} // End Function ReadFile
public static string GetDiff(Repository repo, DiffEntry entry)
{
string strDiff = null;
using (System.IO.MemoryStream ms = new System.IO.MemoryStream())
{
DiffFormatter diffFormatter = new DiffFormatter(ms);
diffFormatter.SetRepository(repo);
diffFormatter.Format(diffFormatter.ToFileHeader(entry));
ms.Position = 0;
using (System.IO.StreamReader sr = new System.IO.StreamReader(ms))
{
strDiff = sr.ReadToEnd();
}
}
return strDiff;
} // End Function GetDiff
} // End Function GetDiff
// https://stackoverflow.com/questions/13537734/how-to-use-jgit-to-get-list-of-changed-files
// https://github.com/centic9/jgit-cookbook/blob/master/src/main/java/org/dstadler/jgit/porcelain/ShowChangedFilesBetweenCommits.java
public static void GetChanges(Git git, Repository repo, RevCommit oldCommit, RevCommit newCommit)
{
System.Console.WriteLine("Printing diff between commit: " + oldCommit.ToString() + " and " + newCommit.ToString());
ObjectReader reader = repo.NewObjectReader();
// prepare the two iterators to compute the diff between
CanonicalTreeParser oldTreeIter = new CanonicalTreeParser();
oldTreeIter.Reset(reader, oldCommit.Tree.Id);
CanonicalTreeParser newTreeIter = new CanonicalTreeParser();
newTreeIter.Reset(reader, newCommit.Tree.Id);
// DiffStatFormatter df = new DiffStatFormatter(newCommit.Name, repo);
using (System.IO.MemoryStream ms = new System.IO.MemoryStream())
{
DiffFormatter diffFormatter = new DiffFormatter(ms);
diffFormatter.SetRepository(repo);
int entryCount = 0;
foreach (DiffEntry entry in diffFormatter.Scan(oldCommit, newCommit))
{
string pathToUse = null;
TreeWalk treeWalk = new TreeWalk(repo);
treeWalk.Recursive = true;
if (entry.GetChangeType() == DiffEntry.ChangeType.DELETE)
{
treeWalk.AddTree(oldCommit.Tree);
pathToUse = entry.GetOldPath();
}
else
{
treeWalk.AddTree(newCommit.Tree);
pathToUse = entry.GetNewPath();
}
treeWalk.Filter = PathFilter.Create(pathToUse);
if (!treeWalk.Next())
{
throw new System.Exception("Did not find expected file '" + pathToUse + "'");
}
ObjectId objectId = treeWalk.GetObjectId(0);
ObjectLoader loader = repo.Open(objectId);
string strModifiedFile = ReadFile(loader);
System.Console.WriteLine(strModifiedFile);
//////////////
// https://stackoverflow.com/questions/27361538/how-to-show-changes-between-commits-with-jgit
diffFormatter.Format(diffFormatter.ToFileHeader(entry));
string diff = GetDiff(repo, entry);
System.Console.WriteLine(diff);
entryCount++;
} // Next entry
System.Console.WriteLine(entryCount);
ms.Position = 0;
using (System.IO.StreamReader sr = new System.IO.StreamReader(ms))
{
string strAllDiffs = sr.ReadToEnd();
System.Console.WriteLine(strAllDiffs);
} // End Using sr
} // End Using ms
System.Collections.Generic.IList<DiffEntry> diffs = git.Diff()
.SetNewTree(newTreeIter)
.SetOldTree(oldTreeIter)
.Call();
foreach (DiffEntry entry in diffs)
{
System.Console.WriteLine("Entry: " + entry);
System.Console.WriteLine("Entry: " + entry.GetChangeType());
} // Next entry
System.Console.WriteLine("Done");
} // End Sub GetChanges
