mirror of
https://github.com/rust-lang/cargo
synced 2024-10-31 07:46:57 +00:00
679 lines
23 KiB
Rust
679 lines
23 KiB
Rust
//! Tests for checking behavior of old cargos.
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//!
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//! These tests are ignored because it is intended to be run on a developer
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//! system with a bunch of toolchains installed. This requires `rustup` to be
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//! installed. It will iterate over installed toolchains, and run some tests
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//! over each one, producing a report at the end. As of this writing, I have
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//! tested 1.0 to 1.51. Run this with:
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//!
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//! ```console
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//! cargo test --test testsuite -- old_cargos --nocapture --ignored
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//! ```
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use cargo::CargoResult;
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use cargo_test_support::paths::CargoPathExt;
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use cargo_test_support::registry::{self, Dependency, Package};
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use cargo_test_support::{cargo_exe, execs, paths, process, project, rustc_host};
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use cargo_util::{ProcessBuilder, ProcessError};
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use semver::Version;
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use std::fs;
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fn tc_process(cmd: &str, toolchain: &str) -> ProcessBuilder {
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let mut p = if toolchain == "this" {
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if cmd == "cargo" {
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process(&cargo_exe())
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} else {
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process(cmd)
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}
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} else {
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let mut cmd = process(cmd);
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cmd.arg(format!("+{}", toolchain));
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cmd
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};
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// Reset PATH since `process` modifies it to remove rustup.
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p.env("PATH", std::env::var_os("PATH").unwrap());
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p
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}
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/// Returns a sorted list of all toolchains.
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///
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/// The returned value includes the parsed version, and the rustup toolchain
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/// name as a string.
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fn collect_all_toolchains() -> Vec<(Version, String)> {
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let rustc_version = |tc| {
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let mut cmd = tc_process("rustc", tc);
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cmd.arg("-V");
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let output = cmd.exec_with_output().expect("rustc installed");
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let version = std::str::from_utf8(&output.stdout).unwrap();
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let parts: Vec<_> = version.split_whitespace().collect();
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assert_eq!(parts[0], "rustc");
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assert!(parts[1].starts_with("1."));
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Version::parse(parts[1]).expect("valid version")
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};
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// Provide a way to override the list.
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if let Ok(tcs) = std::env::var("OLD_CARGO") {
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return tcs
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.split(',')
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.map(|tc| (rustc_version(tc), tc.to_string()))
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.collect();
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}
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let host = rustc_host();
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// I tend to have lots of toolchains installed, but I don't want to test
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// all of them (like dated nightlies, or toolchains for non-host targets).
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let valid_names = &[
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format!("stable-{}", host),
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format!("beta-{}", host),
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format!("nightly-{}", host),
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];
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let output = ProcessBuilder::new("rustup")
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.args(&["toolchain", "list"])
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.exec_with_output()
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.expect("rustup should be installed");
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let stdout = std::str::from_utf8(&output.stdout).unwrap();
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let mut toolchains: Vec<_> = stdout
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.lines()
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.map(|line| {
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// Some lines say things like (default), just get the version.
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line.split_whitespace().next().expect("non-empty line")
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})
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.filter(|line| {
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line.ends_with(&host)
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&& (line.starts_with("1.") || valid_names.iter().any(|name| name == line))
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})
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.map(|line| (rustc_version(line), line.to_string()))
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.collect();
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toolchains.sort_by(|a, b| a.0.cmp(&b.0));
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toolchains
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}
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/// Returns whether the default toolchain is the stable version.
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fn default_toolchain_is_stable() -> bool {
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let default = tc_process("rustc", "this").arg("-V").exec_with_output();
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let stable = tc_process("rustc", "stable").arg("-V").exec_with_output();
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match (default, stable) {
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(Ok(d), Ok(s)) => d.stdout == s.stdout,
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_ => false,
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}
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}
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// This is a test for exercising the behavior of older versions of cargo with
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// the new feature syntax.
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//
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// The test involves a few dependencies with different feature requirements:
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//
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// * `bar` 1.0.0 is the base version that does not use the new syntax.
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// * `bar` 1.0.1 has a feature with the new syntax, but the feature is unused.
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// The optional dependency `new-baz-dep` should not be activated.
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// * `bar` 1.0.2 has a dependency on `baz` that *requires* the new feature
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// syntax.
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#[ignore = "must be run manually, requires old cargo installations"]
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#[cargo_test]
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fn new_features() {
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let registry = registry::init();
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if std::process::Command::new("rustup").output().is_err() {
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panic!("old_cargos requires rustup to be installed");
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}
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Package::new("new-baz-dep", "1.0.0").publish();
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Package::new("baz", "1.0.0").publish();
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let baz101_cksum = Package::new("baz", "1.0.1")
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.add_dep(Dependency::new("new-baz-dep", "1.0").optional(true))
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.feature("new-feat", &["dep:new-baz-dep"])
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.publish();
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let bar100_cksum = Package::new("bar", "1.0.0")
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.add_dep(Dependency::new("baz", "1.0").optional(true))
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.feature("feat", &["baz"])
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.publish();
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let bar101_cksum = Package::new("bar", "1.0.1")
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.add_dep(Dependency::new("baz", "1.0").optional(true))
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.feature("feat", &["dep:baz"])
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.publish();
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let bar102_cksum = Package::new("bar", "1.0.2")
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.add_dep(Dependency::new("baz", "1.0").enable_features(&["new-feat"]))
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.publish();
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let p = project()
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.file(
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"Cargo.toml",
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r#"
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[package]
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name = "foo"
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version = "0.1.0"
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[dependencies]
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bar = "1.0"
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"#,
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)
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.file("src/lib.rs", "")
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.build();
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let lock_bar_to = |toolchain_version: &Version, bar_version| {
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let lock = if toolchain_version < &Version::new(1, 12, 0) {
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let url = registry.index_url();
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match bar_version {
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100 => format!(
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r#"
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[root]
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name = "foo"
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version = "0.1.0"
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dependencies = [
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"bar 1.0.0 (registry+{url})",
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]
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[[package]]
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name = "bar"
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version = "1.0.0"
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source = "registry+{url}"
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"#,
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url = url
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),
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101 => format!(
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r#"
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[root]
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name = "foo"
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version = "0.1.0"
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dependencies = [
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"bar 1.0.1 (registry+{url})",
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]
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[[package]]
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name = "bar"
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version = "1.0.1"
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source = "registry+{url}"
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"#,
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url = url
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),
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102 => format!(
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r#"
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[root]
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name = "foo"
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version = "0.1.0"
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dependencies = [
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"bar 1.0.2 (registry+{url})",
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]
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[[package]]
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name = "bar"
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version = "1.0.2"
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source = "registry+{url}"
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dependencies = [
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"baz 1.0.1 (registry+{url})",
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]
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[[package]]
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name = "baz"
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version = "1.0.1"
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source = "registry+{url}"
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"#,
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url = url
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),
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_ => panic!("unexpected version"),
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}
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} else {
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match bar_version {
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100 => format!(
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r#"
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[root]
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name = "foo"
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version = "0.1.0"
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dependencies = [
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"bar 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "bar"
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version = "1.0.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[metadata]
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"checksum bar 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "{}"
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"#,
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bar100_cksum
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),
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101 => format!(
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r#"
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[root]
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name = "foo"
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version = "0.1.0"
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dependencies = [
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"bar 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "bar"
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version = "1.0.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[metadata]
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"checksum bar 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "{}"
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"#,
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bar101_cksum
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),
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102 => format!(
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r#"
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[root]
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name = "foo"
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version = "0.1.0"
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dependencies = [
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"bar 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "bar"
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version = "1.0.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"baz 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "baz"
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version = "1.0.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[metadata]
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"checksum bar 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)" = "{bar102_cksum}"
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"checksum baz 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "{baz101_cksum}"
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"#,
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bar102_cksum = bar102_cksum,
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baz101_cksum = baz101_cksum
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),
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_ => panic!("unexpected version"),
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}
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};
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p.change_file("Cargo.lock", &lock);
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};
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let toolchains = collect_all_toolchains();
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let config_path = paths::home().join(".cargo/config");
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let lock_path = p.root().join("Cargo.lock");
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struct ToolchainBehavior {
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bar: Option<Version>,
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baz: Option<Version>,
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new_baz_dep: Option<Version>,
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}
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// Collect errors to print at the end. One entry per toolchain, a list of
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// strings to print.
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let mut unexpected_results: Vec<Vec<String>> = Vec::new();
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for (version, toolchain) in &toolchains {
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let mut tc_result = Vec::new();
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// Write a config appropriate for this version.
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if version < &Version::new(1, 12, 0) {
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fs::write(
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&config_path,
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format!(
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r#"
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[registry]
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index = "{}"
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"#,
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registry.index_url()
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),
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)
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.unwrap();
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} else {
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fs::write(
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&config_path,
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format!(
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"
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[source.crates-io]
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registry = 'https://wut' # only needed by 1.12
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replace-with = 'dummy-registry'
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[source.dummy-registry]
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registry = '{}'
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",
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registry.index_url()
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),
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)
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.unwrap();
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}
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// Fetches the version of a package in the lock file.
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let pkg_version = |pkg| -> Option<Version> {
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let output = tc_process("cargo", toolchain)
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.args(&["pkgid", pkg])
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.cwd(p.root())
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.exec_with_output()
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.ok()?;
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let stdout = std::str::from_utf8(&output.stdout).unwrap();
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let version = stdout
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.trim()
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.rsplitn(2, ':')
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.next()
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.expect("version after colon");
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Some(Version::parse(version).expect("parseable version"))
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};
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// Runs `cargo build` and returns the versions selected in the lock.
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let run_cargo = || -> CargoResult<ToolchainBehavior> {
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match tc_process("cargo", toolchain)
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.args(&["build", "--verbose"])
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.cwd(p.root())
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.exec_with_output()
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{
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Ok(_output) => {
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eprintln!("{} ok", toolchain);
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let bar = pkg_version("bar");
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let baz = pkg_version("baz");
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let new_baz_dep = pkg_version("new-baz-dep");
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Ok(ToolchainBehavior {
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bar,
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baz,
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new_baz_dep,
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})
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}
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Err(e) => {
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eprintln!("{} err {}", toolchain, e);
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Err(e)
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}
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}
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};
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macro_rules! check_lock {
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($tc_result:ident, $pkg:expr, $which:expr, $actual:expr, None) => {
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check_lock!(= $tc_result, $pkg, $which, $actual, None);
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};
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($tc_result:ident, $pkg:expr, $which:expr, $actual:expr, $expected:expr) => {
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check_lock!(= $tc_result, $pkg, $which, $actual, Some(Version::parse($expected).unwrap()));
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};
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(= $tc_result:ident, $pkg:expr, $which:expr, $actual:expr, $expected:expr) => {
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let exp: Option<Version> = $expected;
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if $actual != $expected {
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$tc_result.push(format!(
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"{} for {} saw {:?} but expected {:?}",
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$which, $pkg, $actual, exp
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));
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}
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};
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}
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let check_err_contains = |tc_result: &mut Vec<_>, err: anyhow::Error, contents| {
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if let Some(ProcessError {
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stderr: Some(stderr),
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..
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}) = err.downcast_ref::<ProcessError>()
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{
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let stderr = std::str::from_utf8(stderr).unwrap();
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if !stderr.contains(contents) {
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tc_result.push(format!(
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"{} expected to see error contents:\n{}\nbut saw:\n{}",
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toolchain, contents, stderr
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));
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}
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} else {
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panic!("{} unexpected error {}", toolchain, err);
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}
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};
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// Unlocked behavior.
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let which = "unlocked";
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lock_path.rm_rf();
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p.build_dir().rm_rf();
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match run_cargo() {
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Ok(behavior) => {
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if version < &Version::new(1, 51, 0) {
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check_lock!(tc_result, "bar", which, behavior.bar, "1.0.2");
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check_lock!(tc_result, "baz", which, behavior.baz, "1.0.1");
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check_lock!(tc_result, "new-baz-dep", which, behavior.new_baz_dep, None);
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} else if version >= &Version::new(1, 51, 0) && version <= &Version::new(1, 59, 0) {
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check_lock!(tc_result, "bar", which, behavior.bar, "1.0.0");
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check_lock!(tc_result, "baz", which, behavior.baz, None);
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check_lock!(tc_result, "new-baz-dep", which, behavior.new_baz_dep, None);
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}
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// Starting with 1.60, namespaced-features has been stabilized.
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else {
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check_lock!(tc_result, "bar", which, behavior.bar, "1.0.2");
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check_lock!(tc_result, "baz", which, behavior.baz, "1.0.1");
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check_lock!(
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tc_result,
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"new-baz-dep",
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which,
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behavior.new_baz_dep,
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"1.0.0"
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);
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}
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}
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Err(e) => {
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tc_result.push(format!("unlocked build failed: {}", e));
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}
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}
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let which = "locked bar 1.0.0";
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lock_bar_to(version, 100);
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match run_cargo() {
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Ok(behavior) => {
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check_lock!(tc_result, "bar", which, behavior.bar, "1.0.0");
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check_lock!(tc_result, "baz", which, behavior.baz, None);
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check_lock!(tc_result, "new-baz-dep", which, behavior.new_baz_dep, None);
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}
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Err(e) => {
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tc_result.push(format!("bar 1.0.0 locked build failed: {}", e));
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}
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}
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let which = "locked bar 1.0.1";
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lock_bar_to(version, 101);
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match run_cargo() {
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Ok(behavior) => {
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check_lock!(tc_result, "bar", which, behavior.bar, "1.0.1");
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check_lock!(tc_result, "baz", which, behavior.baz, None);
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check_lock!(tc_result, "new-baz-dep", which, behavior.new_baz_dep, None);
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}
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Err(e) => {
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// When version >= 1.51 and <= 1.59,
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// 1.0.1 can't be used without -Znamespaced-features
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// It gets filtered out of the index.
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check_err_contains(
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&mut tc_result,
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e,
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"candidate versions found which didn't match: 1.0.2, 1.0.0",
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);
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}
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}
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let which = "locked bar 1.0.2";
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lock_bar_to(version, 102);
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match run_cargo() {
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Ok(behavior) => {
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if version <= &Version::new(1, 59, 0) {
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check_lock!(tc_result, "bar", which, behavior.bar, "1.0.2");
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check_lock!(tc_result, "baz", which, behavior.baz, "1.0.1");
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check_lock!(tc_result, "new-baz-dep", which, behavior.new_baz_dep, None);
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}
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// Starting with 1.60, namespaced-features has been stabilized.
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else {
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check_lock!(tc_result, "bar", which, behavior.bar, "1.0.2");
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check_lock!(tc_result, "baz", which, behavior.baz, "1.0.1");
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check_lock!(
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tc_result,
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"new-baz-dep",
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which,
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behavior.new_baz_dep,
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"1.0.0"
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);
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}
|
|
}
|
|
Err(e) => {
|
|
// When version >= 1.51 and <= 1.59,
|
|
// baz can't lock to 1.0.1, it requires -Znamespaced-features
|
|
check_err_contains(
|
|
&mut tc_result,
|
|
e,
|
|
"candidate versions found which didn't match: 1.0.0",
|
|
);
|
|
}
|
|
}
|
|
|
|
unexpected_results.push(tc_result);
|
|
}
|
|
|
|
// Generate a report.
|
|
let mut has_err = false;
|
|
for ((tc_vers, tc_name), errs) in toolchains.iter().zip(unexpected_results) {
|
|
if errs.is_empty() {
|
|
continue;
|
|
}
|
|
eprintln!("error: toolchain {} (version {}):", tc_name, tc_vers);
|
|
for err in errs {
|
|
eprintln!(" {}", err);
|
|
}
|
|
has_err = true;
|
|
}
|
|
if has_err {
|
|
panic!("at least one toolchain did not run as expected");
|
|
}
|
|
}
|
|
|
|
#[cargo_test]
|
|
#[ignore = "must be run manually, requires old cargo installations"]
|
|
fn index_cache_rebuild() {
|
|
// Checks that the index cache gets rebuilt.
|
|
//
|
|
// 1.48 will not cache entries with features with the same name as a
|
|
// dependency. If the cache does not get rebuilt, then running with
|
|
// `-Znamespaced-features` would prevent the new cargo from seeing those
|
|
// entries. The index cache version was changed to prevent this from
|
|
// happening, and switching between versions should work correctly
|
|
// (although it will thrash the cash, that's better than not working
|
|
// correctly.
