99 lines
2.1 KiB
Bash
99 lines
2.1 KiB
Bash
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#!/usr/bin/env bash
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IFS=""
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function print_menu() # selected_item, ...menu_items
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{
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local function_arguments=($@)
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local selected_item="$1"
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local menu_items=(${function_arguments[@]:1})
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local menu_size="${#menu_items[@]}"
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for (( i = 0; i < $menu_size; ++i ))
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do
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if [ "$i" = "$selected_item" ]
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then
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echo -e "\033[1;34m > \033[0m\e[1m${menu_items[i]}\033[0m"
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else
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echo " ${menu_items[i]}"
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fi
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done
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}
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function run_menu() # selected_item, ...menu_items
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{
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local function_arguments=($@)
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local selected_item="$1"
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local menu_items=(${function_arguments[@]:1})
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local menu_size="${#menu_items[@]}"
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local menu_limit=$((menu_size - 1))
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print_menu "$selected_item" "${menu_items[@]}"
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while read -rsn1 input
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do
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case "$input"
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in
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$'\x1B') # ESC ASCII code (https://dirask.com/posts/ASCII-Table-pJ3Y0j)
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read -rsn1 -t 0.1 input
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if [ "$input" = "[" ] # occurs before arrow code
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then
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read -rsn1 -t 0.1 input
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case "$input"
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in
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A) # Up Arrow
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if [ "$selected_item" -ge 1 ]
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then
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selected_item=$((selected_item - 1))
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echo -en "\033[s\033[${menu_size}A"
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print_menu "$selected_item" "${menu_items[@]}"
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echo -en "\033[u\033[0m"
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fi
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;;
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B) # Down Arrow
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if [ "$selected_item" -lt "$menu_limit" ]
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then
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selected_item=$((selected_item + 1))
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echo -en "\033[s\033[${menu_size}A"
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print_menu "$selected_item" "${menu_items[@]}"
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echo -en "\033[u\033[0m"
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fi
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;;
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esac
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fi
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read -rsn5 -t 0.1 # flushing stdin
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;;
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"") # Enter key
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return "$selected_item"
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;;
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esac
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done
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}
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# Usage example:
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selected_item=0
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menu_items=("Stephan Stanisic <s.stanisic@student.uu.nl>"
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"Stephan Stanisic <s.stanisic@ru.nl>"
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"Stephan Stanisic <stephan@stanisic.nl>"
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"Steph <steph+noreply@code.steph.tools>")
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run_menu "$selected_item" "${menu_items[@]}"
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menu_result="$?"
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echo
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sel=${menu_items[$menu_result]}
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name=$(echo $sel | cut -d \< -f 1 | head -c -2)
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email=$(echo $sel | cut -d \< -f 2 | head -c -2)
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echo "Setting username to $name and email to $email"
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git config user.email "$email"
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git config user.name "$name"
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