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Merge branch 'stable-4.4'

* stable-4.4:
  JGit v4.4.1.201607150455-r
  RefDirectory: remove ref lock file for following ref dir removal

Change-Id: Ifc8a782efd7f2f991e70ad2a3691a8dba66c7554
Signed-off-by: David Pursehouse <david.pursehouse@gmail.com>
stable-4.5
David Pursehouse 8 years ago
parent
commit
0be8021819
  1. 14
      org.eclipse.jgit.test/tst/org/eclipse/jgit/internal/storage/file/GcPackRefsTest.java
  2. 19
      org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/RefDirectory.java

14
org.eclipse.jgit.test/tst/org/eclipse/jgit/internal/storage/file/GcPackRefsTest.java

@ -45,11 +45,14 @@ package org.eclipse.jgit.internal.storage.file;
import static java.lang.Integer.valueOf;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertSame;
import java.io.File;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.concurrent.BrokenBarrierException;
import java.util.concurrent.Callable;
import java.util.concurrent.CyclicBarrier;
@ -80,6 +83,17 @@ public class GcPackRefsTest extends GcTestCase {
assertSame(repo.exactRef("refs/tags/t").getStorage(), Storage.PACKED);
}
@Test
public void emptyRefDirectoryDeleted() throws Exception {
String ref = "dir/ref";
tr.branch(ref).commit().create();
String name = repo.findRef(ref).getName();
Path dir = repo.getDirectory().toPath().resolve(name).getParent();
gc.packRefs();
assertFalse(Files.exists(dir));
}
@Test
public void concurrentOnlyOneWritesPackedRefs() throws Exception {
RevBlob a = tr.blob("a");

19
org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/RefDirectory.java

@ -688,7 +688,7 @@ public class RefDirectory extends RefDatabase {
newLoose = curLoose.remove(idx);
} while (!looseRefs.compareAndSet(curLoose, newLoose));
int levels = levelsIn(refName) - 2;
delete(fileFor(refName), levels);
delete(refFile, levels, rLck);
}
} finally {
rLck.unlock();
@ -1062,13 +1062,24 @@ public class RefDirectory extends RefDatabase {
}
static void delete(final File file, final int depth) throws IOException {
if (!file.delete() && file.isFile())
throw new IOException(MessageFormat.format(JGitText.get().fileCannotBeDeleted, file));
delete(file, depth, null);
}
private static void delete(final File file, final int depth, LockFile rLck)
throws IOException {
if (!file.delete() && file.isFile()) {
throw new IOException(MessageFormat.format(
JGitText.get().fileCannotBeDeleted, file));
}
if (rLck != null) {
rLck.unlock(); // otherwise cannot delete dir below
}
File dir = file.getParentFile();
for (int i = 0; i < depth; ++i) {
if (!dir.delete())
if (!dir.delete()) {
break; // ignore problem here
}
dir = dir.getParentFile();
}
}

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