private void GetDiff(IResource repository, FileChange fileChange)
{
if (fileChange.HasProp(Props.Diff))
{
return;
}
int revision = fileChange.Revision;
if (revision == 1)
{
return;
}
string repoRoot = repository.GetProp(Props.RepositoryRoot);
if (repoRoot == null)
{
try
{
repoRoot = GetRunner(repository).GetSvnInfo("Repository Root:");
ClearLastError(repository);
}
catch (RunnerException ex)
{
SetLastError(repository, ex);
return;
}
new ResourceProxy(repository).SetPropAsync(Props.RepositoryRoot, repoRoot);
}
string repoPath = BuildFileName(repository, fileChange);
SvnRunner svnRunner = GetRunner(repository);
svnRunner.RepositoryUrl = repoRoot;
try
{
string diff = svnRunner.GetDiff(repoPath, revision - 1, revision);
fileChange.Diff = diff;
fileChange.SaveAsync();
if (diff == "")
{
CheckBinaryFile(repository, repoRoot, repoPath, fileChange);
}
ClearLastError(repository);
}
catch (RunnerException ex)
{
SetLastError(repository, ex);
}
}
private static void CheckBinaryFile(IResource repository, string repoRoot, string repoPath, FileChange fileChange)
{
SvnRunner svnRunner = GetRunner(repository);
svnRunner.RepositoryUrl = repoRoot;
try
{
string prop = svnRunner.GetProperty(repoPath, "svn:mime-type");
ClearLastError(repository);
// see libsvn_subr/validate.c:svn_mime_type_is_binary() in Subversion source code
if (!prop.StartsWith("text/") && !prop.StartsWith("image/x-xbitmap") &&
!prop.StartsWith("image/x-xpixmap"))
{
fileChange.Binary = true;
fileChange.SaveAsync();
}
}
catch (RunnerException ex)
{
SetLastError(repository, ex);
}
}