$ git clone -n https://src.fedoraproject.org/rpms/jack-keyboard.git /var/lib/mock/f31-build-54204-27962/root/chroot_tmpdir/scmroot/jack-keyboard
Cloning into '/var/lib/mock/f31-build-54204-27962/root/chroot_tmpdir/scmroot/jack-keyboard'...
$ git reset --hard e5504983566581532c6e92529f3e4dcd979d1eeb
HEAD is now at e550498 - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild