action.yaml

name: Bump Version
description: Action to bump the version of a project
inputs:
  pat:
    description: PAT for accessing the application repo
    required: true
  increment:
    description: The type of increment to make
    required: true
    default: patch
  working-dir:
    description: The working directory of the project
    required: false
    default: "."
  helm:
    description: The project uses Helm
    required: false
    default: "false"
  node:
    description: The project uses Node
    required: false
    default: "false"
  python:
    description: The project uses Python
    required: false
    default: "false"
  go:
    description: The project uses Go
    required: false
    default: "false"
  go-lib:
    description: The project is a Go library
    required: false
    default: "false"
  java:
    description: The project uses Java
    required: false
    default: "false"
  dotnet:
    description: The project uses Dot Net
    required: false
    default: "false"

runs:
  using: composite
  steps:
    - name: Checkout
      uses: actions/checkout@v2
      with:
        token: ${{ inputs.pat }}
    
    - name: Check if app should be updated
      run: |
        if [ "${{ inputs.node }}" == 'true' ] || [ "${{ inputs.python }}" == 'true' ] || [ "${{ inputs.go }}" == 'true' ] || [ "${{ inputs.java }}" == 'true' ] || [ "${{ inputs.dotnet }}" == 'true' ]; then
          echo "UPDATE_APP=true" >> $GITHUB_ENV
        else
          echo "UPDATE_APP=false" >> $GITHUB_ENV
        fi
      shell: bash
    
    - name: Get current app version
      if: ${{ env.UPDATE_APP == 'true' }}
      run: |
        echo "APP_VERSION=$(cat VERSION)" >> $GITHUB_ENV
      working-directory: ${{ inputs.working-dir }}
      shell: bash
    
    - name: Get current chart version
      if: ${{ inputs.helm == 'true' }}
      run: |
        echo "CHART_VERSION=$(cat ./charts/VERSION)" >> $GITHUB_ENV
      working-directory: ${{ inputs.working-dir }}
      shell: bash

    - name: Install semver utility
      run: |
        npm i -g semver
      shell: bash

    - name: Increment App versions
      if: ${{ env.UPDATE_APP == 'true' }}
      run: |
        echo "NEW_APP_VERSION=$(semver -i ${{ inputs.increment }} $APP_VERSION)" >> $GITHUB_ENV
      shell: bash

    - name: Increment Chart versions
      if: ${{ inputs.helm == 'true' }}
      run: |
        echo "NEW_CHART_VERSION=$(semver -i ${{ inputs.increment }} $CHART_VERSION)" >> $GITHUB_ENV
      shell: bash

    - name: For a Go library, version should start with v
      if:  ${{ inputs.go == 'true' && inputs.go-lib == 'true' && !startsWith( env.NEW_APP_VERSION, 'v' ) }}
      run: |
        echo "NEW_APP_VERSION=v${{ env.NEW_APP_VERSION }}" >> $GITHUB_ENV
      shell: bash

    - name: Bump VERSION file
      if: ${{ env.UPDATE_APP == 'true' }}
      run: |
        echo $NEW_APP_VERSION > VERSION
      working-directory: ${{ inputs.working-dir }}
      shell: bash

    - name: Bump VERSION file in chart
      if: ${{ inputs.helm == 'true' }}
      run: |
        echo $NEW_CHART_VERSION > ./charts/VERSION
      working-directory: ${{ inputs.working-dir }}
      shell: bash

    - name: Bump version in helm chart
      if: ${{ inputs.helm == 'true' }}
      # We are using sed instead of yq as yq is not preserving empty lines. See https://github.com/mikefarah/yq/issues/515
      run: |
        if [ -f "./charts/Chart.yaml" ]; then
          find ./charts -name "Chart.yaml" -exec sed -i -E "s/^version: [0-9\.]*/version: "$NEW_CHART_VERSION"/g" {} \;
        fi
      working-directory: ${{ inputs.working-dir }}
      shell: bash

    - name: Bump appVersion in helm chart
      if: ${{ inputs.helm == 'true' && env.UPDATE_APP == 'true' }}
      # We are using sed instead of yq as yq is not preserving empty lines. See https://github.com/mikefarah/yq/issues/515
      run: |
        if [ -f "./charts/Chart.yaml" ]; then
          find ./charts -name "Chart.yaml" -exec sed -i -E "s/appVersion: [0-9\.]*/appVersion: "$NEW_APP_VERSION"/g" {} \;
        fi
      working-directory: ${{ inputs.working-dir }}
      shell: bash

    - name: Bump package.json and package-lock.json
      if: ${{ inputs.node == 'true' }}
      # We are using env.NEW_APP_VERSION instead of $NEW_APP_VERSION as yq does not easily substitute variables
      run: |
        yq -i -o=json -P '.version = "${{ env.NEW_APP_VERSION }}"' 'package.json'
        if [ -f "./package-lock.json" ]; then
          yq -i -o=json -P '.version = "${{ env.NEW_APP_VERSION }}" | .packages[""].version = "${{ env.NEW_APP_VERSION }}"' 'package-lock.json'
        fi
      working-directory: ${{ inputs.working-dir }}
      shell: bash

    - name: Check if app version in build.gradle is used from VERSION file
      if: ${{ inputs.java == 'true' }}
      run: |
        if [ $(grep -E "version.*file\('VERSION'\).text.trim\(\)$" build.gradle) -eq 0 ]; then
          find . -name "build.gradle" -exec sed -i -E "s/^version.*'/version = file('VERSION').text.trim()/g" {} \;
        fi
      working-directory: ${{ inputs.working-dir }}
      shell: bash

    - name: Bump AssemblyInfo.cs
      if: ${{ inputs.dotnet == 'true' }}
      run: |
        find . -name "AssemblyInfo.cs" -exec sed -i "s/AssemblyVersion(\"[0-9\.]*\")/AssemblyVersion(\"${{ env.NEW_APP_VERSION }}.0\")/g" {} \;
        find . -name "AssemblyInfo.cs" -exec sed -i "s/AssemblyFileVersion(\"[0-9\.]*\")/AssemblyFileVersion(\"${{ env.NEW_APP_VERSION }}.0\")/g" {} \;
      working-directory: ${{ inputs.working-dir }}
      shell: bash

      # Create commit messages
    - name: Commit message for only chart
      if: ${{ inputs.helm == 'true' && env.UPDATE_APP == 'false' }}
      run: |
        echo "COMMIT_MESSAGE="feat: bump chart version to $NEW_CHART_VERSION"" >> $GITHUB_ENV
      working-directory: ${{ inputs.working-dir }}
      shell: bash

    - name: Commit message for only app
      if: ${{ inputs.helm == 'false' && env.UPDATE_APP == 'true' }}
      run: |
        echo "COMMIT_MESSAGE="feat: bump app version to $NEW_APP_VERSION"" >> $GITHUB_ENV
      working-directory: ${{ inputs.working-dir }}
      shell: bash

    - name: Commit message for only chart
      if: ${{ inputs.helm == 'true' && env.UPDATE_APP == 'true' }}
      run: |
        echo "COMMIT_MESSAGE="feat: bump chart version to $NEW_CHART_VERSION and app version to $NEW_APP_VERSION"" >> $GITHUB_ENV
      working-directory: ${{ inputs.working-dir }}
      shell: bash
    
    - name: Commit Changes
      env:
        GIT_AUTHOR_NAME: Beez Innovation Labs
        GIT_COMMITTER_NAME: Beez Innovation Labs
        GIT_AUTHOR_EMAIL: github@beezlabs.com
        GIT_COMMITTER_EMAIL: github@beezlabs.com
      run: |
        git add -A
        git diff-index --quiet HEAD || git commit -m "$COMMIT_MESSAGE"
        git push
      shell: bash