$ git clone -n https://src.fedoraproject.org/rpms/golang-github-vmware-vmw-guestinfo.git /var/lib/mock/f39-build-2060475-49166/root/chroot_tmpdir/scmroot/golang-github-vmware-vmw-guestinfo
Cloning into '/var/lib/mock/f39-build-2060475-49166/root/chroot_tmpdir/scmroot/golang-github-vmware-vmw-guestinfo'...
$ git fetch origin ce081e5c5ef90776563a5ad171e6e3bbea32b6ba:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-vmware-vmw-guestinfo
 * [new ref]         ce081e5c5ef90776563a5ad171e6e3bbea32b6ba -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ce081e5 Fix FTBFS