$ git clone -n https://src.fedoraproject.org/rpms/golang-github-redteampentesting-monsoon.git /var/lib/mock/f42-build-867039-174622/root/chroot_tmpdir/scmroot/golang-github-redteampentesting-monsoon
Cloning into '/var/lib/mock/f42-build-867039-174622/root/chroot_tmpdir/scmroot/golang-github-redteampentesting-monsoon'...
$ git fetch origin a4e2837f7c4f450b8211e875af25113939fc8be5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-redteampentesting-monsoon
 * [new ref]         a4e2837f7c4f450b8211e875af25113939fc8be5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a4e2837 Update to latest upstream release (closes rhbz#2222833)