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JavaScript: Make in-dist trap cache read-only.

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This commit is contained in:
Max Schaefer
2018-11-12 08:33:07 +00:00
parent 032ed12242
commit 01b43dff72
1 changed files with 10 additions and 2 deletions
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12
javascript/extractor/src/com/semmle/js/extractor/AutoBuild.java
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@@ -380,8 +380,16 @@ public class AutoBuild {
ITrapCache trapCache = this.trapCache;
if (trapCache instanceof DummyTrapCache) {
Path trapCachePath = SEMMLE_DIST.resolve(".cache").resolve("trap-cache").resolve("javascript");
if (Files.isDirectory(trapCachePath))
trapCache = new DefaultTrapCache(trapCachePath.toString(), null, Main.EXTRACTOR_VERSION);
if (Files.isDirectory(trapCachePath)) {
trapCache = new DefaultTrapCache(trapCachePath.toString(), null, Main.EXTRACTOR_VERSION) {
@Override
public File lookup(String source, ExtractorConfig config, FileType type) {
File f = super.lookup(source, config, type);
// only return `f` if it exists; this has the effect of making the cache read-only
return f.exists() ? f : null;
}
};
}
}
FileExtractor extractor = new FileExtractor(config, outputConfig, trapCache, extractorState);