feat(config): display errors when rcfile is invalid

Author: JamieMason

src/rcfile.rs

@@ -9,7 +9,11 @@ use {
   },
   log::error,
   serde::Deserialize,
-  std::{collections::HashMap, io, process::Command},
+  std::{
+    collections::HashMap,
+    io,
+    process::{exit, Command},
+  },
 };
 
 fn empty_custom_types() -> HashMap<String, CustomType> {
@@ -158,7 +162,10 @@ impl Rcfile {
         if output.status.success() {
           String::from_utf8(output.stdout).map_err(|err| io::Error::new(io::ErrorKind::Other, err))
         } else {
-          Err(io::Error::new(io::ErrorKind::Other, "Failed to run cosmiconfig"))
+          Err(io::Error::new(
+            io::ErrorKind::Other,
+            String::from_utf8(output.stderr).expect("Failed to run cosmiconfig"),
+          ))
         }
       })
       .map(Rcfile::from_json);
@@ -175,7 +182,13 @@ impl Rcfile {
 
   /// Create a new rcfile from a JSON string or revert to defaults
   pub fn from_json(json: String) -> Rcfile {
-    serde_json::from_str(&json).unwrap_or_else(|_| Rcfile::new())
+    match serde_json::from_str(&json) {
+      Ok(rcfile) => rcfile,
+      Err(err) => {
+        error!("Your syncpack config file failed validation\n  {err}");
+        exit(1);
+      }
+    }
   }
 
   /// Create every alias defined in the rcfile.