fix(dist): fix unexpected downgrades without `--allow-downgrade` - #5023

Open

rami3l wants to merge 9 commits into

rust-lang:mainfrom

rami3l:fix/upgrade-false-positive

Commits on Aug 25, 2026

test(dist): show bug with `--allow-downgrade` in `rustup toolchain install`
rami3l
committed
c6c2164
refactor(dist): simplify `DistOptions::install_into()`
rami3l
committed
36eb429
refactor(dist): move `try_update_from_dist_()` to under `DistOptions`
rami3l
committed
080c9c2

Commits on Aug 26, 2026

refactor(dist): simplify error handling in `DistOptions::try_update()`
rami3l
committed
45f3fb9
refactor(dist): extract `DistOptions::dl_v2_manifest()`
rami3l
committed
d7d570c
refactor(dist): accept `Result<_>` as manifest in `DistOptions::try_update()`
rami3l
committed
d417455
fix(dist): fix upgrading exit conditions in `DistOptions::install_into()`
rami3l
committed
e77fea7
refactor(dist): remove unused `fetched` param from `DistOptions::try_update()`
rami3l
committed
74b083c
feat(cli/rustup-mode): pass `--allow-downgrade` to `rustup update`
rami3l
committed
6fddede