$ git clone -n https://src.fedoraproject.org/rpms/golang-github-hetznercloud-hcloud.git /var/lib/mock/f38-build-side-42-init-devel-643445-26396/root/chroot_tmpdir/scmroot/golang-github-hetznercloud-hcloud
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-643445-26396/root/chroot_tmpdir/scmroot/golang-github-hetznercloud-hcloud'...
$ git fetch origin d933f30541e6e3196d19f97e29627e7dfb9e5079:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-hetznercloud-hcloud
 * [new ref]         d933f30541e6e3196d19f97e29627e7dfb9e5079 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d933f30 Update to 1.41.0 rhbz#2176021