private void Checkout(Uri svnUri, SvnChangeset set, string workPath)
{
using (SvnClient svn = new SvnClient())
{
if (Directory.Exists(workPath))
{
try
{
svn.Switch(workPath, new SvnUriTarget(svnUri, set.Revision));
}
catch (SvnFileSystemException)
{
// this seems to happen when you try to switch to a branch
// without any file changes - revision 814 in Cyotek triggers this
// in this case, we do a full checkout which seems to succeed fine
ShellHelpers.DeletePath(workPath);
this.FullCheckout(svn, svnUri, set, workPath);
}
}
else
{
this.FullCheckout(svn, svnUri, set, workPath);
}
}
}
private void MigrateBackgroundWorker_DoWork(object sender, DoWorkEventArgs e)
{
MigrationOptions options;
Uri svnUri;
SvnChangesetCollection sets;
string workPath;
string gitPath;
StringCollection includes;
StringCollection excludes;
options = (MigrationOptions)e.Argument;
svnUri = options.SvnUri;
workPath = options.WorkingPath;
gitPath = options.RepositoryPath;
includes = this.GetGlobs(includesTextBox);
excludes = this.GetGlobs(excludesTextBox);
sets = options.Revisions;
this.CreateGitRepository(gitPath);
for (int i = 0; i < sets.Count; i++)
{
SvnChangeset set;
int progress;
ProgressState args;
set = sets[i];
progress = Convert.ToInt32((double)i / sets.Count * 100);
args = new ProgressState
{
Total = sets.Count,
Current = i + 1,
Changeset = set
};
if (string.IsNullOrEmpty(set.Author.EmailAddress))
{
set.Author = options.Authors.GetMapping(set.Author.Name);
}
if (this.ShouldCheckout(set, includes, excludes))
{
migrateBackgroundWorker.ReportProgress(progress, args);
this.Checkout(svnUri, set, workPath);
SimpleFolderSync.SyncFolders(workPath, gitPath, includes, excludes);
try
{
this.Commit(gitPath, set);
}
catch (EmptyCommitException)
{
// ignore, if we get this the user has
// disabled the option to allow empty commits
}
}
else
{
args.Changeset = null;
migrateBackgroundWorker.ReportProgress(progress, args);
}
if (migrateBackgroundWorker.CancellationPending)
{
throw new ApplicationException("User cancelled operation.");
}
}
ShellHelpers.DeletePath(workPath);
}