LuaWatcom.yml

name: Lua for Watcom

on: push

jobs:
  Watcom:
    name: Build Lua with Open Watcom
    runs-on: ubuntu-latest

    steps:
    - name: Install Open Watcom 1.9
      uses: open-watcom/setup-watcom@v0
      with:
        version: "1.9"

    - name: Install Other Tools
      run: |
        sudo apt-get update
        sudo apt-get install -y gcc libfaketime libreadline-dev lua5.4 make mtools zip

    - uses: actions/checkout@v4
      with:
        submodules: recursive
        fetch-depth: 0

    - name: Check S256SUM.LUA Integrity
      run: |
        LUA=$(lua demo/core/S256SUM.LUA demo/core/S256SUM.LUA)
        GNU=$(sha256sum demo/core/S256SUM.LUA)
        echo "LUA=$LUA"
        echo "GNU=$GNU"
        if [ "$LUA" != "$GNU" ]; then exit 1; fi

    - name: Check MD5SUM.LUA Integrity
      run: |
        LUA=$(lua demo/xtra/MD5SUM.LUA demo/xtra/MD5SUM.LUA)
        GNU=$(md5sum demo/xtra/MD5SUM.LUA)
        echo "LUA=$LUA"
        echo "GNU=$GNU"
        if [ "$LUA" != "$GNU" ]; then exit 1; fi

    - name: Test libfaketime works
      run: |
        export FAKETIME=$(TZ=UTC0 git show --quiet --date='format-local:%Y-%m-%d %H:%M:%S' --format="%cd")
        export LD_PRELOAD=$(dpkg -L libfaketime | grep libfaketime.so.1)
        DATE=$(date +"%Y-%m-%d %H:%M:%S")
        echo "Date: $DATE"
        echo "Faketime: $FAKETIME"
        echo "ld-preload: $LD_PRELOAD"
        if [ "$FAKETIME" != "$DATE" ]; then
          exit 1
        fi

    - name: Patch Lua Source Code for Open Watcom
      run: |
        patch -p0 -i lua.pat

    - name: Check GCC can build Lua after patches
      run: |
        cd lua
        make -j`nproc`
        cd ..

    - name: Build Lua for DOS 16-bit
      env:
        INCLUDE: "${{ env.WATCOM }}/h"
      run: |
        wmake -f wm_dos16.mak

    - name: Build Lua for DOS4GW 32-bit Extender
      env:
        INCLUDE: "${{ env.WATCOM }}/h"
      run: |
        wmake -f wm_dos4g.mak

    - name: Build Lua for Linux
      env:
        INCLUDE: "${{ env.WATCOM }}/lh"
      run: |
        wmake -f wm_linux.mak

    - name: Build Lua for OS/2 16-bit
      env:
        INCLUDE: "${{ env.WATCOM }}/h/os2:${{ env.WATCOM }}/h"
      run: |
        wmake -f wm_os216.mak

    - name: Build Lua for OS/2 32-bit
      env:
        INCLUDE: "${{ env.WATCOM }}/h/os2:${{ env.WATCOM }}/h"
      run: |
        wmake -f wm_os232.mak

    - name: Build Lua for Windows 95
      env:
        INCLUDE: "${{ env.WATCOM }}/h/nt:${{ env.WATCOM }}/h"
      run: |
        wmake -f wm_winnt.mak

    - name: Copy DOS4GW Binary
      run: |
        cp $WATCOM/binw/dos4gw.exe dist/bin/DOS4GW.EXE

    - name: Ensure Lua Scripts Have CR/LF Line Endings
      run: |
        lua demo/xtra/DOSFREN.LUA demo/core/*.LUA demo/xtra/*.LUA

    - name: Set constant time information on PE header
      run: |
        lua demo/util/PE95TIME.LUA dist/bin/LUANT.EXE

    - name: Set modification time on scripts to their respective commit
      run: |
        cd demo
        git ls-files -z | xargs -0 -I{} bash -c 'touch --date="$(git log -1 --pretty=format:%cI -- "$0")" "$0"' {}
        cd ..

    - name: Remove UNIX executable permission from non-UNIX executable files
      run: |
        chmod -x dist/bin/*.EXE

    - name: Set modification time on built binaries to the latest commit
      run: |
        touch --date="$(git log -1 --pretty=format:%cI)" dist/bin/*.ELF dist/bin/*.EXE

    - name: Create Binaries Zip
      run: |
        files=$(find dist/bin/*.EXE demo/core/*.LUA demo/xtra/*.LUA ! -executable | sort | xargs)
        zip -j9 --DOS-names dist/LuaExe.zip $files
        exe=$(find dist/bin/*.ELF demo/core/*.LUA demo/xtra/*.LUA -executable | sort | xargs)
        zip -j9 -X dist/LuaExe.zip $exe
        name="dist/WLE$(sha256sum dist/LuaExe.zip | awk '{print $1}' | cut -c1-5).zip"
        mv dist/LuaExe.zip $name
        touch --date="$(git log -1 --pretty=format:%cI)" $name

    - name: UPX Binary Compression
      uses: crazy-max/ghaction-upx@v3
      with:
        version: latest
        args: -9 --8086
        files: |
          dist/bin/LUA16.EXE
          dist/bin/LUA4G.EXE
          dist/bin/LUANT.EXE

    - name: Set modification time on UPX compressed binaries to the latest commit
      run: |
        touch --date="$(git log -1 --pretty=format:%cI)" dist/bin/*.ELF dist/bin/*.EXE          

    - name: Create 160k 16-bit DOS Floppy Diskette Image
      run: |
        export FAKETIME=$(TZ=UTC0 git show --quiet --date='format-local:%Y-%m-%d %H:%M:%S' --format="%cd")
        export LD_PRELOAD=$(dpkg -L libfaketime | grep libfaketime.so.1)
        label="LUA DOS"
        serial="0x$(echo "$label$FAKETIME" | sha256sum | cut -c1-8)"
        files=$(find dist/bin/LUA16.EXE demo/core/*.LUA | sort | xargs)
        echo "Faketime: $FAKETIME"
        echo "Files: $files"
        echo "Label: $label"
        echo "Serial: $serial"
        mformat -C -i dist/Lua160k.ima -v "$label" -f 160 -N $serial
        mcopy -mi dist/Lua160k.ima $files ::

    - name: Create 1.4M Multi-Platform Floppy Diskette Image
      run: |
        export FAKETIME=$(TZ=UTC0 git show --quiet --date='format-local:%Y-%m-%d %H:%M:%S' --format="%cd")
        export LD_PRELOAD=$(dpkg -L libfaketime | grep libfaketime.so.1)
        label="LUA MULTIOS"
        serial="0x$(echo "$label$FAKETIME" | sha256sum | cut -c1-8)"
        files=$(find dist/bin/*.ELF dist/bin/*.EXE demo/core/*.LUA demo/xtra/*.LUA | sort | xargs)
        echo "Faketime: $FAKETIME"
        echo "Files: $files"
        echo "Label: $label"
        echo "Serial: $serial"
        mformat -C -i dist/LuaMulti.ima -v "$label" -f 1440 -N $serial
        mcopy -mi dist/LuaMulti.ima $files ::

    - name: Zero-out Unallocated Clusters
      run: |
        lua demo/util/FATSTAT.LUA -z dist/*ima

    - name: Create Floppy Disk Images Zip
      run: |
        files=$(find dist/*ima | sort | xargs)
        touch --date="$(git log -1 --pretty=format:%cI)" $files
        zip -j9 --DOS-names dist/LuaIma.zip $files
        name="dist/WLI$(sha256sum dist/LuaIma.zip | awk '{print $1}' | cut -c1-5).zip"
        mv dist/LuaIma.zip $name
        touch --date="$(git log -1 --pretty=format:%cI)" $name

    - name: Upload Artifacts
      uses: actions/upload-artifact@v4
      with:
        name: 'LuaDist'
        path: |
          dist/WLE*.zip
          dist/WLI*.zip
        compression-level: 0

  Draft:
    name: Draft Release
    needs: Watcom
    runs-on: ubuntu-latest
    if: startsWith(github.ref, 'refs/tags/202')

    permissions:
      contents: write
      actions: read

    steps:
      - uses: actions/checkout@v4

      - name: Download Artifacts
        uses: actions/download-artifact@v4

      - name: Generate Release Notes
        run: |
          input_date="$TAG_NAME"
          day=$(date -d "$input_date" '+%-d')
          month=$(date -d "$input_date" '+%B')
          year=$(date -d "$input_date" '+%Y')
          
          if [[ $day -eq 11 || $day -eq 12 || $day -eq 13 ]]; then
            suffix="th"
          else
            case $((day % 10)) in
              1) suffix="st" ;;
              2) suffix="nd" ;;
              3) suffix="rd" ;;
              *) suffix="th" ;;
            esac
          fi

          formatted_date="${day}${suffix} of ${month} ${year}"
          sed -i "s/{{DATE}}/${formatted_date}/g" .github/workflows/notes.md
          name="$(ls LuaDist/WLE*.zip | xargs -n 1 basename)"
          sed -i "s/{{WLE}}/${name}/g" .github/workflows/notes.md
          name="$(ls LuaDist/WLI*.zip | xargs -n 1 basename)"
          sed -i "s/{{WLI}}/${name}/g" .github/workflows/notes.md

      - name: Create Draft Release
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          TAG_NAME="${GITHUB_REF#refs/tags/}" # Extract the tag name
          gh release create "$TAG_NAME" \
            --draft \
            --title "$TAG_NAME" \
            --notes-file .github/workflows/notes.md \
            "LuaDist/*.zip"