|
|
Package::new("baz", "1.0.0").publish();
|
|
Package::new("bar", "1.0.0").publish();
|
|
Package::new("bar", "1.0.1")
|
|
.add_dep(Dependency::new("baz", "1.0").optional(true))
|
|
.feature("baz", &["dep:baz"])
|
|
.publish();
|
|
|
|
let p = project()
|
|
.file(
|
|
"Cargo.toml",
|
|
r#"
|
|
[package]
|
|
name = "foo"
|
|
version = "0.1.0"
|
|
|
|
[dependencies]
|
|
bar = "1.0"
|
|
"#,
|
|
)
|
|
.file("src/lib.rs", "")
|
|
.build();
|
|
|
|
// This version of Cargo errors on index entries that have overlapping
|
|
// feature names, so 1.0.1 will be missing.
|
|
execs()
|
|
.with_process_builder(tc_process("cargo", "1.48.0"))
|
|
.arg("check")
|
|
.cwd(p.root())
|
|
.with_stderr(
|
|
"\
|
|
[UPDATING] [..]
|
|
[DOWNLOADING] crates ...
|
|
[DOWNLOADED] bar v1.0.0 [..]
|
|
[CHECKING] bar v1.0.0
|
|
[CHECKING] foo v0.1.0 [..]
|
|
[FINISHED] [..]
|
|
",
|
|
)
|
|
.run();
|
|
|
|
fs::remove_file(p.root().join("Cargo.lock")).unwrap();
|
|
|
|
// This should rebuild the cache and use 1.0.1.
|
|
p.cargo("check")
|
|
.with_stderr(
|
|
"\
|
|
[UPDATING] [..]
|
|
[DOWNLOADING] crates ...
|
|
[DOWNLOADED] bar v1.0.1 [..]
|
|
[CHECKING] bar v1.0.1
|
|
[CHECKING] foo v0.1.0 [..]
|
|
[FINISHED] [..]
|
|
",
|
|
)
|
|
.run();
|
|
|
|
fs::remove_file(p.root().join("Cargo.lock")).unwrap();
|
|
|
|
// Verify 1.48 can still resolve, and is at 1.0.0.
|
|
execs()
|
|
.with_process_builder(tc_process("cargo", "1.48.0"))
|
|
.arg("tree")
|
|
.cwd(p.root())
|
|
.with_stdout(
|
|
"\
|
|
foo v0.1.0 [..]
|
|
└── bar v1.0.0
|
|
",
|
|
)
|
|
.run();
|
|
}
|
|
|
|
#[cargo_test]
|
|
#[ignore = "must be run manually, requires old cargo installations"]
|
|
fn avoids_split_debuginfo_collision() {
|
|
// Test needs two different toolchains.
|
|
// If the default toolchain is stable, then it won't work.
|
|
if default_toolchain_is_stable() {
|
|
return;
|
|
}
|
|
// Checks for a bug where .o files were being incorrectly shared between
|
|
// different toolchains using incremental and split-debuginfo on macOS.
|
|
let p = project()
|
|
.file(
|
|
"Cargo.toml",
|
|
r#"
|
|
[package]
|
|
name = "foo"
|
|
version = "0.1.0"
|
|
|
|
[profile.dev]
|
|
split-debuginfo = "unpacked"
|
|
"#,
|
|
)
|
|
.file("src/main.rs", "fn main() {}")
|
|
.build();
|
|
|
|
execs()
|
|
.with_process_builder(tc_process("cargo", "stable"))
|
|
.arg("build")
|
|
.env("CARGO_INCREMENTAL", "1")
|
|
.cwd(p.root())
|
|
.with_stderr(
|
|
"\
|
|
[COMPILING] foo v0.1.0 [..]
|
|
[FINISHED] [..]
|
|
",
|
|
)
|
|
.run();
|
|
|
|
p.cargo("build")
|
|
.env("CARGO_INCREMENTAL", "1")
|
|
.with_stderr(
|
|
"\
|
|
[COMPILING] foo v0.1.0 [..]
|
|
[FINISHED] [..]
|
|
",
|
|
)
|
|
.run();
|
|
|
|
execs()
|
|
.with_process_builder(tc_process("cargo", "stable"))
|
|
.arg("build")
|
|
.env("CARGO_INCREMENTAL", "1")
|
|
.cwd(p.root())
|
|
.with_stderr(
|
|
"\
|
|
[FINISHED] [..]
|
|
",
|
|
)
|
|
.run();
|
|
}
|