/// <summary>
/// Create an iterator to walk the merge base of two commits.
/// </summary>
/// <param name="aIdx">
/// Index of the first commit in <seealso cref="SourceObjects"/>.
/// </param>
/// <param name="bIdx">
/// Index of the second commit in <seealso cref="SourceObjects"/>.
/// </param>
/// <returns> the new iterator </returns>
/// <exception cref="IncorrectObjectTypeException">
/// one of the input objects is not a commit.
/// </exception>
/// <exception cref="IOException">
/// objects are missing or multiple merge bases were found.
/// </exception>
protected AbstractTreeIterator MergeBase(int aIdx, int bIdx)
{
if (_sourceCommits[aIdx] == null)
{
throw new IncorrectObjectTypeException(_sourceObjects[aIdx], Constants.TYPE_COMMIT);
}
if (_sourceCommits[bIdx] == null)
{
throw new IncorrectObjectTypeException(_sourceObjects[bIdx], Constants.TYPE_COMMIT);
}
_walk.reset();
_walk.setRevFilter(RevFilter.MERGE_BASE);
_walk.markStart(_sourceCommits[aIdx]);
_walk.markStart(_sourceCommits[bIdx]);
RevCommit base1 = _walk.next();
if (base1 == null)
{
return(new EmptyTreeIterator());
}
RevCommit base2 = _walk.next();
if (base2 != null)
{
throw new IOException("Multiple merge bases for:" + "\n "
+ _sourceCommits[aIdx].Name + "\n "
+ _sourceCommits[bIdx].Name + "found:" + "\n "
+ base1.Name + "\n " + base2.Name);
}
return(OpenTree(base1.Tree));
}
private void MarkReachable(IEnumerable <ObjectId> have, int maxTime)
{
foreach (Ref r in local.getAllRefs().Values)
{
try
{
RevCommit o = _walk.parseCommit(r.ObjectId);
o.add(REACHABLE);
_reachableCommits.add(o);
}
catch (IOException)
{
// If we cannot read the value of the ref skip it.
}
}
foreach (ObjectId id in have)
{
try
{
RevCommit o = _walk.parseCommit(id);
o.add(REACHABLE);
_reachableCommits.add(o);
}
catch (IOException)
{
// If we cannot read the value of the ref skip it.
}
}
if (maxTime > 0)
{
// Mark reachable commits until we reach maxTime. These may
// wind up later matching up against things we want and we
// can avoid asking for something we already happen to have.
//
DateTime maxWhen = (maxTime * 1000L).MillisToUtcDateTime();
_walk.sort(RevSort.COMMIT_TIME_DESC);
_walk.markStart(_reachableCommits);
_walk.setRevFilter(CommitTimeRevFilter.After(maxWhen));
for (; ;)
{
RevCommit c = _walk.next();
if (c == null)
{
break;
}
if (c.has(ADVERTISED) && !c.has(COMMON))
{
c.add(COMMON);
c.carry(COMMON);
_reachableCommits.add(c);
}
}
}
}
private void MarkReachable(IEnumerable <ObjectId> have, int maxTime)
{
foreach (Ref r in local.getAllRefs().Values)
{
try
{
RevCommit o = _walk.parseCommit(r.ObjectId);
o.add(REACHABLE);
_reachableCommits.add(o);
}
catch (IOException)
{
}
}
foreach (ObjectId id in have)
{
try
{
RevCommit o = _walk.parseCommit(id);
o.add(REACHABLE);
_reachableCommits.add(o);
}
catch (IOException)
{
}
}
if (maxTime > 0)
{
DateTime maxWhen = new DateTime(1970, 1, 1) + TimeSpan.FromSeconds(maxTime);
_walk.sort(RevSort.COMMIT_TIME_DESC);
_walk.markStart(_reachableCommits);
_walk.setRevFilter(CommitTimeRevFilter.After(maxWhen));
for (; ;)
{
RevCommit c = _walk.next();
if (c == null)
{
break;
}
if (c.has(ADVERTISED) && !c.has(COMMON))
{
c.add(COMMON);
c.carry(COMMON);
_reachableCommits.add(c);
}
}
}
}
private bool WantSatisfied(RevCommit want)
{
_walk.resetRetain(SAVE);
_walk.markStart(want);
while (true)
{
RevCommit c = _walk.next();
if (c == null)
{
break;
}
if (c.has(PEER_HAS))
{
AddCommonBase(c);
return(true);
}
}
return(false);
}
private void verifyPrerequisites()
{
if (prereqs.isEmpty())
return;
using(RevWalk.RevWalk rw = new RevWalk.RevWalk(transport.Local))
{
RevFlag PREREQ = rw.newFlag("PREREQ");
RevFlag SEEN = rw.newFlag("SEEN");
List<ObjectId> missing = new List<ObjectId>();
List<RevObject> commits = new List<RevObject>();
foreach (ObjectId p in prereqs)
{
try
{
RevCommit c = rw.parseCommit(p);
if (!c.has(PREREQ))
{
c.add(PREREQ);
commits.Add(c);
}
}
catch (MissingObjectException)
{
missing.Add(p);
}
catch (IOException err)
{
throw new TransportException(transport.Uri, "Cannot Read commit " + p.Name, err);
}
}
if (!missing.isEmpty())
throw new MissingBundlePrerequisiteException(transport.Uri, missing);
foreach (Ref r in transport.Local.getAllRefs().Values)
{
try
{
rw.markStart(rw.parseCommit(r.ObjectId));
}
catch (IOException)
{
}
}
int remaining = commits.Count;
try
{
RevCommit c;
while ((c = rw.next()) != null)
{
if (c.has(PREREQ))
{
c.add(SEEN);
if (--remaining == 0)
break;
}
}
}
catch (IOException err)
{
throw new TransportException(transport.Uri, "Cannot Read object", err);
}
if (remaining > 0)
{
foreach (RevObject o in commits)
{
if (!o.has(SEEN))
missing.Add(o);
}
throw new MissingBundlePrerequisiteException(transport.Uri, missing);
}
}
}
private void verifyPrerequisites()
{
if (_prereqs.isEmpty())
return;
using (var rw = new RevWalk.RevWalk(_transport.Local))
{
RevFlag PREREQ = rw.newFlag("PREREQ");
RevFlag SEEN = rw.newFlag("SEEN");
IDictionary<ObjectId, string> missing = new Dictionary<ObjectId, string>();
var commits = new List<RevObject>();
foreach (KeyValuePair<ObjectId, string> e in _prereqs)
{
ObjectId p = e.Key;
try
{
RevCommit c = rw.parseCommit(p);
if (!c.has(PREREQ))
{
c.add(PREREQ);
commits.Add(c);
}
}
catch (MissingObjectException)
{
missing.put(p, e.Value);
}
catch (IOException err)
{
throw new TransportException(_transport.Uri, "Cannot Read commit " + p.Name, err);
}
}
if (!missing.isEmpty())
throw new MissingBundlePrerequisiteException(_transport.Uri, missing);
foreach (Ref r in _transport.Local.getAllRefs().Values)
{
try
{
rw.markStart(rw.parseCommit(r.ObjectId));
}
catch (IOException)
{
// If we cannot read the value of the ref skip it.
