Setup CI workflow and apply cargo fmt to entire repository

examples/authentication.rs

@@ -1,6 +1,7 @@
 use cups_rs::{
-    auth::{set_password_callback, get_password, do_authentication},
-    get_destination, create_job, Result,
+    Result,
+    auth::{do_authentication, get_password, set_password_callback},
+    create_job, get_destination,
 };
 use std::io::{self, Write};
 
@@ -14,14 +15,14 @@ fn main() -> Result<()> {
         println!("Prompt: {}", prompt);
         println!("Method: {}", method);
         println!("Resource: {}", resource);
-        
+
         print!("Enter password (or 'q' to quit): ");
         io::stdout().flush().unwrap();
-        
+
         let mut input = String::new();
         io::stdin().read_line(&mut input).unwrap();
         let input = input.trim();
-        
+
         if input == "q" || input.is_empty() {
             println!("Authentication cancelled");
             None
@@ -38,16 +39,14 @@ fn main() -> Result<()> {
     }
 
     // Try to access a printer that might require authentication
-    let printer_name = std::env::args()
-        .nth(1)
-        .unwrap_or_else(|| "PDF".to_string());
+    let printer_name = std::env::args().nth(1).unwrap_or_else(|| "PDF".to_string());
 
     println!("\nTrying to access printer: {}", printer_name);
-    
+
     match get_destination(&printer_name) {
         Ok(destination) => {
             println!("Successfully connected to: {}", destination.full_name());
-            
+
             // Try to create a job (this might trigger authentication)
             println!("Attempting to create a job...");
             match create_job(&destination, "Authentication test job") {
@@ -56,7 +55,7 @@ fn main() -> Result<()> {
                 }
                 Err(e) => {
                     println!("Job creation failed: {}", e);
-                    
+
                     // Try manual authentication
                     println!("Attempting manual authentication...");
                     match do_authentication(None, "POST", "/") {
@@ -74,12 +73,12 @@ fn main() -> Result<()> {
     // Test removing the callback
     println!("\nRemoving password callback...");
     set_password_callback(None)?;
-    
+
     match get_password("Test prompt after removal:", None, "GET", "/test") {
         Some(password) => println!("Unexpected password: {}", password),
         None => println!("Callback correctly removed - no password provided"),
     }
 
     println!("\nAuthentication example completed!");
     Ok(())
-}
+}

examples/discover_printers.rs

@@ -1,6 +1,6 @@
 use cups_rs::{
-    get_all_destinations, get_default_destination, find_destinations, 
-    Destinations, PRINTER_LOCAL, PRINTER_REMOTE, Result,
+    Destinations, PRINTER_LOCAL, PRINTER_REMOTE, Result, find_destinations, get_all_destinations,
+    get_default_destination,
 };
 
 fn main() -> Result<()> {
@@ -44,7 +44,10 @@ fn main() -> Result<()> {
     // Method 2: Advanced management (new API)
     println!("\n--- Advanced Destination Management ---");
     let mut managed_destinations = Destinations::get_all()?;
-    println!("Managing {} destinations with new API", managed_destinations.len());
+    println!(
+        "Managing {} destinations with new API",
+        managed_destinations.len()
+    );
 
     // Add a test destination to demonstrate management
     println!("Adding test destination 'MyTestPrinter'...");
@@ -58,13 +61,17 @@ fn main() -> Result<()> {
     // Set a new default if we have printers
     if let Some(first_dest) = destinations.first() {
         println!("Setting '{}' as default...", first_dest.name);
-        managed_destinations.set_default_destination(&first_dest.name, first_dest.instance.as_deref())?;
+        managed_destinations
+            .set_default_destination(&first_dest.name, first_dest.instance.as_deref())?;
         println!("  ✓ Default updated");
     }
 
     // Clean up test destination
     let removed = managed_destinations.remove_destination("MyTestPrinter", None)?;
-    println!("Test destination removed: {}", if removed { "✓" } else { "✗" });
+    println!(
+        "Test destination removed: {}",
+        if removed { "✓" } else { "✗" }
+    );
 
