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Modify object caching for support glob path as arguments
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@bozaro
bozaro committed Jan 8, 2016
1 parent 6124379 commit fba52f5
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Showing 3 changed files with 53 additions and 27 deletions.
51 changes: 30 additions & 21 deletions src/main/java/git/lfs/migrate/GitConverter.java
View file
Original file line number Diff line number Diff line change
Expand Up @@ -73,7 +73,7 @@ public ConvertTask convertTask(@NotNull ObjectReader reader, @NotNull TaskKey ke
return convertCommitTask((RevCommit) revObject);
}
if (revObject instanceof RevTree) {
return convertTreeTask(reader, revObject, false);
return convertTreeTask(reader, revObject, Objects.requireNonNull(key.getPath()));
}
if (revObject instanceof RevBlob) {
return copyTask(reader, revObject);
Expand All @@ -83,13 +83,6 @@ public ConvertTask convertTask(@NotNull ObjectReader reader, @NotNull TaskKey ke
}
throw new IllegalStateException("Unsupported object type: " + key + " (" + revObject.getClass().getName() + ")");
}
case Root: {
final RevObject revObject = new RevWalk(reader).parseAny(key.getObjectId());
if (revObject instanceof RevTree) {
return convertTreeTask(reader, revObject, true);
}
throw new IllegalStateException("Unsupported object type: " + key + " (" + revObject.getClass().getName() + ")");
}
case Attribute:
return createAttributesTask(reader, key.getObjectId());
case UploadLfs:
Expand Down Expand Up @@ -122,14 +115,14 @@ private ConvertTask convertTagTask(@NotNull RevTag revObject) throws IOException
@Override
public Iterable<TaskKey> depends() {
return Collections.singletonList(
new TaskKey(TaskType.Simple, revObject.getObject())
new TaskKey(TaskType.Simple, "", revObject.getObject())
);
}

@NotNull
@Override
public ObjectId convert(@NotNull ObjectInserter inserter, @NotNull ConvertResolver resolver, @Nullable Uploader uploader) throws IOException {
final ObjectId id = resolver.resolve(TaskType.Simple, revObject.getObject());
final ObjectId id = resolver.resolve(TaskType.Simple, "", revObject.getObject());
final TagBuilder builder = new TagBuilder();
builder.setMessage(revObject.getFullMessage());
builder.setTag(revObject.getTagName());
Expand All @@ -148,9 +141,9 @@ private ConvertTask convertCommitTask(@NotNull RevCommit revObject) throws IOExc
public Iterable<TaskKey> depends() {
List<TaskKey> result = new ArrayList<>();
for (RevCommit parent : revObject.getParents()) {
result.add(new TaskKey(TaskType.Simple, parent));
result.add(new TaskKey(TaskType.Simple, "", parent));
}
result.add(new TaskKey(TaskType.Root, revObject.getTree()));
result.add(new TaskKey(TaskType.Simple, "", revObject.getTree()));
return result;
}

Expand All @@ -164,39 +157,43 @@ public ObjectId convert(@NotNull ObjectInserter inserter, @NotNull ConvertResolv
builder.setMessage(revObject.getFullMessage());
// Set parents
for (RevCommit oldParent : revObject.getParents()) {
builder.addParentId(resolver.resolve(TaskType.Simple, oldParent));
builder.addParentId(resolver.resolve(TaskType.Simple, "", oldParent));
}
// Set tree
builder.setTreeId(resolver.resolve(TaskType.Root, revObject.getTree()));
builder.setTreeId(resolver.resolve(TaskType.Simple, "", revObject.getTree()));
return inserter.insert(builder);
}
};
}

@NotNull
private ConvertTask convertTreeTask(@NotNull ObjectReader reader, @NotNull ObjectId id, boolean rootTree) {
private ConvertTask convertTreeTask(@NotNull ObjectReader reader, @NotNull ObjectId id, @NotNull String path) {
return new ConvertTask() {
@NotNull
private List<GitTreeEntry> getEntries() throws IOException {
final List<GitTreeEntry> entries = new ArrayList<>();
final CanonicalTreeParser treeParser = new CanonicalTreeParser(null, reader, id);
boolean needAttributes = rootTree;
boolean needAttributes = path.isEmpty();
while (!treeParser.eof()) {
final FileMode fileMode = treeParser.getEntryFileMode();
final TaskType blobTask;
final String pathTask;
if (needAttributes && treeParser.getEntryPathString().equals(GIT_ATTRIBUTES)) {
blobTask = TaskType.Attribute;
pathTask = null;
needAttributes = false;
} else if (isFile(fileMode) && matchFilename(treeParser.getEntryPathString())) {
blobTask = TaskType.UploadLfs;
pathTask = null;
} else {
blobTask = TaskType.Simple;
pathTask = path + "/" + treeParser.getEntryPathString();
}
entries.add(new GitTreeEntry(fileMode, new TaskKey(blobTask, treeParser.getEntryObjectId()), treeParser.getEntryPathString()));
entries.add(new GitTreeEntry(fileMode, new TaskKey(blobTask, pathTask, treeParser.getEntryObjectId()), treeParser.getEntryPathString()));
treeParser.next();
}
if (needAttributes && suffixes.length > 0) {
entries.add(new GitTreeEntry(FileMode.REGULAR_FILE, new TaskKey(TaskType.Attribute, ObjectId.zeroId()), GIT_ATTRIBUTES));
entries.add(new GitTreeEntry(FileMode.REGULAR_FILE, new TaskKey(TaskType.Attribute, null, ObjectId.zeroId()), GIT_ATTRIBUTES));
}
return entries;
}
Expand Down Expand Up @@ -410,16 +407,28 @@ private InputStream openAttributes(@NotNull ObjectReader reader, @Nullable Objec
}

public enum TaskType {
Simple, Root, Attribute, UploadLfs,
Simple(true),
Attribute(false),
UploadLfs(false);

TaskType(boolean needPath) {
this.needPath = needPath;
}

private final boolean needPath;

public boolean needPath() {
return needPath;
}
}

public interface ConvertResolver {
@NotNull
ObjectId resolve(@NotNull TaskKey key);

@NotNull
default ObjectId resolve(@NotNull TaskType type, @NotNull ObjectId objectId) {
return resolve(new TaskKey(type, objectId));
default ObjectId resolve(@NotNull TaskType type, @Nullable String path, @NotNull ObjectId objectId) {
return resolve(new TaskKey(type, path, objectId));
}
}

Expand Down
4 changes: 2 additions & 2 deletions src/main/java/git/lfs/migrate/Main.java
View file
Original file line number Diff line number Diff line change
Expand Up @@ -150,7 +150,7 @@ public static void processRepository(@NotNull File srcPath, @NotNull File dstPat
for (Map.Entry<String, Ref> ref : srcRepo.getAllRefs().entrySet()) {
RefUpdate refUpdate = dstRepo.updateRef(ref.getKey());
final ObjectId oldId = ref.getValue().getObjectId();
final ObjectId newId = converted.get(new TaskKey(GitConverter.TaskType.Simple, oldId));
final ObjectId newId = converted.get(new TaskKey(GitConverter.TaskType.Simple, "", oldId));
refUpdate.setNewObjectId(newId);
refUpdate.update();
log.info(" convert ref: {} -> {} ({})", oldId.getName(), newId.getName(), ref.getKey());
Expand Down Expand Up @@ -269,7 +269,7 @@ private static SimpleDirectedGraph<TaskKey, DefaultEdge> loadTaskGraph(@NotNull
final Deque<TaskKey> queue = new ArrayDeque<>();
// Heads
for (Ref ref : refs.values()) {
final TaskKey taskKey = new TaskKey(GitConverter.TaskType.Simple, ref.getObjectId());
final TaskKey taskKey = new TaskKey(GitConverter.TaskType.Simple, "", ref.getObjectId());
if (graph.addVertex(taskKey)) {
queue.add(taskKey);
reporter.increment();
Expand Down
25 changes: 21 additions & 4 deletions src/main/java/git/lfs/migrate/TaskKey.java
View file
Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,9 @@

import org.eclipse.jgit.lib.ObjectId;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;

import java.util.Objects;

/**
* Key of converter task.
Expand All @@ -14,10 +17,16 @@ public final class TaskKey {
private final GitConverter.TaskType type;
@NotNull
private final ObjectId objectId;
@Nullable
private final String path;

public TaskKey(@NotNull GitConverter.TaskType type, @NotNull ObjectId objectId) {
public TaskKey(@NotNull GitConverter.TaskType type, @Nullable String path, @NotNull ObjectId objectId) {
this.type = type;
this.path = path;
this.objectId = objectId.copy();
if (type.needPath() == (path == null)) {
throw new IllegalStateException();
}
}

@NotNull
Expand All @@ -30,6 +39,11 @@ public ObjectId getObjectId() {
return objectId;
}

@Nullable
public String getPath() {
return path;
}

@Override
public boolean equals(Object o) {
if (this == o) return true;
Expand All @@ -38,19 +52,22 @@ public boolean equals(Object o) {
TaskKey taskKey = (TaskKey) o;

return (type == taskKey.type)
&& objectId.equals(taskKey.objectId);

&& objectId.equals(taskKey.objectId)
&& Objects.equals(path, taskKey.path);
}

@Override
public int hashCode() {
int result = type.hashCode();
result = 31 * result + objectId.hashCode();
if (path != null) {
result = 31 * result + path.hashCode();
}
return result;
}

@Override
public String toString() {
return type + ":" + objectId.name();
return type + ":" + objectId.name() + (path == null ? "" : " (" + path + ")");
}
}

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