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// Copyright (C) 2019 The Android Open Source Project
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package com.google.gerrit.git;
import static com.google.common.collect.ImmutableList.toImmutableList;
import com.google.auto.value.AutoValue;
import com.google.common.collect.ImmutableList;
import com.google.gerrit.common.Nullable;
import com.google.gerrit.common.UsedAt;
import java.io.IOException;
import java.util.Optional;
import org.eclipse.jgit.lib.BatchRefUpdate;
import org.eclipse.jgit.lib.RefUpdate;
import org.eclipse.jgit.transport.ReceiveCommand;
/** Thrown when updating a ref in Git fails. */
public class GitUpdateFailureException extends IOException {
private static final long serialVersionUID = 1L;
private final ImmutableList<GitUpdateFailure> failures;
public GitUpdateFailureException(String message, RefUpdate refUpdate) {
super(message);
this.failures = ImmutableList.of(GitUpdateFailure.create(refUpdate));
}
public GitUpdateFailureException(String message, BatchRefUpdate batchRefUpdate) {
super(message);
this.failures =
batchRefUpdate.getCommands().stream()
.filter(c -> c.getResult() != ReceiveCommand.Result.OK)
.map(GitUpdateFailure::create)
.collect(toImmutableList());
}
protected GitUpdateFailureException(String message, Throwable cause) {
super(message, cause);
this.failures = ImmutableList.of();
}
/** Returns the names of the refs for which the update failed. */
public ImmutableList<String> getFailedRefs() {
return failures.stream().map(GitUpdateFailure::ref).collect(toImmutableList());
}
/** Returns the failures that caused this exception. */
@UsedAt(UsedAt.Project.GOOGLE)
public ImmutableList<GitUpdateFailure> getFailures() {
return failures;
}
@AutoValue
public abstract static class GitUpdateFailure {
private static GitUpdateFailure create(RefUpdate refUpdate) {
return builder().ref(refUpdate.getName()).result(refUpdate.getResult().name()).build();
}
private static GitUpdateFailure create(ReceiveCommand receiveCommand) {
return builder()
.ref(receiveCommand.getRefName())
.result(receiveCommand.getResult().name())
.message(receiveCommand.getMessage())
.build();
}
public abstract String ref();
public abstract String result();
public abstract Optional<String> message();
public static GitUpdateFailure.Builder builder() {
return new AutoValue_GitUpdateFailureException_GitUpdateFailure.Builder();
}
@AutoValue.Builder
abstract static class Builder {
abstract Builder ref(String ref);
abstract Builder result(String result);
abstract Builder message(@Nullable String message);
abstract GitUpdateFailure build();
}
}
}