$ git clone -n https://src.fedoraproject.org/forks/packit/rpms/golang-github-yuin-goldmark.git /var/lib/mock/f43-build-59138748-6571284/root/chroot_tmpdir/scmroot/golang-github-yuin-goldmark
Cloning into '/var/lib/mock/f43-build-59138748-6571284/root/chroot_tmpdir/scmroot/golang-github-yuin-goldmark'...
$ git fetch origin ea0a63e396e52123a169a3129235f2d794dee91b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/forks/packit/rpms/golang-github-yuin-goldmark
 * [new ref]         ea0a63e396e52123a169a3129235f2d794dee91b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ea0a63e Update to 1.7.11 upstream release