$ git clone -n https://src.fedoraproject.org/rpms/purple-matrix.git /var/lib/mock/f31-build-89629-32102/root/chroot_tmpdir/scmroot/purple-matrix
Cloning into '/var/lib/mock/f31-build-89629-32102/root/chroot_tmpdir/scmroot/purple-matrix'...
$ git reset --hard 8544c6dc5e4fe5b2fd4c959a87aeeb872fde4abc
HEAD is now at 8544c6d - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild