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Add explanation on how to run cargo-clippy and clippy-driver

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Nilstrieb 2023-03-22 20:13:57 +01:00
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10
book/src/development/adding_lints.md
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@ -18,6 +18,7 @@ because that's clearly a non-descriptive name.
- [Cargo lints](#cargo-lints) - [Cargo lints](#cargo-lints)
- [Rustfix tests](#rustfix-tests) - [Rustfix tests](#rustfix-tests)
- [Testing manually](#testing-manually) - [Testing manually](#testing-manually)
- [Running directly](#running-directly)
- [Lint declaration](#lint-declaration) - [Lint declaration](#lint-declaration)
- [Lint registration](#lint-registration) - [Lint registration](#lint-registration)
- [Lint passes](#lint-passes) - [Lint passes](#lint-passes)
@ -186,6 +187,15 @@ cargo dev lint input.rs
from the working copy root. With tests in place, let's have a look at from the working copy root. With tests in place, let's have a look at
implementing our lint now. implementing our lint now.
## Running directly
While it's easier to just use `cargo dev lint`, it might be desirable to get
`target/release/cargo-clippy` and `target/release/clippy-driver` to work as well in some cases.
By default, they don't work because clippy dynamically links rustc. To help them find rustc,
add the path printed by`rustc --print target-libdir` (ran inside this workspace so that the rustc version matches)
to your library search path.
On linux, this can be done by setting the `LD_LIBRARY_PATH` environment variable to that path.
## Lint declaration ## Lint declaration
Let's start by opening the new file created in the `clippy_lints` crate at Let's start by opening the new file created in the `clippy_lints` crate at