$ git clone -n https://src.fedoraproject.org/rpms/opari2.git /var/lib/mock/f45-build-20954-576/root/chroot_tmpdir/scmroot/opari2
Cloning into '/var/lib/mock/f45-build-20954-576/root/chroot_tmpdir/scmroot/opari2'...
$ git fetch origin 2ae789c5be3d2e4ea875d862e8c6ad2adb1266f5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/opari2
 * [new ref]         2ae789c5be3d2e4ea875d862e8c6ad2adb1266f5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2ae789c Drop x86_32