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RefLogWriter.cs
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RefLogWriter.cs
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/*
* Copyright (C) 2007, Dave Watson <dwatson@mimvista.com>
* Copyright (C) 2007, Robin Rosenberg <robin.rosenberg@dewire.com>
* Copyright (C) 2006, Shawn O. Pearce <spearce@spearce.org>
* Copyright (C) 2008, Kevin Thompson <kevin.thompson@theautomaters.com>
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
*
* - Neither the name of the Git Development Community nor the
* names of its contributors may be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.IO;
using Gitty.Core.Util;
namespace Gitty.Core
{
[Complete]
public class RefLogWriter
{
/**
* Writes reflog entry for ref specified by refName
*
* @param repo
* repository to use
* @param oldCommit
* previous commit
* @param commit
* new commit
* @param message
* reflog message
* @param refName
* full ref name
*/
public static void WriteReflog(Repository repo, ObjectId oldCommit, ObjectId commit, String message, String refName)
{
String entry = BuildReflogString(repo, oldCommit, commit, message);
DirectoryInfo directory = repo.Directory;
FileInfo reflogfile = PathUtil.CombineFilePath(directory, "logs/" + refName);
DirectoryInfo reflogdir = reflogfile.Directory;
if (!reflogdir.Exists)
{
try
{
reflogdir.Create();
}
catch (Exception)
{
throw new IOException("Cannot create directory " + reflogdir);
}
}
StreamWriter writer = new StreamWriter(reflogfile.OpenWrite());
writer.WriteLine(entry);
writer.Close();
}
private static String BuildReflogString(Repository repo, ObjectId oldCommit, ObjectId commit, String message)
{
PersonIdent me = new PersonIdent(repo);
String initial = "";
if (oldCommit == null)
{
oldCommit = ObjectId.ZeroId;
initial = " (initial)";
}
String s = oldCommit.ToString() + " " + commit.ToString() + " "
+ me.ToExternalString() + "\t" + message + initial;
return s;
}
}
}