name: Build release binaries (and publish them if this is a tag)

on:
  push:
    paths-ignore:
      - '*.md'

  workflow_dispatch:

env:
  CARGO_TERM_COLOR: always

jobs:
  binaries:
    strategy:
      fail-fast: false

      matrix:
        target:
          - x86_64-unknown-linux-musl
          - aarch64-unknown-linux-musl
          - x86_64-pc-windows-msvc
          - x86_64-apple-darwin
          - aarch64-apple-darwin

        include:
          - os: ubuntu-latest
            target: x86_64-unknown-linux-musl
            artifact_name: target/x86_64-unknown-linux-musl/release/imgurs
            release_name: x86_64-unknown-linux-musl
            cross: true
            strip: true
            compress: true
            cargo_flags: ""

          - os: ubuntu-latest
            target: aarch64-unknown-linux-musl
            artifact_name: target/aarch64-unknown-linux-musl/release/imgurs
            release_name: aarch64-unknown-linux-musl
            cross: true
            strip: false
            compress: true
            cargo_flags: ""

          - os: windows-latest
            target: x86_64-pc-windows-msvc
            artifact_name: target/x86_64-pc-windows-msvc/release/imgurs.exe
            release_name: x86_64-pc-windows-msvc.exe
            cross: false
            strip: true
            compress: true
            cargo_flags: ""

          - os: macos-latest
            target: x86_64-apple-darwin
            artifact_name: target/x86_64-apple-darwin/release/imgurs
            release_name: x86_64-apple-darwin
            cross: false
            strip: true
            compress: true
            cargo_flags: ""

          - os: macos-latest
            target: aarch64-apple-darwin
            artifact_name: target/aarch64-apple-darwin/release/imgurs
            release_name: aarch64-apple-darwin
            cross: false
            strip: true
            compress: true
            cargo_flags: ""

    name: ${{ matrix.os }} for ${{ matrix.target }}
    runs-on: ${{ matrix.os }}

    steps:
      - name: Checkout code
        uses: actions/checkout@v2

      - name: Setup Rust toolchain
        uses: actions-rs/toolchain@v1
        with:
          toolchain: stable
          target: ${{ matrix.target }}

      - name: cargo build
        uses: actions-rs/cargo@v1
        with:
          command: build
          args: --all --release --target=${{ matrix.target }} ${{ matrix.cargo_flags }}
          use-cross: ${{ matrix.cross }}

      - name: Compress binaries
        uses: svenstaro/upx-action@v2
        with:
          file: ${{ matrix.artifact_name }}
          args: --lzma
          strip: ${{ matrix.strip }}
        if: ${{ matrix.compress }}

      - name: Upload artifact
        uses: actions/upload-artifact@v3
        with:
          name: ${{ matrix.target }}
          path: ${{ matrix.artifact_name }}

      ###
      # Below this line, steps will only be ran if a tag was pushed.
      ###

      - name: Get tag name
        id: tag_name
        run: |
          echo ::set-output name=current_version::${GITHUB_REF#refs/tags/v}
        shell: bash
        if: startsWith(github.ref, 'refs/tags/v')

      - name: Get CHANGELOG.md entry
        id: changelog_reader
        uses: mindsers/changelog-reader-action@v1
        with:
          version: ${{ steps.tag_name.outputs.current_version }}
          path: ./CHANGELOG.md
        if: startsWith(github.ref, 'refs/tags/v')

      - name: Publish
        uses: svenstaro/upload-release-action@v2
        with:
          repo_token: ${{ secrets.GITHUB_TOKEN }}
          file: ${{ matrix.artifact_name }}
          tag: ${{ github.ref }}
          asset_name: imgurs-$tag-${{ matrix.release_name }}
          body: ${{ steps.changelog_reader.outputs.log_entry }}
        if: startsWith(github.ref, 'refs/tags/v')