$ git clone -n https://src.fedoraproject.org/rpms/opencryptoki.git /var/lib/mock/f43-build-side-114641-60945180-6586551/root/chroot_tmpdir/scmroot/opencryptoki
Cloning into '/var/lib/mock/f43-build-side-114641-60945180-6586551/root/chroot_tmpdir/scmroot/opencryptoki'...
$ git fetch origin c448cc8ec216a00b0938dcff59d480f592be6250:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/opencryptoki
 * [new ref]         c448cc8ec216a00b0938dcff59d480f592be6250 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c448cc8 Enable testsuite