$ git clone -n https://src.fedoraproject.org/rpms/golang-github-vultr-govultr-3.git /var/lib/mock/f40-build-2595601-62744/root/chroot_tmpdir/scmroot/golang-github-vultr-govultr-3
Cloning into '/var/lib/mock/f40-build-2595601-62744/root/chroot_tmpdir/scmroot/golang-github-vultr-govultr-3'...
$ git fetch origin 6f619066eb14dacac0de9a706579aba77d6e4692:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-vultr-govultr-3
 * [new ref]         6f619066eb14dacac0de9a706579aba77d6e4692 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6f61906 Update to 3.6.4 rhbz#2267238