ci: migrate from codespell to misspell (envoyproxy#1300)

Signed-off-by: Hrushikesh Patil <[email protected]>

Author: anuraaga

.codespell.ignorewords

@@ -26,9 +26,9 @@ header:
     - "**/.gitignore"
     - "**/.helmignore"
     - .trivyignore
-    - ".codespell.*"
     - .editorconfig
     - .golangci.yml
+    - .misspellignore
     - .prettierignore
     - .testcoverage.yml
     - LICENSE

.codespell.skip

@@ -0,0 +1,18 @@
+/manifests/charts/ai-gateway-helm/crds/*
+/site/package-lock.json
+/site/package.json
+/site/node_modules/*
+/site/build/*
+/site/npm-debug.log*
+/site/yarn-debug.log*
+/site/yarn-error.log*
+go.mod
+go.sum
+/tests/e2e/logs
+/tests/e2e-inference-extension/logs
+/tests/e2e-upgrade/logs
+*_for_tests.yaml
+/tests/extproc/testdata/server.*
+/tests/internal/testopenai/cassettes/*.yaml
+/tests/internal/testopeninference/spans/*.json
+/.golangci.yml

.licenserc.yaml

@@ -8,8 +8,7 @@
 # in the command line every time.
 -include .makerc
 
-# The Go-based tools are defined in Makefile.tools.mk.
-include Makefile.tools.mk
+GO_TOOL := go tool -modfile=tools/go.mod
 
 # The list of commands that can be built.
 COMMANDS := controller extproc
@@ -47,19 +46,17 @@ help:
 # This runs all necessary steps to prepare for a commit.
 .PHONY: precommit
 precommit: ## Run all necessary steps to prepare for a commit.
-precommit: tidy codespell apigen apidoc format lint editorconfig helm-test
+precommit: tidy spellcheck apigen apidoc format lint editorconfig helm-test
 
 .PHONY: lint
 lint: ## This runs the linter, formatter, and tidy on the codebase.
 	@echo "lint => ./..."
 	@$(GO_TOOL) golangci-lint run --build-tags==test_crdcel,test_controller,test_extproc,test_e2e ./...
 
-.PHONY: codespell
-CODESPELL_SKIP := $(shell cat .codespell.skip | tr \\n ',')
-CODESPELL_IGNORE_WORDS := ".codespell.ignorewords"
-codespell: $(CODESPELL) ## Spell check the codebase.
-	@echo "spell => ./..."
-	@$(CODESPELL) --skip $(CODESPELL_SKIP) --ignore-words $(CODESPELL_IGNORE_WORDS)
+.PHONY: spellcheck
+spellcheck:  ## Spell check the codebase.
+	@echo "misspell => ./..."
+	@$(GO_TOOL) misspell -error $$(git ls-files --cached --others --exclude-standard | (cd tools && go run ./ignorepaths ../.misspellignore))
 
 # Some IDEs like Goland place `.go` files in the `.idea` directory when using code templates. Using a
 # git command to find the files ensures that only relevant files are formatted and that git-ignored

.misspellignore

@@ -7,6 +7,7 @@ tool (
 	github.com/editorconfig-checker/editorconfig-checker/v3/cmd/editorconfig-checker
 	github.com/elastic/crd-ref-docs
 	github.com/golangci/golangci-lint/v2/cmd/golangci-lint
+	github.com/golangci/misspell/cmd/misspell
 	github.com/tetratelabs/func-e/cmd/func-e
 	github.com/vladopajic/go-test-coverage/v2
 	github.com/wasilibs/go-prettier/v3/cmd/prettier
@@ -16,6 +17,8 @@ tool (
 	sigs.k8s.io/kind
 )
 
+require github.com/monochromegane/go-gitignore v0.0.0-20200626010858-205db1a8cc00
+
 require (
 	4d63.com/gocheckcompilerdirectives v1.3.0 // indirect
 	4d63.com/gochecknoglobals v0.2.2 // indirect
@@ -226,7 +229,6 @@ require (
 	github.com/moby/term v0.5.2 // indirect
 	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
 	github.com/modern-go/reflect2 v1.0.3-0.20250322232337-35a7c28c31ee // indirect
-	github.com/monochromegane/go-gitignore v0.0.0-20200626010858-205db1a8cc00 // indirect
 	github.com/moricho/tparallel v0.3.2 // indirect
 	github.com/muesli/termenv v0.16.0 // indirect
 	github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect

Makefile

@@ -0,0 +1,30 @@
+// Copyright Envoy AI Gateway Authors
+// SPDX-License-Identifier: Apache-2.0
+// The full text of the Apache license is available in the LICENSE file at
+// the root of the repo.
+
+package main
+
+import (
+	"bufio"
+	"fmt"
+	"os"
+
+	"github.com/monochromegane/go-gitignore"
+)
+
+// Takes a list of file paths from stdin and filters them based on the given .gitignore-style file.
+
+func main() {
+	gi, err := gitignore.NewGitIgnore(os.Args[1], ".")
+	if err != nil {
+		panic(err)
+	}
+
+	s := bufio.NewScanner(os.Stdin)
+	for s.Scan() {
+		if !gi.Match(s.Text(), false) {
+			_, _ = fmt.Fprintln(os.Stdout, s.Text())
+		}
+	}
+}