Rename author in git

rename.sh

#!/bin/sh
git filter-branch -f \
    --index-filter 'git rm --cached --ignore-unmatch Rakefile' HEAD

git filter-branch --env-filter '

OLD_EMAIL="housewifehacker@gmail.com"
CORRECT_NAME="John Anderson"
CORRECT_EMAIL="sontek@gmail.com"

if [ "$GIT_COMMITTER_EMAIL" = "$OLD_EMAIL" ]
then
    export GIT_COMMITTER_NAME="$CORRECT_NAME"
    export GIT_COMMITTER_EMAIL="$CORRECT_EMAIL"
fi
if [ "$GIT_AUTHOR_EMAIL" = "$OLD_EMAIL" ]
then
    export GIT_AUTHOR_NAME="$CORRECT_NAME"
    export GIT_AUTHOR_EMAIL="$CORRECT_EMAIL"
fi
' --tag-name-filter cat -- --branches --tags