1 files changed, 25 insertions, 2 deletions
diff --git a/src/bin/obnam-benchmark.rs b/src/bin/obnam-benchmark.rs
index e6a476c..f079d75 100644
--- a/src/bin/obnam-benchmark.rs
+++ b/src/bin/obnam-benchmark.rs
@@ -10,7 +10,6 @@ use structopt::StructOpt;
 
 fn main() {
     pretty_env_logger::init_custom_env("OBNAM_BENCHMARK_LOG");
-    println!("START");
     info!("obnam-benchmark starts");
     if let Err(err) = real_main() {
         eprintln!("ERROR: {}", err);
@@ -18,7 +17,6 @@ fn main() {
         exit(1);
     }
     info!("obnam-benchmark ends successfully");
-    println!("END");
 }
 
 fn real_main() -> anyhow::Result<()> {
@@ -30,6 +28,7 @@ fn real_main() -> anyhow::Result<()> {
         Command::GenerateJunk(x) => x.run()?,
         Command::Run(x) => x.run()?,
         Command::Spec(x) => x.run()?,
+        Command::Steps(x) => x.run()?,
     }
 
     Ok(())
@@ -51,6 +50,9 @@ enum Command {
 
     /// Generate some junk data in a file.
     GenerateJunk(GenerateJunk),
+
+    /// Show the steps for running a benchmark.
+    Steps(Steps),
 }
 
 #[derive(Debug, StructOpt)]
@@ -129,3 +131,24 @@ impl GenerateJunk {
         Ok(())
     }
 }
+
+#[derive(Debug, StructOpt)]
+struct Steps {
+    /// Name of the specification file
+    #[structopt(parse(from_os_str))]
+    spec: PathBuf,
+}
+
+impl Steps {
+    fn run(&self) -> anyhow::Result<()> {
+        info!(
+            "showing steps to run benchmarks from {}",
+            self.spec.display()
+        );
+        let spec = Specification::from_file(&self.spec)?;
+        for step in spec.steps().iter() {
+            println!("{:?}", step);
+        }
+        Ok(())
+    }
+}