try to get version from version/version.go

scripts/dist.sh

@@ -1,6 +1,10 @@
 #!/usr/bin/env bash
 set -e
 
+# Get the version from the environment, or try to figure it out.
+if [ -z $VERSION ]; then
+	VERSION=$(awk -F\" '/Version =/ { print $2; exit }' < version/version.go)
+fi
 if [ -z "$VERSION" ]; then
     echo "Please specify a version."
     exit 1