age: Return correct response encoding for confirm command

age-core/CHANGELOG.md

@@ -10,6 +10,7 @@ to 1.0.0 are beta releases.
 ### Added
 - `age_core::io::{DebugReader, DebugWriter}`
 - `age_core::plugin::Error::Unsupported`
+- `age_core::plugin::Reply::ok_with_metadata`
 
 ### Changed
 - MSRV is now 1.56.0.

age-core/src/plugin.rs

@@ -382,6 +382,11 @@ impl<'a, R: Read, W: Write> Reply<'a, R, W> {
         )
     }
 
+    /// Reply with `ok`, metadata, and optional data.
+    pub fn ok_with_metadata<S: AsRef<str>>(self, metadata: &[S], data: Option<&[u8]>) -> Response {
+        Response(self.0.send(RESPONSE_OK, metadata, data.unwrap_or_default()))
+    }
+
     /// The command failed (for example, the user failed to respond to an input request).
     pub fn fail(self) -> Response {
         Response(self.0.send::<&str>(RESPONSE_FAIL, &[], &[]))

age/src/plugin.rs

@@ -269,7 +269,7 @@ fn handle_confirm<R: io::Read, W: io::Write, C: Callbacks>(
             .as_ref()
             .map(|s| s.borrow()),
     ) {
-        reply.ok(Some(if value { "yes" } else { "no" }.as_bytes()))
+        reply.ok_with_metadata(&[if value { "yes" } else { "no" }], None)
     } else {
         reply.fail()
     }