Upgrade to golangci-lint v2.4.0 and fix an error message

.github/workflows/ci.yml

@@ -53,9 +53,9 @@ jobs:
           echo "GOPATH=${{ github.workspace }}" >> $GITHUB_ENV
           echo "${{ github.workspace }}/bin" >> $GITHUB_PATH
 
-      - uses: golangci/golangci-lint-action@v3
+      - uses: golangci/golangci-lint-action@v8.0.0
         with:
-          version: v1.62.2
+          version: v2.4.0
           working-directory: src/github.com/containerd/imgcrypt
           args: --timeout 120s
 

.golangci.bck.yml

@@ -0,0 +1,31 @@
+linters:
+  enable:
+    - depguard
+    - staticcheck
+    - unconvert
+    - gofmt
+    - goimports
+    - govet
+    - revive
+    - ineffassign
+    - unused
+    - misspell
+
+issue:
+  exclude-dirs:
+    - cmd/ctr/commands/run
+    - cmd/ctr/commands/images
+    - cmd\\ctr\\commands\\run
+    - cmd\\ctr\\commands\\images
+  exclude-files:
+    - cmd/ctr/commands/commands.go
+    - cmd\\ctr\\commands\\commands.go
+
+linters-settings:
+  depguard:
+    rules:
+      main:
+        files:
+          - $all
+        deny:
+          - pkg: "io/ioutil"

.golangci.yml

@@ -1,31 +1,39 @@
+version: "2"
 linters:
   enable:
     - depguard
-    - staticcheck
+    - misspell
+    - revive
     - unconvert
+  settings:
+    depguard:
+      rules:
+        main:
+          files:
+            - $all
+          deny:
+            - pkg: io/ioutil
+  exclusions:
+    generated: lax
+    presets:
+      - comments
+      - common-false-positives
+      - legacy
+      - std-error-handling
+    paths:
+      - cmd/ctr/commands/run
+      - cmd/ctr/commands/images
+      - cmd\\ctr\\commands\\run
+      - cmd\\ctr\\commands\\images
+      - cmd/ctr/commands/commands.go
+      - cmd\\ctr\\commands\\commands.go
+formatters:
+  enable:
     - gofmt
     - goimports
-    - govet
-    - revive
-    - ineffassign
-    - unused
-    - misspell
-
-issue:
-  exclude-dirs:
-    - cmd/ctr/commands/run
-    - cmd/ctr/commands/images
-    - cmd\\ctr\\commands\\run
-    - cmd\\ctr\\commands\\images
-  exclude-files:
-    - cmd/ctr/commands/commands.go
-    - cmd\\ctr\\commands\\commands.go
-
-linters-settings:
-  depguard:
-    rules:
-      main:
-        files:
-          - $all
-        deny:
-          - pkg: "io/ioutil"
+  exclusions:
+    generated: lax
+    paths:
+      - third_party$
+      - builtin$
+      - examples$

images/encryption/encryption.go

@@ -409,7 +409,7 @@ func cryptManifestList(ctx context.Context, cs content.Store, desc ocispec.Descr
 		newManifests = append(newManifests, newManifest)
 	}
 	if cryptoOp == cryptoOpUnwrapOnly {
-		return ocispec.Descriptor{}, false, fmt.Errorf("No manifest found for local platform")
+		return ocispec.Descriptor{}, false, fmt.Errorf("no manifest found for local platform")
 	}
 
 	if modified {