$ git clone -n https://src.fedoraproject.org/rpms/golang-github-hetznercloud-hcloud.git /var/lib/mock/f40-build-1102778-20049/root/chroot_tmpdir/scmroot/golang-github-hetznercloud-hcloud
Cloning into '/var/lib/mock/f40-build-1102778-20049/root/chroot_tmpdir/scmroot/golang-github-hetznercloud-hcloud'...
$ git fetch origin 764d508da342bec1ef73b2b718acb1c5c4ef24dc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-hetznercloud-hcloud
 * [new ref]         764d508da342bec1ef73b2b718acb1c5c4ef24dc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 764d508 Update to 2.7.2 upstream release