$ git clone -n https://src.fedoraproject.org/rpms/kcm_systemd.git /var/lib/mock/f31-build-56468-28225/root/chroot_tmpdir/scmroot/kcm_systemd
Cloning into '/var/lib/mock/f31-build-56468-28225/root/chroot_tmpdir/scmroot/kcm_systemd'...
$ git reset --hard 91f6e865209f9714907e360a58b334ecb548c7c1
HEAD is now at 91f6e86 - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild