Git Fix Commit Author + Email

fixgit.sh

git filter-branch --commit-filter '
    if [ "$GIT_COMMITTER_EMAIL" = "old@email" ];
    then
        GIT_COMMITTER_NAME="Full Name";
        GIT_AUTHOR_NAME="Full Name";
        GIT_COMMITTER_EMAIL="new@email";
        GIT_AUTHOR_EMAIL="new@email";
        git commit-tree "$@";
    else
        git commit-tree "$@";
    fi' HEAD