$ git clone -n https://src.fedoraproject.org/rpms/icestorm.git /var/lib/mock/f31-build-87360-31926/root/chroot_tmpdir/scmroot/icestorm
Cloning into '/var/lib/mock/f31-build-87360-31926/root/chroot_tmpdir/scmroot/icestorm'...
$ git reset --hard d574e916ed6ce1b72c13ea6b4f4eae8d198cb0ba
HEAD is now at d574e91 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild