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alexcrichton opened this issue Oct 19, 2015 · 3 comments
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Cannot spawns a process called "rustc" on Windows #13

alexcrichton opened this issue Oct 19, 2015 · 3 comments

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@alexcrichton
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When using multirust on Windows it looks like invocations along the lines of Command::new("rustc") will fail because there's no binary called rustc.exe on the system (maybe the shell only runs batch files?)
@Diggsey
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Diggsey commented Oct 19, 2015

Yes, unfortunately this is the unforeseen downside of using batch files as proxies. Command is essentially a wrapper around CreateProcess, which only looks for .exe files unless you specify a full path.

I have several options, each of which have their own downsides:

  1. Use batch files, have this problem
  2. Use symlinks, require admin privileges to install multirust
  3. Use copies of the multirust binary, the multirust binary is pretty big to duplicate a bunch of times
  4. Use stub executables, have to create them somehow...

Currently it looks like (2) with a fallback to (3) if it can't get admin permissions might be the best option.

@Diggsey
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Diggsey commented Oct 20, 2015

This should be fixed now: it uses hardlinks on windows and symlinks elsewhere, instead of batch/shell scripts.

@Diggsey Diggsey closed this as completed Oct 20, 2015
@alexcrichton
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Hurray! Thanks!

@erde74 erde74 mentioned this issue Aug 15, 2016
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djc added a commit that referenced this issue Jun 18, 2024
@djc
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@alexcrichton @Diggsey