swaggest · vearutop · Oct 5, 2025 · Oct 5, 2025
diff --git a/.github/workflows/golangci-lint.yml b/.github/workflows/golangci-lint.yml
@@ -24,10 +24,10 @@ jobs:
           go-version: stable
       - uses: actions/checkout@v4
       - name: golangci-lint
-        uses: golangci/golangci-lint-action@v6.5.0
+        uses: golangci/golangci-lint-action@v8.0.0
         with:
           # Required: the version of golangci-lint is required and must be specified without patch version: we always use the latest patch version.
-          version: v1.64.5
+          version: v2.5.0
 
           # Optional: working directory, useful for monorepos
           # working-directory: somedir

diff --git a/.github/workflows/test-unit.yml b/.github/workflows/test-unit.yml
@@ -80,8 +80,9 @@ jobs:
           curl -sLO https://github.com/vearutop/gocovdiff/releases/download/v1.4.2/linux_amd64.tar.gz && tar xf linux_amd64.tar.gz && rm linux_amd64.tar.gz
           gocovdiff_hash=$(git hash-object ./gocovdiff)
           [ "$gocovdiff_hash" == "c37862c73a677e5a9c069470287823ab5bbf0244" ] || (echo "::error::unexpected hash for gocovdiff, possible tampering: $gocovdiff_hash" && exit 1)
-          git fetch origin master ${{ github.event.pull_request.base.sha }}
-          REP=$(./gocovdiff -mod github.com/$GITHUB_REPOSITORY -cov unit.coverprofile -gha-annotations gha-unit.txt -delta-cov-file delta-cov-unit.txt -target-delta-cov ${TARGET_DELTA_COV})
+          # Fetch PR diff from GitHub API.
+          curl -s -H "Authorization: token ${{ secrets.GITHUB_TOKEN }}" -H "Accept: application/vnd.github.v3.diff" https://api.github.com/repos/${{ github.repository }}/pulls/${{ github.event.pull_request.number }} > pull_request.diff
+          REP=$(./gocovdiff -diff pull_request.diff -mod github.com/$GITHUB_REPOSITORY -cov unit.coverprofile -gha-annotations gha-unit.txt -delta-cov-file delta-cov-unit.txt -target-delta-cov ${TARGET_DELTA_COV})
           echo "${REP}"
           cat gha-unit.txt
           DIFF=$(test -e unit-base.txt && ./gocovdiff -mod github.com/$GITHUB_REPOSITORY -func-cov unit.txt -func-base-cov unit-base.txt || echo "Missing base coverage file")

diff --git a/.gitignore b/.gitignore
@@ -4,5 +4,3 @@
 /.vscode
 /bench-*.txt
 /vendor
-go.work
-go.work.sum
diff --git a/.golangci.yml b/.golangci.yml
@@ -1,22 +1,9 @@
-# See https://github.com/golangci/golangci-lint/blob/master/.golangci.example.yml
+# See https://golangci-lint.run/docs/linters/configuration/
+version: "2"
 run:
   tests: true
-
-linters-settings:
-  errcheck:
-    check-type-assertions: true
-    check-blank: true
-  gocyclo:
-    min-complexity: 20
-  dupl:
-    threshold: 100
-  misspell:
-    locale: US
-  unparam:
-    check-exported: true
-
 linters:
-  enable-all: true
+  default: all
   disable:
     - nilnil
     - err113
@@ -26,48 +13,79 @@ linters:
     - gocognit
     - musttag
     - intrange
+    - noinlineerr
+    - wsl_v5
+    - funcorder
     - copyloopvar
-    - lll
-    - gochecknoglobals
-    - wrapcheck
-    - paralleltest
+    - depguard
+    - dupword
+    - errname
+    - exhaustruct
     - forbidigo
     - forcetypeassert
-    - varnamelen
-    - tagliatelle
-    - errname
+    - gochecknoglobals
+    - intrange
     - ireturn
-    - exhaustruct
+    - lll
+    - mnd
     - nonamedreturns
-    - testableexamples
-    - dupword
-    - depguard
+    - paralleltest
+    - recvcheck
     - tagalign
-    - mnd
+    - tagliatelle
+    - testableexamples
     - testifylint
-    - recvcheck
-
-issues:
-  exclude-use-default: false
-  exclude-rules:
-    - linters:
-        - staticcheck
-      text: "SA1019: strings.Title .+ deprecated"
-
-    - linters:
-        - mnd
-        - goconst
-        - noctx
-        - funlen
-        - dupl
-        - unused
-        - unparam
-      path: "_test.go"
-    - linters:
-        - errcheck # Error checking omitted for brevity.
-        - gosec
-      path: "example_"
-    - linters:
-        - revive
-      text: "unused-parameter: parameter"
-
+    - varnamelen
+    - wrapcheck
+  settings:
+    dupl:
+      threshold: 100
+    errcheck:
+      check-type-assertions: true
+      check-blank: true
+    gocyclo:
+      min-complexity: 20
+    misspell:
+      locale: US
+    unparam:
+      check-exported: true
+  exclusions:
+    generated: lax
+    rules:
+      - linters:
+          - embeddedstructfieldcheck
+          - gosec
+          - dupl
+          - funlen
+          - goconst
+          - mnd
+          - noctx
+          - unparam
+          - unused
+        path: _test.go
+      - linters:
+          - errcheck
+          - gosec
+        path: example_
+      - linters:
+          - revive
+        text: 'unused-parameter: parameter'
+      - linters:
+          - staticcheck
+        text: "SA1019: strings.Title .+ deprecated"
+    paths:
+      - third_party$
+      - builtin$
+      - examples$
+formatters:
+  enable:
+    - gci
+    - gofmt
+    - gofumpt
+    - goimports
+  exclusions:
+    generated: lax
+    paths:
+      - third_party$
+      - builtin$
+      - examples$
diff --git a/Makefile b/Makefile
@@ -1,4 +1,4 @@
-#GOLANGCI_LINT_VERSION := "v1.64.5" # Optional configuration to pinpoint golangci-lint version.
+#GOLANGCI_LINT_VERSION := "v2.5.0" # Optional configuration to pinpoint golangci-lint version.
 
