$ git clone -n https://src.fedoraproject.org/rpms/postgis.git /var/lib/mock/f31-build-109103-33899/root/chroot_tmpdir/scmroot/postgis
Cloning into '/var/lib/mock/f31-build-109103-33899/root/chroot_tmpdir/scmroot/postgis'...
$ git reset --hard 7c51305fb1a4aab6d3d0d5cee70dd9522cf547d6
HEAD is now at 7c51305 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild