$ git clone -n https://src.fedoraproject.org/rpms/udisks.git /var/lib/mock/f40-build-804457-144525/root/chroot_tmpdir/scmroot/udisks
Cloning into '/var/lib/mock/f40-build-804457-144525/root/chroot_tmpdir/scmroot/udisks'...
$ git fetch origin 9f2737416db2510f47db84926cc793668a5eaac5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/udisks
 * [new ref]         9f2737416db2510f47db84926cc793668a5eaac5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9f27374 - rebuilt for sg3_utils 1.48