$ git clone -n https://src.fedoraproject.org/rpms/cutter-re.git /var/lib/mock/f40-build-2661416-66919/root/chroot_tmpdir/scmroot/cutter-re
Cloning into '/var/lib/mock/f40-build-2661416-66919/root/chroot_tmpdir/scmroot/cutter-re'...
$ git fetch origin 2bb3972bf0619a67ec862c252f00cbe6d8b757ca:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/cutter-re
 * [new ref]         2bb3972bf0619a67ec862c252f00cbe6d8b757ca -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2bb3972 Fix changelog date