feat: add sudo privilege check at script startup for all shell variants

Author: fernand3z

scripts/update_packages.bbsh

@@ -1,5 +1,12 @@
 #!/bin/busybox sh
 
+# Request sudo privileges upfront
+echo "Requesting administrator privileges..."
+sudo -v || { echo "Failed to obtain administrator privileges. Exiting."; exit 1; }
+
+# Keep sudo timestamp updated in the background
+(while true; do sudo -n true; sleep 60; kill -0 "$$" || exit; done) 2>/dev/null &
+
 # Use busybox built-ins where possible
 alias echo='busybox echo'
 alias grep='busybox grep'

scripts/update_packages.csh

@@ -1,5 +1,21 @@
 #!/bin/csh -f
 
+# Request sudo privileges upfront
+echo "Requesting administrator privileges..."
+sudo -v
+if ($status != 0) then
+    echo "Failed to obtain administrator privileges. Exiting."
+    exit 1
+endif
+
+# Keep sudo timestamp updated in the background
+( while (1)
+    sudo -n true
+    sleep 60
+    kill -0 $$ >& /dev/null
+    if ($status != 0) exit
+end ) >& /dev/null &
+
 # Error handling function
 alias handle_error 'echo "Error updating $1: $2" > /dev/stderr'
 

scripts/update_packages.dash

@@ -1,5 +1,12 @@
 #!/bin/dash
 
+# Request sudo privileges upfront
+echo "Requesting administrator privileges..."
+sudo -v || { echo "Failed to obtain administrator privileges. Exiting."; exit 1; }
+
+# Keep sudo timestamp updated in the background
+(while true; do sudo -n true; sleep 60; kill -0 "$$" || exit; done) 2>/dev/null &
+
 # Error handling function
 handle_error() {
     echo "Error updating $1: $2" >&2

scripts/update_packages.elv

@@ -1,5 +1,21 @@
 #!/usr/bin/env elvish
 
+# Request sudo privileges upfront
+echo "Requesting administrator privileges..."
+if (not (sudo -v)) {
+    echo "Failed to obtain administrator privileges. Exiting." >&2
+    exit 1
+}
+
+# Keep sudo timestamp updated in the background
+go { while $true {
+    sudo -n true
+    sleep 60
+    if (not (ps -p (pid) >/dev/null 2>&1)) {
+        exit
+    }
+} } &>/dev/null
+
 fn handle-error {|name msg|
     echo "Error updating "$name": "$msg"" >&2
 }

scripts/update_packages.fish

@@ -1,5 +1,23 @@
 #!/usr/bin/env fish
 
+# Request sudo privileges upfront
+echo "Requesting administrator privileges..."
+if not sudo -v
+    echo "Failed to obtain administrator privileges. Exiting." >&2
+    exit 1
+end
+
+# Keep sudo timestamp updated in the background
+begin
+    while true
+        sudo -n true
+        sleep 60
+        if not kill -0 %self
+            exit
+        end
+    end
+end &>/dev/null &
+
 function handle_error
     echo "Error updating $argv[1]: $argv[2]" >&2
 end

scripts/update_packages.ksh

@@ -1,4 +1,11 @@
-#!/usr/bin/env ksh
+#!/bin/ksh
+
+# Request sudo privileges upfront
+echo "Requesting administrator privileges..."
+sudo -v || { echo "Failed to obtain administrator privileges. Exiting."; exit 1; }
+
+# Keep sudo timestamp updated in the background
+while true; do sudo -n true; sleep 60; kill -0 "$$" || exit; done 2>/dev/null &
 
 function handle_error {
     print -u2 "Error updating $1: $2"

scripts/update_packages.nu

@@ -2,6 +2,24 @@
 # vim: syntax=sh
 # -*- mode: sh -*-
 
+# Request sudo privileges upfront
+echo "Requesting administrator privileges..."
+if (do { sudo -v } | complete).exit_code != 0 {
+    echo "Failed to obtain administrator privileges. Exiting."
+    exit 1
+}
+
+# Keep sudo timestamp updated in the background
+do -bg {
+    loop {
+        sudo -n true
+        sleep 60sec
+        if (ps | where pid == $nu.pid | is-empty) {
+            exit
+        }
+    }
+} | ignore
+
 def handle_error [name: string, msg: string] {
     echo $"Error updating ($name): ($msg)"
 }

scripts/update_packages.posix.sh

@@ -1,5 +1,12 @@
 #!/bin/sh
 
+# Request sudo privileges upfront
+echo "Requesting administrator privileges..."
+sudo -v || { echo "Failed to obtain administrator privileges. Exiting."; exit 1; }
+
+# Keep sudo timestamp updated in the background
+(while true; do sudo -n true; sleep 60; kill -0 "$$" || exit; done) 2>/dev/null &
+
 echo "Starting package updates..."
 
 # Helper function for command existence check

scripts/update_packages.sh

@@ -1,4 +1,11 @@
-#!/usr/bin/env bash
+#!/bin/bash
+
+# Request sudo privileges upfront
+echo "Requesting administrator privileges..."
+sudo -v || { echo "Failed to obtain administrator privileges. Exiting."; exit 1; }
+
+# Keep sudo timestamp updated in the background
+while true; do sudo -n true; sleep 60; kill -0 "$$" || exit; done 2>/dev/null &
 
 echo "Starting package updates..."
 

scripts/update_packages.xsh

@@ -1,6 +1,30 @@
 #!/usr/bin/env xonsh
 
+import os
 import sys
+import subprocess
+from threading import Thread
+import time
+
+# Request sudo privileges upfront
+print("Requesting administrator privileges...")
+try:
+    subprocess.run(['sudo', '-v'], check=True)
+except subprocess.CalledProcessError:
+    print("Failed to obtain administrator privileges. Exiting.", file=sys.stderr)
+    sys.exit(1)
+
+# Keep sudo timestamp updated in the background
+def keep_sudo():
+    while True:
+        try:
+            subprocess.run(['sudo', '-n', 'true'], check=False)
+            time.sleep(60)
+            os.kill(os.getpid(), 0)
+        except:
+            break
+
+Thread(target=keep_sudo, daemon=True).start()
 
 def handle_error(name, msg):
     print(f"Error updating {name}: {msg}", file=sys.stderr)

scripts/update_packages.zsh

@@ -2,6 +2,13 @@
 
 # Update script for multiple package managers
 
+# Request sudo privileges upfront
+echo "Requesting administrator privileges..."
+sudo -v || { echo "Failed to obtain administrator privileges. Exiting."; exit 1; }
+
+# Keep sudo timestamp updated in the background
+while true; do sudo -n true; sleep 60; kill -0 "$$" || exit; done 2>/dev/null &
+
 echo "Starting package updates..."
 
 # Update and upgrade Homebrew