$ git clone -n https://git.cclinux.org/stage/rpms/selinux-policy.git /var/lib/mock/dist-circle8_10-updates-build-114315-76743/root/chroot_tmpdir/scmroot/selinux-policy
Cloning into '/var/lib/mock/dist-circle8_10-updates-build-114315-76743/root/chroot_tmpdir/scmroot/selinux-policy'...
$ git fetch origin 4fb0617539eb319095da23e06ba3c1312781a4ce:KOJI_FETCH_HEAD
From https://git.cclinux.org/stage/rpms/selinux-policy
 * [new ref]         4fb0617539eb319095da23e06ba3c1312781a4ce -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4fb0617 import selinux-policy-3.14.3-139.el8_10