git fix author/email

fixGitAuthor.sh

# just as a mental note, so I don't have to google it (again)
#
git filter-branch --env-filter '
    oldname="(old name)"
    oldemail="(old email)"
    newname="(new name)"
    newemail="(new email)"
    [ "$GIT_AUTHOR_EMAIL" = "$oldemail" ] && GIT_AUTHOR_EMAIL="$newemail"
    [ "$GIT_COMMITTER_EMAIL" = "$oldemail" ] && GIT_COMMITTER_EMAIL="$newemail"
    [ "$GIT_AUTHOR_NAME" = "$oldname" ] && GIT_AUTHOR_NAME="$newname"
    [ "$GIT_COMMITTER_NAME" = "$oldname" ] && GIT_COMMITTER_NAME="$newname"
    ' HEAD