cowwoc commented on code in PR #394:
URL:
https://github.com/apache/maven-build-cache-extension/pull/394#discussion_r2570007052
##########
src/main/java/org/apache/maven/buildcache/CacheControllerImpl.java:
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@@ -567,6 +660,58 @@ public void save(
} catch (Exception ex) {
LOGGER.error("Failed to clean cache due to unexpected error:",
ex);
}
+ } finally {
+ // Cleanup project state to free memory, but preserve
stagingDirectory for restore
+ // Note: stagingDirectory must persist until
restoreStagedArtifacts() is called
+ state.attachedResourcesPathsById.clear();
+ state.attachedResourceCounter = 0;
+ state.restoredOutputClassifiers.clear();
+ // stagingDirectory is NOT cleared here - it's cleared in
restoreStagedArtifacts()
+ }
+ }
+
+ /**
+ * Saves a project artifact to cache, handling both regular files and
directory artifacts.
+ * Directory artifacts (e.g., target/classes from compile-only builds) are
zipped before saving
+ * since Files.copy() cannot handle directories.
+ */
+ private void saveProjectArtifact(
+ CacheResult cacheResult, org.apache.maven.artifact.Artifact
projectArtifact, MavenProject project)
+ throws IOException {
+ File originalFile = projectArtifact.getFile();
+ try {
+ if (originalFile.isDirectory()) {
+ saveDirectoryArtifact(cacheResult, projectArtifact, project,
originalFile);
+ } else {
+ // Regular file (JAR/WAR) - save directly
+ localCache.saveArtifactFile(cacheResult, projectArtifact);
+ }
+ } finally {
+ // Restore original file reference in case it was temporarily
changed
+ projectArtifact.setFile(originalFile);
+ }
+ }
+
+ /**
+ * Saves a directory artifact by zipping it first, then saving the zip to
cache.
+ */
+ private void saveDirectoryArtifact(
+ CacheResult cacheResult,
+ org.apache.maven.artifact.Artifact projectArtifact,
+ MavenProject project,
+ File originalFile)
+ throws IOException {
+ Path tempZip = Files.createTempFile("maven-cache-", "-" +
project.getArtifactId() + ".zip");
+ boolean hasFiles = CacheUtils.zip(originalFile.toPath(), tempZip, "*");
Review Comment:
Got it. Thanks!
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