protected override void HandleMissingFiles(string tag, List <Commit> commits, IEnumerable <FileInfo> files,
CommitMoveRecord moveRecord, ref Commit candidate)
{
var filteredFiles = files.Where(f => f.BranchAddedOn != tag);
base.HandleMissingFiles(tag, commits, filteredFiles, moveRecord, ref candidate);
}
private void HandleExtraFiles(string tag, List <Commit> commits, IEnumerable <FileInfo> files,
CommitMoveRecord moveRecord, ref Commit candidate)
{
int candidateIndex = commits.IndexOfFromEnd(candidate);
string tagBranch = candidate.Branch;
foreach (var file in files)
{
var tagRevision = GetRevisionForTag(file, tag);
// search backwards for the file being added
int addCommitIndex = -1;
if (candidateIndex > 0)
{
addCommitIndex = FindLastCommitBackwards(commits, candidateIndex - 1,
c => c.Any(r =>
r.File == file &&
!r.IsDead &&
r.File.IsRevisionOnBranch(r.Revision, tagBranch)));
}
// search forwards for the file being deleted
int deleteCommitIndex = -1;
if (candidateIndex < commits.Count - 1)
{
deleteCommitIndex = FindCommitForwards(commits, candidateIndex,
c => c.Any(r =>
r.File == file &&
r.IsDead &&
r.File.IsRevisionOnBranch(r.Revision, tagBranch)));
}
if (deleteCommitIndex < 0 && addCommitIndex < 0)
{
throw new TagResolutionException(String.Format(
"Tag {0}: file {1} is not tagged but a commit removing it could not be found", tag, file));
}
// pick the closest of the two
int addDistance = (addCommitIndex < 0) ? int.MaxValue : candidateIndex - addCommitIndex;
int deleteDistance = (deleteCommitIndex < 0) ? int.MaxValue : deleteCommitIndex - candidateIndex;
if (addDistance <= deleteDistance)
{
moveRecord.AddCommit(commits[addCommitIndex], file);
for (int i = addCommitIndex + 1; i <= candidateIndex; i++)
{
if (commits[i].Any(r => r.File == file))
{
moveRecord.AddCommit(commits[i], file);
}
}
}
else
{
candidate = commits[deleteCommitIndex];
}
}
}
protected virtual void HandleMissingFiles(string tag, List <Commit> commits, IEnumerable <FileInfo> files,
CommitMoveRecord moveRecord, ref Commit candidate)
{
int candidateIndex = commits.IndexOfFromEnd(candidate);
string tagBranch = candidate.Branch;
foreach (var file in files)
{
var tagRevision = GetRevisionForTag(file, tag);
// search forwards for the file being added
int addCommitIndex = -1;
if (candidateIndex < commits.Count - 1)
{
addCommitIndex = FindCommitForwards(commits, candidateIndex + 1,
c => c.Any(r =>
r.File == file &&
r.Revision == tagRevision &&
r.File.IsRevisionOnBranch(r.Revision, tagBranch)));
}
if (addCommitIndex >= 0)
{
// add any intermediate commits to the list of those that need moving
for (int i = candidateIndex + 1; i < addCommitIndex; i++)
{
moveRecord.AddCommit(commits[i], file);
}
candidate = commits[addCommitIndex];
}
else
{
// search backwards for the file being deleted
int deleteCommitIndex = -1;
if (candidateIndex > 0)
{
deleteCommitIndex = FindCommitBackwards(commits, candidateIndex,
c => c.Any(r =>
r.File == file &&
r.IsDead &&
r.File.IsRevisionOnBranch(r.Revision, tagBranch)));
}
if (deleteCommitIndex < 0)
{
throw new TagResolutionException(String.Format(
"Tag {0}: file {1} is tagged but a commit for it could not be found", tag, file));
}
moveRecord.AddCommit(commits[deleteCommitIndex], file);
}
}
}
private Commit ResolveBranchpoint(string branch, string tag)
{
Commit branchCommit;
if (!m_tagResolver.ResolvedTags.TryGetValue(tag, out branchCommit))
{
return(null);
}
// check for commits to the branch that occur before the tag
CommitMoveRecord moveRecord = null;
foreach (var c in m_commits)
{
if (c == branchCommit)
{
break;
}
if (c.Branch == branch)
{
if (moveRecord == null)
{
moveRecord = new CommitMoveRecord(branch, m_log)
{
FinalCommit = branchCommit
}
}
;
moveRecord.AddCommit(c, c.Select(r => r.File));
}
}
if (moveRecord != null)
{
m_log.WriteLine("Some commits on {0} need moving after branchpoint {1}", branch, tag);
using (m_log.Indent())
{
moveRecord.Apply(m_commits);
}
}
return(branchCommit);
}
}
private void CheckAddedRemovedFiles(string tag, RepositoryBranchState candidateBranchState, List <Commit> commits,
CommitMoveRecord moveRecord, ref Commit candidate)
{
List <FileInfo> missingFiles = null;
List <FileInfo> extraFiles = null;
var liveFiles = new HashSet <string>(candidateBranchState.LiveFiles);
foreach (var file in m_allFiles)
{
if (GetRevisionForTag(file, tag) == Revision.Empty)
{
if (liveFiles.Contains(file.Name))
{
AddAndCreateList(ref extraFiles, file);
m_log.WriteLine("Extra: {0}", file.Name);
if (extraFiles.Count > PartialTagThreshold)
{
throw new TagResolutionException(String.Format("Tag {0} appears to be a partial tag", tag));
}
}
}
else
{
if (!liveFiles.Contains(file.Name))
{
AddAndCreateList(ref missingFiles, file);
m_log.WriteLine("Missing: {0}", file.Name);
}
}
}
if (missingFiles != null)
{
HandleMissingFiles(tag, commits, missingFiles, moveRecord, ref candidate);
}
if (extraFiles != null)
{
HandleExtraFiles(tag, commits, extraFiles, moveRecord, ref candidate);
}
}
protected override void HandleMissingFiles(string tag, List<Commit> commits, IEnumerable<FileInfo> files,
CommitMoveRecord moveRecord, ref Commit candidate)
{
var filteredFiles = files.Where(f => f.BranchAddedOn != tag);
base.HandleMissingFiles(tag, commits, filteredFiles, moveRecord, ref candidate);
}
private Commit ResolveBranchpoint(string branch, string tag)
{
Commit branchCommit;
if (!m_tagResolver.ResolvedTags.TryGetValue(tag, out branchCommit))
return null;
// check for commits to the branch that occur before the tag
CommitMoveRecord moveRecord = null;
foreach (var c in m_commits)
{
if (c == branchCommit)
break;
if (c.Branch == branch)
{
if (moveRecord == null)
moveRecord = new CommitMoveRecord(branch, m_log) { FinalCommit = branchCommit };
moveRecord.AddCommit(c, c.Select(r => r.File));
}
}
if (moveRecord != null)
{
m_log.WriteLine("Some commits on {0} need moving after branchpoint {1}", branch, tag);
using (m_log.Indent())
{
moveRecord.Apply(m_commits);
}
}
return branchCommit;
}
private Commit ResolveTag(string tag)
{
var state = RepositoryState.CreateWithFullBranchState(m_allFiles);
var moveRecord = new CommitMoveRecord(tag, m_log);
Commit curCandidate = null;
Queue <string> branchPath;
var lastCandidate = FindLastCandidate(tag, out branchPath);
if (lastCandidate == null)
{
m_log.WriteLine("No commits");
return(null);
}
var relevantCommits = FilterCommits(branchPath);
foreach (var commit in relevantCommits)
{
state.Apply(commit);
if (IsCandidate(tag, commit))
{
curCandidate = commit;
}
if (curCandidate != null)
{
List <FileInfo> filesToMove;
var cmp = CompareCommitToTag(state, commit, tag, out filesToMove);
if (cmp == CommitTagMatch.Ahead)
{
// the commit has one or more files that are later
moveRecord.AddCommit(commit, filesToMove);
}
else if (cmp == CommitTagMatch.ExactMatch)
{
break;
}
}
if (curCandidate == lastCandidate)
{
break;
}
}
// now check added/removed files
m_log.WriteLine("Candidate: {0}", curCandidate.ConciseFormat);
var candidateBranchState = GetBranchStateForCommit(curCandidate, relevantCommits);
CheckAddedRemovedFiles(tag, candidateBranchState, relevantCommits, moveRecord, ref curCandidate);
// perform any moves
moveRecord.FinalCommit = curCandidate;
if (moveRecord.Commits.Any())
{
moveRecord.Apply(m_allCommits);
}
CheckCommitIndices(m_allCommits);
return(curCandidate);
}