void RevertUnimportant(IDestinationDriver driver, string path, string relPath, Action<bool> prepareFileForModifications)
{
var relNorm = relPath.ToLowerInvariant().Replace('\\', '/').Trim('/');
var unimportantPatterns = _unimportants.Where(t => t.Item1.IsMatch(relNorm)).ToArray();
if (unimportantPatterns.Length == 0)
return;
var diff = driver.GetDiff(path);
var diffLines = diff
.Split("\r\n".ToCharArray(), StringSplitOptions.RemoveEmptyEntries)
// skip header up to @@ marker
.SkipWhile(s => !s.StartsWith("@@"))
// get only real diff
.Where(s => s.StartsWith("-") || s.StartsWith("+"))
;
// check if all differences matched to any pattern
if (diffLines.All(diffLine => unimportantPatterns.Any(t => t.Item2.IsMatch(diffLine))))
{
// file contains only unimportant changes and will not be included in commit
prepareFileForModifications(false);
// revert all unimportant changes
driver.Revert(path);
Console.WriteLine(" Skip unimportant: {0}", relPath);
}
}
void LoadRevision(IDestinationDriver driver, Commit commit, StreamWriter log)
{
var added = new List<string>();
foreach (var file in commit.Files)
{
var filePath = _cache.GetFilePath(file.FileSpec, file.VssVersion);
if(filePath == null)
{
Debugger.Break();
log.WriteLine("File {0}@{1} absent in cache. Rerun 'VssSvnConverter build-cache'", file.FileSpec, file.VssVersion);
Console.Error.WriteLine("File {0}@{1} absent in cache. Rerun 'VssSvnConverter build-cache'", file.FileSpec, file.VssVersion);
Environment.Exit(1);
}
var relPath = file.FileSpec.TrimStart('$', '/', '\\');
// mangle path
if (_opts.MangleImportPath.Count > 0)
{
foreach (var manglePair in _opts.MangleImportPath)
{
relPath = manglePair.Item1.Replace(relPath, manglePair.Item2);
}
}
// special mode for check unimportant differenrces
if (_opts.ImportUnimportantOnly && !_unimportants.Any(t => t.Item1.IsMatch(relPath.ToLowerInvariant().Replace('\\', '/').Trim('/'))))
continue;
log.WriteLine("Load: {0} -> {1}", file, relPath);
var dstPath = Path.Combine(driver.WorkingCopy, relPath);
var dstDir = Path.GetDirectoryName(dstPath);
Debug.Assert(dstDir != null);
if(!Directory.Exists(dstDir))
driver.AddDirectory(dstDir);
var addToVcs = !File.Exists(dstPath);
if(File.Exists(dstPath))
{
File.Delete(dstPath);
log.WriteLine("Deleted: {0}", dstPath);
}
if(_useHardLink)
{
_useHardLink = CreateHardLink(dstPath, filePath, IntPtr.Zero);
log.WriteLine("CreateHl: {0} -> {1} result: {2}", filePath, dstPath, _useHardLink);
}
if(!_useHardLink)
{
File.Copy(filePath, dstPath, true);
log.WriteLine("Copy: {0} -> {1}", filePath, dstPath);
}
// git can not detect modifications if MTime not updated
File.SetLastWriteTimeUtc(filePath, DateTime.UtcNow);
if(addToVcs)
added.Add(dstPath);
// file can be modified in place if it is not hardlink
var canBeModifiedInplace = !_useHardLink;
Action<bool> prepareForModifyInplace = recuireContent => {
if (canBeModifiedInplace)
return;
// make copy of file instead of hardlink
File.Delete(dstPath);
if (recuireContent)
{
File.Copy(filePath, dstPath, true);
log.WriteLine("Copy: {0} -> {1}", filePath, dstPath);
}
canBeModifiedInplace = true;
};
DoCensoring(driver.WorkingCopy, dstPath, _censors, prepareForModifyInplace);
if (!addToVcs && _unimportants.Count > 0)
RevertUnimportant(driver, dstPath, relPath, prepareForModifyInplace);
}
if(added.Count > 0)
driver.AddFiles(added.ToArray());
}
