$ git clone -n https://src.fedoraproject.org/rpms/wlr-randr.git /var/lib/mock/f45-build-38432-724/root/chroot_tmpdir/scmroot/wlr-randr
Cloning into '/var/lib/mock/f45-build-38432-724/root/chroot_tmpdir/scmroot/wlr-randr'...
$ git fetch origin 084754f22542b5a46c98b1c05eb77cecc1d3a666:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/wlr-randr
 * [new ref]         084754f22542b5a46c98b1c05eb77cecc1d3a666 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 084754f Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild