Add artifact-types parameter

Author: marekklis

src/crufty/cli.rs

@@ -15,6 +15,8 @@ pub enum Commands {
   Scan,
   /// Clean all build artifacts in the current directory
   Clean,
+  /// Show all built-in artifact types
+  ArtifactTypes,
 }
 
 #[cfg(test)]

src/main.rs

@@ -25,6 +25,10 @@ fn main() {
       Err(err) => exit_unrecoverable(err),
       Ok(_) => {}
     },
+    Commands::ArtifactTypes => match artifact_types() {
+      Err(err) => exit_unrecoverable(err),
+      Ok(_) => {}
+    },
   }
 }
 
@@ -138,6 +142,17 @@ fn clean() -> io::Result<()> {
   }
 }
 
+fn artifact_types() -> io::Result<()> {
+  let term = Term::stdout();
+  term.write_line("Built-in artifact types supported by crufty:")?;
+  for (i, artifact) in artifact_type::builtin().iter_mut().enumerate() {
+    term.write_line(&format!("[{}] {}", i + 1, artifact.artifact_type_name()))?;
+    term.write_line(&format!("  - Matches: {}", artifact.pattern()))?;
+    term.write_line(&format!("  - Recognized by: {}", artifact.recognized_files().join(", ")))?;
+  }
+  Ok(())
+}
+
 fn exit_unrecoverable(_err: io::Error) {
   let term_err = Term::stderr();
   let error_message = "Encountered error, existing...";