1 files changed, 30 insertions, 0 deletions
diff --git a/subplot/subplot.rs b/subplot/subplot.rs
new file mode 100644
index 0000000..1496154
--- /dev/null
+++ b/subplot/subplot.rs
@@ -0,0 +1,30 @@
+// Rust support for running Subplot scenarios for
+// pandoc-filter-diagram.
+
+use subplotlib::steplibrary::runcmd::Runcmd;
+
+use std::env;
+use std::path::Path;
+
+#[step]
+#[context(Runcmd)]
+fn install_rust_program(context: &ScenarioContext, name: &str) {
+    println!("install_rust_program 1");
+    println!("install_rust_program: name={:?}", name);
+    let target_dir = Path::new(env!("CARGO_TARGET_DIR"));
+    let exe = target_dir.join("debug").join(name);
+    println!("install_rust_program: exe={:?} {}", exe, exe.exists());
+    assert!(exe.exists());
+    println!("install_rust_program 2");
+    let path = Path::new(&exe).parent().ok_or("No parent?")?;
+    println!("install_rust_program 3");
+
+    context.with_mut(
+        |context: &mut Runcmd| {
+            context.prepend_to_path(path);
+            Ok(())
+        },
+        false,
+    )?;
+    println!("install_rust_program 999");
+}