build.yml

name: Build

on:
  push:
    branches:
      - main
  workflow_dispatch:
    inputs:
      denops_version:
        description: Denops version
        required: false

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: docker/setup-qemu-action@v3
      - uses: docker/setup-buildx-action@v3
      - uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Construct variables
        id: vars
        run: |
          if [[ -z "${{ github.event.inputs.denops_version }}" ]]; then
            echo 'DENOPS_VERSION=main' >> $GITHUB_OUTPUT
          else
            echo 'DENOPS_VERSION=${{ github.event.inputs.denops_version }}' >> $GITHUB_OUTPUT
          fi
          if [[ $DENOPS_VERSION == v* ]]; then
            echo "DOCKER_TAG=$DENOPS_VERSION" >> $GITHUB_OUTPUT
            # vX.Y.Z -> vX.Y (major and minor)
            echo "DOCKER_TAG_MINOR=$(echo $DENOPS_VERSION | sed -r 's/(v[0-9]+)(\.[0-9]+)(\.[0-9]+)/\1\2/')" >> $GITHUB_OUTPUT
            # vX.Y.Z -> vX (major only)
            echo "DOCKER_TAG_MAJOR=$(echo $DENOPS_VERSION | sed -r 's/(v[0-9]+)(\.[0-9]+)(\.[0-9]+)/\1/')" >> $GITHUB_OUTPUT
          else
            echo "DOCKER_TAG=latest" >> $GITHUB_OUTPUT
            echo "DOCKER_TAG_MINOR=latest" >> $GITHUB_OUTPUT
            echo "DOCKER_TAG_MAJOR=latest" >> $GITHUB_OUTPUT
          fi
        shell: bash

      - name: Build and push Docker image (Vim)
        uses: docker/build-push-action@v6
        with:
          file: ./dockerfiles/vim
          tags: |
            ghcr.io/vim-denops/vim:latest
            ghcr.io/vim-denops/vim:${{ steps.vars.outputs.DOCKER_TAG }}
            ghcr.io/vim-denops/vim:${{ steps.vars.outputs.DOCKER_TAG_MINOR }}
            ghcr.io/vim-denops/vim:${{ steps.vars.outputs.DOCKER_TAG_MAJOR }}
          cache-from: |
            ghcr.io/vim-denops/vim/cache
            ghcr.io/vim-denops/vim
          cache-to: |
            type=registry,ref=ghcr.io/vim-denops/vim/cache,mode=max
          context: .
          platforms: |
            linux/amd64
            linux/arm64
          push: true

      - name: Build and push Docker image (Neovim)
        uses: docker/build-push-action@v6
        with:
          file: ./dockerfiles/neovim
          tags: |
            ghcr.io/vim-denops/neovim:latest
            ghcr.io/vim-denops/neovim:${{ steps.vars.outputs.DOCKER_TAG }}
            ghcr.io/vim-denops/neovim:${{ steps.vars.outputs.DOCKER_TAG_MINOR }}
            ghcr.io/vim-denops/neovim:${{ steps.vars.outputs.DOCKER_TAG_MAJOR }}
          cache-from: |
            ghcr.io/vim-denops/neovim/cache
            ghcr.io/vim-denops/neovim
          cache-to: |
            type=registry,ref=ghcr.io/vim-denops/neovim/cache,mode=max
          context: .
          platforms: |
            linux/amd64
            linux/arm64
          push: true