initial commit

.github/CODEOWNERS

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+* @nieomylnieja

.github/renovate.json5

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+{
+  "$schema": "https://docs.renovatebot.com/renovate-schema.json",
+  "extends": [
+    "schedule:nonOfficeHours", // https://docs.renovatebot.com/presets-schedule/#schedulenonofficehours
+    ":enableVulnerabilityAlertsWithLabel(security)", // https://docs.renovatebot.com/presets-default/#enablevulnerabilityalertswithlabelarg0
+    "group:recommended", // https://docs.renovatebot.com/presets-group/#grouprecommended
+    "workarounds:all", // https://docs.renovatebot.com/presets-workarounds/#workaroundsall
+  ],
+  "reviewersFromCodeOwners": true,
+  "dependencyDashboard": true,
+  "semanticCommits": "disabled",
+  "labels": ["dependencies", "renovate"],
+  "prHourlyLimit": 1,
+  "prConcurrentLimit": 5,
+  "rebaseWhen": "conflicted",
+  "rangeStrategy": "pin",
+  "branchPrefix": "renovate_",
+  // Manager-specific configs:
+  // This will run go mod tidy after each go.mod update.
+  "postUpdateOptions": ["gomodTidy"],
+  // Custom version extraction from Makefile.
+  "regexManagers": [
+    {
+      "fileMatch": ["^Makefile$"],
+      "matchStrings": [
+        ".*renovate datasource=(?<datasource>.*?) depName=(?<depName>.*?)\\n.*?_VERSION\\s?:=\\s?(?<currentValue>.*)\\s"
+      ]
+    }
+  ],
+}

.github/workflows/ci.yml

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+name: CI checks
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+jobs:
+  check:
+    runs-on: ubuntu-latest
+    env:
+      GO111MODULE: on
+    steps:
+      - name: Check out code
+        uses: actions/checkout@v4
+      - uses: actions/setup-go@v4
+        with:
+          go-version-file: go.mod
+          check-latest: true
+      - name: Set up prerequisites - node and yarn
+        uses: actions/setup-node@v3
+      - name: Set up yarn cache
+        id: yarn-cache
+        run: echo "::set-output name=dir::$(yarn cache dir)"
+      - uses: actions/cache@v3
+        with:
+          path: ${{ steps.yarn-cache.outputs.dir }}
+          key: ${{ runner.os }}-yarn-${{ hashFiles('**/yarn.lock') }}
+          restore-keys: |
+            ${{ runner.os }}-yarn-
+      - name: Run spell and markdown checkers
+        run: make check/spell check/trailing check/markdown
+      - name: Check formatting
+        run: make check/format
+      - name: Run go vet
+        run: make check/vet
+      - name: Run golangci-lint
+        run: make check/lint
+      - name: Run Gosec Security Scanner
+        run: make check/gosec
+      - name: Run unit tests
+        run: make test

.github/workflows/release.yml

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+name: Release
+on:
+  push:
+    tags:
+      - 'v*'
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout Source
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+      - name: Set up Go
+        uses: actions/setup-go@v4
+        with:
+          go-version-file: go.mod
+          check-latest: true
+      - name: Release Binaries
+        uses: goreleaser/goreleaser-action@v5
+        with:
+          version: latest
+          args: release --clean
+        env:
+          GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}

.github/workflows/scan.yml

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+name: Scan vulnerabilities
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+  schedule:
+    # Run at 8:00 AM every weekday.
+    - cron:  '0 8 * * 1-5'
+jobs:
+  scan:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out code
+        uses: actions/checkout@v4
+      - name: Setup Golang
+        uses: actions/setup-go@v4
+        with:
+          go-version-file: go.mod
+          check-latest: true
+      - name: Run Golang Vulncheck
+        run: make check/vulns

