opa inspect: Fix path of data namespaces on windows (#5508)

Instead of a hard-coded "/", we're now using os.PathSeparator to process
the file path. It's also cleaned before displaying.

Fixes part of #5503.

Signed-off-by: shm12 <shm.bia@gmail.com>

build/binary-smoke-test.sh

@@ -3,6 +3,13 @@ set -eo pipefail
 OPA_EXEC="$1"
 TARGET="$2"
 
+PATH_SEPARATOR="/"
+if [[ $OPA_EXEC == *".exe" ]]; then
+    PATH_SEPARATOR="\\"
+fi
+
+
+
 github_actions_group() {
     local args="$*"
     echo "::group::$args"
@@ -42,3 +49,8 @@ echo '{"yay": "bar"}' | opa eval --format pretty --bundle o2.tar.gz -I data.test
 # Tar paths 
 opa build --output o3.tar.gz test/cli/smoke
 github_actions_group assert_contains '/test/cli/smoke/test.rego' "$(tar -tf o3.tar.gz /test/cli/smoke/test.rego)"
+
+# Data files - correct namespaces
+echo "::group:: Data files - correct namespaces"
+assert_contains "data.namesapce | test${PATH_SEPARATOR}cli${PATH_SEPARATOR}smoke${PATH_SEPARATOR}namesapce${PATH_SEPARATOR}data.json" "$(opa inspect test/cli/smoke)"
+echo "::endgroup::"

internal/bundle/inspect/inspect.go

@@ -8,6 +8,7 @@ import (
 	"bytes"
 	"fmt"
 	"io"
+	"os"
 	"path/filepath"
 	"strings"
 
@@ -128,11 +129,11 @@ func (bi *Info) getBundleDataWasmAndSignatures(name string) error {
 
 	for _, f := range descriptors {
 		path := filepath.Clean(f.Path())
-		key := strings.Split(strings.TrimPrefix(path, "/"), "/")
+		key := strings.Split(strings.TrimPrefix(path, string(os.PathSeparator)), string(os.PathSeparator))
 
 		value := path
 		if bl.IsDir {
-			value = f.URL()
+			value = filepath.Clean(f.URL())
 		}
 
 		if len(key) > 1 {

test/cli/smoke/namesapce/data.json

@@ -0,0 +1,3 @@
+{
+    "foo": "bar"
+}