feat: accept multiple arguments as inputs

src/main.rs

@@ -47,8 +47,9 @@ struct Args {
     #[arg(long, value_enum)]
     format: Option<OutputFormat>,
 
-    /// The workflow filename or directory to audit.
-    input: PathBuf,
+    /// The workflow filenames or directories to audit.
+    #[arg(required = true)]
+    inputs: Vec<PathBuf>,
 }
 
 #[derive(Debug, Copy, Clone, ValueEnum)]
@@ -70,10 +71,11 @@ fn main() -> Result<()> {
     let config = AuditConfig::from(&args);
 
     let mut workflow_paths = vec![];
-    if args.input.is_file() {
-        workflow_paths.push(args.input.clone());
-    } else if args.input.is_dir() {
-        let mut absolute = std::fs::canonicalize(&args.input)?;
+    for input in args.inputs {
+        if input.is_file() {
+            workflow_paths.push(input.clone());
+        } else if input.is_dir() {
+            let mut absolute = std::fs::canonicalize(&input)?;
             if !absolute.ends_with(".github/workflows") {
                 absolute.push(".github/workflows")
             }
@@ -83,19 +85,27 @@ fn main() -> Result<()> {
             for entry in std::fs::read_dir(absolute)? {
                 let workflow_path = entry?.path();
                 match workflow_path.extension() {
-                Some(ext) if ext == "yml" || ext == "yaml" => workflow_paths.push(workflow_path),
+                    Some(ext) if ext == "yml" || ext == "yaml" => {
+                        workflow_paths.push(workflow_path)
+                    }
                     _ => continue,
                 }
             }
+        } else {
+            return Err(anyhow!("input malformed, expected file or directory"));
+        }
+    }
 
     if workflow_paths.is_empty() {
         return Err(anyhow!(
             "no workflow files collected; empty or wrong directory?"
         ));
     }
-    } else {
-        return Err(anyhow!("input must be a single workflow file or directory"));
-    }
+
+    log::debug!(
+        "collected workflows: {workflows:?}",
+        workflows = workflow_paths
+    );
 
     let audit_state = AuditState::new(config);