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Include former name of renamed lints in lints.json #10443

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merged 1 commit into from
Mar 4, 2023
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Include former name of renamed lints in lints.json #10443

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7 changes: 6 additions & 1 deletion clippy_lints/src/utils/internal_lints/metadata_collector.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -26,7 +26,7 @@ use rustc_session::{declare_tool_lint, impl_lint_pass};
use rustc_span::symbol::Ident;
use rustc_span::{sym, Loc, Span, Symbol};
use serde::{ser::SerializeStruct, Serialize, Serializer};
use std::collections::BinaryHeap;
use std::collections::{BTreeSet, BinaryHeap};
use std::fmt;
use std::fmt::Write as _;
use std::fs::{self, OpenOptions};
Expand Down Expand Up @@ -264,6 +264,9 @@ struct LintMetadata {
/// This field is only used in the output and will only be
/// mapped shortly before the actual output.
applicability: Option<ApplicabilityInfo>,
/// All the past names of lints which have been renamed.
#[serde(skip_serializing_if = "BTreeSet::is_empty")]
former_ids: BTreeSet<String>,
}

impl LintMetadata {
Expand All @@ -283,6 +286,7 @@ impl LintMetadata {
version,
docs,
applicability: None,
former_ids: BTreeSet::new(),
}
}
}
Expand Down Expand Up @@ -901,6 +905,7 @@ fn collect_renames(lints: &mut Vec<LintMetadata>) {
if name == lint_name;
if let Some(past_name) = k.strip_prefix(CLIPPY_LINT_GROUP_PREFIX);
then {
lint.former_ids.insert(past_name.to_owned());
writeln!(collected, "* `{past_name}`").unwrap();
names.push(past_name.to_string());
}
Expand Down