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Describe conflicts with "shell: bash" (#31)

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Alexei Lozovsky
2021-03-19 21:26:39 +09:00
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@@ -42,6 +42,22 @@ jobs:
# ...
```
## Caveats
### Name conflicts with `shell: bash`
Using `shell: bash` in Actions may shadow some of the paths added by MSVC.
In particular, `link.exe` (Microsoft C linker) is prone to be shadowed by `/usr/bin/link` (GNU filesystem link tool).
Unfortunately, this happens because GitHub Actions unconditionally *prepend* GNU paths when `shell: bash` is used,
on top of any paths set by `msvc-dev-cmd`, every time at the start of each new step.
Hence, there aren't many non-destructive options here.
If you experience compilation errors where `link` complains about unreasonable command-line arguments,
“extra operand *something-something*” – that's probably it.
Recommended workaround is to remove `/usr/bin/link` if that interferes with your builds.
If this is not acceptable, please file an issue, then we'll figure out something better.
## License
MIT, see [LICENSE](LICENSE).