$ git clone -n https://src.fedoraproject.org/rpms/golang.git /var/lib/mock/f41-build-861289-169591/root/chroot_tmpdir/scmroot/golang
Cloning into '/var/lib/mock/f41-build-861289-169591/root/chroot_tmpdir/scmroot/golang'...
$ git fetch origin b36fe261cf9e8bf7fa74257c79eca1b18eefd8e7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang
 * [new ref]         b36fe261cf9e8bf7fa74257c79eca1b18eefd8e7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b36fe26 Update to 1.23.3 upstream release