.gitignore

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+# If you prefer the allow list template instead of the deny list, see community template:
+# https://github.com/github/gitignore/blob/main/community/Golang/Go.AllowList.gitignore
+#
+# Binaries for programs and plugins
+*.exe
+*.exe~
+*.dll
+*.so
+*.dylib
+bin/
+
+# Test binary, built with `go test -c`
+*.test
+
+# Output of the go coverage tool, specifically when used with LiteIDE
+*.out
+
+# Dependency directories (remove the comment below to include it)
+vendor/
+
+# Go workspace file
+go.work
+
+# Node
+node_modules/
+yarn.lock
+yarn-error.log

.gitmodules

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+[submodule "test/bats"]
+	path = test/bats
+	url = https://github.com/bats-core/bats-core.git
+[submodule "test/test_helper/bats-assert"]
+	path = test/test_helper/bats-assert
+	url = https://github.com/bats-core/bats-assert.git
+[submodule "test/test_helper/bats-support"]
+	path = test/test_helper/bats-support
+	url = https://github.com/bats-core/bats-assert.git

.golangci.yml

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+run:
+  timeout: 5m
+  modules-download-mode: readonly
+  skip-dirs:
+    - scripts
+    - test
+  skip-dirs-use-default: true
+
+issues:
+  # Enable all checks (which was as default disabled e.g. comments).
+  exclude-use-default: false
+  # Value 0 means show all.
+  max-issues-per-linter: 0
+  max-same-issues: 0
+
+linters-settings:
+  revive:
+    rules:
+      - name: package-comments
+        disabled: true
+  goimports:
+    # Put imports beginning with prefix after 3rd-party packages;
+    # it's a comma-separated list of prefixes.
+    local-prefixes: github.com/nieomylnieja/go-libyear
+  govet:
+    # False positives and reporting on error shadowing (which is intended).
+    # Quoting Robi Pike:
+    #   The shadow code is marked experimental.
+    #   It has too many false positives to be enabled by default, so this is not entirely unexpected,
+    #   but don't expect a fix soon. The right way to detect shadowing without flow analysis is elusive.
+    # Few years later (comment from 2015) and the Shadow analyer is still experimental...
+    check-shadowing: false
+  lll:
+    line-length: 120
+  gocritic:
+    enabled-tags:
+      - opinionated
+  exhaustive:
+    default-signifies-exhaustive: true
+  errcheck:
+    exclude-functions:
+      - Body.Close()
+  misspell:
+    locale: US
+
+linters:
+  disable-all: true
+  enable:
+    # All linters from list https://golangci-lint.run/usage/linters/ are speciefed here and explicit enable/disable.
+    - asasalint
+    - asciicheck
+    - bodyclose
+    - errcheck
+    - exhaustive
+    - exportloopref
+    - gocheckcompilerdirectives
+    - gochecknoinits
+    - gocritic
+    - godot
+    - gofmt
+    - goheader
+    - goimports
+    - goprintffuncname
+    - gosimple
+    - govet
+    - importas
+    - ireturn
+    - ineffassign
+    - lll
+    - makezero
+    - mirror
+    - misspell
+    - nakedret
+    - nilerr
+    - nilnil
+    - prealloc
+    - predeclared
+    - revive
+    - rowserrcheck
+    - sloglint
+    - staticcheck
+    - tenv
+    - testifylint
+    - thelper
+    - tparallel
+    - typecheck
+    - unconvert
+    - unparam
+    - unused
+    - wastedassign
+    - whitespace

.gorelaser.yml

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+project_name: go-libyear
+
+release:
+  github:
+    owner: nieomylnieja
+    name: go-libyear
+
+builds:
+  - main: ./cmd/
+    binary: go-libyear
+    goos:
+      - darwin
+      - linux
+      - windows
+    goarch:
+      - amd64
+      - arm64
+    ldflags: -X main.Version={{.Version}} -X main.GitTag={{.Tag}} -X main.BuildDate={{.Date}}
+    env:
+      - CGO_ENABLED=0
+
+checksum:
+  name_template: {{ .ProjectName }}-{{ .Version }}-SHA256SUMS'
+  algorithm: sha256