/**
* Pack all reachable objects in the repository into a single pack file.
*
* <p>All loose objects are automatically pruned. Existing packs however are not removed.
*
* @throws Exception
*/
public void packAndPrune() throws Exception {
if (db.getObjectDatabase() instanceof ObjectDirectory) {
ObjectDirectory odb = (ObjectDirectory) db.getObjectDatabase();
NullProgressMonitor m = NullProgressMonitor.INSTANCE;
final File pack, idx;
PackWriter pw = new PackWriter(db);
try {
Set<ObjectId> all = new HashSet<ObjectId>();
for (Ref r : db.getAllRefs().values()) all.add(r.getObjectId());
pw.preparePack(m, all, Collections.<ObjectId>emptySet());
final ObjectId name = pw.computeName();
OutputStream out;
pack = nameFor(odb, name, ".pack");
out = new SafeBufferedOutputStream(new FileOutputStream(pack));
try {
pw.writePack(m, m, out);
} finally {
out.close();
}
pack.setReadOnly();
idx = nameFor(odb, name, ".idx");
out = new SafeBufferedOutputStream(new FileOutputStream(idx));
try {
pw.writeIndex(out);
} finally {
out.close();
}
idx.setReadOnly();
} finally {
pw.release();
}
odb.openPack(pack, idx);
updateServerInfo();
prunePacked(odb);
}
}
private static File nameFor(ObjectDirectory odb, ObjectId name, String t) {
File packdir = new File(odb.getDirectory(), "pack");
return new File(packdir, "pack-" + name.name() + t);
}
private void prunePacked(ObjectDirectory odb) throws IOException {
for (PackFile p : odb.getPacks()) {
for (MutableEntry e : p) FileUtils.delete(odb.fileFor(e.toObjectId()));
}
}