mirror of https://github.com/rust-lang/cargo
772 lines
21 KiB
Rust
772 lines
21 KiB
Rust
//! Tests for the metabuild feature (declarative build scripts).
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use cargo_test_support::{
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basic_lib_manifest, basic_manifest, is_coarse_mtime, project, registry::Package, rustc_host,
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Project,
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};
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use std::str;
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#[cargo_test]
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fn metabuild_gated() {
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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 = "0.0.1"
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metabuild = ["mb"]
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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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p.cargo("build")
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.masquerade_as_nightly_cargo(&["metabuild"])
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.with_status(101)
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.with_stderr(
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"\
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error: failed to parse manifest at `[..]`
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Caused by:
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feature `metabuild` is required
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The package requires the Cargo feature called `metabuild`, \
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but that feature is not stabilized in this version of Cargo (1.[..]).
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Consider adding `cargo-features = [\"metabuild\"]` to the top of Cargo.toml \
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(above the [package] table) to tell Cargo you are opting in to use this unstable feature.
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See https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#metabuild \
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for more information about the status of this feature.
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",
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)
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.run();
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}
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fn basic_project() -> Project {
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project()
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.file(
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"Cargo.toml",
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r#"
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cargo-features = ["metabuild"]
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[package]
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name = "foo"
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version = "0.0.1"
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metabuild = ["mb", "mb-other"]
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[build-dependencies]
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mb = {path="mb"}
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mb-other = {path="mb-other"}
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"#,
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)
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.file("src/lib.rs", "")
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.file("mb/Cargo.toml", &basic_lib_manifest("mb"))
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.file(
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"mb/src/lib.rs",
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r#"pub fn metabuild() { println!("Hello mb"); }"#,
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)
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.file(
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"mb-other/Cargo.toml",
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r#"
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[package]
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name = "mb-other"
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version = "0.0.1"
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"#,
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)
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.file(
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"mb-other/src/lib.rs",
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r#"pub fn metabuild() { println!("Hello mb-other"); }"#,
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)
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.build()
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}
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#[cargo_test]
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fn metabuild_basic() {
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let p = basic_project();
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p.cargo("build -vv")
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.masquerade_as_nightly_cargo(&["metabuild"])
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.with_stdout_contains("[foo 0.0.1] Hello mb")
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.with_stdout_contains("[foo 0.0.1] Hello mb-other")
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.run();
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}
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#[cargo_test]
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fn metabuild_error_both() {
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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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cargo-features = ["metabuild"]
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[package]
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name = "foo"
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version = "0.0.1"
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metabuild = "mb"
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[build-dependencies]
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mb = {path="mb"}
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"#,
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)
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.file("src/lib.rs", "")
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.file("build.rs", r#"fn main() {}"#)
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.file("mb/Cargo.toml", &basic_lib_manifest("mb"))
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.file(
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"mb/src/lib.rs",
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r#"pub fn metabuild() { println!("Hello mb"); }"#,
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)
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.build();
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p.cargo("build -vv")
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.masquerade_as_nightly_cargo(&["metabuild"])
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.with_status(101)
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.with_stderr_contains(
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"\
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error: failed to parse manifest at [..]
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Caused by:
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cannot specify both `metabuild` and `build`
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",
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)
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.run();
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}
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#[cargo_test]
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fn metabuild_missing_dep() {
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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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cargo-features = ["metabuild"]
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[package]
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name = "foo"
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version = "0.0.1"
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metabuild = "mb"
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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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p.cargo("build -vv")
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.masquerade_as_nightly_cargo(&["metabuild"])
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.with_status(101)
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.with_stderr_contains(
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"\
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error: failed to parse manifest at [..]
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Caused by:
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metabuild package `mb` must be specified in `build-dependencies`",
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)
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.run();
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}
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#[cargo_test]
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fn metabuild_optional_dep() {
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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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cargo-features = ["metabuild"]
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[package]
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name = "foo"
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version = "0.0.1"
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metabuild = "mb"
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[build-dependencies]
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mb = {path="mb", optional=true}
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"#,
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)
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.file("src/lib.rs", "")
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.file("mb/Cargo.toml", &basic_lib_manifest("mb"))
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.file(
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"mb/src/lib.rs",
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r#"pub fn metabuild() { println!("Hello mb"); }"#,
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)
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.build();
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p.cargo("build -vv")
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.masquerade_as_nightly_cargo(&["metabuild"])
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.with_stdout_does_not_contain("[foo 0.0.1] Hello mb")
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.run();
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p.cargo("build -vv --features mb")
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.masquerade_as_nightly_cargo(&["metabuild"])
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.with_stdout_contains("[foo 0.0.1] Hello mb")
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.run();
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}
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#[cargo_test]
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fn metabuild_lib_name() {
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// Test when setting `name` on [lib].
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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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cargo-features = ["metabuild"]
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[package]
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name = "foo"
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version = "0.0.1"
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metabuild = "mb"
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[build-dependencies]
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mb = {path="mb"}
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"#,
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)
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.file("src/lib.rs", "")
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.file(
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"mb/Cargo.toml",
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r#"
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[package]
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name = "mb"
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version = "0.0.1"
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[lib]
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name = "other"
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"#,
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)
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.file(
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"mb/src/lib.rs",
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r#"pub fn metabuild() { println!("Hello mb"); }"#,
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)
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.build();
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p.cargo("build -vv")
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.masquerade_as_nightly_cargo(&["metabuild"])
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.with_stdout_contains("[foo 0.0.1] Hello mb")
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.run();
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}
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#[cargo_test]
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fn metabuild_fresh() {
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if is_coarse_mtime() {
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// This test doesn't work on coarse mtimes very well. Because the
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// metabuild script is created at build time, its mtime is almost
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// always equal to the mtime of the output. The second call to `build`
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// will then think it needs to be rebuilt when it should be fresh.
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return;
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}
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// Check that rebuild is fresh.
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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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cargo-features = ["metabuild"]
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[package]
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name = "foo"
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version = "0.0.1"
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metabuild = "mb"
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[build-dependencies]
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mb = {path="mb"}
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"#,
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)
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.file("src/lib.rs", "")
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.file("mb/Cargo.toml", &basic_lib_manifest("mb"))
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.file(
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"mb/src/lib.rs",
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r#"pub fn metabuild() { println!("Hello mb"); }"#,
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)
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.build();
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p.cargo("build -vv")
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.masquerade_as_nightly_cargo(&["metabuild"])
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.with_stdout_contains("[foo 0.0.1] Hello mb")
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.run();
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p.cargo("build -vv")
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.masquerade_as_nightly_cargo(&["metabuild"])
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.with_stdout_does_not_contain("[foo 0.0.1] Hello mb")
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.with_stderr(
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"\
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[FRESH] mb [..]
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[FRESH] foo [..]
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[FINISHED] dev [..]
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",
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)
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.run();
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}
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#[cargo_test]
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fn metabuild_links() {
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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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cargo-features = ["metabuild"]
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[package]
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name = "foo"
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version = "0.0.1"
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links = "cat"
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metabuild = "mb"
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[build-dependencies]
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mb = {path="mb"}
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"#,
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)
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.file("src/lib.rs", "")
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.file("mb/Cargo.toml", &basic_lib_manifest("mb"))
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.file(
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"mb/src/lib.rs",
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r#"
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pub fn metabuild() {
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assert_eq!(std::env::var("CARGO_MANIFEST_LINKS"),
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Ok("cat".to_string()));
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println!("Hello mb");
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}
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"#,
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)
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.build();
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p.cargo("build -vv")
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.masquerade_as_nightly_cargo(&["metabuild"])
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.with_stdout_contains("[foo 0.0.1] Hello mb")
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.run();
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}
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#[cargo_test]
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fn metabuild_override() {
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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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cargo-features = ["metabuild"]
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[package]
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name = "foo"
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version = "0.0.1"
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links = "cat"
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metabuild = "mb"
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[build-dependencies]
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mb = {path="mb"}
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"#,
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)
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.file("src/lib.rs", "")
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.file("mb/Cargo.toml", &basic_lib_manifest("mb"))
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.file(
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"mb/src/lib.rs",
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r#"pub fn metabuild() { panic!("should not run"); }"#,
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)
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.file(
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".cargo/config",
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&format!(
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r#"
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[target.{}.cat]
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rustc-link-lib = ["a"]
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"#,
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rustc_host()
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),
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)
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.build();
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p.cargo("build -vv")
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.masquerade_as_nightly_cargo(&["metabuild"])
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.run();
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}
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#[cargo_test]
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fn metabuild_workspace() {
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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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[workspace]
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members = ["member1", "member2"]
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"#,
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)
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.file(
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"member1/Cargo.toml",
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r#"
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cargo-features = ["metabuild"]
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[package]
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name = "member1"
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version = "0.0.1"
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metabuild = ["mb1", "mb2"]
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[build-dependencies]
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mb1 = {path="../../mb1"}
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mb2 = {path="../../mb2"}
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"#,
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)
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.file("member1/src/lib.rs", "")
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.file(
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"member2/Cargo.toml",
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r#"
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cargo-features = ["metabuild"]
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[package]
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name = "member2"
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version = "0.0.1"
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metabuild = ["mb1"]
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[build-dependencies]
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mb1 = {path="../../mb1"}
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"#,
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)
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.file("member2/src/lib.rs", "")
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.build();
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project()
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.at("mb1")
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.file("Cargo.toml", &basic_lib_manifest("mb1"))
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.file(
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"src/lib.rs",
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r#"pub fn metabuild() { println!("Hello mb1 {}", std::env::var("CARGO_MANIFEST_DIR").unwrap()); }"#,
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)
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.build();
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project()
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.at("mb2")
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.file("Cargo.toml", &basic_lib_manifest("mb2"))
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.file(
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"src/lib.rs",
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r#"pub fn metabuild() { println!("Hello mb2 {}", std::env::var("CARGO_MANIFEST_DIR").unwrap()); }"#,
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)
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.build();
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p.cargo("build -vv --workspace")
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.masquerade_as_nightly_cargo(&["metabuild"])
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.with_stdout_contains("[member1 0.0.1] Hello mb1 [..]member1")
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.with_stdout_contains("[member1 0.0.1] Hello mb2 [..]member1")
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.with_stdout_contains("[member2 0.0.1] Hello mb1 [..]member2")
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.with_stdout_does_not_contain("[member2 0.0.1] Hello mb2 [..]member2")
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.run();
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}
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#[cargo_test]
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fn metabuild_metadata() {
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// The metabuild Target is filtered out of the `metadata` results.
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let p = basic_project();
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let meta = p
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.cargo("metadata --format-version=1")
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.masquerade_as_nightly_cargo(&["metabuild"])
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.run_json();
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let mb_info: Vec<&str> = meta["packages"]
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.as_array()
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.unwrap()
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.iter()
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.find(|p| p["name"].as_str().unwrap() == "foo")
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.unwrap()["metabuild"]
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.as_array()
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.unwrap()
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.iter()
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.map(|s| s.as_str().unwrap())
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.collect();
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assert_eq!(mb_info, ["mb", "mb-other"]);
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}
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#[cargo_test]
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fn metabuild_build_plan() {
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let p = basic_project();
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p.cargo("build --build-plan -Zunstable-options")
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.masquerade_as_nightly_cargo(&["metabuild", "build-plan"])
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.with_json(
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r#"
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{
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"invocations": [
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{
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"package_name": "mb",
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"package_version": "0.5.0",
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"target_kind": ["lib"],
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"compile_mode": "build",
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"kind": null,
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"deps": [],
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"outputs": [
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"[..]/target/debug/deps/libmb-[..].rlib",
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"[..]/target/debug/deps/libmb-[..].rmeta"
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],
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"links": {},
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"program": "rustc",
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"args": "{...}",
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"env": "{...}",
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"cwd": "[..]"
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},
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{
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"package_name": "mb-other",
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"package_version": "0.0.1",
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"target_kind": ["lib"],
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"compile_mode": "build",
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"kind": null,
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"deps": [],
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"outputs": [
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"[..]/target/debug/deps/libmb_other-[..].rlib",
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"[..]/target/debug/deps/libmb_other-[..].rmeta"
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],
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"links": {},
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"program": "rustc",
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"args": "{...}",
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"env": "{...}",
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"cwd": "[..]"
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},
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{
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"package_name": "foo",
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"package_version": "0.0.1",
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"target_kind": ["custom-build"],
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"compile_mode": "build",
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"kind": null,
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"deps": [0, 1],
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"outputs": "{...}",
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"links": "{...}",
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"program": "rustc",
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"args": "{...}",
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"env": "{...}",
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"cwd": "[..]"
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},
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{
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"package_name": "foo",
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"package_version": "0.0.1",
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"target_kind": ["custom-build"],
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"compile_mode": "run-custom-build",
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"kind": null,
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"deps": [2],
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"outputs": [],
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"links": {},
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"program": "[..]/foo/target/debug/build/foo-[..]/metabuild-foo",
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"args": [],
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"env": "{...}",
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"cwd": "[..]"
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},
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{
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"package_name": "foo",
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"package_version": "0.0.1",
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"target_kind": ["lib"],
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"compile_mode": "build",
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"kind": null,
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"deps": [3],
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"outputs": [
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"[..]/foo/target/debug/deps/libfoo-[..].rlib",
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"[..]/foo/target/debug/deps/libfoo-[..].rmeta"
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],
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"links": "{...}",
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"program": "rustc",
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"args": "{...}",
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"env": "{...}",
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"cwd": "[..]"
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}
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],
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"inputs": [
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"[..]/foo/Cargo.toml",
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"[..]/foo/mb/Cargo.toml",
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"[..]/foo/mb-other/Cargo.toml"
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]
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}
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"#,
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)
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.run();
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assert_eq!(p.glob("target/.metabuild/metabuild-foo-*.rs").count(), 1);
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}
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|
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#[cargo_test]
|
|
fn metabuild_two_versions() {
|
|
// Two versions of a metabuild dep with the same name.
|
|
let p = project()
|
|
.at("ws")
|
|
.file(
|
|
"Cargo.toml",
|
|
r#"
|
|
[workspace]
|
|
members = ["member1", "member2"]
|
|
"#,
|
|
)
|
|
.file(
|
|
"member1/Cargo.toml",
|
|
r#"
|
|
cargo-features = ["metabuild"]
|
|
[package]
|
|
name = "member1"
|
|
version = "0.0.1"
|
|
metabuild = ["mb"]
|
|
|
|
[build-dependencies]
|
|
mb = {path="../../mb1"}
|
|
"#,
|
|
)
|
|
.file("member1/src/lib.rs", "")
|
|
.file(
|
|
"member2/Cargo.toml",
|
|
r#"
|
|
cargo-features = ["metabuild"]
|
|
[package]
|
|
name = "member2"
|
|
version = "0.0.1"
|
