Allow multiple toolchains to be requested in uv toolchain install
#4334
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konstin
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BurntSushi
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| if targets.is_empty() { | ||
| writeln!( | ||
| printer.stderr(), | ||
| "A toolchain is already installed. Use `uv toolchain install <request>` to install a specific toolchain.", |
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I think the idea here is that if this message is printed, then I think it's guaranteed that some other "Found installed toolchain ..." message is printed above it, right?
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Also, should this say, "all requested toolchains are already installed"? Instead of just saying only a single toolchain is already installed?
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Yeah that's the idea. The output is actually pretty reasonable with both messages, one is listing discovered toolchains and the other summarizes the result of the whole operation.
We only say this when the targets are empty, which means we're looking for any managed toolchain. This is a special case added in #4248
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Allows installation of multiple toolchains in a single invocation because I don't want to be limited to one! Most of the implementation for concurrent downloads ported from
cargo dev fetch-python.