Fix name and email from an commit author and committer

fix-git-author.sh

#!/bin/sh

git filter-branch --env-filter '
OLD_EMAIL="<wrong-email>"
CORRECT_NAME="<correct-name>"
CORRECT_EMAIL="<correct-email>"

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