$ git clone -n https://src.fedoraproject.org/rpms/python-opcodes.git /var/lib/mock/f45-build-31793-655/root/chroot_tmpdir/scmroot/python-opcodes
Cloning into '/var/lib/mock/f45-build-31793-655/root/chroot_tmpdir/scmroot/python-opcodes'...
$ git fetch origin 092f254ea99f329603ec98016fae95e1caa8dc73:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-opcodes
 * [new ref]         092f254ea99f329603ec98016fae95e1caa8dc73 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 092f254 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild