action.yml

name: my-vcpkg-action
description: Simple action to run vcpkg and cache results
inputs:
  pkgs:
    description: "List of packages to build, separated by spaces"
    required: true
  triplet:
    description: "vcpkg triplet to use"
    required: true
  extra-args:
    description: "Extra vcpkg command line args (optional)"
    required: false
  cache-key:
    description: "Additional cache key component (optional)"
    required: false
  disable-cache:
    description: "Disable cache (useful for release builds)"
    required: false
    default: 'false'
  revision:
    description: "vcpkg revision to checkout."
    required: false
    default: ''
runs:
  using: "composite"
  steps:
  - name: vcpkg-dry-run-win
    if: runner.os == 'Windows'
    working-directory: ${{ env.VCPKG_ROOT }}
    shell: cmd
    run: |
      set VCPKG_DEFAULT_BINARY_CACHE=${{ github.workspace }}\vcpkg_cache_${{ inputs.cache-key }}
      mkdir %VCPKG_DEFAULT_BINARY_CACHE%
      "${{ env.VCPKG_ROOT }}\vcpkg.exe" install --dry-run --triplet ${{ inputs.triplet }} ${{ inputs.extra-args }} ${{ inputs.pkgs }} > vcpkg_dry_run.txt
  - name: vcpkg-dry-run-unix
    if: runner.os != 'Windows'
    working-directory: ${{ env.VCPKG_ROOT }}
    shell: bash
    run: |
      export VCPKG_DEFAULT_BINARY_CACHE=${{ github.workspace }}/vcpkg_cache_${{ inputs.cache-key }}
      mkdir $VCPKG_DEFAULT_BINARY_CACHE
      "${{ env.VCPKG_ROOT }}/vcpkg" install --dry-run --triplet ${{ inputs.triplet }} ${{ inputs.extra-args }} ${{ inputs.pkgs }} > vcpkg_dry_run.txt
  - name: cache-vcpkg-archives
    if: ${{ inputs.disable_cache != 'true' }}
    id: cache-vcpkg-archives
    uses: pat-s/always-upload-cache@v3
    with:
      path: ${{ github.workspace }}/vcpkg_cache_${{ inputs.cache-key }}
      key: ${{ runner.os }}-${{ inputs.triplet }}-vcpkg-${{ hashFiles('${{ env.VCPKG_ROOT }}\vcpkg_dry_run.txt') }}
  - name: build-vcpkg-win
    if: runner.os == 'Windows'
    shell: cmd
    working-directory: ${{ env.VCPKG_ROOT }}
    run: |
      set VCPKG_DEFAULT_BINARY_CACHE=${{ github.workspace }}\vcpkg_cache_${{ inputs.cache-key }}
      "${{ env.VCPKG_ROOT }}\vcpkg.exe" install --triplet ${{ inputs.triplet }} ${{ inputs.extra-args }} ${{ inputs.pkgs }}
  - name: build-vcpkg-unix
    if: runner.os != 'Windows'
    shell: bash
    working-directory: ${{ env.VCPKG_ROOT }}
    run: |
      export VCPKG_DEFAULT_BINARY_CACHE=${{ github.workspace }}/vcpkg_cache_${{ inputs.cache-key }}
      "${{ env.VCPKG_ROOT }}/vcpkg" install --triplet ${{ inputs.triplet }} ${{ inputs.extra-args }} ${{ inputs.pkgs }}