$ git clone -n https://src.fedoraproject.org/rpms/golang-github-jcmturner-gokrb5.git /var/lib/mock/f40-build-2185251-51289/root/chroot_tmpdir/scmroot/golang-github-jcmturner-gokrb5
Cloning into '/var/lib/mock/f40-build-2185251-51289/root/chroot_tmpdir/scmroot/golang-github-jcmturner-gokrb5'...
$ git fetch origin 70ab31820687397f9d22144cd852f97f37b11060:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-jcmturner-gokrb5
 * [new ref]         70ab31820687397f9d22144cd852f97f37b11060 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 70ab318 Update to 8.4.4 - Closes rhbz#2111845