Require go 1.21, test with go 1.23

.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
@@ -30,5 +30,5 @@ jobs:
       - name: Lint
         # Often, lint & gofmt guidelines depend on the Go version. To prevent
         # conflicting guidance, run only on the most recent supported version.
-        if: matrix.go-version == '1.22.x'
+        if: matrix.go-version == '1.23.x'
         run: make checkgenerate && make lint

.golangci.yml

@@ -1,5 +1,3 @@
-run:
-  skip-dirs-use-default: false
 linters-settings:
   errcheck:
     check-type-assertions: true
@@ -29,34 +27,26 @@ linters:
   enable-all: true
   disable:
     - cyclop            # covered by gocyclo
-    - deadcode          # abandoned
     - depguard          # unnecessary for small libraries
-    - exhaustivestruct  # replaced by exhaustruct
+    - execinquery       # deprecated in golangci v1.58
     - funlen            # rely on code review to limit function length
     - gocognit          # dubious "cognitive overhead" quantification
     - gofumpt           # prefer standard gofmt
     - goimports         # rely on gci instead
-    - golint            # deprecated by Go team
     - gomnd             # some unnamed constants are okay
-    - ifshort           # deprecated by author
     - inamedparam       # convention is not followed
-    - 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
     - nlreturn          # generous whitespace violates house style
     - nonamedreturns    # named returns are fine; it's *bare* returns that are bad
-    - nosnakecase       # deprecated in https://github.com/golangci/golangci-lint/pull/3065
     - protogetter       # too many false positives
-    - scopelint         # deprecated by author
-    - structcheck       # abandoned
     - testpackage       # internal tests are fine
-    - varcheck          # abandoned
     - wrapcheck         # don't _always_ need to wrap errors
     - wsl               # generous whitespace violates house style
 issues:
+  exclude-dirs-use-default: false
   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.*"

Makefile

@@ -79,7 +79,7 @@ $(BIN)/license-header: Makefile
 
 $(BIN)/golangci-lint: Makefile
 	@mkdir -p $(@D)
-	go install github.com/golangci/golangci-lint/cmd/golangci-lint@v1.56.2
+	go install github.com/golangci/golangci-lint/cmd/golangci-lint@v1.60.0
 
 $(BIN)/protoc-gen-go: Makefile
 	@mkdir -p $(@D)

go.mod

@@ -1,6 +1,6 @@
 module connectrpc.com/grpcreflect
 
-go 1.20
+go 1.21
 
 require (
 	connectrpc.com/connect v1.11.0

go.work

@@ -1,4 +1,4 @@
-go 1.19
+go 1.21
 
 use (
 	.