@NotNull
public static <CommitInfo> List<CommitInfo> getCommitRecords(
@NotNull Project project,
@Nullable HgCommandResult result,
@NotNull Function<String, CommitInfo> converter,
boolean silent) {
final List<CommitInfo> revisions = new LinkedList<CommitInfo>();
if (result == null) {
return revisions;
}
List<String> errors = result.getErrorLines();
if (errors != null && !errors.isEmpty()) {
if (result.getExitValue() != 0) {
if (silent) {
LOG.warn(errors.toString());
} else {
VcsNotifier.getInstance(project)
.notifyError(
HgVcsMessages.message("hg4idea.error.log.command.execution"), errors.toString());
}
return Collections.emptyList();
}
LOG.warn(errors.toString());
}
String output = result.getRawOutput();
List<String> changeSets = StringUtil.split(output, HgChangesetUtil.CHANGESET_SEPARATOR);
return ContainerUtil.mapNotNull(changeSets, converter);
}
@NotNull
@Override
public List<? extends VcsCommitMetadata> readFirstBlock(
@NotNull VirtualFile root, @NotNull Requirements requirements) throws VcsException {
if (!isRepositoryReady(root)) {
return Collections.emptyList();
}
int commitCount = requirements.getCommitCount();
if (requirements.isOrdered()) {
commitCount *=
2; // need to query more to sort them manually; this doesn't affect performance: it is
// equal for -1000 and -2000
}
String[] params =
new String[] {"HEAD", "--branches", "--remotes", "--max-count=" + commitCount};
// NB: not specifying --tags, because it introduces great slowdown if there are many tags,
// but makes sense only if there are heads without branch or HEAD labels (rare case). Such cases
// are partially handles below.
List<VcsCommitMetadata> firstBlock = GitHistoryUtils.loadMetadata(myProject, root, params);
if (requirements instanceof VcsLogProviderRequirementsEx) {
VcsLogProviderRequirementsEx rex = (VcsLogProviderRequirementsEx) requirements;
// on refresh: get new tags, which point to commits not from the first block; then get
// history, walking down just from these tags
// on init: just ignore such tagged-only branches. The price for speed-up.
if (!rex.isOrdered()) {
Collection<VcsRef> newTags = getNewTags(rex.getCurrentRefs(), rex.getPreviousRefs());
if (!newTags.isEmpty()) {
final Set<Hash> firstBlockHashes =
ContainerUtil.map2Set(
firstBlock,
new Function<VcsCommitMetadata, Hash>() {
@Override
public Hash fun(VcsCommitMetadata metadata) {
return metadata.getHash();
}
});
List<VcsRef> unmatchedHeads = getUnmatchedHeads(firstBlockHashes, newTags);
if (!unmatchedHeads.isEmpty()) {
List<VcsCommitMetadata> detailsFromTaggedBranches =
loadSomeCommitsOnTaggedBranches(root, commitCount, unmatchedHeads);
Collection<VcsCommitMetadata> unmatchedCommits =
getUnmatchedCommits(firstBlockHashes, detailsFromTaggedBranches);
firstBlock.addAll(unmatchedCommits);
}
}
}
}
if (requirements.isOrdered()) {
firstBlock = VcsLogSorter.sortByDateTopoOrder(firstBlock);
firstBlock =
new ArrayList<VcsCommitMetadata>(
firstBlock.subList(0, Math.min(firstBlock.size(), requirements.getCommitCount())));
}
return firstBlock;
}
public static List<? extends VcsFullCommitDetails> createFullCommitsFromResult(
@NotNull Project project,
@NotNull VirtualFile root,
@Nullable HgCommandResult result,
@NotNull HgVersion version,
boolean silent) {
final VcsLogObjectsFactory factory = getObjectsFactoryWithDisposeCheck(project);
if (factory == null) {
return Collections.emptyList();
}
List<HgFileRevision> hgRevisions =
getCommitRecords(
project,
result,
new HgFileRevisionLogParser(project, getOriginalHgFile(project, root), version),
silent);
List<VcsFullCommitDetails> vcsFullCommitDetailsList = new ArrayList<VcsFullCommitDetails>();
for (HgFileRevision revision : hgRevisions) {
HgRevisionNumber vcsRevisionNumber = revision.getRevisionNumber();
List<HgRevisionNumber> parents = vcsRevisionNumber.getParents();
HgRevisionNumber firstParent =
parents.isEmpty() ? null : parents.get(0); // can have no parents if it is a root
List<Hash> parentsHash = new SmartList<Hash>();
for (HgRevisionNumber parent : parents) {
parentsHash.add(factory.createHash(parent.getChangeset()));
}
final Collection<Change> changes = new ArrayList<Change>();
for (String file : revision.getModifiedFiles()) {
changes.add(
createChange(
project, root, file, firstParent, file, vcsRevisionNumber, FileStatus.MODIFIED));
}
for (String file : revision.getAddedFiles()) {
changes.add(
createChange(project, root, null, null, file, vcsRevisionNumber, FileStatus.ADDED));
}
for (String file : revision.getDeletedFiles()) {
changes.add(
createChange(
project, root, file, firstParent, null, vcsRevisionNumber, FileStatus.DELETED));
}
for (Map.Entry<String, String> copiedFile : revision.getCopiedFiles().entrySet()) {
changes.add(
createChange(
project,
root,
copiedFile.getKey(),
firstParent,
copiedFile.getValue(),
vcsRevisionNumber,
FileStatus.ADDED));
}
vcsFullCommitDetailsList.add(
factory.createFullDetails(
factory.createHash(vcsRevisionNumber.getChangeset()),
parentsHash,
revision.getRevisionDate().getTime(),
root,
vcsRevisionNumber.getSubject(),
vcsRevisionNumber.getAuthor(),
vcsRevisionNumber.getEmail(),
vcsRevisionNumber.getCommitMessage(),
vcsRevisionNumber.getAuthor(),
vcsRevisionNumber.getEmail(),
revision.getRevisionDate().getTime(),
new ThrowableComputable<Collection<Change>, Exception>() {
@Override
public Collection<Change> compute() throws Exception {
return changes;
}
}));
}
return vcsFullCommitDetailsList;
}