Auto merge of #11353 - weihanglo:issue/10527, r=epage

Propagate change of artifact bin dep to its parent fingerprint
This commit is contained in:
bors 2022-11-10 02:30:46 +00:00
commit 9865dde6d0
2 changed files with 84 additions and 14 deletions

View File

@ -1254,20 +1254,24 @@ fn calculate(cx: &mut Context<'_, '_>, unit: &Unit) -> CargoResult<Arc<Fingerpri
/// Calculate a fingerprint for a "normal" unit, or anything that's not a build
/// script. This is an internal helper of `calculate`, don't call directly.
fn calculate_normal(cx: &mut Context<'_, '_>, unit: &Unit) -> CargoResult<Fingerprint> {
// Recursively calculate the fingerprint for all of our dependencies.
//
// Skip fingerprints of binaries because they don't actually induce a
// recompile, they're just dependencies in the sense that they need to be
// built.
//
// Create Vec since mutable cx is needed in closure.
let deps = Vec::from(cx.unit_deps(unit));
let mut deps = deps
.into_iter()
.filter(|dep| !dep.unit.target.is_bin())
.map(|dep| DepFingerprint::new(cx, unit, &dep))
.collect::<CargoResult<Vec<_>>>()?;
deps.sort_by(|a, b| a.pkg_id.cmp(&b.pkg_id));
let deps = {
// Recursively calculate the fingerprint for all of our dependencies.
//
// Skip fingerprints of binaries because they don't actually induce a
// recompile, they're just dependencies in the sense that they need to be
// built. The only exception here are artifact dependencies,
// which is an actual dependency that needs a recompile.
//
// Create Vec since mutable cx is needed in closure.
let deps = Vec::from(cx.unit_deps(unit));
let mut deps = deps
.into_iter()
.filter(|dep| !dep.unit.target.is_bin() || dep.unit.artifact.is_true())
.map(|dep| DepFingerprint::new(cx, unit, &dep))
.collect::<CargoResult<Vec<_>>>()?;
deps.sort_by(|a, b| a.pkg_id.cmp(&b.pkg_id));
deps
};
// Afterwards calculate our own fingerprint information.
let target_root = target_root(cx);

View File

@ -2276,3 +2276,69 @@ fn build_script_features_for_shared_dependency() {
.masquerade_as_nightly_cargo(&["bindeps"])
.run();
}
#[cargo_test]
fn calc_bin_artifact_fingerprint() {
// See rust-lang/cargo#10527
let p = project()
.file(
"Cargo.toml",
r#"
[package]
name = "foo"
version = "0.1.0"
resolver = "2"
[dependencies]
bar = { path = "bar/", artifact = "bin" }
"#,
)
.file(
"src/main.rs",
r#"
fn main() {
let _b = include_bytes!(env!("CARGO_BIN_FILE_BAR"));
}
"#,
)
.file("bar/Cargo.toml", &basic_bin_manifest("bar"))
.file("bar/src/main.rs", r#"fn main() { println!("foo") }"#)
.build();
p.cargo("check -Z bindeps")
.masquerade_as_nightly_cargo(&["bindeps"])
.with_stderr(
"\
[COMPILING] bar v0.5.0 ([CWD]/bar)
[CHECKING] foo v0.1.0 ([CWD])
[FINISHED] dev [unoptimized + debuginfo] target(s) in [..]
",
)
.run();
p.change_file("bar/src/main.rs", r#"fn main() { println!("bar") }"#);
// Change in artifact bin dep `bar` propagates to `foo`, triggering recompile.
p.cargo("check -v -Z bindeps")
.masquerade_as_nightly_cargo(&["bindeps"])
.with_stderr(
"\
[COMPILING] bar v0.5.0 ([CWD]/bar)
[RUNNING] `rustc --crate-name bar [..]`
[CHECKING] foo v0.1.0 ([CWD])
[RUNNING] `rustc --crate-name foo [..]`
[FINISHED] dev [unoptimized + debuginfo] target(s) in [..]
",
)
.run();
// All units are fresh. No recompile.
p.cargo("check -v -Z bindeps")
.masquerade_as_nightly_cargo(&["bindeps"])
.with_stderr(
"\
[FRESH] bar v0.5.0 ([CWD]/bar)
[FRESH] foo v0.1.0 ([CWD])
[FINISHED] dev [unoptimized + debuginfo] target(s) in [..]
",
)
.run();
}