Replace flag with kingpin

.github/labeler.yml

@@ -1,3 +1,6 @@
+change:
+  - head-branch: ['^change/']
+
 enhancement:
   - head-branch: ['^feature/', '^feat/', '^enhancement/', '^enh/']
 

.github/workflows/ci.yml

@@ -4,27 +4,16 @@ on:
   push:
     branches:
       - main
-    paths-ignore:
-      - '**.md'
-      - 'LICENSE'
     tags:
-      - 'v[0-9]+.[0-9]+.[0-9]+'
+      - "v[0-9]+.[0-9]+.[0-9]+"
   pull_request:
     branches:
       - main
-    paths-ignore:
-      - '**.md'
-      - 'LICENSE'
-    types:
-      - opened
-      - reopened
-      - synchronize
 
 env:
   DOCKER_PLATFORMS: "linux/arm,linux/arm64,linux/amd64,linux/ppc64le,linux/s390x,linux/mips64le,linux/386"
 
 jobs:
-
   unit-tests:
     name: Unit Tests
     runs-on: ubuntu-22.04
@@ -65,7 +54,6 @@ jobs:
         run: |
           echo "go_path=$(go env GOPATH)" >> $GITHUB_OUTPUT
       - name: Setup QEMU
-
         uses: docker/setup-qemu-action@e81a89b1732b9c48d79cd809d8d81d79c4647a18 # v2.1.0
         with:
           platforms: arm,arm64,ppc64le,s390x,mips64le,386
@@ -130,7 +118,7 @@ jobs:
       - name: Publish Release Notes
         uses: release-drafter/release-drafter@569eb7ee3a85817ab916c8f8ff03a5bd96c9c83e # v5.23.0
         with:
-            publish: true
+          publish: true
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         if: ${{ startsWith(github.ref, 'refs/tags/') }}
@@ -142,18 +130,22 @@ jobs:
         uses: goreleaser/goreleaser-action@f82d6c1c344bcacabba2c841718984797f664a6b # v4.2.0
         with:
           version: latest
-          args: ${{ !startsWith(github.ref, 'refs/tags/') && 'build --snapshot' || 'release' }} ${{ github.event_name == 'pull_request' && '--single-target' || '' }} --rm-dist
+          args: ${{ !startsWith(github.ref, 'refs/tags/') && 'build --snapshot' || 'release' }} ${{ github.event_name == 'pull_request' && '--single-target' || '' }} --clean
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
           GOPATH: ${{ steps.go.outputs.go_path }}
           HOMEBREW_TAP_GITHUB_TOKEN: ${{ secrets.NGINX_PAT }}
           SLACK_WEBHOOK: ${{ secrets.SLACK_WEBHOOK_COMMUNITY }}
 
+      - name: Print NGINX Prometheus Exporter info
+        run: ./dist/nginx-prometheus-exporter_linux_amd64_v1/nginx-prometheus-exporter --version
+        continue-on-error: true
+
       - name: Build and Push Docker Image
         uses: docker/build-push-action@3b5e8027fcad23fda98b2e3ac259d8d67585f671 # v4.0.0
         with:
           file: build/Dockerfile
-          context: '.'
+          context: "."
           target: goreleaser
           platforms: ${{ github.event_name != 'pull_request' && env.DOCKER_PLATFORMS || '' }}
           tags: ${{ steps.meta.outputs.tags }}

.golangci.yml

@@ -28,6 +28,9 @@ linters-settings:
       - name: unused-parameter
       - name: var-declaration
       - name: var-naming
+  errcheck:
+    exclude-functions:
+    - (github.com/go-kit/log.Logger).Log
 
 linters:
     enable:

.goreleaser.yml

@@ -1,8 +1,3 @@
-before:
-  hooks:
-    - go mod tidy
-    - go mod verify
-
 builds:
   - env:
       - CGO_ENABLED=0
@@ -33,14 +28,16 @@ builds:
       - all=-trimpath={{.Env.GOPATH}}
     asmflags:
       - all=-trimpath={{.Env.GOPATH}}
+    ldflags:
+      - 's -w -X github.com/prometheus/common/version.Version={{.Version}} -X github.com/prometheus/common/version.BuildDate={{.Date}} -X github.com/prometheus/common/version.Branch={{.Branch}} -X github.com/prometheus/common/version.BuildUser=goreleaser'
 
 sboms:
   - artifacts: archive
 
 archives:
-- format_overrides:
-    - goos: windows
-      format: zip
+  - format_overrides:
+      - goos: windows
+        format: zip
 
 checksum:
   name_template: 'sha256sums.txt'
@@ -52,7 +49,7 @@ brews:
   - tap:
       owner: nginxinc
       name: homebrew-tap
-      token: "{{ .Env.HOMEBREW_TAP_GITHUB_TOKEN }}"
+      token: '{{ .Env.HOMEBREW_TAP_GITHUB_TOKEN }}'
     folder: Formula
     homepage: https://www.nginx.com/
     description: NGINX Prometheus Exporter for NGINX and NGINX Plus

Makefile

@@ -4,12 +4,12 @@ PREFIX = nginx/nginx-prometheus-exporter
 
 .PHONY: nginx-prometheus-exporter
 nginx-prometheus-exporter:
-	CGO_ENABLED=0 go build -trimpath -ldflags "-s -w -X main.version=$(VERSION)" -o nginx-prometheus-exporter
+	CGO_ENABLED=0 go build -trimpath -ldflags "-s -w -X github.com/prometheus/common/version.Version=$(VERSION)" -o nginx-prometheus-exporter
 
 .PHONY: build-goreleaser
 build-goreleaser: ## Build all binaries using GoReleaser
 	@goreleaser -v || (code=$$?; printf "\033[0;31mError\033[0m: there was a problem with GoReleaser. Follow the docs to install it https://goreleaser.com/install\n"; exit $$code)
-	GOPATH=$(shell go env GOPATH) goreleaser build --rm-dist --snapshot
+	GOPATH=$(shell go env GOPATH) goreleaser build --clean --snapshot --debug
 
 .PHONY: lint
 lint: