$ git clone -n https://src.fedoraproject.org/rpms/jcal.git /var/lib/mock/f31-build-55390-28123/root/chroot_tmpdir/scmroot/jcal
Cloning into '/var/lib/mock/f31-build-55390-28123/root/chroot_tmpdir/scmroot/jcal'...
$ git reset --hard ccbc7121d330702724e3152beff4d46c964e4761
HEAD is now at ccbc712 - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild