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Guard against duplicate matchers in build script

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cyqsimon 2023-11-05 01:18:08 +08:00
parent de6d418d42
commit 0c93ca80f4
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GPG key ID: 1D8CE2F297390D65
1 changed files with 10 additions and 2 deletions
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12
build/syntax_mapping.rs
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@ -38,7 +38,7 @@ impl MappingTarget {
}
}
#[derive(Clone, Debug, DeserializeFromStr)]
#[derive(Clone, Debug, PartialEq, Eq, Hash, DeserializeFromStr)]
/// A single matcher.
///
/// Codegen converts this into a `Lazy<GlobMatcher>`.
@ -124,7 +124,7 @@ impl Matcher {
/// A segment in a matcher.
///
/// Corresponds to `syntax_mapping::MatcherSegment`.
#[derive(Debug, Clone)]
#[derive(Debug, Clone, PartialEq, Eq, Hash)]
enum MatcherSegment {
Text(String),
Env(String),
@ -196,6 +196,14 @@ fn read_all_mappings() -> anyhow::Result<MappingList> {
all_mappings.extend(mappings.0);
}
let duplicates = all_mappings
.iter()
.duplicates_by(|(matcher, _)| matcher)
.collect_vec();
if !duplicates.is_empty() {
bail!("Rules with duplicate matchers found: {duplicates:?}");
}
Ok(MappingList(all_mappings))
}