name: 'Setup Common Lisp'

inputs:
  roswell-version:
    description: 'Roswell version to install. If not specified, the latest working version will be used; if "latest", the latest version is used'
    required: false
    default: v21.10.14.111
  asdf-system:
    description: 'ASDF system to install'
    required: false
  asdf-version:
    description: 'ASDF version to install. If not specified, the latest working version will be used; if "latest", the latest version is used'
    required: false
    default: 3.3.5.3
  qlot-version:
    description: 'Qlot version to install. If not specified, the latest working version will be used; if "latest", the latest version is used'
    required: false
    default: 0.11.5
  qlfile-template:
    description: "Djula template for qlfile. All environment variables are available in it's context"
    required: false

runs:
  using: composite
  steps:
    # Using branch v2.14.0
    - uses: msys2/setup-msys2@d40200dc2db4c351366b048a9565ad82919e1c24
      with:
        # Roswell was added to msys2 just _recently_, so the following makes
        # sure packages metadata is up to date.  Otherwise...
        #
        #    $ pacman -S mingw-w64-x86_64-roswell
        #    error: target not found: mingw-w64-x86_64-roswell
        #    Error: Process completed with exit code 1
        update: true
        # Msys2 has its own PATH, and the following setting enables standard
        # PATH manipulation expressions like the one shown below, to succeed:
        #
        #    $ echo /usr/local/bin >> $GITHUB_PATH
        path-type: inherit
        platform-check-severity: warn
    - name: Create lispsh
      shell: bash
      run: |
        # All the steps below, should work without problems on Linux, Mac OS,
        # and Windows, provided that they are run with the "right" shell
        # parameter, i.e. bash for Linux and Mac OS, and msys2 for Windows.
        #
        # Unfortunately, composite actions do not support getting the shell
        # parameter injected from the parent workflow (read more about this
        # here: https://github.com/actions/runner/issues/835), so the
        # workaround I came up with is:
        #
        # 1. Symlink bash/msys2 to a known location, i.e. lispsh
        # 2. Use lispsh as shell parameter
        #
        # It's not ideal, but the alternative is to duplicate most of the steps
        # below, and have some of them with `shell: bash`, and others with
        # `shell: msys2 {0}`.
        if [[ "$RUNNER_OS" == "Windows" ]]; then
            powershell New-Item -ItemType SymbolicLink \
              -Path  "D:/a/_temp/setup-msys2/lispsh.cmd" \
              -Target "D:/a/_temp/setup-msys2/msys2.cmd"
        else
            sudo ln -sf $(which bash) /usr/local/bin/lispsh
        fi
    - name: Set up Environment
      shell: bash
      run: |
        echo ::group::Set up Environment
        if [[ "$RUNNER_OS" == "Windows" ]]; then
            # ROSWELL_INSTALL_DIR defaults to /usr/local/bin which
            # unfortunately is not part of PATH on Windows; one could be
            # tempted to patch things up like this:
            #
            #     echo /usr/local/bin >> $GITHUB_PATH
            #
            # However, if the absolute Windows path that /usr/local/bin
            # actually refers to, contains any white space in it, you will
            # inevitably bump into the following error:
            #
            #     'C:\Program' is not recognized as an internal or external command,
            #       operable program or batch file.
            #       Install Script for sbcl-bin...
            #       'C:\Program' is not recognized as an internal or external command,
            #       operable program or batch file.
            #       Unhandled UIOP/RUN-PROGRAM:SUBPROCESS-ERROR in thread #<SB-THREAD:THREAD "main thread" RUNNING
            #                                                                {10057000A3}>:
            #         Subprocess #<UIOP/LAUNCH-PROGRAM::PROCESS-INFO {100506B0E3}>
            #        with command "C:\\Program Files\\Git\\usr\\local\\bin\\ros.exe config set setup.time 3843610170"
            #        exited with error code 1
            #
            #       Backtrace for: #<SB-THREAD:THREAD "main thread" RUNNING {10057000A3}>
            #
            # The work-around?  Install Roswell in a different location, whose
            # absolute path we are 100% positive won't contain any white
            # spaces!
            mkdir -p /d/a/_temp/roswell
            echo ROSWELL_INSTALL_DIR=/d/a/_temp/roswell >> $GITHUB_ENV
            echo /d/a/_temp/roswell >> $GITHUB_PATH

            # Roswell internally checks for the MSYSCON env varible to be
            # defined, and when not there, it would go and install msys2 (i.e.
            # `ros install msys2+`) and rely on the `bash` bonary that comes
            # with that installation.
            #
            # All good except that something is not quite working as it should,
            # given that every time Roswell tries to run a `bash` command, it
            # would spit out the following:
            #
            #     Unhandled SIMPLE-ERROR in thread #<SB-THREAD:THREAD "main thread" RUNNING
            #                                         {1005700003}>:
            #       Couldn't execute "C:\\Users\\runneradmin\\.roswell\\impls\\x86-64\\windows\\msys2\\NIL\\usr\\bin\\bash": The system cannot find the file specified.
            #
            #     Backtrace for: #<SB-THREAD:THREAD "main thread" RUNNING {1005700003}>
            #     0: (SB-DEBUG::DEBUGGER-DISABLED-HOOK #<SIMPLE-ERROR "Couldn't execute ~S: ~A" {1004EEA623}> #<unused argument> :QUIT T)
            #     1: (SB-DEBUG::RUN-HOOK SB-EXT:*INVOKE-DEBUGGER-HOOK* #<SIMPLE-ERROR "Couldn't execute ~S: ~A" {1004EEA623}>)
            #     2: (INVOKE-DEBUGGER #<SIMPLE-ERROR "Couldn't execute ~S: ~A" {1004EEA623}>)
            #     3: (ERROR "Couldn't execute ~S: ~A" "C:\\Users\\runneradmin\\.roswell\\impls\\x86-64\\windows\\msys2\\NIL\\usr\\bin\\bash" "The system cannot find the file specified.")
            #     4: (SB-EXT:RUN-PROGRAM "C:\\Users\\runneradmin\\.roswell\\impls\\x86-64\\windows\\msys2\\NIL\\usr\\bin\\bash" ("-lc" "cd \"C:\\\\Users\\\\runneradmin\\\\.roswell\\\\src\\\\asdf-3.3.5.3\\\\\";pwd") :ENV NIL :ENVIRONMENT NIL :WAIT NIL :SEARCH T :INPUT NIL :IF-INPUT-DOES-NOT-EXIST :ERROR :OUTPUT :STREAM :IF-OUTPUT-EXISTS :APPEND :ERROR NIL :IF-ERROR-EXISTS :APPEND :STATUS-HOOK NIL :EXTERNAL-FORMAT :UTF-8 :DIRECTORY NIL :PRESERVE-FDS NIL :ESCAPE-ARGUMENTS T :WINDOW NIL)
            #     5: (UIOP/LAUNCH-PROGRAM:LAUNCH-PROGRAM ("C:\\Users\\runneradmin\\.roswell\\impls\\x86-64\\windows\\msys2\\NIL\\usr\\bin\\bash" "-lc" "cd \"C:\\\\Users\\\\runneradmin\\\\.roswell\\\\src\\\\asdf-3.3.5.3\\\\\";pwd") :INPUT NIL :OUTPUT :STREAM :ERROR-OUTPUT NIL :OUTPUT :STRING)
            #     6: ((LAMBDA (UIOP/RUN-PROGRAM::REDUCED-INPUT UIOP/RUN-PROGRAM::INPUT-ACTIVITY) :IN UIOP/RUN-PROGRAM::%USE-LAUNCH-PROGRAM) NIL NIL)
            #     7: (UIOP/RUN-PROGRAM::%USE-LAUNCH-PROGRAM ("C:\\Users\\runneradmin\\.roswell\\impls\\x86-64\\windows\\msys2\\NIL\\usr\\bin\\bash" "-lc" "cd \"C:\\\\Users\\\\runneradmin\\\\.roswell\\\\src\\\\asdf-3.3.5.3\\\\\";pwd") :OUTPUT :STRING)
            #     8: (MINGW-NAMESTRING #P"C:/Users/runneradmin/.roswell/src/asdf-3.3.5.3/")
            #     9: (ROSWELL.INSTALL.ASDF::ASDF-INSTALL (:TARGET "asdf" :VERSION "3.3.5.3" :VERSION-NOT-SPECIFIED 0 :ARGV NIL))
            #
            # The NIL over there, seems to be the result of evaluating the
            # following form:
            #
            #     (config "msys2.version")
            #
            # Now, I am not sure what's going on with that, but since
            # we got msys2 installed already, I figured it would be easier to
            # tell Roswell about it and ignore all the other installation
            # steps.
            echo MSYSCON=Stop-Roswell-From-Installing-Msys2 >> $GITHUB_ENV

            # Also, for whatever reason Roswell seems to be installing
            # ASDF-system-specific scripts inside .roswell/lisp/quicklisp/bin
            # and not .roswell/bin, so if we want to enable users of this
            # action to directly invoke these scripts, we need to add
            # .roswell/lisp/quicklisp/bin to PATH.
            echo $HOME/.roswell/lisp/quicklisp/bin >> $GITHUB_PATH
        fi
        echo $HOME/.roswell/bin >> $GITHUB_PATH
        echo ::endgroup::
    - name: Current Env
      shell: bash
      run: |
        echo ::group::Environment
        echo "Current dir:"
        pwd

        echo "Environment Variables:"
        env | sort -u
        echo ::endgroup::
    - name: Install Roswell
      shell: lispsh {0}
      run: |
        echo ::group::Installing Roswell dependencies
        if [[ "$RUNNER_OS" == "Linux" ]]; then
            sudo apt-get update
            sudo apt-get -y install git build-essential automake libcurl4-openssl-dev
        fi
        if [[ "$RUNNER_OS" == "macOS" ]]; then
            brew install automake autoconf curl
        fi
        if [[ "$RUNNER_OS" == "Windows" ]]; then
            # Installing ASDF requires `make`, so let's make sure it's
            # available
            msys2.cmd -c "pacman --noconfirm -S --needed --overwrite '*' make"
        fi
        echo ::endgroup::

        if [[ "${{ inputs.roswell-version }}" != "latest" ]]; then
            echo ::group::Installing Roswell ${{ inputs.roswell-version }}
            curl -L https://raw.githubusercontent.com/roswell/roswell/${{ inputs.roswell-version }}/scripts/install-for-ci.sh | sh -x
        else
            echo ::group::Installing latest Roswell
            curl -L https://raw.githubusercontent.com/roswell/roswell/master/scripts/install-for-ci.sh | sh -x
        fi

        echo ::endgroup::
    - name: Upgrade Quicklisp dists
      shell: lispsh {0}
      run: |
        # The parent workflow might have caching enabled for Roswell and all
        # the other Lisp files in general, so it's better to tell Quicklisp
        # to update all its dists.
        ros -e "(ql:update-all-dists :prompt nil)"
    - name: Install Quicklisp patch for package-inferred systems
      shell: lispsh {0}
      run: |
        git clone \
            --no-tags \
            --single-branch \
            --depth=1  \
            https://github.com/40ants/quicklisp-client-fix \
            ~/.quicklisp-client-fix
 
        cat >> ~/.roswell/init.lisp <<EOF
        (let ((fix-filename (make-pathname :directory '(:absolute :home ".quicklisp-client-fix")
                                           :name "quicklisp-fix"
                                           :type "lisp")))
          (cond
            ((probe-file fix-filename)
             (format t "Loading quicklisp fix.~%")
             (load fix-filename))
            (t
             (format t "Quicklisp fix was not found at ~S.~%" fix-filename))))
        EOF
    - name: Upgrade ASDF to the Latest Version
      shell: lispsh {0}
      run: |
        if [[ "${{ inputs.asdf-version }}" != "latest" ]]; then
            echo ::group::Installing ASDF ${{ inputs.asdf-version }}
            ros install asdf/${{ inputs.asdf-version }}
        else
            echo ::group::Installing latest ASDF
            ros install asdf
        fi
        echo ::endgroup::
    - name: Install Qlot
      shell: lispsh {0}
      run: |
        if [[ "${{ inputs.qlot-version }}" != "latest" ]]; then
            echo ::group::Installing Qlot ${{ inputs.qlot-version }}
            ros install fukamachi/qlot/${{ inputs.qlot-version }}
        else
            echo ::group::Installing latest Qlot
            ros install fukamachi/qlot
        fi
        echo .qlot/bin >> $GITHUB_PATH
        echo ::endgroup::
    - name: Create Qlot Environment
      shell: lispsh {0}
      run: |
        echo ::group::Create Qlot Environment

        if [[ -n "${QLFILE_TEMPLATE}" ]]; then
            echo "${QLFILE_TEMPLATE}" | $GITHUB_ACTION_PATH/templater.ros > qlfile
            rm -f qlfile.lock
        fi

        if [[ -e qlfile ]]; then
            echo 'Here is content of qlfile:'
            echo '==============='
            cat qlfile
            echo '==============='
            echo ''
        else
            echo 'There is no qlfile. Creating an empty one.'
            touch qlfile
        fi

        qlot install
        echo ::endgroup::
      env:
        QLFILE_TEMPLATE: ${{ inputs.qlfile-template }}

    # This step will install system and
    # all possible roswell scripts, if the system
    # has them in the roswell/ subdirectory:
    - name: Install ASDF System
      shell: lispsh {0}
      run: |
        echo ::group::Install ASDF System
        if [[ -n "${{ inputs.asdf-system }}" ]]; then
            qlot exec ros install ${{ inputs.asdf-system }}
        else
            echo "ASDF system wasn't provided."
        fi
        echo ::endgroup::