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Merge branch 'stable-5.6' 

* stable-5.6:
  Silence API errors introduced by 093fbbd1
  Bump Bazel version to 2.2.0
  Expose FileStoreAttributes.setBackground()
  Update reftable storage repo layout

Change-Id: I237eaaed7991e8bbd56a7624f47bbba985330026
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>
stable-5.8
Matthias Sohn 5 years ago
parent
d7f304045a 2415571370
commit
fb0858e9c9
8 changed files with 184 additions and 61 deletions
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  1. 2
      .bazelversion
  2. 42
      org.eclipse.jgit.test/tst/org/eclipse/jgit/internal/storage/file/FileReftableTest.java
  3. 28
      org.eclipse.jgit/.settings/.api_filters
  4. 25
      org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/FileReftableDatabase.java
  5. 114
      org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/FileRepository.java
  6. 13
      org.eclipse.jgit/src/org/eclipse/jgit/lib/ConfigConstants.java
  7. 6
      org.eclipse.jgit/src/org/eclipse/jgit/lib/Constants.java
  8. 13
      org.eclipse.jgit/src/org/eclipse/jgit/util/FS.java

2
.bazelversion
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@ -1 +1 @@
2.1.0
2.2.0

42
org.eclipse.jgit.test/tst/org/eclipse/jgit/internal/storage/file/FileReftableTest.java
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@ -91,11 +91,6 @@ public class FileReftableTest extends SampleDataRepositoryTestCase {
}
}
@Test
public void additionalRefsAreRemoved() {
assertFalse(new File(db.getDirectory(), Constants.HEAD).exists());
}
@Test
public void testCompactFully() throws Exception {
ObjectId c1 = db.resolve("master^^");
@ -108,9 +103,16 @@ public class FileReftableTest extends SampleDataRepositoryTestCase {
}
File tableDir = new File(db.getDirectory(), Constants.REFTABLE);
assertTrue(tableDir.listFiles().length > 1);
assertTrue(tableDir.listFiles().length > 2);
((FileReftableDatabase)db.getRefDatabase()).compactFully();
assertEquals(tableDir.listFiles().length,1);
assertEquals(tableDir.listFiles().length,2);
}
@Test
public void testOpenConvert() throws Exception {
try (FileRepository repo = new FileRepository(db.getDirectory())) {
assertTrue(repo.getRefDatabase() instanceof FileReftableDatabase);
}
}
@Test
@ -129,7 +131,7 @@ public class FileReftableTest extends SampleDataRepositoryTestCase {
@Test
public void testConvertToRefdir() throws Exception {
db.convertToPackedRefs(false);
db.convertToPackedRefs(false, false);
assertTrue(db.getRefDatabase() instanceof RefDirectory);
Ref h = db.exactRef("HEAD");
assertTrue(h.isSymbolic());
@ -143,6 +145,30 @@ public class FileReftableTest extends SampleDataRepositoryTestCase {
assertFalse(db.getRefDatabase().hasFastTipsWithSha1());
}
@Test
public void testConvertToRefdirReflog() throws Exception {
Ref a = db.exactRef("refs/heads/a");
String aCommit = a.getObjectId().getName();
RefUpdate u = db.updateRef("refs/heads/master");
u.setForceUpdate(true);
u.setNewObjectId(ObjectId.fromString(aCommit));
u.setForceRefLog(true);
u.setRefLogMessage("apple", false);
u.update();
RefUpdate v = db.updateRef("refs/heads/master");
v.setForceUpdate(true);
v.setNewObjectId(ObjectId.fromString(bCommit));
v.setForceRefLog(true);
v.setRefLogMessage("banana", false);
v.update();
db.convertToPackedRefs(true, false);
List<ReflogEntry> logs = db.getReflogReader("refs/heads/master").getReverseEntries(2);
assertEquals(logs.get(0).getComment(), "banana");
assertEquals(logs.get(1).getComment(), "apple");
}
@Test
public void testBatchrefUpdate() throws Exception {
ObjectId cur = db.resolve("master");

28
org.eclipse.jgit/.settings/.api_filters
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@ -37,6 +37,26 @@
<message_argument value="CONFIG_KEY_PACKED_GIT_WINDOWSIZE"/>
</message_arguments>
</filter>
<filter id="1142947843">
<message_arguments>
<message_argument value="5.6.2"/>
<message_argument value="CONFIG_EXTENSIONS_SECTION"/>
</message_arguments>
</filter>
<filter id="1142947843">
<message_arguments>
<message_argument value="5.6.2"/>
<message_argument value="CONFIG_KEY_REF_STORAGE"/>
</message_arguments>
</filter>
</resource>
<resource path="src/org/eclipse/jgit/lib/Constants.java" type="org.eclipse.jgit.lib.Constants">
<filter id="1142947843">
<message_arguments>
<message_argument value="5.6.2"/>
<message_argument value="TABLES_LIST"/>
</message_arguments>
</filter>
</resource>
<resource path="src/org/eclipse/jgit/storage/file/WindowCacheConfig.java" type="org.eclipse.jgit.storage.file.WindowCacheConfig">
<filter id="1142947843">
@ -69,6 +89,14 @@
</message_arguments>
</filter>
</resource>
<resource path="src/org/eclipse/jgit/util/FS.java" type="org.eclipse.jgit.util.FS$FileStoreAttributes">
<filter id="1226833923">
<message_arguments>
<message_argument value="5.6.2"/>
<message_argument value="setBackground(boolean)"/>
</message_arguments>
</filter>
</resource>
<resource path="src/org/eclipse/jgit/util/Monitoring.java" type="org.eclipse.jgit.util.Monitoring">
<filter id="1109393411">
<message_arguments>

25
org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/FileReftableDatabase.java
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@ -64,6 +64,11 @@ public class FileReftableDatabase extends RefDatabase {
private final FileReftableStack reftableStack;
FileReftableDatabase(FileRepository repo) throws IOException {
this(repo, new File(new File(repo.getDirectory(), Constants.REFTABLE),
Constants.TABLES_LIST));
}
FileReftableDatabase(FileRepository repo, File refstackName) throws IOException {
this.fileRepository = repo;
this.reftableStack = new FileReftableStack(refstackName,
@ -88,8 +93,7 @@ public class FileReftableDatabase extends RefDatabase {
* @return whether the given repo uses reftable for refdb storage.
*/
public static boolean isReftable(File repoDir) {
return new File(repoDir, "refs").isFile() //$NON-NLS-1$
&& new File(repoDir, Constants.REFTABLE).isDirectory();
return new File(repoDir, Constants.REFTABLE).isDirectory();
}
/** {@inheritDoc} */
@ -593,8 +597,6 @@ public class FileReftableDatabase extends RefDatabase {
/**
* @param repo
* the repository
* @param refstackName
* the filename for the stack
* @param writeLogs
* whether to write reflogs
* @return a reftable based RefDB from an existing repository.
@ -602,22 +604,25 @@ public class FileReftableDatabase extends RefDatabase {
* on IO error
*/
public static FileReftableDatabase convertFrom(FileRepository repo,
File refstackName, boolean writeLogs) throws IOException {
boolean writeLogs) throws IOException {
FileReftableDatabase newDb = null;
File reftableList = null;
try {
File reftableDir = new File(repo.getDirectory(), Constants.REFTABLE);
File reftableDir = new File(repo.getDirectory(),
Constants.REFTABLE);
reftableList = new File(reftableDir, Constants.TABLES_LIST);
if (!reftableDir.isDirectory()) {
reftableDir.mkdir();
}
try (FileReftableStack stack = new FileReftableStack(refstackName,
try (FileReftableStack stack = new FileReftableStack(reftableList,
reftableDir, null, () -> repo.getConfig())) {
stack.addReftable(rw -> writeConvertTable(repo, rw, writeLogs));
}
refstackName = null;
reftableList = null;
} finally {
if (refstackName != null) {
refstackName.delete();
if (reftableList != null) {
reftableList.delete();
}
}
return newDb;

114
org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/FileRepository.java
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@ -18,10 +18,13 @@ import static java.util.stream.Collectors.toList;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.text.MessageFormat;
import java.text.ParseException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashSet;
import java.util.List;
import java.util.Locale;
@ -50,6 +53,7 @@ import org.eclipse.jgit.lib.ProgressMonitor;
import org.eclipse.jgit.lib.Ref;
import org.eclipse.jgit.lib.RefDatabase;
import org.eclipse.jgit.lib.RefUpdate;
import org.eclipse.jgit.lib.ReflogEntry;
import org.eclipse.jgit.lib.ReflogReader;
import org.eclipse.jgit.lib.Repository;
import org.eclipse.jgit.lib.StoredConfig;
@ -173,20 +177,17 @@ public class FileRepository extends Repository {
String reftype = repoConfig.getString(
ConfigConstants.CONFIG_EXTENSIONS_SECTION, null,
ConfigConstants.CONFIG_KEY_REFSTORAGE);
ConfigConstants.CONFIG_KEY_REF_STORAGE);
if (repositoryFormatVersion >= 1 && reftype != null) {
if (StringUtils.equalsIgnoreCase(reftype,
ConfigConstants.CONFIG_REFSTORAGE_REFTABLE)) {
refs = new FileReftableDatabase(this,
new File(getDirectory(), "refs")); //$NON-NLS-1$
ConfigConstants.CONFIG_REF_STORAGE_REFTABLE)) {
refs = new FileReftableDatabase(this);
} else if (StringUtils.equalsIgnoreCase(reftype,
ConfigConstants.CONFIG_REFSTORAGE_REFTREE)) {
refs = new RefTreeDatabase(this, new RefDirectory(this));
} else {
throw new IOException(JGitText.get().unknownRepositoryFormat);
}
} else if (FileReftableDatabase.isReftable(getDirectory())) {
refs = new FileReftableDatabase(this, new File(getDirectory(), "refs")); //$NON-NLS-1$
} else {
refs = new RefDirectory(this);
}
@ -610,15 +611,18 @@ public class FileRepository extends Repository {
* Converts the RefDatabase from reftable to RefDirectory. This operation is
* not atomic.
*
* @param writeLogs
* whether to write reflogs
* @param backup
* whether to rename or delete the old storage files. If set to
* true, the reftable list is left in "refs.old", and the
* reftable/ dir is left alone. If set to false, the reftable/
* dir is removed, and "refs" file is removed.
* {@code true}, the reftable list is left in {@code refs.old},
* and the {@code reftable/} dir is left alone. If set to
* {@code false}, the {@code reftable/} dir is removed, and
* {@code refs} file is removed.
* @throws IOException
* on IO problem
*/
void convertToPackedRefs(boolean backup) throws IOException {
void convertToPackedRefs(boolean writeLogs, boolean backup) throws IOException {
List<Ref> all = refs.getRefs();
File packedRefs = new File(getDirectory(), Constants.PACKED_REFS);
if (packedRefs.exists()) {
@ -627,26 +631,26 @@ public class FileRepository extends Repository {
}
File refsFile = new File(getDirectory(), "refs"); //$NON-NLS-1$
refs.close();
if (backup) {
File refsOld = new File(getDirectory(), "refs.old"); //$NON-NLS-1$
if (refsOld.exists()) {
throw new IOException(MessageFormat.format(
JGitText.get().fileAlreadyExists,
"refs.old")); //$NON-NLS-1$
}
FileUtils.rename(refsFile, refsOld);
} else {
File refsHeadsFile = new File(refsFile, "heads");//$NON-NLS-1$
File headFile = new File(getDirectory(), Constants.HEAD);
FileReftableDatabase oldDb = (FileReftableDatabase) refs;
// Remove the dummy files that ensure compatibility with older git
// versions (see convertToReftable). First make room for refs/heads/
refsHeadsFile.delete();
// RefDirectory wants to create the refs/ directory from scratch, so
// remove that too.
refsFile.delete();
}
// remove HEAD so its previous invalid value doesn't cause issues.
headFile.delete();
// This is not atomic, but there is no way to instantiate a RefDirectory
// that is disconnected from the current repo.
refs = new RefDirectory(this);
RefDirectory refDir = new RefDirectory(this);
refs = refDir;
refs.create();
ReflogWriter logWriter = refDir.newLogWriter(true);
List<Ref> symrefs = new ArrayList<>();
BatchRefUpdate bru = refs.newBatchUpdate();
for (Ref r : all) {
@ -656,6 +660,15 @@ public class FileRepository extends Repository {
bru.addCommand(new ReceiveCommand(ObjectId.zeroId(),
r.getObjectId(), r.getName()));
}
if (writeLogs) {
List<ReflogEntry> logs = oldDb.getReflogReader(r.getName())
.getReverseEntries();
Collections.reverse(logs);
for (ReflogEntry e : logs) {
logWriter.log(r.getName(), e);
}
}
}
try (RevWalk rw = new RevWalk(this)) {
@ -691,24 +704,39 @@ public class FileRepository extends Repository {
FileUtils.delete(reftableDir,
FileUtils.RECURSIVE | FileUtils.IGNORE_ERRORS);
}
repoConfig.unset(ConfigConstants.CONFIG_EXTENSIONS_SECTION, null,
ConfigConstants.CONFIG_KEY_REFSTORAGE);
ConfigConstants.CONFIG_KEY_REF_STORAGE);
repoConfig.save();
}
/**
* Converts the RefDatabase from RefDirectory to reftable. This operation is
* not atomic.
*
* @param writeLogs
* whether to write reflogs
* @param backup
* whether to rename or delete the old storage files. If set to
* {@code true}, the loose refs are left in {@code refs.old}, the
* packed-refs in {@code packed-refs.old} and reflogs in
* {@code refs.old/}. HEAD is left in {@code HEAD.old} and also
* {@code .log} is appended to additional refs. If set to
* {@code false}, the {@code refs/} and {@code logs/} directories
* and {@code HEAD} and additional symbolic refs are removed.
* @throws IOException
* on IO problem
*/
@SuppressWarnings("nls")
void convertToReftable(boolean writeLogs, boolean backup)
throws IOException {
File newRefs = new File(getDirectory(), "refs.new");
File reftableDir = new File(getDirectory(), Constants.REFTABLE);
File headFile = new File(getDirectory(), Constants.HEAD);
if (reftableDir.exists() && reftableDir.listFiles().length > 0) {
throw new IOException(JGitText.get().reftableDirExists);
}
// Ignore return value, as it is tied to temporary newRefs file.
FileReftableDatabase.convertFrom(this, newRefs, writeLogs);
FileReftableDatabase.convertFrom(this, writeLogs);
File refsFile = new File(getDirectory(), "refs");
@ -716,7 +744,6 @@ public class FileRepository extends Repository {
File packedRefs = new File(getDirectory(), Constants.PACKED_REFS);
File logsDir = new File(getDirectory(), Constants.LOGS);
List<String> additional = getRefDatabase().getAdditionalRefs().stream()
.map(Ref::getName).collect(toList());
additional.add(Constants.HEAD);
@ -735,7 +762,8 @@ public class FileRepository extends Repository {
new File(getDirectory(), r + ".old"));
}
} else {
packedRefs.delete(); // ignore return value.
FileUtils.delete(packedRefs, FileUtils.SKIP_MISSING);
FileUtils.delete(headFile);
FileUtils.delete(logsDir, FileUtils.RECURSIVE);
FileUtils.delete(refsFile, FileUtils.RECURSIVE);
for (String r : additional) {
@ -743,16 +771,26 @@ public class FileRepository extends Repository {
}
}
// Put new data.
FileUtils.rename(newRefs, refsFile);
FileUtils.mkdir(refsFile, true);
refs.close();
refs = new FileReftableDatabase(this, refsFile);
// By putting in a dummy HEAD, old versions of Git still detect a repo
// (that they can't read)
try (OutputStream os = new FileOutputStream(headFile)) {
os.write(Constants.encodeASCII("ref: refs/heads/.invalid"));
}
// Some tools might write directly into .git/refs/heads/BRANCH. By
// putting a file here, this fails spectacularly.
FileUtils.createNewFile(new File(refsFile, "heads"));
repoConfig.setString(ConfigConstants.CONFIG_EXTENSIONS_SECTION, null,
ConfigConstants.CONFIG_KEY_REFSTORAGE,
ConfigConstants.CONFIG_REFSTORAGE_REFTABLE);
ConfigConstants.CONFIG_KEY_REF_STORAGE,
ConfigConstants.CONFIG_REF_STORAGE_REFTABLE);
repoConfig.setLong(ConfigConstants.CONFIG_CORE_SECTION, null,
ConfigConstants.CONFIG_KEY_REPO_FORMAT_VERSION, 1);
repoConfig.save();
refs.close();
refs = new FileReftableDatabase(this);
}
/**
@ -775,7 +813,7 @@ public class FileRepository extends Repository {
}
} else if (format.equals("refdir")) {//$NON-NLS-1$
if (refs instanceof FileReftableDatabase) {
convertToPackedRefs(backup);
convertToPackedRefs(writeLogs, backup);
}
} else {
throw new IOException(MessageFormat

