$ git clone -n https://src.fedoraproject.org/rpms/quodlibet.git /var/lib/mock/f42-build-3530672-46321/root/chroot_tmpdir/scmroot/quodlibet
Cloning into '/var/lib/mock/f42-build-3530672-46321/root/chroot_tmpdir/scmroot/quodlibet'...
$ git fetch origin 5c682e59362b6735ac7d151ec202c8d8c0857189:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/quodlibet
 * [new ref]         5c682e59362b6735ac7d151ec202c8d8c0857189 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5c682e5 Add python3-flaky to build dependencies