$ git clone -n https://src.fedoraproject.org/rpms/ghostwriter.git /var/lib/mock/f39-build-1542532-36519/root/chroot_tmpdir/scmroot/ghostwriter
Cloning into '/var/lib/mock/f39-build-1542532-36519/root/chroot_tmpdir/scmroot/ghostwriter'...
$ git fetch origin 4ed7c3355457b5e53f3060300ea481fbb7563143:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghostwriter
 * [new ref]         4ed7c3355457b5e53f3060300ea481fbb7563143 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4ed7c33 23.08.2