$ git clone -n https://src.fedoraproject.org/rpms/mcrypt.git /var/lib/mock/f31-build-86536-31688/root/chroot_tmpdir/scmroot/mcrypt
Cloning into '/var/lib/mock/f31-build-86536-31688/root/chroot_tmpdir/scmroot/mcrypt'...
$ git reset --hard 3a0289fa4a89f6a83ee3ee22d9e230872839371a
HEAD is now at 3a0289f - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild