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feat(rustup-mode): add no_update flag to rustup toolchain install #4522

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feat(rustup-mode): add no_update flag to rustup toolchain install #4522

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feat(rustup-mode): add `no_update` flag to `rustup toolchain install`
nozwock Oct 10, 2025
4192bf4
test: add test for `rustup toolchain install --no-update`
nozwock Oct 10, 2025
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12 changes: 10 additions & 2 deletions src/cli/rustup_mode.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -378,6 +378,10 @@ struct UpdateOpts {
#[arg(long)]
no_self_update: bool,

/// Don't try to update the installed toolchain
#[arg(long)]
no_update: bool,

/// Force an update, even if some components are missing
#[arg(long)]
force: bool,
Expand Down Expand Up @@ -967,8 +971,12 @@ async fn update(
let profile = cfg.get_profile()?;
let status = match DistributableToolchain::new(cfg, desc.clone()) {
Ok(mut d) => {
d.update_extra(&components, &targets, profile, force, allow_downgrade)
.await?
if !opts.no_update {
d.update_extra(&components, &targets, profile, force, allow_downgrade)
.await?
} else {
UpdateStatus::Unchanged
}
}
Err(RustupError::ToolchainNotInstalled { .. }) => {
DistributableToolchain::install(
Expand Down
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