diff --git a/packaging/builddist.sh b/packaging/builddist.sh
new file mode 100755
index 000000000..8a83c48be
--- /dev/null
+++ b/packaging/builddist.sh
@@ -0,0 +1,20 @@
+#!/usr/bin/zsh
+
+# This script must be run from the source root.
+
+set -e
+
+GENDIR=distgendir
+
+rm -rf dist
+rm -rf $GENDIR
+mkdir dist
+mkdir $GENDIR
+cp -r .git $GENDIR
+cd $GENDIR
+git reset --hard
+#python3 setup.py sdist bdist
+python3 setup.py sdist
+cp dist/* ../dist
+cd ..
+rm -rf $GENDIR