Make API for using in golangci-lint

.github/workflows/ci.yml

@@ -0,0 +1,38 @@
+name: Main
+
+on:
+  push:
+    branches:
+      - master
+      - main
+  pull_request:
+
+jobs:
+
+  main:
+    name: Main Process
+    runs-on: ubuntu-latest
+    env:
+      GO_VERSION: stable
+      GOLANGCI_LINT_VERSION: v1.63.4
+      CGO_ENABLED: 0
+
+    steps:
+
+      - uses: actions/checkout@v4
+      - uses: actions/setup-go@v5
+        with:
+          go-version: ${{ env.GO_VERSION }}
+
+      - name: Check and get dependencies
+        run: |
+          go mod tidy
+          git diff --exit-code go.mod
+          git diff --exit-code go.sum
+
+      # https://golangci-lint.run/usage/install#other-ci
+      - name: Install golangci-lint ${{ env.GOLANGCI_LINT_VERSION }}
+        run: curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s -- -b $(go env GOPATH)/bin ${GOLANGCI_LINT_VERSION}
+
+      - name: Make
+        run: make

.github/workflows/go-cross.yml

@@ -0,0 +1,31 @@
+name: Go Matrix
+
+on:
+  push:
+    branches:
+      - master
+      - main
+  pull_request:
+
+jobs:
+
+  cross:
+    name: Go
+    runs-on: ${{ matrix.os }}
+    env:
+      CGO_ENABLED: 0
+
+    strategy:
+      matrix:
+        go-version: [ stable, oldstable ]
+        os: [ubuntu-latest, macos-latest, windows-latest]
+
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-go@v5
+        with:
+          go-version: ${{ matrix.go-version }}
+
+      - name: Test
+        run: go test -v -cover ./...
+

.golangci.yml

@@ -0,0 +1,71 @@
+linters:
+  enable-all: true
+  disable:
+    - exportloopref # deprecated
+    - cyclop # duplicate of gocyclo
+    - sqlclosecheck # not relevant (SQL)
+    - rowserrcheck # not relevant (SQL)
+    - dupl
+    - lll
+    - nestif
+    - mnd
+    - err113
+    - nlreturn
+    - wsl
+    - exhaustive
+    - exhaustruct
+    - tparallel
+    - testpackage
+    - paralleltest
+    - forcetypeassert
+    - varnamelen
+    - prealloc # false-positives
+    - nonamedreturns
+    - nilerr
+    - depguard
+
+linters-settings:
+  govet:
+    enable-all: true
+    disable:
+      - fieldalignment
+  gocyclo:
+    min-complexity: 30 # 30 by default (but we recommend 10-20)
+  goconst:
+    min-len: 3
+    min-occurrences: 3
+  misspell:
+    locale: US
+  funlen:
+    lines: -1
+    statements: 80 # default 40
+  gocognit:
+    min-complexity: 65 # default 30
+  gofumpt:
+    extra-rules: true
+  godox:
+    keywords:
+      - FIXME
+  gosec:
+    excludes:
+      - G115 # integer overflow conversion
+
+issues:
+  exclude-use-default: false
+  max-issues-per-linter: 0
+  max-same-issues: 0
+  exclude:
+    - 'ST1000: at least one file in a package should have a package comment'
+  exclude-rules:
+    - path: (.+)_test.go
+      linters:
+        - funlen
+        - goconst
+        - gosec
+        - maintidx
+    - path: cmd/revgrep/main.go
+      linters:
+        - forbidigo
+
+run:
+  timeout: 2m

Makefile

@@ -0,0 +1,12 @@
+.PHONY: clean lint lint-fix test
+
+default: lint test
+
+test:
+	go test -v -cover ./...
+
+lint:
+	golangci-lint run
+
+lint-fix:
+	golangci-lint run --fix

README.md

@@ -1,14 +1,11 @@
 # Overview
 
-[![Build Status](https://travis-ci.org/bradleyfalzon/revgrep.svg?branch=master)](https://travis-ci.org/bradleyfalzon/revgrep) [![Coverage
-Status](https://coveralls.io/repos/github/bradleyfalzon/revgrep/badge.svg?branch=master)](https://coveralls.io/github/bradleyfalzon/revgrep?branch=master) [![GoDoc](https://godoc.org/github.com/bradleyfalzon/revgrep?status.svg)](https://godoc.org/github.com/bradleyfalzon/revgrep)
-
 `revgrep` is a CLI tool used to filter static analysis tools to only lines changed based on a commit reference.
 
 # Install
 
 ```bash
-go get -u github.com/bradleyfalzon/revgrep/...
+go install github.com/golangci/revgrep/cmd/revgrep@latest
 ```
 
 # Usage

cmd/revgrep/main.go

@@ -1,11 +1,12 @@
+// Package main a CLI tool used to filter static analysis tools to only lines changed based on a commit reference.
 package main
 
 import (
 	"flag"
 	"fmt"
 	"os"
 
-	"github.com/bradleyfalzon/revgrep"
+	"github.com/golangci/revgrep"
 )
 
 func main() {
@@ -38,7 +39,7 @@ func main() {
 
 	issues, err := checker.Check(os.Stdin, os.Stderr)
 	if err != nil {
-		fmt.Fprintln(os.Stderr, err)
+		_, _ = fmt.Fprintln(os.Stderr, err)
 		os.Exit(1)
 	}
 	if len(issues) > 0 {

go.mod

@@ -0,0 +1,3 @@
+module github.com/golangci/revgrep
+
+go 1.21