$ git clone -n https://src.fedoraproject.org/rpms/libkdtree++.git /var/lib/mock/f31-build-69390-30317/root/chroot_tmpdir/scmroot/libkdtree++
Cloning into '/var/lib/mock/f31-build-69390-30317/root/chroot_tmpdir/scmroot/libkdtree++'...
$ git reset --hard 2d47ffa152875273208a7d70a7da5fd77f7b099c
HEAD is now at 2d47ffa - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild