From cd527e849f0f05735cb1847a158b7104a00ce65c Mon Sep 17 00:00:00 2001
From: Akshay <nerdy@peppe.rs>
Date: Mon, 25 Oct 2021 22:18:42 +0530
Subject: fix minor bug with out-format

---
 bin/src/config.rs | 22 ++++++++++++++++++----
 1 file changed, 18 insertions(+), 4 deletions(-)

diff --git a/bin/src/config.rs b/bin/src/config.rs
index 202ff6c..fc4057a 100644
--- a/bin/src/config.rs
+++ b/bin/src/config.rs
@@ -1,6 +1,6 @@
 use std::{
     default::Default,
-    fs, io,
+    fmt, fs, io,
     path::{Path, PathBuf},
     str::FromStr,
 };
@@ -40,8 +40,8 @@ pub struct Check {
     ignore: Vec<String>,
 
     /// Output format.
-    /// Supported values: errfmt, json (on feature flag only)
-    #[clap(short = 'o', long, default_value = "OutFormat::StdErr")]
+    /// Supported values: stderr, errfmt, json (on feature flag only)
+    #[clap(short = 'o', long, default_value_t, parse(try_from_str))]
     pub format: OutFormat,
 }
 
@@ -192,7 +192,6 @@ fn vfs(files: Vec<PathBuf>) -> Result<ReadOnlyVfs, ConfigErr> {
         vfs.set_file_contents(&file, data.as_bytes());
     }
     Ok(vfs)
-
 }
 
 #[derive(Debug, Copy, Clone)]
@@ -209,6 +208,21 @@ impl Default for OutFormat {
     }
 }
 
+impl fmt::Display for OutFormat {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        write!(
+            f,
+            "{}",
+            match self {
+                #[cfg(feature = "json")]
+                Self::Json => "json",
+                Self::Errfmt => "errfmt",
+                Self::StdErr => "stderr",
+            }
+        )
+    }
+}
+
 impl FromStr for OutFormat {
     type Err = &'static str;
 
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