#
# deploy.yml
#
# Rebuild the bugfix-2.1.x branch whenever 'import-2.1.x' is pushed
#

name: Deploy

on:
  push:
    branches:
    - import-2.1.x

jobs:
  deploy:
    if: github.repository == 'MarlinFirmware/Configurations'
    runs-on: ubuntu-latest
    steps:
    - name: Check out
      uses: actions/checkout@v3

    # For each directory containing a changed config file, copy the .h files and build the code:
    - name: Deploy bugfix-2.1.x
      run: |
        IMPORT=import-2.1.x
        EXPORT=bugfix-2.1.x
        CEXA=config/examples
        CDEF=config/default
        BC=Configuration.h
        AC=Configuration_adv.h

        git config user.email "thinkyhead@users.noreply.github.com"
        git config user.name "Scott Lahteine"

        echo "- Initializing BASE branch..."

        # Copy to a temporary location
        TEMP=$( mktemp -d ) ; cp -R config $TEMP

        # Strip all #error lines
        IFS=$'\n'; set -f
        for fn in $( find $TEMP/config -type f -name "Configuration.h" ); do
          sed -i~ -e "20,30{/#error/d}" "$fn"
          rm "$fn~"
        done
        unset IFS; set +f

        # Create 'BASE' as a copy of 'init-repo' (README, LICENSE, etc.)
        git fetch origin init-repo >/dev/null
        git checkout origin/init-repo -b BASE >/dev/null || exit

        # Copy all config files into place
        echo "- Copying configs from fresh $IMPORT..."
        cp -R "$TEMP/config" . >/dev/null

        echo "- Deleting extras"

        # Delete anything that's not a Configuration file
        find config -type f \! -name "Conf*.h" -exec rm "{}" \;

        # Init Cartesian/SCARA/TPARA configurations to default
        echo "- Initializing configs to default state..."

        find "$CEXA" -name $BC -print0 \
          | while read -d $'\0' F ; do cp "$CDEF/$BC" "$F" >/dev/null ; done
        find "$CEXA" -name $AC -print0 \
          | while read -d $'\0' F ; do cp "$CDEF/$AC" "$F" >/dev/null ; done

        # Update the %VERSION% in the README.md file
        VERS=$( echo $EXPORT | sed 's/release-//' )
        eval "sed -E -i~ -e 's/%VERSION%/$VERS/g' README.md"
        rm -f README.md~

        # Commit the 'BASE', ready for customizations
        git add . >/dev/null && git commit --amend --no-edit >/dev/null

        # Create a new branch from 'BASE' for the final result
        echo "- Creating 'built-temp' branch..."
        git checkout -b built-temp >/dev/null || exit

        # Delete temporary branch
        git branch -D BASE 2>/dev/null

        echo "- Applying customizations..."
        cp -R "$TEMP/config" .
        find config -type f \! -name "Configuration*" -exec rm "{}" \;

        addpathlabels() {
          cd $CEXA
          find . -name "Conf*.h" -print0 | while read -d $'\0' fn ; do
            fldr=$(dirname "$fn" | sed "s/^\.\///")
            blank_line=$(awk '/^\s*$/ {print NR; exit}' "$fn")
            sed -i~ "${blank_line}i\\\n#define CONFIG_EXAMPLES_DIR \"$fldr\"" "$fn"
            rm -f "$fn~"
          done
          cd -
        }

        echo "- Applying path labels..."
        addpathlabels >/dev/null 2>&1

        git add . >/dev/null && git commit -m "Examples Customizations" >/dev/null

        echo "- Adding all the extras..."
        cp -R "$TEMP/config" .

        echo "- Applying path labels..."
        addpathlabels >/dev/null 2>&1

        git add . >/dev/null && git commit -m "Examples Extras" >/dev/null

        echo "- Replace $EXPORT branch"
        git fetch origin $EXPORT >/dev/null
        git checkout >/dev/null $EXPORT
        git reset --hard built-temp
        git push -f
        git branch -D built-temp

        rm -rf $TEMP