Do not always print version information to stdout

Signed-off-by: David McNeil <mcneil.david2@gmail.com>
clap-rs · Jul 10, 2020 · 95327d7 · 95327d7
1 parent 7127653
commit 95327d7
Showing 1 changed file with 3 additions and 4 deletions.
diff --git a/src/app/parser.rs b/src/app/parser.rs
@@ -1599,12 +1599,11 @@ where
 
     fn _version(&self, use_long: bool) -> Error {
         debugln!("Parser::_version: ");
-        let out = io::stdout();
-        let mut buf_w = BufWriter::new(out.lock());
-        match self.print_version(&mut buf_w, use_long) {
+        let mut buf = vec![];
+        match self.print_version(&mut buf, use_long) {
             Err(e) => e,
             _ => Error {
-                message: String::new(),
+                message: String::from_utf8(buf).unwrap_or_default(),
                 kind: ErrorKind::VersionDisplayed,
                 info: None,
             },