$ git clone -n https://src.fedoraproject.org/rpms/xfce4-screensaver.git /var/lib/mock/f40-build-763277-122455/root/chroot_tmpdir/scmroot/xfce4-screensaver
Cloning into '/var/lib/mock/f40-build-763277-122455/root/chroot_tmpdir/scmroot/xfce4-screensaver'...
$ git fetch origin e12eeb9a16df2be90cd601eef9eeb434db4a678a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xfce4-screensaver
 * [new ref]         e12eeb9a16df2be90cd601eef9eeb434db4a678a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e12eeb9 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild