Update to go1.21 and golangci 1.60.0, test with go1.23

.github/workflows/ci.yaml

@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        go-version: [1.20.x,1.21.x,1.22.x]
+        go-version: [1.21.x,1.22.x,1.23.x]
     steps:
       - name: Checkout Code
         uses: actions/checkout@v4
@@ -35,12 +35,12 @@ jobs:
         run: make test
       - name: Benchmarks
         # no need to run benchmarks for every Go version
-        if: matrix.go-version == '1.22.x'
+        if: matrix.go-version == '1.23.x'
         run: make benchmarks
       - name: Lint
         # Often, lint & gofmt guidelines depend on the Go version. To prevent
         # conflicting guidance, run only on the most recent supported version.
         # For the same reason, only check generated code on the most recent
         # supported version.
-        if: matrix.go-version == '1.22.x'
+        if: matrix.go-version == '1.23.x'
         run: make checkgenerate lint

.golangci.yml

@@ -1,7 +1,3 @@
-run:
-  skip-dirs-use-default: false
-  skip-files:
-    - ".*\\.y\\.go$"
 linters-settings:
   errcheck:
     check-type-assertions: true
@@ -51,7 +47,7 @@ linters:
     - gochecknoinits
     - goconst
     - gocyclo
-    - goerr113
+    - err113
     - interfacebloat
     - nestif
     - nilerr
@@ -61,37 +57,32 @@ linters:
     - varnamelen
     # Other disabled linters
     - cyclop            # covered by gocyclo
-    - deadcode          # deprecated by author
-    - exhaustivestruct  # replaced by exhaustruct
+    - execinquery       # deprecated in golangci v1.58.0
     - funlen            # rely on code review to limit function length
     - gocognit          # dubious "cognitive overhead" quantification
     - gofumpt           # prefer standard gofmt
-    - golint            # deprecated by Go team
     - gomnd             # some unnamed constants are okay
-    - ifshort           # deprecated by author
     - inamedparam       # named params in interface signatures are not always necessary
-    - interfacer        # deprecated by author
     - ireturn           # "accept interfaces, return structs" isn't ironclad
     - lll               # don't want hard limits for line length
     - maintidx          # covered by gocyclo
-    - maligned          # readability trumps efficient struct packing
+    - mnd               # some unnamed constants are okay
     - nlreturn          # generous whitespace violates house style
-    - nosnakecase       # deprecated in https://github.com/golangci/golangci-lint/pull/3065
     - protogetter       # lots of false positives: can't use getter to check if field is present
     - rowserrcheck      # no SQL code in protocompile
-    - scopelint         # deprecated by author
     - sqlclosecheck     # no SQL code in protocompile
-    - structcheck       # deprecated by author
     - testpackage       # internal tests are fine
-    - varcheck          # deprecated by author
     - wastedassign      # not supported with generics
     - wrapcheck         # don't _always_ need to wrap errors
     - wsl               # generous whitespace violates house style
 issues:
+  exclude-dirs-use-default: false
+  exclude-files:
+    - ".*\\.y\\.go$"
   exclude:
     # Don't ban use of fmt.Errorf to create new errors, but the remaining
     # checks from err113 are useful.
-    - "err113: do not define dynamic errors.*"
+    - "do not define dynamic errors.*"
   exclude-rules:
     # Benchmarks can't be run in parallel
     - path: benchmark_test\.go

ast/ast_roundtrip_test.go

@@ -31,7 +31,7 @@ import (
 
 func TestASTRoundTrips(t *testing.T) {
 	t.Parallel()
-	err := filepath.Walk("../internal/testdata", func(path string, info os.FileInfo, err error) error {
+	err := filepath.Walk("../internal/testdata", func(path string, _ os.FileInfo, err error) error {
 		if err != nil {
 			return err
 		}

ast/items_test.go

@@ -30,7 +30,7 @@ import (
 
 func TestItems(t *testing.T) {
 	t.Parallel()
-	err := filepath.Walk("../internal/testdata", func(path string, info os.FileInfo, err error) error {
+	err := filepath.Walk("../internal/testdata", func(path string, _ os.FileInfo, err error) error {
 		if err != nil {
 			return err
 		}

ast/ranges.go

@@ -129,24 +129,24 @@ type RangeNode struct {
 // then so must be exactly one of end or max. If max is non-nil, it indicates a
 // "100 to max" style range. But if end is non-nil, the end of the range is a
 // literal, such as "100 to 200".
-func NewRangeNode(start IntValueNode, to *KeywordNode, end IntValueNode, max *KeywordNode) *RangeNode {
+func NewRangeNode(start IntValueNode, to *KeywordNode, end IntValueNode, maxEnd *KeywordNode) *RangeNode {
 	if start == nil {
 		panic("start is nil")
 	}
 	numChildren := 1
 	if to != nil {
-		if end == nil && max == nil {
+		if end == nil && maxEnd == nil {
 			panic("to is not nil, but end and max both are")
 		}
-		if end != nil && max != nil {
+		if end != nil && maxEnd != nil {
 			panic("end and max cannot be both non-nil")
 		}
 		numChildren = 3
 	} else {
 		if end != nil {
 			panic("to is nil, but end is not")
 		}
-		if max != nil {
+		if maxEnd != nil {
 			panic("to is nil, but max is not")
 		}
 	}
@@ -157,7 +157,7 @@ func NewRangeNode(start IntValueNode, to *KeywordNode, end IntValueNode, max *Ke
 		if end != nil {
 			children = append(children, end)
 		} else {
-			children = append(children, max)
+			children = append(children, maxEnd)
 		}
 	}
 	return &RangeNode{
@@ -167,7 +167,7 @@ func NewRangeNode(start IntValueNode, to *KeywordNode, end IntValueNode, max *Ke
 		StartVal: start,
 		To:       to,
 		EndVal:   end,
-		Max:      max,
+		Max:      maxEnd,
 	}
 }
 
@@ -189,8 +189,8 @@ func (n *RangeNode) StartValue() interface{} {
 	return n.StartVal.Value()
 }
 
-func (n *RangeNode) StartValueAsInt32(min, max int32) (int32, bool) {
-	return AsInt32(n.StartVal, min, max)
+func (n *RangeNode) StartValueAsInt32(minVal, maxVal int32) (int32, bool) {
+	return AsInt32(n.StartVal, minVal, maxVal)
 }
 
 func (n *RangeNode) EndValue() interface{} {
@@ -200,14 +200,14 @@ func (n *RangeNode) EndValue() interface{} {
 	return n.EndVal.Value()
 }
 
-func (n *RangeNode) EndValueAsInt32(min, max int32) (int32, bool) {
+func (n *RangeNode) EndValueAsInt32(minVal, maxVal int32) (int32, bool) {
 	if n.Max != nil {
-		return max, true
+		return maxVal, true
 	}
 	if n.EndVal == nil {
-		return n.StartValueAsInt32(min, max)
+		return n.StartValueAsInt32(minVal, maxVal)
 	}
-	return AsInt32(n.EndVal, min, max)
+	return AsInt32(n.EndVal, minVal, maxVal)
 }
 
 // ReservedNode represents reserved declaration, which can be used to reserve

ast/tokens_test.go

@@ -30,7 +30,7 @@ import (
 
 func TestTokens(t *testing.T) {
 	t.Parallel()
-	err := filepath.Walk("../internal/testdata", func(path string, info os.FileInfo, err error) error {
+	err := filepath.Walk("../internal/testdata", func(path string, _ os.FileInfo, err error) error {
 		if err != nil {
 			return err
 		}

ast/values.go

@@ -141,12 +141,12 @@ type IntValueNode interface {
 
 // AsInt32 range checks the given int value and returns its value is
 // in the range or 0, false if it is outside the range.
-func AsInt32(n IntValueNode, min, max int32) (int32, bool) {
+func AsInt32(n IntValueNode, minVal, maxVal int32) (int32, bool) {
 	i, ok := n.AsInt64()
 	if !ok {
 		return 0, false
 	}
-	if i < int64(min) || i > int64(max) {
+	if i < int64(minVal) || i > int64(maxVal) {
 		return 0, false
 	}
 	return int32(i), true

ast/walk.go

@@ -197,7 +197,7 @@ func (t *AncestorTracker) AsWalkOptions() []WalkOption {
 			t.ancestors = append(t.ancestors, n)
 			return nil
 		}),
-		WithAfter(func(n Node) error {
+		WithAfter(func(_ Node) error {
 			t.ancestors = t.ancestors[:len(t.ancestors)-1]
 			return nil
 		}),

go.mod

@@ -1,6 +1,6 @@
 module github.com/bufbuild/protocompile
 
-go 1.20
+go 1.21
 
 require (
 	github.com/google/go-cmp v0.6.0

go.work

@@ -1,4 +1,4 @@
-go 1.20
+go 1.21
 
 use (
 	.

internal/benchmarks/benchmark_test.go

@@ -111,7 +111,7 @@ func TestMain(m *testing.M) {
 			return
 		}
 
-		googleapisDir = filepath.Join(dir, fmt.Sprintf("googleapis-%s", googleapisCommit)) + "/"
+		googleapisDir = filepath.Join(dir, "googleapis-"+googleapisCommit) + "/"
 		var sourceSize int64
 		err = filepath.Walk(googleapisDir, func(path string, info fs.FileInfo, err error) error {
 			if err != nil {

internal/benchmarks/go.mod

@@ -1,6 +1,6 @@
 module github.com/bufbuild/protocompile/internal/benchmarks
 
-go 1.19
+go 1.21
 
 require (
 	github.com/bufbuild/protocompile v0.14.0

internal/editions/editions.go

@@ -356,11 +356,11 @@ func asExtensionType(ext protoreflect.ExtensionDescriptor) protoreflect.Extensio
 	return dynamicpb.NewExtensionType(ext)
 }
 
-func computeSupportedEditions(min, max descriptorpb.Edition) map[string]descriptorpb.Edition {
+func computeSupportedEditions(minEdition, maxEdition descriptorpb.Edition) map[string]descriptorpb.Edition {
 	supportedEditions := map[string]descriptorpb.Edition{}
 	for editionNum := range descriptorpb.Edition_name {
 		edition := descriptorpb.Edition(editionNum)
-		if edition >= min && edition <= max {
+		if edition >= minEdition && edition <= maxEdition {
 			name := strings.TrimPrefix(edition.String(), "EDITION_")
 			supportedEditions[name] = edition
 		}