$ git clone -n https://src.fedoraproject.org/rpms/greetd.git /var/lib/mock/f39-build-1497422-34612/root/chroot_tmpdir/scmroot/greetd
Cloning into '/var/lib/mock/f39-build-1497422-34612/root/chroot_tmpdir/scmroot/greetd'...
$ git fetch origin ad50b74ee8217ea7481a70b82527a104b66bb6f0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/greetd
 * [new ref]         ad50b74ee8217ea7481a70b82527a104b66bb6f0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ad50b74 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild