feat: add version and icon to opa_windows_amd64.exe (#7501)

Signed-off-by: sspaink <sspaink@styra.com>
Co-authored-by: Philip Conrad <philip@chariot-chaser.net>

.gitignore

@@ -38,3 +38,6 @@ man
 # generated when running local website build
 docs/website/.hugo_build.lock
 docs/website/data/versions
+
+# generated when building windows binary to add icon and product version
+resource.syso

Makefile

@@ -97,6 +97,9 @@ release-dir:
 
 .PHONY: generate
 generate: wasm-lib-build
+ifeq ($(GOOS),windows)
+	GOOS=$(shell go env GOOS) GOARCH=$(shell go env GOARCH) go install github.com/josephspurrier/goversioninfo/cmd/goversioninfo@v1.5.0
+endif
 	$(GO) generate
 
 .PHONY: build

build/gen-windows-versioninfo.sh

@@ -0,0 +1,26 @@
+#!/bin/bash
+# Run goversioninfo to generate the resource.syso to embed version info.
+set -eux
+
+NAME="Open Policy Agent (OPA)"
+VERSION=$(./build/get-build-version.sh)
+FLAGS=()
+
+# If building for arm64, then include the extra flags required.
+if [ -n "${1+x}" ] && [ "$1" = "arm64" ]; then
+    FLAGS=(-arm -64)
+fi
+
+if ! command -v goversioninfo &> /dev/null; then
+    # If goversioninfo isn't on the path, print an error message
+    echo "Error: goversioninfo command not found" >&2
+    exit 1
+fi
+
+goversioninfo "${FLAGS[@]}" \
+    -product-name "$NAME" \
+    -product-version "$VERSION" \
+    -skip-versioninfo \
+    -icon=logo/logo.ico \
+    -64=true \
+    -o resource.syso

main_windows.go

@@ -0,0 +1,5 @@
+//go:build windows
+
+//go:generate build/gen-windows-versioninfo.sh $GOARCH
+
+package main