git-nuke-author.sh

#!/bin/sh

# This script nukes the author (identity and time) of all commits since the
# given rev. This is useful if you want to disguise the true time when you
# wrote the commits, as a normal rebase will only reset the committer identity
# and time.

GIT_EDITOR="sed -i '' -e  's/pick/edit/g'" git rebase -i $1
while true; do
    GIT_EDITOR=true git commit --amend --reset-author
    git rebase --continue || exit 0
done