$ git clone -n https://src.fedoraproject.org/rpms/eureka.git /var/lib/mock/f41-build-853986-166804/root/chroot_tmpdir/scmroot/eureka
Cloning into '/var/lib/mock/f41-build-853986-166804/root/chroot_tmpdir/scmroot/eureka'...
$ git fetch origin e8cf1a1d01beb5196a60fe2b1a53eb5f955d5b27:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/eureka
 * [new ref]         e8cf1a1d01beb5196a60fe2b1a53eb5f955d5b27 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e8cf1a1 Update to v2.0.2