$ git clone -n https://src.fedoraproject.org/rpms/python-anymarkup-core.git /var/lib/mock/f41-build-side-2-python-2736225-30836/root/chroot_tmpdir/scmroot/python-anymarkup-core
Cloning into '/var/lib/mock/f41-build-side-2-python-2736225-30836/root/chroot_tmpdir/scmroot/python-anymarkup-core'...
$ git fetch origin 6ac9d3269f0ad64c2b384eada2f04454207c9607:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-anymarkup-core
 * [new ref]         6ac9d3269f0ad64c2b384eada2f04454207c9607 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6ac9d32 Retired: https://pagure.io/releng/issue/12278