Interleave downloads with installations when downloading a toolchain#4471

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FranciscoTGouveia wants to merge 8 commits intorust-lang:mainfrom

FranciscoTGouveia:install-after-download

Commits on Sep 25, 2025

fix(installation): extract installation of a component into a separate function
FranciscoTGouveia
committed
feat(downloads): interleave the downloads with their installations
FranciscoTGouveia
committed
fix(installations): correct faulty output when interleaving a installation with a download
FranciscoTGouveia
committed
feat(installations): add a new notification for the progress bar to show a component was installed
FranciscoTGouveia
committed
fix(downloads): correctly report progress for components that were already downloaded
FranciscoTGouveia
committed
refactor(downloads): substitute RefCells with RwLocks for thread safety
FranciscoTGouveia
committed
refactor(downloads): remove some lifetime parameters to allow multi-thread installations

FranciscoTGouveia
and
rami3l
committed
feat(downloads): use `spawn_blocking` to allow the downloads to continue during installations

FranciscoTGouveia
and
rami3l
committed