Add script to revendor OPA

Signed-off-by: Torin Sandall <[email protected]>

Author: tsandall

revendor_opa.sh

@@ -0,0 +1,25 @@
+#!/usr/bin/env bash
+
+usage() {
+    echo "$0 <commit-ish> (e.g., $0 v0.9.1)"
+}
+
+if [ $# -eq 0 ]; then
+    usage
+    exit 1
+fi
+
+# Copied from https://unix.stackexchange.com/questions/92895/how-can-i-achieve-portability-with-sed-i-in-place-editing
+case $(sed --help 2>&1) in
+  *GNU*) sed_i () { sed -i "$@"; };;
+  *) sed_i () { sed -i '' "$@"; };;
+esac
+
+sed_i "/name = \"github.com\/open-policy-agent\/opa\"/{N;s/version = .*/version = \"$1\"/;}" Gopkg.toml
+
+git status | grep Gopkg.toml
+
+if [ $? -eq 0 ]; then
+    dep ensure
+    git add .
+fi