Updated update script

zsh/update.zsh

@@ -1,4 +1,22 @@
 update-system() {
+
+    # Ask for sudo right now
+    sudoresult=$(sudo -nv 2>&1)
+
+    if [ $? -eq 0 ]; then
+        # Nothing to do
+    elif echo $sudoresult | grep -q '^sudo:'; then
+        echo "\033[32;1m=== Starting system update, please enter your password ===\033[0m"
+        sudo true
+        if [ $? -ne 0 ]; then
+            echo "Could not get sudo..."
+            return 1
+        fi
+    else
+        echo "\033[33;1m=== You are not a sudoer, skipping system update... ===\033[0m"
+        return 1
+    fi
+
     echo "\033[32;1m=== Updating system ===\033[0m"
     start_system_update=`date +%s`
 
@@ -55,9 +73,14 @@ update-rust() {
         if [ $? -ne 0 ]; then
 
             pkg-config --libs --cflags openssl > /dev/null 2>&1
-            if [ $? -ne 0 ]; then
 
             # We need to install openssl
+            if [ $? -ne 0 ]; then
+
+                # Ask for sudo right now
+                sudoresult=$(sudo -nv 2>&1)
+
+                if [ $? -eq 0 ]; then
                     command -v apt > /dev/null 2>&1
                     if [ $? -eq 0 ]; then
                         sudo apt install -y libssl-dev
@@ -68,6 +91,17 @@ update-rust() {
                     if [ $? -eq 0 ]; then
                         sudo dnf install openssl-devel
                     fi
+                elif echo $sudoresult | grep -q '^sudo:'; then
+                    echo "\033[32;1m=== libssl-dev is needed to update rust packages, please enter your password ===\033[0m"
+                    sudo true
+                    if [ $? -ne 0 ]; then
+                        echo "Could not get sudo..."
+                        return 1
+                    fi
+                else
+                    echo "\033[33;1m=== You are not a sudoer, cannot install cargo-update... ===\033[0m"
+                    return 1
+                fi
 
             fi
 
@@ -111,15 +145,7 @@ update-dotfiles() {
 update() {
 
     start=`date +%s`
-    echo "\033[32;1m=== Starting the update, please enter your password ===\033[0m"
+    echo "\033[32;1m=== Starting update ===\033[0m"
-
-    # Ask for sudo right now
-    sudo true
-
-    if [ $? -ne 0 ]; then
-        echo "Could not get sudo..."
-        return 1
-    fi
 
     # Update the system
     update-system