13
org.eclipse.jgit/src/org/eclipse/jgit/lib/ConfigConstants.java
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@ -504,9 +504,18 @@ public final class ConfigConstants {
*/
public static final String CONFIG_KEY_MIN_RACY_THRESHOLD = "minRacyThreshold";
/**
* The "refStorage" key
*
* @since 5.6.2
*/
public static final String CONFIG_KEY_REF_STORAGE = "refStorage";
/**
* The "extensions" section
* @since 5.7
*
* @since 5.6.2
*/
public static final String CONFIG_EXTENSIONS_SECTION = "extensions";
@ -520,7 +529,7 @@ public final class ConfigConstants {
* The "reftable" refStorage format
* @since 5.7
*/
public static final String CONFIG_REFSTORAGE_REFTABLE = "reftable";
public static final String CONFIG_REF_STORAGE_REFTABLE = "reftable";
/**
* The "reftree" refStorage format

6
org.eclipse.jgit/src/org/eclipse/jgit/lib/Constants.java
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@ -254,6 +254,12 @@ public final class Constants {
*/
public static final String REFTABLE = "reftable";
/**
* Reftable table list name.
* @since 5.6.2
*/
public static final String TABLES_LIST = "tables.list";
/** Info refs folder */
public static final String INFO_REFS = "info/refs";

13
org.eclipse.jgit/src/org/eclipse/jgit/util/FS.java
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@ -245,7 +245,16 @@ public abstract class FS {
return t;
});
private static void setBackground(boolean async) {
/**
* Whether FileStore attributes should be determined asynchronously
*
* @param async
* whether FileStore attributes should be determined
* asynchronously. If false access to cached attributes may block
* for some seconds for the first call per FileStore
* @since 5.6.2
*/
public static void setBackground(boolean async) {
background.set(async);
}
@ -709,7 +718,9 @@ public abstract class FS {
* asynchronously. If false access to cached attributes may block
* for some seconds for the first call per FileStore
* @since 5.1.9
* @deprecated Use {@link FileStoreAttributes#setBackground} instead
*/
@Deprecated
public static void setAsyncFileStoreAttributes(boolean asynch) {
FileStoreAttributes.setBackground(asynch);
}

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