WIP start adding ent binary

Cargo.toml

@@ -4,6 +4,8 @@ version = "0.1.0"
 edition = "2024"
 
 [dependencies]
+anyhow = "1.0.95"
+clap = { version = "4.5.26", features = ["derive"] }
 serde = { version = "1.0.217", features = ["derive"] }
 thiserror = "2.0.11"
 toml = "0.8.19"

src/bin/ent/main.rs

@@ -0,0 +1,36 @@
+use clap::Parser;
+
+#[derive(Debug, clap::Parser)]
+#[command(version, about, long_about = None)]
+struct Args {
+    /// Directory containing issues.
+    #[arg(short, long)]
+    issues_dir: String,
+
+    /// Type of behavior/output.
+    #[command(subcommand)]
+    command: Commands,
+}
+
+#[derive(clap::Subcommand, Debug)]
+enum Commands {
+    /// List issues.
+    List,
+}
+
+fn main() -> anyhow::Result<()> {
+    let args: Args = Args::parse();
+    // println!("{:?}", args);
+
+    match args.command {
+        Commands::List => {
+            let issues =
+                entomologist::issues::Issues::new_from_dir(std::path::Path::new(&args.issues_dir))?;
+            for (uuid, issue) in issues.issues.iter() {
+                println!("{} {} ({:?})", uuid, issue.title, issue.state);
+            }
+        }
+    }
+
+    Ok(())
+}