public RepositoryTagMap(
AbstractRepository repository,
RepositoryTagMap parent,
Map<String, RepositoryTagEntry> tagMap)
throws IOException {
_tagMap = Collections.unmodifiableMap(tagMap);
long now = Alarm.getCurrentTime();
if (parent.getSequence() < now) _sequence = now;
else _sequence = parent.getSequence() + 1;
TempStream os = new TempStream();
WriteStream out = new WriteStream(os);
writeTagMap(out);
out.close();
String tagHash;
InputStream is = os.getInputStream();
try {
tagHash = repository.addBlob(is);
} finally {
is.close();
}
_tree = new GitTree();
_tree.addBlob("tags", 0775, tagHash);
for (String key : tagMap.keySet()) {
RepositoryTagEntry entry = tagMap.get(key);
String sha1 = entry.getTagEntryHash();
String root = entry.getRoot();
_tree.addBlob(sha1, 0644, sha1);
GitType type = repository.getType(root);
if (type == GitType.BLOB) _tree.addBlob(root, 0644, root);
else if (type == GitType.TREE) _tree.addDir(root, root);
else throw new IllegalStateException(L.l("'{0}' has an unknown type {1}", root, type));
}
String treeHash = repository.addTree(_tree);
_commit = new GitCommit();
_commit.setTree(treeHash);
_commit.put("sequence", String.valueOf(_sequence));
_commitHash = repository.addCommit(_commit);
}
public RepositoryTagMap(AbstractRepository repository, String commitHash, boolean isValidate)
throws IOException {
_commitHash = commitHash;
if (commitHash == null) throw new NullPointerException();
// force loading and validation from backend
if (isValidate) repository.validateHash(commitHash);
_commit = repository.readCommit(commitHash);
String sequence = _commit.get("sequence");
if (sequence != null) _sequence = Long.parseLong(sequence);
else _sequence = 1;
_tree = repository.readTree(_commit.getTree());
_tagMap = readTagMap(repository, _tree.getHash("tags"));
}
private Map<String, RepositoryTagEntry> readTagMap(AbstractRepository repository, String sha1)
throws IOException {
TreeMap<String, RepositoryTagEntry> map = new TreeMap<String, RepositoryTagEntry>();
InputStream is = repository.openBlob(sha1);
try {
ReadStream in = Vfs.openRead(is);
String tag;
while ((tag = in.readLine()) != null) {
String entrySha1 = in.readLine();
RepositoryTagEntry entry = new RepositoryTagEntry(repository, entrySha1);
map.put(tag, entry);
}
} finally {
is.close();
}
return Collections.unmodifiableMap(map);
}