1 #![allow(clippy::single_match_else)]
2 use rustc_tools_util::VersionInfo;
5 fn check_that_clippy_lints_has_the_same_version_as_clippy() {
6 let clippy_meta = cargo_metadata::MetadataCommand::new()
9 .expect("could not obtain cargo metadata");
10 std::env::set_current_dir(std::env::current_dir().unwrap().join("clippy_lints")).unwrap();
11 let clippy_lints_meta = cargo_metadata::MetadataCommand::new()
14 .expect("could not obtain cargo metadata");
15 assert_eq!(clippy_lints_meta.packages[0].version, clippy_meta.packages[0].version);
16 for package in &clippy_meta.packages[0].dependencies {
17 if package.name == "clippy_lints" {
18 assert!(package.req.matches(&clippy_lints_meta.packages[0].version));
25 fn check_that_clippy_has_the_same_major_version_as_rustc() {
26 let clippy_version = rustc_tools_util::get_version_info!();
27 let clippy_major = clippy_version.major;
28 let clippy_minor = clippy_version.minor;
29 let clippy_patch = clippy_version.patch;
31 // get the rustc version either from the rustc installed with the toolchain file or from
32 // `RUSTC_REAL` if Clippy is build in the Rust repo with `./x.py`.
33 let rustc = std::env::var("RUSTC_REAL").unwrap_or_else(|_| "rustc".to_string());
34 let rustc_version = String::from_utf8(
35 std::process::Command::new(&rustc)
38 .expect("failed to run `rustc --version`")
42 // extract "1 XX 0" from "rustc 1.XX.0-nightly (<commit> <date>)"
43 let vsplit: Vec<&str> = rustc_version
52 match vsplit.as_slice() {
53 [rustc_major, rustc_minor, _rustc_patch] => {
54 // clippy 0.1.XX should correspond to rustc 1.XX.0
55 assert_eq!(clippy_major, 0); // this will probably stay the same for a long time
57 clippy_minor.to_string(),
59 "clippy minor version does not equal rustc major version"
62 clippy_patch.to_string(),
64 "clippy patch version does not equal rustc minor version"
66 // do not check rustc_patch because when a stable-patch-release is made (like 1.50.2),
67 // we don't want our tests failing suddenly
70 panic!("Failed to parse rustc version: {:?}", vsplit);