fix(parser): Set correct source on ignore-errors with did-you-mean

Fixes #5867

clap_builder/src/parser/parser.rs

@@ -1571,9 +1571,11 @@ impl Parser<'_> {
         );
 
         // Add the arg to the matches to build a proper usage string
-        if let Some((name, _)) = did_you_mean.as_ref() {
-            if let Some(arg) = self.cmd.get_keymap().get(&name.as_ref()) {
-                self.start_custom_arg(matcher, arg, ValueSource::CommandLine);
+        if !self.cmd.is_ignore_errors_set() {
+            if let Some((name, _)) = did_you_mean.as_ref() {
+                if let Some(arg) = self.cmd.get_keymap().get(&name.as_ref()) {
+                    self.start_custom_arg(matcher, arg, ValueSource::CommandLine);
+                }
             }
         }
         let did_you_mean = did_you_mean.map(|(arg, cmd)| (format!("--{arg}"), cmd));

tests/builder/ignore_errors.rs

@@ -126,7 +126,10 @@ fn did_you_mean() {
     let r = cmd.try_get_matches_from_mut(vec!["cmd", "--ig"]);
     assert!(r.is_err());
     let err = r.unwrap_err();
-    utils::assert_error(err, ErrorKind::UnknownArgument, str![[r#"
+    utils::assert_error(
+        err,
+        ErrorKind::UnknownArgument,
+        str![[r#"
 error: unexpected argument '--ig' found
 
   tip: a similar argument exists: '--ignore-immutable'
@@ -135,7 +138,9 @@ Usage: cmd --ignore-immutable
 
 For more information, try '--help'.
 
-"#]], true);
+"#]],
+        true,
+    );
 
     let r = cmd
         .ignore_errors(true)
@@ -145,7 +150,7 @@ For more information, try '--help'.
     assert!(m.contains_id("ignore-immutable"), "{m:#?}");
     assert_eq!(
         m.value_source("ignore-immutable"),
-        Some(ValueSource::CommandLine)
+        Some(ValueSource::DefaultValue)
     );
 }