bors 4f4656d46d Auto merge of #81762 - pietroalbini:fix-install-msys2, r=m-ou-se
CI: only copy python.exe to python3.exe if the latter does not exist

We're copying the binary to make sure we can call `python3.exe` around, but it seems like the base image of GitHub Actions changed, copying the file before we do so. This PR changes the CI script to only copy the file if it doesn't already exist.

r? `@m-ou-se`
cc `@Mark-Simulacrum`
2021-02-04 20:30:11 +00:00
..
2021-02-02 09:09:52 -05:00

This directory contains the source code of the rust project, including:

  • The test suite
  • The bootstrapping build system
  • Various submodules for tools, like rustdoc, rls, etc.

For more information on how various parts of the compiler work, see the rustc dev guide.