$ git clone -n https://src.fedoraproject.org/rpms/fedrq.git /var/lib/mock/f38-build-side-42-init-devel-913145-28703/root/chroot_tmpdir/scmroot/fedrq
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-913145-28703/root/chroot_tmpdir/scmroot/fedrq'...
$ git fetch origin 6aacca270756b0f091f24de82ad350ca5474ba39:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/fedrq
 * [new ref]         6aacca270756b0f091f24de82ad350ca5474ba39 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6aacca2 Update to 0.9.0.