$ git clone -n https://src.fedoraproject.org/rpms/golang.git /var/lib/mock/f42-build-side-1-3588154-46943/root/chroot_tmpdir/scmroot/golang
Cloning into '/var/lib/mock/f42-build-side-1-3588154-46943/root/chroot_tmpdir/scmroot/golang'...
$ git fetch origin 880c5f7f7e6871c0c6c1e8af9a69dcc9cbc26bec:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang
 * [new ref]         880c5f7f7e6871c0c6c1e8af9a69dcc9cbc26bec -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 880c5f7 Update to 1.24.4 upstream release