Emit warning on misspelled environment variables#6694
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r? @Eh2406 (rust_highfive has picked a reviewer for you, use r? to override) |
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I think this is good to land. Maybe there's a slightly better place in the execution where this should happen, but somewhere reasonable in |
dwijnand
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Feb 24, 2019
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Let's try this out. We can always change this warning or drop it in the future. @bors r+ |
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📌 Commit 3ca98ad has been approved by |
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Emit warning on misspelled environment variables This PR makes Cargo emit a warning when `RUST_FLAGS` or `RUSTDOC_FLAGS` environment variables are used instead of `RUSTFLAGS` or `RUSTDOCFLAGS`. ```shell $ RUST_FLAGS=foo ./target/debug/cargo build warning: Cargo does not read `RUST_FLAGS` environment variable. Did you mean `RUSTFLAGS`? ``` Fixes #6406
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☀️ Test successful - checks-travis, status-appveyor |
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Update cargo 5 commits in 95b45eca19ac785263fed98ecefe540bb47337ac..dd761226d944712a363ea515cb294f4e2b6bdbe5 2019-03-06 19:24:30 +0000 to 2019-03-11 18:51:14 +0000 - Fingerprint build script deps only for path packages. (rust-lang/cargo#6734) - Add --quiet option for `cargo test` (rust-lang/cargo#6358) - .gitignore should end with a newline. (rust-lang/cargo#6732) - Emit warning on misspelled environment variables (rust-lang/cargo#6694) - Update glob requirement from 0.2.11 to 0.3.0 (rust-lang/cargo#6724)
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Update cargo 6 commits in 95b45eca19ac785263fed98ecefe540bb47337ac..0e35bd8af0ec72d3225c4819b330b94628f0e9d0 2019-03-06 19:24:30 +0000 to 2019-03-13 06:52:51 +0000 - Make `hg` optional for tests. (rust-lang/cargo#6739) - Fingerprint build script deps only for path packages. (rust-lang/cargo#6734) - Add --quiet option for `cargo test` (rust-lang/cargo#6358) - .gitignore should end with a newline. (rust-lang/cargo#6732) - Emit warning on misspelled environment variables (rust-lang/cargo#6694) - Update glob requirement from 0.2.11 to 0.3.0 (rust-lang/cargo#6724)
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This PR makes Cargo emit a warning when
RUST_FLAGSorRUSTDOC_FLAGSenvironment variables are used instead ofRUSTFLAGSorRUSTDOCFLAGS.Fixes #6406