/// <summary>Detect index changes.</summary> /// <remarks>Detect index changes.</remarks> private void DetectIndexChanges() { if (IsBare) { return; } FilePath indexFile = GetIndexFile(); if (snapshot == null) { snapshot = FileSnapshot.Save(indexFile); } else { if (snapshot.IsModified(indexFile)) { NotifyIndexChanged(); } } }
/// <returns> /// returns true if the currently loaded configuration file is older /// than the file on disk /// </returns> public virtual bool IsOutdated() { return(snapshot.IsModified(GetFile())); }
/// <exception cref="System.IO.IOException"></exception> private RefDirectory.LooseRef ScanRef(RefDirectory.LooseRef @ref, string name) { FilePath path = FileFor(name); FileSnapshot currentSnapshot = null; if (@ref != null) { currentSnapshot = @ref.GetSnapShot(); if (!currentSnapshot.IsModified(path)) { return(@ref); } name = @ref.GetName(); } int limit = 4096; byte[] buf; FileSnapshot otherSnapshot = FileSnapshot.Save(path); try { buf = IOUtil.ReadSome(path, limit); } catch (FileNotFoundException) { return(null); } // doesn't exist; not a reference. int n = buf.Length; if (n == 0) { return(null); } // empty file; not a reference. if (IsSymRef(buf, n)) { if (n == limit) { return(null); } // possibly truncated ref // trim trailing whitespace while (0 < n && char.IsWhiteSpace((char)buf[n - 1])) { n--; } if (n < 6) { string content = RawParseUtils.Decode(buf, 0, n); throw new IOException(MessageFormat.Format(JGitText.Get().notARef, name, content) ); } string target = RawParseUtils.Decode(buf, 5, n); if (@ref != null && @ref.IsSymbolic() && @ref.GetTarget().GetName().Equals(target )) { currentSnapshot.SetClean(otherSnapshot); return(@ref); } return(NewSymbolicRef(otherSnapshot, name, target)); } if (n < Constants.OBJECT_ID_STRING_LENGTH) { return(null); } // impossibly short object identifier; not a reference. ObjectId id; try { id = ObjectId.FromString(buf, 0); if (@ref != null && [email protected]() && @ref.GetTarget().GetObjectId().Equals(id )) { currentSnapshot.SetClean(otherSnapshot); return(@ref); } } catch (ArgumentException) { while (0 < n && char.IsWhiteSpace((char)buf[n - 1])) { n--; } string content = RawParseUtils.Decode(buf, 0, n); throw new IOException(MessageFormat.Format(JGitText.Get().notARef, name, content) ); } return(new RefDirectory.LooseUnpeeled(otherSnapshot, name, id)); }