$ git clone -n https://src.fedoraproject.org/rpms/jreen.git /var/lib/mock/f31-build-112709-34301/root/chroot_tmpdir/scmroot/jreen
Cloning into '/var/lib/mock/f31-build-112709-34301/root/chroot_tmpdir/scmroot/jreen'...
$ git reset --hard 012eae09e3a938bcd4651100041fbb6d6948533b
HEAD is now at 012eae0 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild