Fix generation of kustomization.yaml for macOS if absent

Signed-off-by: Sanskar Jaiswal <[email protected]>

controllers/kustomization_controller.go

@@ -26,6 +26,7 @@ import (
 	"net/http"
 	"net/url"
 	"os"
+	"path/filepath"
 	"sort"
 	"strings"
 	"time"
@@ -301,6 +302,7 @@ func (r *KustomizationReconciler) reconcile(
 
 	// create tmp dir
 	tmpDir, err := os.MkdirTemp("", "kustomization-")
+	defer os.RemoveAll(tmpDir)
 	if err != nil {
 		err = fmt.Errorf("tmp dir error: %w", err)
 		return kustomizev1.KustomizationNotReady(
@@ -310,7 +312,19 @@ func (r *KustomizationReconciler) reconcile(
 			err.Error(),
 		), err
 	}
-	defer os.RemoveAll(tmpDir)
+
+	// resolve the absolute path, since macOS creates temporary files in
+	// `/private/var` to which `/var` is a symlink to.
+	tmpDir, err = filepath.EvalSymlinks(tmpDir)
+	if err != nil {
+		err = fmt.Errorf("error evaluating symlink: %w", err)
+		return kustomizev1.KustomizationNotReady(
+			kustomization,
+			revision,
+			sourcev1.DirCreationFailedReason,
+			err.Error(),
+		), err
+	}
 
 	// download artifact and extract files
 	err = r.download(source.GetArtifact(), tmpDir)