internal FileStorageComparisonCache(string path, int comparisonsToKeep)
{
_path = Path.Combine(path, ComparisonCacheSubFolderName);
string oldPath = Path.Combine(path, OldComparisonCacheSubFolderName);
FileStorageUtils.MigrateDirectory(oldPath, _path);
cleanupOldComparisons(comparisonsToKeep);
}
internal FileStorageRevisionCache(string path, int revisionsToKeep)
{
Path = System.IO.Path.Combine(path, RevisionsSubFolderName);
string oldPath = System.IO.Path.Combine(path, OldRevisionsSubFolderName);
FileStorageUtils.MigrateDirectory(oldPath, Path);
cleanupOldRevisions(revisionsToKeep);
renameOldRevisions();
}
private void renameOldRevisions()
{
if (!Directory.Exists(Path))
{
return;
}
IEnumerable <string> allSubdirectories;
try
{
allSubdirectories = Directory.GetDirectories(Path, "*", SearchOption.TopDirectoryOnly);
}
catch (Exception ex) // Any exception from Directory.GetDirectories()
{
ExceptionHandlers.Handle(String.Format("Cannot obtain a list of subdirectories at {0}", Path), ex);
return;
}
foreach (string oldPath in allSubdirectories)
{
string oldRevisionDirName;
try
{
oldRevisionDirName = System.IO.Path.GetFileName(oldPath);
}
catch (ArgumentException ex)
{
ExceptionHandlers.Handle(String.Format("Cannot obtain directory name from path {0}", oldPath), ex);
continue;
}
if (oldRevisionDirName.Length != FileStorageUtils.FullShaLength)
{
continue;
}
// oldRevisionDirName is a full git SHA
string newRevisionDirName = FileStorageUtils.ConvertShaToRevision(oldRevisionDirName);
string newPath = System.IO.Path.Combine(Path, newRevisionDirName);
FileStorageUtils.MigrateDirectory(oldPath, newPath);
}
}