116 lines
2.5 KiB
Nix
116 lines
2.5 KiB
Nix
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{ pkgs, lib, config, specialArgs, options, modulesPath }:
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with pkgs;
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let
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git-identity = (writeShellApplication {
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name = "git-identity";
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text = ''
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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" "''${menu_items[@]}"
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echo -en "\033[u\033[0m"
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fi
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;;
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esac
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fi
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read -rsn5 -t 0.1 # flushing stdin
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;;
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"") # Enter key
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echo "enter key"
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return "''$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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'';
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});
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in
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{
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environment.systemPackages = [ git-identity ];
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}
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