$ git clone -n https://src.fedoraproject.org/rpms/m4.git /var/lib/mock/f31-build-85685-31618/root/chroot_tmpdir/scmroot/m4
Cloning into '/var/lib/mock/f31-build-85685-31618/root/chroot_tmpdir/scmroot/m4'...
$ git reset --hard 1faf45a94e25ee6ad88afce3140c0acd40e1dc49
HEAD is now at 1faf45a - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild