$ git clone -n https://src.fedoraproject.org/rpms/rust-urid.git /var/lib/mock/f40-build-2064199-49167/root/chroot_tmpdir/scmroot/rust-urid
Cloning into '/var/lib/mock/f40-build-2064199-49167/root/chroot_tmpdir/scmroot/rust-urid'...
$ git fetch origin b3cb08f438214a5701a87df1b8a5dea889a0115a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-urid
 * [new ref]         b3cb08f438214a5701a87df1b8a5dea889a0115a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b3cb08f Initial import; Fixes: RHBZ#2224757