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Auto merge of #9263 - Aaron1011:zero-incompat-note, r=ehuss

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Emit note when `--future-incompat-report` had nothing to report
This commit is contained in:
bors 2021-03-22 22:59:56 +00:00
commit 58a9613144
2 changed files with 27 additions and 3 deletions
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13
src/cargo/core/compiler/job_queue.rs
View file

@ -808,9 +808,16 @@ impl<'cfg> DrainState<'cfg> {
}
fn emit_future_incompat(&mut self, cx: &mut Context<'_, '_>) {
if cx.bcx.config.cli_unstable().enable_future_incompat_feature
&& !self.per_crate_future_incompat_reports.is_empty()
{
if cx.bcx.config.cli_unstable().enable_future_incompat_feature {
if self.per_crate_future_incompat_reports.is_empty() {
drop(
cx.bcx
.config
.shell()
.note("0 dependencies had future-incompat warnings"),
);
return;
}
self.per_crate_future_incompat_reports
.sort_by_key(|r| r.package_id);

17
tests/testsuite/future_incompat_report.rs
View file

@ -51,6 +51,23 @@ fn gate_future_incompat_report() {
.run();
}
#[cargo_test]
fn test_zero_future_incompat() {
if !is_nightly() {
return;
}
let p = project()
.file("Cargo.toml", &basic_manifest("foo", "0.0.0"))
.file("src/main.rs", "fn main() {}")
.build();
p.cargo("build --future-incompat-report -Z unstable-options -Z future-incompat-report")
.masquerade_as_nightly_cargo()
.with_stderr_contains("note: 0 dependencies had future-incompat warnings")
.run();
}
#[cargo_test]
fn test_single_crate() {
if !is_nightly() {