Makefile menu

menu.sh

# menu.sh
#!/bin/bash

# Arrays for storing targets and descriptions
declare -a target_order
declare -a description_order

# Parse the Makefile
max_len=0
index=0
while IFS= read -r line; do
    if [[ ${line} =~ ^([a-zA-Z0-9_-]+):.*#\s*(.*)$ ]]; then
        target="${BASH_REMATCH[1]}"
        description="${BASH_REMATCH[2]}"
        target_order[index]="${target}"
        description_order[index]="${description}"
        len=${#description}
        if (( len > max_len )); then
            max_len=$len
        fi
        index=$((index+1))
    fi
done < Makefile

menu_items=()
for index in "${!target_order[@]}"; do
    echo "Target: ${target_order[index]}"
    echo "Description: ${description_order[index]}"
    menu_items+=("${target_order[index]}" "${description_order[index]}")
done



# Show the dialog menu
height=$(tput lines)
width=$(tput cols)
CHOICE=$(dialog --clear \
                --backtitle "Command Menu" \
                --title "Choose a Target" \
                --menu "Select an option:" $((height - 8)) $((width - 8)) $((height - 15)) \
                "${menu_items[@]}" \
                2>&1 >/dev/tty)

clear

# Run the selected make target
if [[ -n "${CHOICE}" ]]; then
    make "${CHOICE}"
    # Wait for the user to press a key
    read -n 1 -s -r -p "Press any key to continue"
    # reshow the menu
    make menu
else
    echo "No selection made or cancelled."
fi

# End of script