context: fix creation of ProgrammingError to not use non-existent field
Differential Revision: https://phab.mercurial-scm.org/D8606
help: explain in `hg help flags` that unambiguous prefixes are allowed
I used `hg commit --amend` as an example because that's the most
frequently used flag I could think of that doesn't yet have a short
form.
Differential Revision: https://phab.mercurial-scm.org/D8607
git: implement stub prefetch_parents dirstate method
A recent change (
35b255e474d9) introduced this new required dirstate method
but didn't update the git extension.
rust: leverage .expect() in place of .unwrap() + inline comment
For a better error indication in case we made a mistake.
rust: fix false comment about mpsc::Sender
We need Sync to share the Sender reference across threads.