$ git clone -n https://src.fedoraproject.org/rpms/hiprand.git /var/lib/mock/f42-build-3273856-41313/root/chroot_tmpdir/scmroot/hiprand
Cloning into '/var/lib/mock/f42-build-3273856-41313/root/chroot_tmpdir/scmroot/hiprand'...
$ git fetch origin fb576c04fe907885a13bdbb33d5921eeeaee6a3b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/hiprand
 * [new ref]         fb576c04fe907885a13bdbb33d5921eeeaee6a3b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fb576c0 Remove multi build