$ git clone -n https://src.fedoraproject.org/rpms/girara.git /var/lib/mock/f40-build-2198980-51716/root/chroot_tmpdir/scmroot/girara
Cloning into '/var/lib/mock/f40-build-2198980-51716/root/chroot_tmpdir/scmroot/girara'...
$ git fetch origin 04091b137da0c93a1a870bf29ca4cbb412146471:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/girara
 * [new ref]         04091b137da0c93a1a870bf29ca4cbb412146471 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 04091b1 feat: update to 0.4.1 (rhbz#2253671)