D12389: rhg: sort unsupported extensions in error message

[Alphare (Raphaël Gomès)]

Alphare created this revision.
Herald added a reviewer: hg-reviewers.
Herald added a subscriber: mercurial-patches.

REVISION SUMMARY
  This caused some flakiness in test output, and is also just better for users.

REPOSITORY
  rHG Mercurial

BRANCH
  default

REVISION DETAIL
  https://phab.mercurial-scm.org/D12389

AFFECTED FILES
  rust/rhg/src/main.rs

CHANGE DETAILS

diff --git a/rust/rhg/src/main.rs b/rust/rhg/src/main.rs
--- a/rust/rhg/src/main.rs
+++ b/rust/rhg/src/main.rs
@@ -674,6 +674,9 @@
     if unsupported.is_empty() {
         Ok(())
     } else {
+        let mut unsupported: Vec<_> = unsupported.into_iter().collect();
+        // Sort the extensions to get a stable output
+        unsupported.sort();
         Err(CommandError::UnsupportedFeature {
             message: format_bytes!(
                 b"extensions: {} (consider adding them to 'rhg.ignored-extensions' config)",



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