}
}
int remaining = commits.Count;
try
{
RevCommit c;
while ((c = rw.next()) != null)
{
if (c.has(PREREQ))
{
c.add(SEEN);
if (--remaining == 0)
break;
}
}
}
catch (IOException err)
{
throw new TransportException(_transport.Uri, "Cannot Read object", err);
}
if (remaining > 0)
{
foreach (RevObject o in commits)
{
if (!o.has(SEEN))
missing.put(o, _prereqs.get(o));
}
throw new MissingBundlePrerequisiteException(_transport.Uri, missing);
}
}
}
private void verifyPrerequisites()
{
if (_prereqs.isEmpty())
{
return;
}
using (var rw = new RevWalk.RevWalk(_transport.Local))
{
RevFlag PREREQ = rw.newFlag("PREREQ");
RevFlag SEEN = rw.newFlag("SEEN");
IDictionary <ObjectId, string> missing = new Dictionary <ObjectId, string>();
var commits = new List <RevObject>();
foreach (KeyValuePair <ObjectId, string> e in _prereqs)
{
ObjectId p = e.Key;
try
{
RevCommit c = rw.parseCommit(p);
if (!c.has(PREREQ))
{
c.add(PREREQ);
commits.Add(c);
}
}
catch (MissingObjectException)
{
missing.put(p, e.Value);
}
catch (IOException err)
{
throw new TransportException(_transport.Uri, "Cannot Read commit " + p.Name, err);
}
}
if (!missing.isEmpty())
{
throw new MissingBundlePrerequisiteException(_transport.Uri, missing);
}
foreach (Ref r in _transport.Local.getAllRefs().Values)
{
try
{
rw.markStart(rw.parseCommit(r.ObjectId));
}
catch (IOException)
{
// If we cannot read the value of the ref skip it.
}
}
int remaining = commits.Count;
try
{
RevCommit c;
while ((c = rw.next()) != null)
{
if (c.has(PREREQ))
{
c.add(SEEN);
if (--remaining == 0)
{
break;
}
}
}
}
catch (IOException err)
{
throw new TransportException(_transport.Uri, "Cannot Read object", err);
}
if (remaining > 0)
{
foreach (RevObject o in commits)
{
if (!o.has(SEEN))
{
missing.put(o, _prereqs.get(o));
}
}
throw new MissingBundlePrerequisiteException(_transport.Uri, missing);
}
}
}
private void verifyPrerequisites()
{
if (prereqs.isEmpty())
{
return;
}
using (RevWalk.RevWalk rw = new RevWalk.RevWalk(transport.Local))
{
RevFlag PREREQ = rw.newFlag("PREREQ");
RevFlag SEEN = rw.newFlag("SEEN");
List <ObjectId> missing = new List <ObjectId>();
List <RevObject> commits = new List <RevObject>();
foreach (ObjectId p in prereqs)
{
try
{
RevCommit c = rw.parseCommit(p);
if (!c.has(PREREQ))
{
c.add(PREREQ);
commits.Add(c);
}
}
catch (MissingObjectException)
{
missing.Add(p);
}
catch (IOException err)
{
throw new TransportException(transport.Uri, "Cannot Read commit " + p.Name, err);
}
}
if (!missing.isEmpty())
{
throw new MissingBundlePrerequisiteException(transport.Uri, missing);
}
foreach (Ref r in transport.Local.getAllRefs().Values)
{
try
{
rw.markStart(rw.parseCommit(r.ObjectId));
}
catch (IOException)
{
}
}
int remaining = commits.Count;
try
{
RevCommit c;
while ((c = rw.next()) != null)
{
if (c.has(PREREQ))
{
c.add(SEEN);
if (--remaining == 0)
{
break;
}
}
}
}
catch (IOException err)
{
throw new TransportException(transport.Uri, "Cannot Read object", err);
}
if (remaining > 0)
{
foreach (RevObject o in commits)
{
if (!o.has(SEEN))
{
missing.Add(o);
}
}
throw new MissingBundlePrerequisiteException(transport.Uri, missing);
}
}
}