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

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rami3l wants to merge 8 commits into

rust-lang:mainfrom

rami3l:fix/upgrade-false-positive

Commits on Aug 19, 2026

test(dist): show bug with `--allow-downgrade` in `rustup toolchain install`
rami3l
committed
61c6a4d
refactor(dist): simplify `DistOptions::install_into()`
rami3l
committed
822ee2e
refactor(dist): move `try_update_from_dist_()` to under `DistOptions`
rami3l
committed
8ff6a28
refactor(dist): extract `DistOptions::dl_v2_manifest()`
rami3l
committed
5fb4383
refactor(dist): accept `Result<_>` as manifest in `DistOptions::try_update()`
rami3l
committed
0a65a56
fix(dist): fix upgrading exit conditions in `DistOptions::install_into()`
rami3l
committed
f96223c
refactor(dist): remove unused `fetched` param from `DistOptions::try_update()`
rami3l
committed
7bd3251

Commits on Aug 20, 2026

feat(cli/rustup-mode): pass `--allow-downgrade` to `rustup update`
rami3l
committed
eb59f3f