fix: issue where kustomization files are empty (#3094)

Co-authored-by: Austin Abro <[email protected]>

src/pkg/packager/prepare.go

@@ -209,7 +209,8 @@ func (p *Packager) findImages(ctx context.Context) (map[string][]string, error)
 			for idx, k := range manifest.Kustomizations {
 				// Generate manifests from kustomizations and place in the package
 				kname := fmt.Sprintf("kustomization-%s-%d.yaml", manifest.Name, idx)
-				destination := filepath.Join(componentPaths.Manifests, kname)
+				// Use the temp folder because if "helpers.CreatePathAndCopy" is provider with the  same path it will result in the file being empty
+				destination := filepath.Join(componentPaths.Temp, kname)
 				if err := kustomize.Build(k, destination, manifest.KustomizeAllowAnyDirectory); err != nil {
 					return nil, fmt.Errorf("unable to build the kustomization for %s: %w", k, err)
 				}

src/pkg/packager/prepare_test.go

@@ -55,6 +55,20 @@ func TestFindImages(t *testing.T) {
 				},
 			},
 		},
+		{
+			name: "kustomization",
+			cfg: &types.PackagerConfig{
+				CreateOpts: types.ZarfCreateOptions{
+					BaseDir: "./testdata/find-images/kustomize",
+				},
+			},
+			expectedImages: map[string][]string{
+				"baseline": {
+					"ghcr.io/zarf-dev/zarf/agent:v0.38.1",
+					"ghcr.io/zarf-dev/zarf/agent:sha256-f8b1c2f99349516ae1bd0711a19697abcc41555076b0ae90f1a70ca6b50dcbd8.sig",
+				},
+			},
+		},
 		{
 			name: "image not found",
 			cfg: &types.PackagerConfig{

src/pkg/packager/testdata/find-images/kustomize/deployment.yaml

@@ -0,0 +1,16 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: agent
+spec:
+  selector:
+    matchLabels:
+      app: agent
+  template:
+    metadata:
+      labels:
+        app: agent
+    spec:
+      containers:
+        - name: agent
+          image: ghcr.io/zarf-dev/zarf/agent:v0.38.1

src/pkg/packager/testdata/find-images/kustomize/kustomization.yaml

@@ -0,0 +1,5 @@
+---
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+resources:
+- deployment.yaml

src/pkg/packager/testdata/find-images/kustomize/zarf.yaml

@@ -0,0 +1,12 @@
+kind: ZarfPackageConfig
+metadata:
+  name: agent
+  version: 1.0.0
+components:
+  - name: baseline
+    required: true
+    manifests:
+      - name: agent
+        namespace: default
+        kustomizations:
+          - ./.