[beta-1.69] backport #11824 #11863
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[beta-1.69] backport #11824 #11863
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…=ehuss Handle case mismatches when looking up env vars in the Config snapshot ### What does this PR try to resolve? Fixes rust-lang#11814. Windows environment variables are case-insensitive, which causes problems when looking them up in the `Config` env snapshot. This PR adds another member (`case_insensitive_env`) in `Config` that maps upper-cased keys to their original values in the env (for example, `"PATH" => "Path"`). If lookup in `self.env` fails, this PR converts the key to upper case and looks it up in `self.case_insensitive_env` to obtain the correct key name if it exists (on Windows only). ### How should we test and review this PR? Please see the new tests in `testsuite/config.rs` and `testsuite/cargo_command.rs`. ### Additional information Currently, this uses `str::to_uppercase` to uppercase the keys. This requires key to be valid UTF-8, and may disagree with how the OS uppercases things (see the link in [this comment](rust-lang#11814 (comment)) for details).
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…nglo [beta-1.69] cargo beta backports 3 commits in 9880b408a3af50c08fab3dbf4aa2a972df71e951..7b18c85808a6b45ec8364bf730617b6f13e0f9f8 2023-02-28 19:39:39 +0000 to 2023-03-17 12:29:33 +0000 - [beta-1.69] backport rust-lang/cargo#11824 (rust-lang/cargo#11863) - [beta-1.69] backport rust-lang/cargo#11820 (rust-lang/cargo#11823) - chore: Backport rust-lang/cargo#11630 to `1.69.0` (rust-lang/cargo#11806) r? `@ghost`
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Beta backports:
In order to make CI pass, the following PRs are also cherry-picked: