$ git clone -n https://src.fedoraproject.org/rpms/udiskie.git /var/lib/mock/f45-build-37596-716/root/chroot_tmpdir/scmroot/udiskie
Cloning into '/var/lib/mock/f45-build-37596-716/root/chroot_tmpdir/scmroot/udiskie'...
$ git fetch origin 8d6d948766e131510d2f237fc0a15996bad4ad95:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/udiskie
 * [new ref]         8d6d948766e131510d2f237fc0a15996bad4ad95 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8d6d948 Update to version 2.7.0 (rhbz#2520210)