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// Copyright (C) 2017 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.server.git;
import static java.util.stream.Collectors.toMap;
import java.io.IOException;
import java.util.Map;
import org.eclipse.jgit.lib.Ref;
import org.eclipse.jgit.transport.ReceivePack;
import org.eclipse.jgit.transport.ServiceMayNotContinueException;
import org.eclipse.jgit.transport.UploadPack;
/** Static utilities for writing git protocol hooks. */
public class HookUtil {
/**
* Scan and advertise all refs in the repo if refs have not already been advertised; otherwise,
* just return the advertised map.
*
* @param rp receive-pack handler.
* @return map of refs that were advertised.
* @throws ServiceMayNotContinueException if a problem occurred.
*/
public static Map<String, Ref> ensureAllRefsAdvertised(ReceivePack rp)
throws ServiceMayNotContinueException {
Map<String, Ref> refs = rp.getAdvertisedRefs();
if (refs != null) {
return refs;
}
try {
refs =
rp.getRepository().getRefDatabase().getRefs().stream()
.collect(toMap(Ref::getName, r -> r));
rp.setAdvertisedRefs(refs, rp.getAdvertisedObjects());
} catch (ServiceMayNotContinueException e) {
throw e;
} catch (IOException e) {
throw new ServiceMayNotContinueException(e);
}
return refs;
}
/**
* Scan and advertise all refs in the repo if refs have not already been advertised; otherwise,
* just return the advertised map.
*
* @param up upload-pack handler.
* @return map of refs that were advertised.
* @throws ServiceMayNotContinueException if a problem occurred.
*/
public static Map<String, Ref> ensureAllRefsAdvertised(UploadPack up)
throws ServiceMayNotContinueException {
Map<String, Ref> refs = up.getAdvertisedRefs();
if (refs != null) {
return refs;
}
try {
refs =
up.getRepository().getRefDatabase().getRefs().stream()
.collect(toMap(Ref::getName, r -> r));
up.setAdvertisedRefs(refs);
} catch (ServiceMayNotContinueException e) {
throw e;
} catch (IOException e) {
throw new ServiceMayNotContinueException(e);
}
return refs;
}
private HookUtil() {}
}
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