Migrate features and LTO from rules.mk to data driven

[zvecr]

Description

Migrations preparing for post #22891 where these rules.mk files are now redundant.

Script used

for rule in $(find keyboards/ -name rules.mk | grep -v keymaps); do
    # ignore blank lines, comments -> count lines that are not feature enables
    lines=$(cat $rule | grep . | grep -Ev "^#.*" | grep -v _ENABLE | wc -l)
    enables=$(grep -c _ENABLE $rule)
    lto=$(grep -c LTO_ENABLE $rule)
    if [[ $lines == 0 && $lto == 1 && $enables > 0 ]]; then
        features=$(cat $rule | grep _ENABLE | grep -v LTO | grep -Ev "^#.*" | grep yes | sed 's/_ENABLE.*//' | tr '[:upper:]' '[:lower:]')
        if [[ ! -z "$features" ]]; then
            info=$(dirname -- $rule)/info.json
            km_json=$(dirname -- $rule)/keyboard.json
            parent_rule=$(dirname -- $rule)/../rules.mk
            if [[ -f $info && ! -f $parent_rule ]]; then

                # guess indentation
                IND="  "
                if grep -q '    "matrix_pins"' $info; then
                    IND="    "
                fi
                if grep -q '    "usb"' $info; then
                    IND="    "
                fi

                declare -A updates=( ["bootmagic"]="false" ["command"]="false" ["console"]="false" ["extrakey"]="false" ["mousekey"]="false" ["nkro"]="false")

                for feature in $features; do
                    updates[$feature]='true'
                done

                # manually handle space saving options
                if [[ ! -z "$(cat $rule | grep '^GRAVE_ESC_ENABLE' | grep 'no')" ]]; then
                    updates["grave_esc"]='false'
                fi
                if [[ ! -z "$(cat $rule | grep '^MAGIC_ENABLE' | grep 'no')" ]]; then
                    updates["magic"]='false'
                fi
                if [[ ! -z "$(cat $rule | grep '^SPACE_CADET_ENABLE' | grep 'no')" ]]; then
                    updates["space_cadet"]='false'
                fi

                keys=( $( echo ${!updates[@]} | tr ' ' $'\n' | sort ) )

                if grep LTO_ENABLE $rule | grep -q yes; then
                temp="$IND\"build\": {\n"
                temp+="$IND$IND\"lto\": true\n"
                temp+="$IND},\n"
                else
                temp=""
                fi
                temp+="$IND\"features\": {\n"
                for key in ${keys[@]}; do
                    value="${updates[$key]}"
                    temp+="$IND$IND\"$key\": $value,\n"
                done
                temp="${temp::-3}\n"
                temp+="$IND},"

                if grep -q '"features"' $info; then
                    echo "$info needs manual merge - feature"
                elif grep -q '"build"' $info; then
                    echo "$info needs manual merge - build"
                elif grep -q '"matrix_pins"' $info; then
                    git mv -f $info $km_json
                    sed -i "/\"matrix_pins\"/i\\${temp}" $km_json
                    git add $km_json

                    git rm $rule
                elif grep -q '"usb"' $info; then
                    git mv -f $info $km_json
                    sed -i "/\"usb\"/i\\${temp}" $km_json
                    git add $km_json

                    git rm $rule
                else
                    echo "$info needs manual moving"
                fi
            fi
        fi
    fi
done

Note: injected location isn't always perfect, but hopefully soon we can mass format the entire repo.

Types of Changes

• Core
• Bugfix
• New feature
• Enhancement/optimization
• Keyboard (addition or update)
• Keymap/layout/userspace (addition or update)
• Documentation

Issues Fixed or Closed by This PR

Checklist

• My code follows the code style of this project: C, Python
• I have read the PR Checklist document and have made the appropriate changes.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.
• I have tested the changes and verified that they work and don't break anything (as well as I can manage).