$ git clone -n https://src.fedoraproject.org/rpms/golang-github-haproxytech-dataplaneapi.git /var/lib/mock/f40-build-2240948-53656/root/chroot_tmpdir/scmroot/golang-github-haproxytech-dataplaneapi
Cloning into '/var/lib/mock/f40-build-2240948-53656/root/chroot_tmpdir/scmroot/golang-github-haproxytech-dataplaneapi'...
$ git fetch origin a3f8a717ea2040b91a4c27257cf4b52b90b06c29:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-haproxytech-dataplaneapi
 * [new ref]         a3f8a717ea2040b91a4c27257cf4b52b90b06c29 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a3f8a71 Remove deprecated %patchN syntax