Command to get toolchain path

[alexreg]

The old multirust (script) had a ctl command that allowed you to get the default toolchain, active toolchain, and path for any given toolchain. Is there a way to do this in rustup? If not, it would be a nice feature to add, for scripting in particular.

[brson]

There's no way to do this presently. ctl was an implementation detail of multirust and I didn't expect it to be used for scripting. If you want the active toolchain path you can run rustup which rustc and derive it from that. If you need more precise information I'm interested to know what exactly and for what purpose.

[alexreg]

Yeah, that’s the solution I was considering. My use case was actually for a script for viewing Rust man pages for the current toolchain.

On 3 Jun 2016, at 22:20, Brian Anderson notifications@github.com wrote:

There's no way to do this presently. ctl was an implementation detail of multirust and I didn't expect it to be used for scripting. If you want the active toolchain path you can run rustup which rustc and derive it from that. If you need more precise information I'm interested to know what exactly and for what purpose.

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[Diggsey]

Dupe of #450