$ git clone -n https://src.fedoraproject.org/rpms/pkcs11-helper.git /var/lib/mock/f45-build-28565-631/root/chroot_tmpdir/scmroot/pkcs11-helper
Cloning into '/var/lib/mock/f45-build-28565-631/root/chroot_tmpdir/scmroot/pkcs11-helper'...
$ git fetch origin 36918040db703a54f9cf74cebe87addb85832659:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/pkcs11-helper
 * [new ref]         36918040db703a54f9cf74cebe87addb85832659 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3691804 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild