v2 Add integration with golangci-lint

.github/workflows/golangci-lint.yml

@@ -0,0 +1,25 @@
+name: golangci-lint
+on:
+  push:
+    tags:
+      - v2.*
+    branches:
+      - v2-maint
+  pull_request:
+    branches:
+      - v2-maint
+permissions:
+  contents: read
+jobs:
+  golangci:
+    name: lint
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/setup-go@v3
+        with:
+          go-version: "1.20"
+      - uses: actions/checkout@v3
+      - name: golangci-lint
+        uses: golangci/golangci-lint-action@v3
+        with:
+          version: latest

.golangci.yaml

@@ -0,0 +1,4 @@
+# https://golangci-lint.run/usage/configuration/
+linters:
+  enable:
+    - misspell

command_test.go

@@ -341,7 +341,7 @@ func TestCommand_Run_CustomShellCompleteAcceptsMalformedFlags(t *testing.T) {
 	}{
 		{testArgs: args{"--undefined"}, expectedOut: "found 0 args"},
 		{testArgs: args{"--number"}, expectedOut: "found 0 args"},
-		{testArgs: args{"--number", "fourty-two"}, expectedOut: "found 0 args"},
+		{testArgs: args{"--number", "forty-two"}, expectedOut: "found 0 args"},
 		{testArgs: args{"--number", "42"}, expectedOut: "found 0 args"},
 		{testArgs: args{"--number", "42", "newArg"}, expectedOut: "found 1 args"},
 	}

context.go

@@ -144,7 +144,7 @@ func (cCtx *Context) Lineage() []*Context {
 	return lineage
 }
 
-// Count returns the num of occurences of this flag
+// Count returns the num of occurrences of this flag
 func (cCtx *Context) Count(name string) int {
 	if fs := cCtx.lookupFlagSet(name); fs != nil {
 		if cf, ok := fs.Lookup(name).Value.(Countable); ok {

godoc-current.txt

@@ -649,7 +649,7 @@ func (cCtx *Context) Bool(name string) bool
     Bool looks up the value of a local BoolFlag, returns false if not found
 
 func (cCtx *Context) Count(name string) int
-    Count returns the num of occurences of this flag
+    Count returns the num of occurrences of this flag
 
 func (cCtx *Context) Duration(name string) time.Duration
     Duration looks up the value of a local DurationFlag, returns 0 if not found

testdata/godoc-v2.x.txt

@@ -649,7 +649,7 @@ func (cCtx *Context) Bool(name string) bool
     Bool looks up the value of a local BoolFlag, returns false if not found
 
 func (cCtx *Context) Count(name string) int
-    Count returns the num of occurences of this flag
+    Count returns the num of occurrences of this flag
 
 func (cCtx *Context) Duration(name string) time.Duration
     Duration looks up the value of a local DurationFlag, returns 0 if not found