     // Show current default (existing API)
     match get_default_destination() {

examples/multi_document.rs

@@ -1,31 +1,34 @@
-use cups_rs::{
-    create_job, get_destination, get_job_info, Result, FORMAT_TEXT,
-};
+use cups_rs::{FORMAT_TEXT, Result, create_job, get_destination, get_job_info};
 
 fn main() -> Result<()> {
     println!("CUPS Multi-Document Job Example");
 
-    let printer_name = std::env::args()
-        .nth(1)
-        .unwrap_or_else(|| "PDF".to_string());
+    let printer_name = std::env::args().nth(1).unwrap_or_else(|| "PDF".to_string());
 
     let destination = get_destination(&printer_name)?;
     println!("Using printer: {}", destination.full_name());
 
     let job = create_job(&destination, "Multi-document job")?;
     println!("Created job ID: {}", job.id);
 
-    std::fs::write("doc1.txt", "Document 1: First page of the multi-document job\n")?;
-    std::fs::write("doc2.txt", "Document 2: Second page of the multi-document job\n")?;
-    std::fs::write("doc3.txt", "Document 3: Final page of the multi-document job\n")?;
+    std::fs::write(
+        "doc1.txt",
+        "Document 1: First page of the multi-document job\n",
+    )?;
+    std::fs::write(
+        "doc2.txt",
+        "Document 2: Second page of the multi-document job\n",
+    )?;
+    std::fs::write(
+        "doc3.txt",
+        "Document 3: Final page of the multi-document job\n",
+    )?;
 
     println!("Submitting document 1 (not last)...");
     job.submit_file_with_options("doc1.txt", FORMAT_TEXT, &[], false)?;
 
     println!("Submitting document 2 (not last)...");
-    let doc2_options = vec![
-        ("print-quality".to_string(), "high".to_string()),
-    ];
+    let doc2_options = vec![("print-quality".to_string(), "high".to_string())];
     job.submit_file_with_options("doc2.txt", FORMAT_TEXT, &doc2_options, false)?;
 
     println!("Submitting document 3 (last document)...");
@@ -47,4 +50,4 @@ fn main() -> Result<()> {
 
     println!("Multi-document job completed! Check: lpstat -o");
     Ok(())
-}
+}

examples/server_config.rs

@@ -1,9 +1,10 @@
 use cups_rs::{
+    Result,
     config::{
-        get_server, set_server, get_user, set_user, get_encryption, set_encryption,
-        get_user_agent, set_user_agent, CupsConfig, EncryptionMode,
+        CupsConfig, EncryptionMode, get_encryption, get_server, get_user, get_user_agent,
+        set_encryption, set_server, set_user, set_user_agent,
     },
-    get_all_destinations, Result,
+    get_all_destinations,
 };
 
 fn main() -> Result<()> {
@@ -17,7 +18,7 @@ fn main() -> Result<()> {
 
     // Test individual configuration functions
     println!("\n--- Testing Individual Configuration ---");
-    
+
     // Test server configuration
     println!("Setting server to 'print.example.com:8631'...");
     set_server(Some("print.example.com:8631"))?;
@@ -44,7 +45,7 @@ fn main() -> Result<()> {
     set_user(None)?;
     set_encryption(EncryptionMode::IfRequested);
     set_user_agent(None)?;
-    
+
     println!("Server restored to: {}", get_server());
     println!("User restored to: {}", get_user());
     println!("Encryption restored to: {:?}", get_encryption());
@@ -69,7 +70,10 @@ fn main() -> Result<()> {
         // Note: This will likely fail since scoped.example.com doesn't exist
         match get_all_destinations() {
             Ok(destinations) => {
-                println!("  Successfully connected! Found {} printers", destinations.len());
+                println!(
+                    "  Successfully connected! Found {} printers",
+                    destinations.len()
+                );
             }
             Err(e) => {
                 println!("  Expected connection failure: {}", e);
@@ -95,13 +99,13 @@ fn main() -> Result<()> {
         .with_user("developer")?
         .with_encryption(EncryptionMode::Never)
         .with_user_agent("DevApp/1.0-debug")?;
-    
+
     let dev_summary = _dev_config.current_config();
     println!("  {}", dev_summary);
 
     // The configuration will be automatically restored when _dev_config is dropped
     println!("\nServer configuration demo completed!");
     println!("Note: All configurations are thread-local in CUPS");
-    
+
     Ok(())
-}
+}