# TRIGGER: Runs on any push to binaries-linux-x64-stack branch. Not normally used.
# ACTION: Builds, unit-tests and saves mac x64 static binaries with stack and the default ghc. May not work,
# the cabal-based binaries-linux-x64.yml is normally used instead.

name: binaries-linux-x64-stack
on:
  push:
    branches: [ binaries-linux-x64-stack ]
  workflow_dispatch:
jobs:
  build:
    runs-on: ubuntu-latest
    container: alpine:latest
    steps:

    - name: Check out
      uses: actions/checkout@v4
      # have to fetch everything for git describe for --version
      with:
        fetch-depth: 0  

    # things to be cached/restored:

    - name: process cache of stack global package db
      id:   stack-global
      uses: actions/cache@v4
      with:
        path: ~/.stack
        key: ${{ runner.os }}-stack-global-20240417-${{ hashFiles('**.yaml') }}
        restore-keys: |
             ${{ runner.os }}-stack-global-20240417

    - name: process cache of stack-installed programs in ~/.local/bin
      id:   stack-programs
      uses: actions/cache@v4
      with:
        path: ~/.local/bin
        key: ${{ runner.os }}-stack-programs-20240417-${{ hashFiles('**.yaml') }}
        restore-keys: |
             ${{ runner.os }}-stack-programs-20240417

    - name: process cache of .stack-work
      uses: actions/cache@v4
      with:
        path: .stack-work
        key: ${{ runner.os }}-stack-work-20240417-${{ hashFiles('**.yaml') }}
        restore-keys: |
             ${{ runner.os }}-stack-work-20240417

    - name: process cache of hledger-lib/.stack-work
      uses: actions/cache@v4
      with:
        path: hledger-lib/.stack-work
        key: ${{ runner.os }}-hledger-lib-stack-work-20240417-${{ hashFiles('hledger-lib/package.yaml') }}
        restore-keys: |
             ${{ runner.os }}-hledger-lib-stack-work-20240417

    - name: process cache of hledger/.stack-work
      uses: actions/cache@v4
      with:
        path: hledger/.stack-work
        key: ${{ runner.os }}-hledger-stack-work-20240417-${{ hashFiles('hledger/package.yaml') }}
        restore-keys: |
             ${{ runner.os }}-hledger-stack-work-20240417

    - name: process cache of hledger-ui/.stack-work
      uses: actions/cache@v4
      with:
        path: hledger-ui/.stack-work
        key: ${{ runner.os }}-hledger-ui-stack-work-20240417-${{ hashFiles('hledger-ui/package.yaml') }}
        restore-keys: |
             ${{ runner.os }}-hledger-ui-stack-work-20240417

    - name: process cache of hledger-web/.stack-work
      uses: actions/cache@v4
      with:
        path: hledger-web/.stack-work
        key: ${{ runner.os }}-hledger-web-stack-work-20240417-${{ hashFiles('hledger-web/package.yaml') }}
        restore-keys: |
             ${{ runner.os }}-hledger-web-stack-work-20240417

    # actions:

    - name: Install general tools with system package manager
      run: |
        apk --no-cache add binutils-gold curl gcc g++ git gmp-dev ncurses-dev ncurses-static libffi-dev make xz tar perl zlib-dev zlib-static

    # needed by stack, at least; do it here in case it matters for ghcup too
    - name: Fix $HOME for following steps (workaround from https://github.com/actions/runner/issues/863)
      run: |
        apk --no-cache add sudo
        echo "setting HOME=/root"
        echo HOME=/root | sudo tee -a $GITHUB_ENV

    - name: Add .ghcup/bin to PATH for following steps
      run: |
        echo "$HOME/.ghcup/bin/" >> $GITHUB_PATH

    - name: Install haskell tools with ghcup if needed
      run: |
        if [[ ! -x ~/.ghcup/bin/ghcup ]]; then mkdir -p ~/.ghcup/bin && curl https://downloads.haskell.org/~ghcup/x86_64-linux-ghcup > ~/.ghcup/bin/ghcup && chmod +x ~/.ghcup/bin/ghcup; fi; printf "ghcup: "; ghcup --version
        if [[ ! -x ~/.ghcup/bin/stack ]]; then ~/.ghcup/bin/ghcup install stack 3.1.1   && ~/.ghcup/bin/ghcup set stack 3.1.1;   fi; printf "stack: "; stack --version

    # --allow-different-user is needed because of #863 above (or because stack didn't notice we're in a docker container)
    - name: Install GHC with stack
      run: |
        stack --allow-different-user setup --install-ghc

    - name: List dep versions
      run: |
        $stack exec -- ghc-pkg list

    - name: Build with stack and run unit tests
      run: |
        stack --allow-different-user build --test --ghc-options='-optl-static -fPIC' --ghc-options=-Werror hledger      # || (echo "ERROR: building hledger failed"; false)
        stack --allow-different-user build --test --ghc-options='-optl-static -fPIC' --ghc-options=-Werror hledger-ui   # || (echo "ERROR: building hledger-ui failed"; false)
        stack --allow-different-user build --test --ghc-options='-optl-static -fPIC' --ghc-options=-Werror hledger-web  # || (echo "ERROR: building hledger-web failed"; false)

    - name: Gather binaries
      run: |
        mkdir tmp
        cp hledger/shell-completion/hledger-completion.bash hledger/embeddedfiles/*.{1,info} tmp
        cd tmp
        cp ~/.local/bin/hledger .
        cp ~/.local/bin/hledger-ui .
        cp ~/.local/bin/hledger-web .
        strip hledger
        strip hledger-ui
        strip hledger-web
        tar cvf hledger-mac-x64.tar hledger hledger-ui hledger-web hledger-completion.bash

    # upload-artifact loses execute permissions, so we tar the binaries to preserve them.
    # github UI always zips artifacts when they are downloaded, so we don't bother compressing the tar.
    # Unfortunately it means users must both unzip and untar.
    - name: Upload binaries
      uses: actions/upload-artifact@v4
      with:
        name: hledger-linux-x64
        path: tmp/hledger-linux-x64.tar