 # The head of Makefile determines location of dev-go to include standard targets.
 GO ?= go
@@ -27,9 +27,6 @@ ifeq ($(DEVGO_PATH),)
 	endif
 endif
 
-JSON_CLI_VERSION := "v1.8.6"
-JSON_CLI_VERSION_31 := "v1.11.1"
-
 -include $(DEVGO_PATH)/makefiles/main.mk
 -include $(DEVGO_PATH)/makefiles/lint.mk
 -include $(DEVGO_PATH)/makefiles/test-unit.mk

diff --git a/go.mod b/go.mod
@@ -3,7 +3,7 @@ module github.com/swaggest/openapi-go
 go 1.18
 
 require (
-	github.com/bool64/dev v0.2.39
+	github.com/bool64/dev v0.2.43
 	github.com/stretchr/testify v1.8.2
 	github.com/swaggest/assertjson v1.9.0
 	github.com/swaggest/jsonschema-go v0.3.74

diff --git a/go.sum b/go.sum
@@ -1,5 +1,5 @@
-github.com/bool64/dev v0.2.39 h1:kP8DnMGlWXhGYJEZE/J0l/gVBdbuhoPGL+MJG4QbofE=
-github.com/bool64/dev v0.2.39/go.mod h1:iJbh1y/HkunEPhgebWRNcs8wfGq7sjvJ6W5iabL8ACg=
+github.com/bool64/dev v0.2.43 h1:yQ7qiZVef6WtCl2vDYU0Y+qSq+0aBrQzY8KXkklk9cQ=
+github.com/bool64/dev v0.2.43/go.mod h1:iJbh1y/HkunEPhgebWRNcs8wfGq7sjvJ6W5iabL8ACg=
 github.com/bool64/shared v0.1.5 h1:fp3eUhBsrSjNCQPcSdQqZxxh9bBwrYiZ+zOKFkM0/2E=
 github.com/bool64/shared v0.1.5/go.mod h1:081yz68YC9jeFB3+Bbmno2RFWvGKv1lPKkMP6MHJlPs=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=

diff --git a/openapi3/entities.go b/openapi3/entities.go
diff --git a/openapi3/example_misc_test.go b/openapi3/example_misc_test.go
@@ -14,7 +14,7 @@ func ExampleReflector_options() {
 	r := openapi3.Reflector{}
 
 	// Reflector embeds jsonschema.Reflector and it is possible to configure optional behavior.
-	r.Reflector.DefaultOptions = append(r.Reflector.DefaultOptions,
+	r.DefaultOptions = append(r.DefaultOptions,
 		jsonschema.InterceptNullability(func(params jsonschema.InterceptNullabilityParams) {
 			// Removing nullability from non-pointer slices (regardless of omitempty).
 			if params.Type.Kind() != reflect.Ptr && params.Schema.HasType(jsonschema.Null) && params.Schema.HasType(jsonschema.Array) {

diff --git a/openapi3/reflect.go b/openapi3/reflect.go
@@ -18,6 +18,7 @@ import (
 // Reflector builds OpenAPI Schema with reflected structures.
 type Reflector struct {
 	jsonschema.Reflector
+
 	Spec *Spec
 }
 

diff --git a/openapi31/entities.go b/openapi31/entities.go
diff --git a/openapi31/example_misc_test.go b/openapi31/example_misc_test.go
@@ -14,7 +14,7 @@ func ExampleReflector_options() {
 	r := openapi31.Reflector{}
 
 	// Reflector embeds jsonschema.Reflector and it is possible to configure optional behavior.
-	r.Reflector.DefaultOptions = append(r.Reflector.DefaultOptions,
+	r.DefaultOptions = append(r.DefaultOptions,
 		jsonschema.InterceptNullability(func(params jsonschema.InterceptNullabilityParams) {
 			// Removing nullability from non-pointer slices (regardless of omitempty).
 			if params.Type.Kind() != reflect.Ptr && params.Schema.HasType(jsonschema.Null) && params.Schema.HasType(jsonschema.Array) {

diff --git a/openapi31/reflect.go b/openapi31/reflect.go
@@ -18,6 +18,7 @@ import (
 // Reflector builds OpenAPI Schema with reflected structures.
 type Reflector struct {
 	jsonschema.Reflector
+
 	Spec *Spec
 }
 

diff --git a/openapi31/reflect_test.go b/openapi31/reflect_test.go
@@ -27,6 +27,7 @@ type EmbeddedHeader struct {
 
 type Resp struct {
 	EmbeddedHeader
+
 	Field1 int    `json:"field1"`
 	Field2 string `json:"field2"`
 	Info   struct {