$ git clone -n https://src.fedoraproject.org/rpms/postgis.git /var/lib/mock/f40-build-770827-125897/root/chroot_tmpdir/scmroot/postgis
Cloning into '/var/lib/mock/f40-build-770827-125897/root/chroot_tmpdir/scmroot/postgis'...
$ git reset --hard 5f18e396d0164cc80ff76cbadffe32b0ca15e1e3
HEAD is now at 5f18e39 Re-enable upgrade package for previous postgres version only