/.bup && {

	git for-each-ref refs/heads/ --shell --format '
		echo -n %(refname)...
		commit=$(echo empty | git commit-tree `git mktree < /dev/null`)
		for i in `git rev-list --since="2 week ago" --date-order --reverse %(refname)`; do
			commit=$(git log -1 --pretty=format:%%B $i | GIT_AUTHOR_NAME=`git log -1 --pretty=format:%%an $i` \
										GIT_AUTHOR_EMAIL=`git log -1 --pretty=format:%%aE $i` \
										GIT_AUTHOR_DATE=`git log -1 --pretty=format:%%aD $i` \
										GIT_COMMITTER_NAME=`git log -1 --pretty=format:%%cn $i` \
										GIT_COMMITTER_EMAIL=`git log -1 --pretty=format:%%cE $i` \
										GIT_COMMITTER_DATE=`git log -1 --pretty=format:%%cD $i` \
										git commit-tree $i: -p $commit)
		done
		git update-ref -m "bup reset" %(refname) $commit %(objectname)
		echo " ok"
		' | bash
}