|
metabuild = ["mb"]
|
|
|
|
[build-dependencies]
|
|
mb = {path="../../mb2"}
|
|
"#,
|
|
)
|
|
.file("member2/src/lib.rs", "")
|
|
.build();
|
|
|
|
project().at("mb1")
|
|
.file("Cargo.toml", r#"
|
|
[package]
|
|
name = "mb"
|
|
version = "0.0.1"
|
|
"#)
|
|
.file(
|
|
"src/lib.rs",
|
|
r#"pub fn metabuild() { println!("Hello mb1 {}", std::env::var("CARGO_MANIFEST_DIR").unwrap()); }"#,
|
|
)
|
|
.build();
|
|
|
|
project().at("mb2")
|
|
.file("Cargo.toml", r#"
|
|
[package]
|
|
name = "mb"
|
|
version = "0.0.2"
|
|
"#)
|
|
.file(
|
|
"src/lib.rs",
|
|
r#"pub fn metabuild() { println!("Hello mb2 {}", std::env::var("CARGO_MANIFEST_DIR").unwrap()); }"#,
|
|
)
|
|
.build();
|
|
|
|
p.cargo("build -vv --workspace")
|
|
.masquerade_as_nightly_cargo(&["metabuild"])
|
|
.with_stdout_contains("[member1 0.0.1] Hello mb1 [..]member1")
|
|
.with_stdout_contains("[member2 0.0.1] Hello mb2 [..]member2")
|
|
.run();
|
|
|
|
assert_eq!(
|
|
p.glob("target/.metabuild/metabuild-member?-*.rs").count(),
|
|
2
|
|
);
|
|
}
|
|
|
|
#[cargo_test]
|
|
fn metabuild_external_dependency() {
|
|
Package::new("mb", "1.0.0")
|
|
.file("Cargo.toml", &basic_manifest("mb", "1.0.0"))
|
|
.file(
|
|
"src/lib.rs",
|
|
r#"pub fn metabuild() { println!("Hello mb"); }"#,
|
|
)
|
|
.publish();
|
|
Package::new("dep", "1.0.0")
|
|
.file(
|
|
"Cargo.toml",
|
|
r#"
|
|
cargo-features = ["metabuild"]
|
|
[package]
|
|
name = "dep"
|
|
version = "1.0.0"
|
|
metabuild = ["mb"]
|
|
|
|
[build-dependencies]
|
|
mb = "1.0"
|
|
"#,
|
|
)
|
|
.file("src/lib.rs", "")
|
|
.build_dep("mb", "1.0.0")
|
|
.publish();
|
|
|
|
let p = project()
|
|
.file(
|
|
"Cargo.toml",
|
|
r#"
|
|
[package]
|
|
name = "foo"
|
|
version = "0.0.1"
|
|
[dependencies]
|
|
dep = "1.0"
|
|
"#,
|
|
)
|
|
.file("src/lib.rs", "extern crate dep;")
|
|
.build();
|
|
|
|
p.cargo("build -vv")
|
|
.masquerade_as_nightly_cargo(&["metabuild"])
|
|
.with_stdout_contains("[dep 1.0.0] Hello mb")
|
|
.run();
|
|
|
|
assert_eq!(p.glob("target/.metabuild/metabuild-dep-*.rs").count(), 1);
|
|
}
|
|
|
|
#[cargo_test]
|
|
fn metabuild_json_artifact() {
|
|
let p = basic_project();
|
|
p.cargo("build --message-format=json")
|
|
.masquerade_as_nightly_cargo(&["metabuild"])
|
|
.with_json_contains_unordered(
|
|
r#"
|
|
{
|
|
"executable": null,
|
|
"features": [],
|
|
"filenames": "{...}",
|
|
"fresh": false,
|
|
"package_id": "foo [..]",
|
|
"manifest_path": "[..]",
|
|
"profile": "{...}",
|
|
"reason": "compiler-artifact",
|
|
"target": {
|
|
"crate_types": [
|
|
"bin"
|
|
],
|
|
"doc": false,
|
|
"doctest": false,
|
|
"edition": "2018",
|
|
"kind": [
|
|
"custom-build"
|
|
],
|
|
"name": "metabuild-foo",
|
|
"src_path": "[..]/foo/target/.metabuild/metabuild-foo-[..].rs",
|
|
"test": false
|
|
}
|
|
}
|
|
|
|
{
|
|
"cfgs": [],
|
|
"env": [],
|
|
"linked_libs": [],
|
|
"linked_paths": [],
|
|
"package_id": "foo [..]",
|
|
"out_dir": "[..]",
|
|
"reason": "build-script-executed"
|
|
}
|
|
"#,
|
|
)
|
|
.run();
|
|
}
|
|
|
|
#[cargo_test]
|
|
fn metabuild_failed_build_json() {
|
|
let p = basic_project();
|
|
// Modify the metabuild dep so that it fails to compile.
|
|
p.change_file("mb/src/lib.rs", "");
|
|
p.cargo("build --message-format=json")
|
|
.masquerade_as_nightly_cargo(&["metabuild"])
|
|
.with_status(101)
|
|
.with_json_contains_unordered(
|
|
r#"
|
|
{
|
|
"message": {
|
|
"children": "{...}",
|
|
"code": "{...}",
|
|
"level": "error",
|
|
"message": "cannot find function `metabuild` in [..] `mb`",
|
|
"rendered": "{...}",
|
|
"spans": "{...}"
|
|
},
|
|
"package_id": "foo [..]",
|
|
"manifest_path": "[..]",
|
|
"reason": "compiler-message",
|
|
"target": {
|
|
"crate_types": [
|
|
"bin"
|
|
],
|
|
"doc": false,
|
|
"doctest": false,
|
|
"edition": "2018",
|
|
"kind": [
|
|
"custom-build"
|
|
],
|
|
"name": "metabuild-foo",
|
|
"src_path": null,
|
|
"test": false
|
|
}
|
|
}
|
|
"#,
|
|
)
|
|
.run();
|
|
}
|