private IVcsWrapper CreateVcsWrapper(Encoding commitEncoding)
{
Invoke((MethodInvoker) delegate
{ if (transcodeCheckBox.Checked)
{
commitEncoding = Encoding.UTF8;
}
});
string repoPath = outDirTextBox.Text;
string vcsType = vcsSetttingsTabs.SelectedTab.Text;
if (vcsType.Equals(vcsTypeGit))
{
GitWrapper wrapper = new GitWrapper(repoPath, logger, commitEncoding, forceAnnotatedCheckBox.Checked);
wrapper.GitIgnoreInfo = $"{ignoreFile.Text}|{attributesFile.Text}|{userName.Text}|{userEmail.Text}|{initialComment.Text}";
return(wrapper);
}
else if (vcsType.Equals(vcsTypeSvn))
{
bool stdLayout = svnStandardLayoutCheckBox.Checked;
string trunk = stdLayout ? SvnWrapper.stdTrunk : svnTrunkTextBox.Text;
string tags = stdLayout ? SvnWrapper.stdTags : svnTagsTextBox.Text;
string branches = stdLayout ? SvnWrapper.stdBranches : svnBranchesTextBox.Text;
var wrapper = new SvnWrapper(repoPath, svnRepoTextBox.Text, svnProjectPathTextBox.Text,
trunk, tags, branches, logger);
wrapper.SetCredentials(svnUserTextBox.Text, svnPasswordTextBox.Text);
return(wrapper);
}
throw new ArgumentOutOfRangeException("vcsType", vcsType, "Undefined VCS Type");
}
private bool ReplayRevisionAlt(Revision revision,
GitWrapper git, LinkedList <Revision> labels)
{
var needCommit = false;
var actionType = revision.Action.Type;
// We don't worry about projects! <smile>
if (
(!revision.Item.IsProject)
&&
(actionType == VssActionType.Create) || (actionType == VssActionType.Edit)
)
{
FileLocation fileLocation;
if (fileAnalyzer.SortedFileLocations.TryGetValue(revision.Item.PhysicalName, out fileLocation))
{
var path = VssPathMapper.GetWorkingPath(repoPath, fileLocation.Path, inheritProjectDir ? "" : fileAnalyzer.vssRootProjectPath);
logger.WriteLine("{0}: {1} revision {2}", fileLocation.Path, actionType, revision.Version);
if (WriteRevisionTo(revision.Item.PhysicalName, revision.Version, path))
{
// add file explicitly, so it is visible to subsequent git operations
git.Add(path);
needCommit = true;
}
}
}
return(needCommit);
}
private bool ReplayChangeset(VssPathMapper pathMapper, Changeset changeset,
GitWrapper git, LinkedList <Revision> labels)
{
var needCommit = false;
foreach (Revision revision in changeset.Revisions)
{
if (workQueue.IsAborting)
{
break;
}
AbortRetryIgnore(delegate
{
if (fileAnalyzer == null)
{
needCommit |= ReplayRevision(pathMapper, revision, git, labels);
}
else
{
needCommit |= ReplayRevisionAlt(revision, git, labels);
}
});
}
return(needCommit);
}
private bool CommitChangeset(GitWrapper git, Changeset changeset)
{
var result = false;
AbortRetryIgnore(delegate
{
result = git.AddAll() &&
git.Commit(changeset.User, GetEmail(changeset.User),
changeset.Comment ?? DefaultComment, changeset.DateTime);
});
return(result);
}
private bool CommitChangeset(GitWrapper git, Changeset changeset)
{
string comment = changeset.Comment ?? this.DefaultComment;
if (string.IsNullOrEmpty(comment))
{
comment = "** " + GetComment(changeset, 155);
}
var result = false;
AbortRetryIgnore(delegate
{
result = git.AddAll() &&
git.Commit(changeset.User, GetEmail(changeset.User),
comment ?? DefaultComment, changeset.DateTime);
});
return(result);
}
public void ExportToGit(string repoPath)
{
workQueue.AddLast(delegate(object work)
{
var stopwatch = Stopwatch.StartNew();
logger.WriteSectionSeparator();
LogStatus(work, "Initializing Git repository");
// create repository directory if it does not exist
if (!Directory.Exists(repoPath))
{
Directory.CreateDirectory(repoPath);
}
var git = new GitWrapper(repoPath, logger);
git.CommitEncoding = commitEncoding;
while (!git.FindExecutable())
{
var button = MessageBox.Show("Git not found in PATH. " +
"If you need to modify your PATH variable, please " +
"restart the program for the changes to take effect.",
"Error", MessageBoxButtons.RetryCancel, MessageBoxIcon.Error);
if (button == DialogResult.Cancel)
{
workQueue.Abort();
return;
}
}
if (!RetryCancel(delegate { git.Init(); }))
{
return;
}
if (commitEncoding.WebName != "utf-8")
{
AbortRetryIgnore(delegate
{
git.SetConfig("i18n.commitencoding", commitEncoding.WebName);
});
}
var pathMapper = new VssPathMapper();
// create mappings for root projects
foreach (var rootProject in revisionAnalyzer.RootProjects)
{
var rootPath = VssPathMapper.GetWorkingPath(repoPath, rootProject.Path);
pathMapper.SetProjectPath(rootProject.PhysicalName, rootPath, rootProject.Path);
}
// replay each changeset
var changesetId = 1;
var changesets = changesetBuilder.Changesets;
var commitCount = 0;
var tagCount = 0;
var replayStopwatch = new Stopwatch();
var labels = new LinkedList <Revision>();
tagsUsed.Clear();
foreach (var changeset in changesets)
{
var changesetDesc = string.Format(CultureInfo.InvariantCulture,
"changeset {0} from {1}", changesetId, changeset.DateTime);
// replay each revision in changeset
LogStatus(work, "Replaying " + changesetDesc);
labels.Clear();
replayStopwatch.Start();
bool needCommit;
try
{
needCommit = ReplayChangeset(pathMapper, changeset, git, labels);
}
finally
{
replayStopwatch.Stop();
}
if (workQueue.IsAborting)
{
return;
}
// commit changes
if (needCommit)
{
LogStatus(work, "Committing " + changesetDesc);
if (CommitChangeset(git, changeset))
{
++commitCount;
}
}
if (workQueue.IsAborting)
{
return;
}
// create tags for any labels in the changeset
if (labels.Count > 0)
{
foreach (Revision label in labels)
{
var labelName = ((VssLabelAction)label.Action).Label;
if (string.IsNullOrEmpty(labelName))
{
logger.WriteLine("NOTE: Ignoring empty label");
}
else if (commitCount == 0)
{
logger.WriteLine("NOTE: Ignoring label '{0}' before initial commit", labelName);
}
else
{
var tagName = GetTagFromLabel(labelName);
var tagMessage = "Creating tag " + tagName;
if (tagName != labelName)
{
tagMessage += " for label '" + labelName + "'";
}
LogStatus(work, tagMessage);
// annotated tags require (and are implied by) a tag message;
// tools like Mercurial's git converter only import annotated tags
var tagComment = label.Comment;
if (string.IsNullOrEmpty(tagComment) && forceAnnotatedTags)
{
// use the original VSS label as the tag message if none was provided
tagComment = labelName;
}
if (AbortRetryIgnore(
delegate
{
git.Tag(tagName, label.User, GetEmail(label.User),
tagComment, label.DateTime);
}))
{
++tagCount;
}
}
}
}
++changesetId;
}
stopwatch.Stop();
logger.WriteSectionSeparator();
logger.WriteLine("Git export complete in {0:HH:mm:ss}", new DateTime(stopwatch.ElapsedTicks));
logger.WriteLine("Replay time: {0:HH:mm:ss}", new DateTime(replayStopwatch.ElapsedTicks));
logger.WriteLine("Git time: {0:HH:mm:ss}", new DateTime(git.ElapsedTime.Ticks));
logger.WriteLine("Git commits: {0}", commitCount);
logger.WriteLine("Git tags: {0}", tagCount);
});
}
private bool WriteRevision(VssPathMapper pathMapper, VssActionType actionType,
string physicalName, int version, string underProject, GitWrapper git)
{
var needCommit = false;
var paths = pathMapper.GetFilePaths(physicalName, underProject);
foreach (string path in paths)
{
logger.WriteLine("{0}: {1} revision {2}", path, actionType, version);
if (WriteRevisionTo(physicalName, version, path))
{
// add file explicitly, so it is visible to subsequent git operations
git.Add(path);
needCommit = true;
}
}
return(needCommit);
}
private bool ReplayRevision(VssPathMapper pathMapper, Revision revision,
GitWrapper git, LinkedList <Revision> labels)
{
var needCommit = false;
var actionType = revision.Action.Type;
if (revision.Item.IsProject)
{
// note that project path (and therefore target path) can be
// null if a project was moved and its original location was
// subsequently destroyed
var project = revision.Item;
var projectName = project.LogicalName;
var projectPath = pathMapper.GetProjectPath(project.PhysicalName);
var projectDesc = projectPath;
if (projectPath == null)
{
projectDesc = revision.Item.ToString();
logger.WriteLine("NOTE: {0} is currently unmapped", project);
}
VssItemName target = null;
string targetPath = null;
var namedAction = revision.Action as VssNamedAction;
if (namedAction != null)
{
target = namedAction.Name;
if (projectPath != null)
{
targetPath = Path.Combine(projectPath, target.LogicalName);
}
}
bool isAddAction = false;
bool writeFile = false;
string writeProjectPhysicalName = null;
VssItemInfo itemInfo = null;
switch (actionType)
{
case VssActionType.Label:
// defer tagging until after commit
labels.AddLast(revision);
break;
case VssActionType.Create:
// ignored; items are actually created when added to a project
break;
case VssActionType.Add:
case VssActionType.Share:
logger.WriteLine("{0}: {1} {2}", projectDesc, actionType, target.LogicalName);
itemInfo = pathMapper.AddItem(project, target);
isAddAction = true;
break;
case VssActionType.Recover:
logger.WriteLine("{0}: {1} {2}", projectDesc, actionType, target.LogicalName);
itemInfo = pathMapper.RecoverItem(project, target);
isAddAction = true;
break;
case VssActionType.Delete:
case VssActionType.Destroy:
{
logger.WriteLine("{0}: {1} {2}", projectDesc, actionType, target.LogicalName);
itemInfo = pathMapper.DeleteItem(project, target);
if (targetPath != null && !itemInfo.Destroyed)
{
if (target.IsProject)
{
if (Directory.Exists(targetPath))
{
string successor = pathMapper.TryToGetPhysicalNameContainedInProject(project, target);
if (successor != null)
{
// we already have another project with the same logical name
logger.WriteLine("NOTE: {0} contains another directory named {1}; not deleting directory",
projectDesc, target.LogicalName);
writeProjectPhysicalName = successor; // rewrite this project because it gets deleted below
}
if (((VssProjectInfo)itemInfo).ContainsFiles())
{
git.Remove(targetPath, true);
needCommit = true;
}
else
{
// git doesn't care about directories with no files
Directory.Delete(targetPath, true);
}
}
}
else
{
if (File.Exists(targetPath))
{
// not sure how it can happen, but a project can evidently
// contain another file with the same logical name, so check
// that this is not the case before deleting the file
if (pathMapper.TryToGetPhysicalNameContainedInProject(project, target) != null)
{
logger.WriteLine("NOTE: {0} contains another file named {1}; not deleting file",
projectDesc, target.LogicalName);
}
else
{
File.Delete(targetPath);
needCommit = true;
}
}
}
}
}
break;
case VssActionType.Rename:
{
var renameAction = (VssRenameAction)revision.Action;
logger.WriteLine("{0}: {1} {2} to {3}",
projectDesc, actionType, renameAction.OriginalName, target.LogicalName);
itemInfo = pathMapper.RenameItem(target);
if (targetPath != null && !itemInfo.Destroyed)
{
var sourcePath = Path.Combine(projectPath, renameAction.OriginalName);
if (target.IsProject ? Directory.Exists(sourcePath) : File.Exists(sourcePath))
{
// renaming a file or a project that contains files?
var projectInfo = itemInfo as VssProjectInfo;
if (projectInfo == null || projectInfo.ContainsFiles())
{
CaseSensitiveRename(sourcePath, targetPath, git.Move);
needCommit = true;
}
else
{
// git doesn't care about directories with no files
CaseSensitiveRename(sourcePath, targetPath, Directory.Move);
}
}
else
{
logger.WriteLine("NOTE: Skipping rename because {0} does not exist", sourcePath);
}
}
}
break;
case VssActionType.MoveFrom:
// if both MoveFrom & MoveTo are present (e.g.
// one of them has not been destroyed), only one
// can succeed, so check that the source exists
{
var moveFromAction = (VssMoveFromAction)revision.Action;
logger.WriteLine("{0}: Move from {1} to {2}",
projectDesc, moveFromAction.OriginalProject, targetPath ?? target.LogicalName);
var sourcePath = pathMapper.GetProjectPath(target.PhysicalName);
var projectInfo = pathMapper.MoveProjectFrom(
project, target, moveFromAction.OriginalProject);
if (targetPath != null && !projectInfo.Destroyed)
{
if (sourcePath != null && Directory.Exists(sourcePath))
{
if (projectInfo.ContainsFiles())
{
git.Move(sourcePath, targetPath);
needCommit = true;
}
else
{
// git doesn't care about directories with no files
Directory.Move(sourcePath, targetPath);
}
}
else
{
// project was moved from a now-destroyed project
writeProjectPhysicalName = target.PhysicalName;
}
}
}
break;
case VssActionType.MoveTo:
{
// handle actual moves in MoveFrom; this just does cleanup of destroyed projects
var moveToAction = (VssMoveToAction)revision.Action;
logger.WriteLine("{0}: Move to {1} from {2}",
projectDesc, moveToAction.NewProject, targetPath ?? target.LogicalName);
var projectInfo = pathMapper.MoveProjectTo(
project, target, moveToAction.NewProject);
if (projectInfo.Destroyed && targetPath != null && Directory.Exists(targetPath))
{
// project was moved to a now-destroyed project; remove empty directory
Directory.Delete(targetPath, true);
}
}
break;
case VssActionType.Pin:
{
var pinAction = (VssPinAction)revision.Action;
if (pinAction.Pinned)
{
logger.WriteLine("{0}: Pin {1}", projectDesc, target.LogicalName);
itemInfo = pathMapper.PinItem(project, target);
}
else
{
logger.WriteLine("{0}: Unpin {1}", projectDesc, target.LogicalName);
itemInfo = pathMapper.UnpinItem(project, target);
writeFile = !itemInfo.Destroyed;
}
}
break;
case VssActionType.Branch:
{
var branchAction = (VssBranchAction)revision.Action;
logger.WriteLine("{0}: {1} {2}", projectDesc, actionType, target.LogicalName);
itemInfo = pathMapper.BranchFile(project, target, branchAction.Source);
// branching within the project might happen after branching of the file
writeFile = true;
}
break;
case VssActionType.Archive:
// currently ignored
{
var archiveAction = (VssArchiveAction)revision.Action;
logger.WriteLine("{0}: Archive {1} to {2} (ignored)",
projectDesc, target.LogicalName, archiveAction.ArchivePath);
}
break;
case VssActionType.Restore:
{
var restoreAction = (VssRestoreAction)revision.Action;
logger.WriteLine("{0}: Restore {1} from archive {2}",
projectDesc, target.LogicalName, restoreAction.ArchivePath);
itemInfo = pathMapper.AddItem(project, target);
isAddAction = true;
}
break;
}
if (targetPath != null)
{
if (isAddAction)
{
if (revisionAnalyzer.IsDestroyed(target.PhysicalName) &&
!database.ItemExists(target.PhysicalName))
{
logger.WriteLine("NOTE: Skipping destroyed file: {0}", targetPath);
itemInfo.Destroyed = true;
}
else if (target.IsProject)
{
Directory.CreateDirectory(targetPath);
writeProjectPhysicalName = target.PhysicalName;
}
else
{
writeFile = true;
}
}
if (writeProjectPhysicalName != null && pathMapper.IsProjectRooted(writeProjectPhysicalName))
{
// create all contained subdirectories
foreach (var projectInfo in pathMapper.GetAllProjects(writeProjectPhysicalName))
{
logger.WriteLine("{0}: Creating subdirectory {1}",
projectDesc, projectInfo.LogicalName);
Directory.CreateDirectory(projectInfo.GetPath());
}
// write current rev of all contained files
foreach (var fileInfo in pathMapper.GetAllFiles(writeProjectPhysicalName))
{
if (WriteRevision(pathMapper, actionType, fileInfo.PhysicalName,
fileInfo.Version, writeProjectPhysicalName, git))
{
// one or more files were written
needCommit = true;
}
}
}
else if (writeFile)
{
// write current rev to working path
int version = pathMapper.GetFileVersion(target.PhysicalName);
if (WriteRevisionTo(target.PhysicalName, version, targetPath))
{
// add file explicitly, so it is visible to subsequent git operations
git.Add(targetPath);
needCommit = true;
}
}
}
}
// item is a file, not a project
else if (actionType == VssActionType.Edit || actionType == VssActionType.Branch)
{
// if the action is Branch, the following code is necessary only if the item
// was branched from a file that is not part of the migration subset; it will
// make sure we start with the correct revision instead of the first revision
var target = revision.Item;
// update current rev
pathMapper.SetFileVersion(target, revision.Version);
// write current rev to all sharing projects
WriteRevision(pathMapper, actionType, target.PhysicalName,
revision.Version, null, git);
needCommit = true;
}
return(needCommit);
}
public void ExportToGit(string repoPath)
{
workQueue.AddLast(delegate(object work)
{
var stopwatch = Stopwatch.StartNew();
logger.WriteSectionSeparator();
LogStatus(work, "Initializing Git repository");
// create repository directory if it does not exist
if (!Directory.Exists(repoPath))
{
Directory.CreateDirectory(repoPath);
}
var git = new GitWrapper(repoPath, logger);
git.CommitEncoding = commitEncoding;
while (!git.FindExecutable())
{
var button = MessageBox.Show("Git not found in PATH. " +
"If you need to modify your PATH variable, please " +
"restart the program for the changes to take effect.",
"Error", MessageBoxButtons.RetryCancel, MessageBoxIcon.Error);
if (button == DialogResult.Cancel)
{
workQueue.Abort();
return;
}
}
if (!RetryCancel(delegate { git.Init(); }))
{
return;
}
if (commitEncoding.WebName != "utf-8")
{
AbortRetryIgnore(delegate
{
git.SetConfig("i18n.commitencoding", commitEncoding.WebName);
});
}
var pathMapper = new VssPathMapper();
// create mappings for root projects
foreach (var rootProject in revisionAnalyzer.RootProjects)
{
var rootPath = VssPathMapper.GetWorkingPath(repoPath, rootProject.Path);
pathMapper.SetProjectPath(rootProject.PhysicalName, rootPath, rootProject.Path);
}
// replay each changeset
var changesetId = 1;
var changesets = changesetBuilder.Changesets;
var commitCount = 0;
var tagCount = 0;
var replayStopwatch = new Stopwatch();
var labels = new LinkedList<Revision>();
tagsUsed.Clear();
foreach (var changeset in changesets)
{
var changesetDesc = string.Format(CultureInfo.InvariantCulture,
"changeset {0} from {1}", changesetId, changeset.DateTime);
// replay each revision in changeset
LogStatus(work, "Replaying " + changesetDesc);
labels.Clear();
replayStopwatch.Start();
bool needCommit;
try
{
needCommit = ReplayChangeset(pathMapper, changeset, git, labels);
}
finally
{
replayStopwatch.Stop();
}
if (workQueue.IsAborting)
{
return;
}
// commit changes
if (needCommit)
{
LogStatus(work, "Committing " + changesetDesc);
if (CommitChangeset(git, changeset))
{
++commitCount;
}
}
if (workQueue.IsAborting)
{
return;
}
// create tags for any labels in the changeset
if (labels.Count > 0)
{
foreach (Revision label in labels)
{
var labelName = ((VssLabelAction)label.Action).Label;
if (string.IsNullOrEmpty(labelName))
{
logger.WriteLine("NOTE: Ignoring empty label");
}
else if (commitCount == 0)
{
logger.WriteLine("NOTE: Ignoring label '{0}' before initial commit", labelName);
}
else
{
var tagName = GetTagFromLabel(labelName);
var tagMessage = "Creating tag " + tagName;
if (tagName != labelName)
{
tagMessage += " for label '" + labelName + "'";
}
LogStatus(work, tagMessage);
// annotated tags require (and are implied by) a tag message;
// tools like Mercurial's git converter only import annotated tags
var tagComment = label.Comment;
if (string.IsNullOrEmpty(tagComment) && forceAnnotatedTags)
{
// use the original VSS label as the tag message if none was provided
tagComment = labelName;
}
if (AbortRetryIgnore(
delegate
{
git.Tag(tagName, label.User, GetEmail(label.User),
tagComment, label.DateTime);
}))
{
++tagCount;
}
}
}
}
++changesetId;
}
stopwatch.Stop();
logger.WriteSectionSeparator();
logger.WriteLine("Git export complete in {0:HH:mm:ss}", new DateTime(stopwatch.ElapsedTicks));
logger.WriteLine("Replay time: {0:HH:mm:ss}", new DateTime(replayStopwatch.ElapsedTicks));
logger.WriteLine("Git time: {0:HH:mm:ss}", new DateTime(git.ElapsedTime.Ticks));
logger.WriteLine("Git commits: {0}", commitCount);
logger.WriteLine("Git tags: {0}", tagCount);
});
}
private bool WriteRevision(VssPathMapper pathMapper, VssActionType actionType,
string physicalName, int version, string underProject, GitWrapper git)
{
var needCommit = false;
var paths = pathMapper.GetFilePaths(physicalName, underProject);
foreach (string path in paths)
{
logger.WriteLine("{0}: {1} revision {2}", path, actionType, version);
if (WriteRevisionTo(physicalName, version, path))
{
// add file explicitly, so it is visible to subsequent git operations
git.Add(path);
needCommit = true;
}
}
return needCommit;
}
private bool CommitChangeset(GitWrapper git, Changeset changeset)
{
var result = false;
AbortRetryIgnore(delegate
{
result = git.AddAll() &&
git.Commit(changeset.User, GetEmail(changeset.User),
changeset.Comment ?? DefaultComment, changeset.DateTime);
});
return result;
}
private bool ReplayRevision(VssPathMapper pathMapper, Revision revision,
GitWrapper git, LinkedList<Revision> labels)
{
var needCommit = false;
var actionType = revision.Action.Type;
if (revision.Item.IsProject)
{
// note that project path (and therefore target path) can be
// null if a project was moved and its original location was
// subsequently destroyed
var project = revision.Item;
var projectName = project.LogicalName;
var projectPath = pathMapper.GetProjectPath(project.PhysicalName);
var projectDesc = projectPath;
if (projectPath == null)
{
projectDesc = revision.Item.ToString();
logger.WriteLine("NOTE: {0} is currently unmapped", project);
}
VssItemName target = null;
string targetPath = null;
var namedAction = revision.Action as VssNamedAction;
if (namedAction != null)
{
target = namedAction.Name;
if (projectPath != null)
{
targetPath = Path.Combine(projectPath, target.LogicalName);
}
}
bool isAddAction = false;
bool writeProject = false;
bool writeFile = false;
VssItemInfo itemInfo = null;
switch (actionType)
{
case VssActionType.Label:
// defer tagging until after commit
labels.AddLast(revision);
break;
case VssActionType.Create:
// ignored; items are actually created when added to a project
break;
case VssActionType.Add:
case VssActionType.Share:
logger.WriteLine("{0}: {1} {2}", projectDesc, actionType, target.LogicalName);
itemInfo = pathMapper.AddItem(project, target);
isAddAction = true;
break;
case VssActionType.Recover:
logger.WriteLine("{0}: {1} {2}", projectDesc, actionType, target.LogicalName);
itemInfo = pathMapper.RecoverItem(project, target);
isAddAction = true;
break;
case VssActionType.Delete:
case VssActionType.Destroy:
{
logger.WriteLine("{0}: {1} {2}", projectDesc, actionType, target.LogicalName);
itemInfo = pathMapper.DeleteItem(project, target);
if (targetPath != null && !itemInfo.Destroyed)
{
if (target.IsProject)
{
if (Directory.Exists(targetPath))
{
if (((VssProjectInfo)itemInfo).ContainsFiles())
{
git.Remove(targetPath, true);
needCommit = true;
}
else
{
// git doesn't care about directories with no files
Directory.Delete(targetPath, true);
}
}
}
else
{
if (File.Exists(targetPath))
{
// not sure how it can happen, but a project can evidently
// contain another file with the same logical name, so check
// that this is not the case before deleting the file
if (pathMapper.ProjectContainsLogicalName(project, target))
{
logger.WriteLine("NOTE: {0} contains another file named {1}; not deleting file",
projectDesc, target.LogicalName);
}
else
{
File.Delete(targetPath);
needCommit = true;
}
}
}
}
}
break;
case VssActionType.Rename:
{
var renameAction = (VssRenameAction)revision.Action;
logger.WriteLine("{0}: {1} {2} to {3}",
projectDesc, actionType, renameAction.OriginalName, target.LogicalName);
itemInfo = pathMapper.RenameItem(target);
if (targetPath != null && !itemInfo.Destroyed)
{
var sourcePath = Path.Combine(projectPath, renameAction.OriginalName);
if (target.IsProject ? Directory.Exists(sourcePath) : File.Exists(sourcePath))
{
// renaming a file or a project that contains files?
var projectInfo = itemInfo as VssProjectInfo;
if (projectInfo == null || projectInfo.ContainsFiles())
{
CaseSensitiveRename(sourcePath, targetPath, git.Move);
needCommit = true;
}
else
{
// git doesn't care about directories with no files
CaseSensitiveRename(sourcePath, targetPath, Directory.Move);
}
}
else
{
logger.WriteLine("NOTE: Skipping rename because {0} does not exist", sourcePath);
}
}
}
break;
case VssActionType.MoveFrom:
// if both MoveFrom & MoveTo are present (e.g.
// one of them has not been destroyed), only one
// can succeed, so check that the source exists
{
var moveFromAction = (VssMoveFromAction)revision.Action;
logger.WriteLine("{0}: Move from {1} to {2}",
projectDesc, moveFromAction.OriginalProject, targetPath ?? target.LogicalName);
var sourcePath = pathMapper.GetProjectPath(target.PhysicalName);
var projectInfo = pathMapper.MoveProjectFrom(
project, target, moveFromAction.OriginalProject);
if (targetPath != null && !projectInfo.Destroyed)
{
if (sourcePath != null && Directory.Exists(sourcePath))
{
if (projectInfo.ContainsFiles())
{
git.Move(sourcePath, targetPath);
needCommit = true;
}
else
{
// git doesn't care about directories with no files
Directory.Move(sourcePath, targetPath);
}
}
else
{
// project was moved from a now-destroyed project
writeProject = true;
}
}
}
break;
case VssActionType.MoveTo:
{
// handle actual moves in MoveFrom; this just does cleanup of destroyed projects
var moveToAction = (VssMoveToAction)revision.Action;
logger.WriteLine("{0}: Move to {1} from {2}",
projectDesc, moveToAction.NewProject, targetPath ?? target.LogicalName);
var projectInfo = pathMapper.MoveProjectTo(
project, target, moveToAction.NewProject);
if (projectInfo.Destroyed && targetPath != null && Directory.Exists(targetPath))
{
// project was moved to a now-destroyed project; remove empty directory
Directory.Delete(targetPath, true);
}
}
break;
case VssActionType.Pin:
{
var pinAction = (VssPinAction)revision.Action;
if (pinAction.Pinned)
{
logger.WriteLine("{0}: Pin {1}", projectDesc, target.LogicalName);
itemInfo = pathMapper.PinItem(project, target);
}
else
{
logger.WriteLine("{0}: Unpin {1}", projectDesc, target.LogicalName);
itemInfo = pathMapper.UnpinItem(project, target);
writeFile = !itemInfo.Destroyed;
}
}
break;
case VssActionType.Branch:
{
var branchAction = (VssBranchAction)revision.Action;
logger.WriteLine("{0}: {1} {2}", projectDesc, actionType, target.LogicalName);
itemInfo = pathMapper.BranchFile(project, target, branchAction.Source);
// branching within the project might happen after branching of the file
writeFile = true;
}
break;
case VssActionType.Archive:
// currently ignored
{
var archiveAction = (VssArchiveAction)revision.Action;
logger.WriteLine("{0}: Archive {1} to {2} (ignored)",
projectDesc, target.LogicalName, archiveAction.ArchivePath);
}
break;
case VssActionType.Restore:
{
var restoreAction = (VssRestoreAction)revision.Action;
logger.WriteLine("{0}: Restore {1} from archive {2}",
projectDesc, target.LogicalName, restoreAction.ArchivePath);
itemInfo = pathMapper.AddItem(project, target);
isAddAction = true;
}
break;
}
if (targetPath != null)
{
if (isAddAction)
{
if (revisionAnalyzer.IsDestroyed(target.PhysicalName) &&
!database.ItemExists(target.PhysicalName))
{
logger.WriteLine("NOTE: Skipping destroyed file: {0}", targetPath);
itemInfo.Destroyed = true;
}
else if (target.IsProject)
{
Directory.CreateDirectory(targetPath);
writeProject = true;
}
else
{
writeFile = true;
}
}
if (writeProject && pathMapper.IsProjectRooted(target.PhysicalName))
{
// create all contained subdirectories
foreach (var projectInfo in pathMapper.GetAllProjects(target.PhysicalName))
{
logger.WriteLine("{0}: Creating subdirectory {1}",
projectDesc, projectInfo.LogicalName);
Directory.CreateDirectory(projectInfo.GetPath());
}
// write current rev of all contained files
foreach (var fileInfo in pathMapper.GetAllFiles(target.PhysicalName))
{
if (WriteRevision(pathMapper, actionType, fileInfo.PhysicalName,
fileInfo.Version, target.PhysicalName, git))
{
// one or more files were written
needCommit = true;
}
}
}
else if (writeFile)
{
// write current rev to working path
int version = pathMapper.GetFileVersion(target.PhysicalName);
if (WriteRevisionTo(target.PhysicalName, version, targetPath))
{
// add file explicitly, so it is visible to subsequent git operations
git.Add(targetPath);
needCommit = true;
}
}
}
}
// item is a file, not a project
else if (actionType == VssActionType.Edit || actionType == VssActionType.Branch)
{
// if the action is Branch, the following code is necessary only if the item
// was branched from a file that is not part of the migration subset; it will
// make sure we start with the correct revision instead of the first revision
var target = revision.Item;
// update current rev
pathMapper.SetFileVersion(target, revision.Version);
// write current rev to all sharing projects
WriteRevision(pathMapper, actionType, target.PhysicalName,
revision.Version, null, git);
needCommit = true;
}
return needCommit;
}
private bool ReplayChangeset(VssPathMapper pathMapper, Changeset changeset,
GitWrapper git, LinkedList<Revision> labels)
{
var needCommit = false;
foreach (Revision revision in changeset.Revisions)
{
if (workQueue.IsAborting)
{
break;
}
AbortRetryIgnore(delegate
{
needCommit |= ReplayRevision(pathMapper, revision, git, labels);
});
}
return needCommit;
}
private void AddNewItems(GitWrapper git)
{
int counter = 0;
if (pathsToAdd.Count > 0)
{
while (true)
{
//make sure we do not make the path so long it will not run.
var itemsToAdd = pathsToAdd.Skip(counter * 100).Take(100).ToList();
if (itemsToAdd.Count == 0)
{
return;
}
git.Add(itemsToAdd);
counter++;
}
}
}
private bool ReplayRevisionAlt(Revision revision,
GitWrapper git, LinkedList<Revision> labels)
{
var needCommit = false;
var actionType = revision.Action.Type;
// We don't worry about projects! <smile>
if (
(!revision.Item.IsProject)
&&
(actionType == VssActionType.Create) || (actionType == VssActionType.Edit)
)
{
FileLocation fileLocation;
if (fileAnalyzer.SortedFileLocations.TryGetValue(revision.Item.PhysicalName, out fileLocation))
{
var path = VssPathMapper.GetWorkingPath(repoPath, fileLocation.Path, inheritProjectDir ? "" : fileAnalyzer.vssRootProjectPath);
logger.WriteLine("{0}: {1} revision {2}", fileLocation.Path, actionType, revision.Version);
if (WriteRevisionTo(revision.Item.PhysicalName, revision.Version, path))
{
// add file explicitly, so it is visible to subsequent git operations
git.Add(path);
needCommit = true;
}
}
}
return needCommit;
}
private bool ReplayRevision(VssPathMapper pathMapper, Revision revision,
GitWrapper git, LinkedList <Revision> labels)
{
var needCommit = false;
var actionType = revision.Action.Type;
if (revision.Item.IsProject)
{
// note that project path (and therefore target path) can be
// null if a project was moved and its original location was
// subsequently destroyed
var project = revision.Item;
var projectPath = pathMapper.GetProjectPath(project.PhysicalName);
var projectDesc = projectPath;
if (projectPath == null)
{
projectDesc = revision.Item.ToString();
logger.WriteLine("NOTE: {0} is currently unmapped", project);
}
VssItemName target = null;
string targetPath = null;
if (revision.Action is VssNamedAction namedAction)
{
target = namedAction.Name;
if (projectPath != null)
{
targetPath = Path.Combine(projectPath, target.LogicalName);
}
}
var isAddAction = false;
var writeProject = false;
var writeFile = false;
VssItemInfo itemInfo = null;
switch (actionType)
{
case VssActionType.Label:
// defer tagging until after commit
labels.AddLast(revision);
break;
case VssActionType.Create:
// ignored; items are actually created when added to a project
break;
case VssActionType.Add:
case VssActionType.Share:
logger.WriteLine("{0}: {1} {2}", projectDesc, actionType, target.LogicalName);
itemInfo = pathMapper.AddItem(project, target);
isAddAction = true;
break;
case VssActionType.Recover:
logger.WriteLine("{0}: {1} {2}", projectDesc, actionType, target.LogicalName);
itemInfo = pathMapper.RecoverItem(project, target);
isAddAction = true;
break;
case VssActionType.Delete:
case VssActionType.Destroy:
{
logger.WriteLine("{0}: {1} {2}", projectDesc, actionType, target.LogicalName);
itemInfo = pathMapper.DeleteItem(project, target);
if (targetPath != null && !itemInfo.Destroyed)
{
if (target.IsProject)
{
if (Directory.Exists(targetPath))
{
if (((VssProjectInfo)itemInfo).ContainsFiles())
{
git.Remove(targetPath, true);
needCommit = true;
}
else
{
// git doesn't care about directories with no files
Directory.Delete(targetPath, true);
}
}
}
else
{
if (File.Exists(targetPath))
{
// not sure how it can happen, but a project can evidently
// contain another file with the same logical name, so check
// that this is not the case before deleting the file
if (pathMapper.ProjectContainsLogicalName(project, target))
{
logger.WriteLine("NOTE: {0} contains another file named {1}; not deleting file",
projectDesc, target.LogicalName);
}
else
{
File.Delete(targetPath);
needCommit = true;
}
}
}
}
}
break;
case VssActionType.Rename:
{
var renameAction = (VssRenameAction)revision.Action;
logger.WriteLine("{0}: {1} {2} to {3}",
projectDesc, actionType, renameAction.OriginalName, target.LogicalName);
itemInfo = pathMapper.RenameItem(target);
if (targetPath != null && !itemInfo.Destroyed)
{
var sourcePath = Path.Combine(projectPath, renameAction.OriginalName);
if (target.IsProject ? Directory.Exists(sourcePath) : File.Exists(sourcePath))
{
// renaming a file or a project that contains files?
if (!(itemInfo is VssProjectInfo projectInfo) || (projectInfo.ContainsFiles() && projectInfo.Items.All(x => !x.Destroyed)))
{
CaseSensitiveRename(sourcePath, targetPath, git.Move);
needCommit = true;
}
else
{
// git doesn't care about directories with no files
CaseSensitiveRename(sourcePath, targetPath, CaseSensitiveDirectoryMove);
}
}
else
{
logger.WriteLine("NOTE: Skipping rename because {0} does not exist", sourcePath);
}
}
}
break;