$ git clone -n https://src.fedoraproject.org/rpms/golang-github-rogpeppe-internal.git /var/lib/mock/f40-build-2226885-52983/root/chroot_tmpdir/scmroot/golang-github-rogpeppe-internal
Cloning into '/var/lib/mock/f40-build-2226885-52983/root/chroot_tmpdir/scmroot/golang-github-rogpeppe-internal'...
$ git fetch origin ca6473b3bd44ac2b40d0385637a40b705a3f3659:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-rogpeppe-internal
 * [new ref]         ca6473b3bd44ac2b40d0385637a40b705a3f3659 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ca6473b Update to 1.11.0 - Closes rhbz#2120431 rhbz#2163214 rhbz#2248334