$ git clone -n https://src.fedoraproject.org/rpms/trustedqsl.git /var/lib/mock/f42-build-side-1-3539462-46565/root/chroot_tmpdir/scmroot/trustedqsl
Cloning into '/var/lib/mock/f42-build-side-1-3539462-46565/root/chroot_tmpdir/scmroot/trustedqsl'...
$ git fetch origin a3af5a31e3885c2cb8c18a954d0210df58226145:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/trustedqsl
 * [new ref]         a3af5a31e3885c2cb8c18a954d0210df58226145 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a3af5a3 Update to 2.8.1.