$ git clone -n https://src.fedoraproject.org/rpms/rust-pathfinder_geometry.git /var/lib/mock/f45-build-43740-805/root/chroot_tmpdir/scmroot/rust-pathfinder_geometry
Cloning into '/var/lib/mock/f45-build-43740-805/root/chroot_tmpdir/scmroot/rust-pathfinder_geometry'...
$ git fetch origin a163bd676ae65ecdd34a4119a7ff81ac396b1e8f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-pathfinder_geometry
 * [new ref]         a163bd676ae65ecdd34a4119a7ff81ac396b1e8f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a163bd6 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild