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69 lines
2.0 KiB
69 lines
2.0 KiB
2 years ago
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#!/bin/sh
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# This script displays a menu to install recommended free software.
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. colors
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# Catch Ctrl-C and exit
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handle_ctrl_c() {
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trap 'echo exiting; exit' INT
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}
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handle_ctrl_c
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# Calculate the length of a string
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strlen() {
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echo -n "$1" | wc -c
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}
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# Calculate maximum of two numbers
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max() {
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[ "$1" -gt "$2" ] && echo "$1" || echo "$2"
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}
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script_dir="$(dirname "$0")"
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while true; do
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max_name_length=0
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max_status_length=0
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formatted_items=""
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# First pass: calculate maximum lengths
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for d in $(find "$script_dir" -maxdepth 1 -mindepth 1 -type d); do
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name=$(basename "$d")
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status=$(command -v "${name}-status" >/dev/null 2>&1 && eval "${name}-status" || echo "coming soon")
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# Update maximum lengths
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max_name_length=$(max "$max_name_length" "$(strlen "$name")")
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max_status_length=$(max "$max_status_length" "$(strlen "$status")")
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done
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# Second pass: create menu items using the maximum lengths
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for d in $(find "$script_dir" -maxdepth 1 -mindepth 1 -type d); do
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name=$(basename "$d")
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status=$(command -v "${name}-status" >/dev/null 2>&1 && eval "${name}-status" || echo "coming soon")
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menu_command="${name}-menu"
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# Calculate padding for the name and status
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name_padding=$(( max_name_length - $(strlen "$name") ))
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status_length=$(strlen "$status")
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total_padding=$(( max_status_length - status_length ))
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left_padding=$(( total_padding / 2 ))
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right_padding=$(( total_padding - left_padding ))
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# Build the formatted item string piece by piece
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formatted_item="${name}$(printf "%${name_padding}s")"
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formatted_item="${formatted_item}$(printf "%${left_padding}s")"
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formatted_item="${formatted_item}${status}"
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formatted_item="${formatted_item}$(printf "%${right_padding}s")"
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# Add formatted item to the list of menu items
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formatted_items="${formatted_items} \"${formatted_item}%${menu_command}\""
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done
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# Add Exit command
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formatted_items="${formatted_items} \"Exit%kill -2 $$\""
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# Display the menu
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eval "menu \"Install Menu:\" $formatted_items"
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done
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