$ git clone -n https://src.fedoraproject.org/rpms/python-pygments-git.git /var/lib/mock/f38-build-side-42-init-devel-1406846-31263/root/chroot_tmpdir/scmroot/python-pygments-git
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1406846-31263/root/chroot_tmpdir/scmroot/python-pygments-git'...
$ git fetch origin 3d628451d231268e6570fd72f32f954156b109e5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-pygments-git
 * [new ref]         3d628451d231268e6570fd72f32f954156b109e5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3d62845 chore: upload sources (fixes rh#2229721)