$ git clone -n https://src.fedoraproject.org/rpms/kchildlock.git /var/lib/mock/f31-build-56462-28225/root/chroot_tmpdir/scmroot/kchildlock
Cloning into '/var/lib/mock/f31-build-56462-28225/root/chroot_tmpdir/scmroot/kchildlock'...
$ git reset --hard 23711248f625efa4f46b79df5cad960e9dd182fb
HEAD is now at 2371124 - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild