Exemplo n.º 1
0
        /// <summary>Checkout paths into index and working directory</summary>
        /// <returns>this instance</returns>
        /// <exception cref="System.IO.IOException">System.IO.IOException</exception>
        /// <exception cref="NGit.Api.Errors.RefNotFoundException">NGit.Api.Errors.RefNotFoundException
        ///     </exception>
        protected internal virtual NGit.Api.CheckoutCommand CheckoutPaths()
        {
            RevWalk  revWalk = new RevWalk(repo);
            DirCache dc      = repo.LockDirCache();

            try
            {
                TreeWalk treeWalk = new TreeWalk(revWalk.GetObjectReader());
                treeWalk.Recursive = true;
                treeWalk.AddTree(new DirCacheIterator(dc));
                treeWalk.Filter = PathFilterGroup.CreateFromStrings(paths);
                IList <string> files = new List <string>();
                while (treeWalk.Next())
                {
                    files.AddItem(treeWalk.PathString);
                }
                if (startCommit != null || startPoint != null)
                {
                    DirCacheEditor editor    = dc.Editor();
                    TreeWalk       startWalk = new TreeWalk(revWalk.GetObjectReader());
                    startWalk.Recursive = true;
                    startWalk.Filter    = treeWalk.Filter;
                    startWalk.AddTree(revWalk.ParseCommit(GetStartPoint()).Tree);
                    while (startWalk.Next())
                    {
                        ObjectId blobId = startWalk.GetObjectId(0);
                        editor.Add(new _PathEdit_258(blobId, startWalk.PathString));
                    }
                    editor.Commit();
                }
                FilePath workTree = repo.WorkTree;
                foreach (string file in files)
                {
                    DirCacheCheckout.CheckoutEntry(repo, new FilePath(workTree, file), dc.GetEntry(file
                                                                                                   ));
                }
            }
            finally
            {
                dc.Unlock();
                revWalk.Release();
            }
            return(this);
        }
Exemplo n.º 2
0
        private void ResetIndexForPaths(RevCommit commit)
        {
            DirCache       dc = null;
            DirCacheEditor edit;

            try
            {
                dc   = repo.LockDirCache();
                edit = dc.Editor();
                TreeWalk tw = new TreeWalk(repo);
                tw.AddTree(new DirCacheIterator(dc));
                tw.AddTree(commit.Tree);
                tw.Filter = PathFilterGroup.CreateFromStrings(filepaths);
                while (tw.Next())
                {
                    string path = tw.PathString;
                    // DirCacheIterator dci = tw.getTree(0, DirCacheIterator.class);
                    CanonicalTreeParser tree = tw.GetTree <CanonicalTreeParser>(1);
                    if (tree == null)
                    {
                        // file is not in the commit, remove from index
                        edit.Add(new DirCacheEditor.DeletePath(path));
                    }
                    else
                    {
                        // revert index to commit
                        edit.Add(new _PathEdit_281(tree, path));
                    }
                }
                edit.Commit();
            }
            catch (IOException e)
            {
                throw new RuntimeException(e);
            }
            finally
            {
                if (dc != null)
                {
                    dc.Unlock();
                }
            }
        }
Exemplo n.º 3
0
        /// <exception cref="System.IO.IOException"></exception>
        private void ResetIndex(RevCommit commit)
        {
            DirCache dc   = repo.LockDirCache();
            TreeWalk walk = null;

            try
            {
                DirCacheEditor editor = dc.Editor();
                walk = new TreeWalk(repo);
                walk.AddTree(commit.Tree);
                walk.AddTree(new DirCacheIterator(dc));
                walk.Recursive = true;
                while (walk.Next())
                {
                    AbstractTreeIterator cIter = walk.GetTree <AbstractTreeIterator>(0);
                    if (cIter == null)
                    {
                        editor.Add(new DirCacheEditor.DeletePath(walk.PathString));
                        continue;
                    }
                    DirCacheEntry entry = new DirCacheEntry(walk.RawPath);
                    entry.FileMode = cIter.EntryFileMode;
                    entry.SetObjectIdFromRaw(cIter.IdBuffer, cIter.IdOffset);
                    DirCacheIterator dcIter = walk.GetTree <DirCacheIterator>(1);
                    if (dcIter != null && dcIter.IdEqual(cIter))
                    {
                        DirCacheEntry indexEntry = dcIter.GetDirCacheEntry();
                        entry.LastModified = indexEntry.LastModified;
                        entry.SetLength(indexEntry.Length);
                    }
                    editor.Add(new _PathEdit_356(entry, entry));
                }
                editor.Commit();
            }
            finally
            {
                dc.Unlock();
                if (walk != null)
                {
                    walk.Release();
                }
            }
        }
Exemplo n.º 4
0
        public virtual void RepositoryWithInitializedSubmodule()
        {
            ObjectId       id     = ObjectId.FromString("abcd1234abcd1234abcd1234abcd1234abcd1234");
            string         path   = "sub";
            DirCache       cache  = db.LockDirCache();
            DirCacheEditor editor = cache.Editor();

            editor.Add(new _PathEdit_172(id, path));
            editor.Commit();
            Repository subRepo = Git.Init().SetBare(false).SetDirectory(new FilePath(db.WorkTree
                                                                                     , path)).Call().GetRepository();

            NUnit.Framework.Assert.IsNotNull(subRepo);
            SubmoduleUpdateCommand command = new SubmoduleUpdateCommand(db);
            ICollection <string>   updated = command.Call();

            NUnit.Framework.Assert.IsNotNull(updated);
            NUnit.Framework.Assert.IsTrue(updated.IsEmpty());
        }
Exemplo n.º 5
0
        public virtual void GeneratorFilteredToOneOfTwoSubmodules()
        {
            ObjectId       id1    = ObjectId.FromString("abcd1234abcd1234abcd1234abcd1234abcd1234");
            string         path1  = "sub1";
            ObjectId       id2    = ObjectId.FromString("abcd1234abcd1234abcd1234abcd1234abcd1235");
            string         path2  = "sub2";
            DirCache       cache  = db.LockDirCache();
            DirCacheEditor editor = cache.Editor();

            editor.Add(new _PathEdit_271(id1, path1));
            editor.Add(new _PathEdit_278(id2, path2));
            editor.Commit();
            SubmoduleWalk gen = SubmoduleWalk.ForIndex(db);

            gen.SetFilter(PathFilter.Create(path1));
            NUnit.Framework.Assert.IsTrue(gen.Next());
            NUnit.Framework.Assert.AreEqual(path1, gen.GetPath());
            NUnit.Framework.Assert.AreEqual(id1, gen.GetObjectId());
            NUnit.Framework.Assert.IsFalse(gen.Next());
        }
Exemplo n.º 6
0
        public virtual void RepositoryWithNoSubmoduleRepository()
        {
            ObjectId       id     = ObjectId.FromString("abcd1234abcd1234abcd1234abcd1234abcd1234");
            string         path   = "sub";
            DirCache       cache  = db.LockDirCache();
            DirCacheEditor editor = cache.Editor();

            editor.Add(new _PathEdit_216(id, path));
            editor.Commit();
            string       url    = "git://server/repo.git";
            StoredConfig config = ((FileBasedConfig)db.GetConfig());

            config.SetString(ConfigConstants.CONFIG_SUBMODULE_SECTION, path, ConfigConstants.
                             CONFIG_KEY_URL, url);
            config.Save();
            FileBasedConfig modulesConfig = new FileBasedConfig(new FilePath(db.WorkTree, Constants
                                                                             .DOT_GIT_MODULES), db.FileSystem);

            modulesConfig.SetString(ConfigConstants.CONFIG_SUBMODULE_SECTION, path, ConfigConstants
                                    .CONFIG_KEY_PATH, path);
            modulesConfig.SetString(ConfigConstants.CONFIG_SUBMODULE_SECTION, path, ConfigConstants
                                    .CONFIG_KEY_URL, url);
            modulesConfig.Save();
            SubmoduleStatusCommand command = new SubmoduleStatusCommand(db);
            IDictionary <string, SubmoduleStatus> statuses = command.Call();

            NUnit.Framework.Assert.IsNotNull(statuses);
            NUnit.Framework.Assert.AreEqual(1, statuses.Count);
            KeyValuePair <string, SubmoduleStatus> module = statuses.EntrySet().Iterator().Next
                                                                ();

            NUnit.Framework.Assert.IsNotNull(module);
            NUnit.Framework.Assert.AreEqual(path, module.Key);
            SubmoduleStatus status = module.Value;

            NUnit.Framework.Assert.IsNotNull(status);
            NUnit.Framework.Assert.AreEqual(path, status.GetPath());
            NUnit.Framework.Assert.AreEqual(id, status.GetIndexId());
            NUnit.Framework.Assert.AreEqual(SubmoduleStatusType.UNINITIALIZED, status.GetType
                                                ());
        }
Exemplo n.º 7
0
        public virtual void RepositoryWithSubmodule()
        {
            WriteTrashFile("file.txt", "content");
            Git git = Git.Wrap(db);

            git.Add().AddFilepattern("file.txt").Call();
            RevCommit      commit = git.Commit().SetMessage("create file").Call();
            string         path   = "sub";
            DirCache       cache  = db.LockDirCache();
            DirCacheEditor editor = cache.Editor();

            editor.Add(new _PathEdit_94(commit, path));
            editor.Commit();
            StoredConfig config = ((FileBasedConfig)db.GetConfig());

            config.SetString(ConfigConstants.CONFIG_SUBMODULE_SECTION, path, ConfigConstants.
                             CONFIG_KEY_URL, db.Directory.ToURI().ToString());
            config.Save();
            FileBasedConfig modulesConfig = new FileBasedConfig(new FilePath(db.WorkTree, Constants
                                                                             .DOT_GIT_MODULES), db.FileSystem);

            modulesConfig.SetString(ConfigConstants.CONFIG_SUBMODULE_SECTION, path, ConfigConstants
                                    .CONFIG_KEY_PATH, path);
            modulesConfig.Save();
            SubmoduleUpdateCommand command = new SubmoduleUpdateCommand(db);
            ICollection <string>   updated = command.Call();

            NUnit.Framework.Assert.IsNotNull(updated);
            NUnit.Framework.Assert.AreEqual(1, updated.Count);
            NUnit.Framework.Assert.AreEqual(path, updated.Iterator().Next());
            SubmoduleWalk generator = SubmoduleWalk.ForIndex(db);

            NUnit.Framework.Assert.IsTrue(generator.Next());
            Repository subRepo = generator.GetRepository();

            AddRepoToClose(subRepo);
            NUnit.Framework.Assert.IsNotNull(subRepo);
            NUnit.Framework.Assert.AreEqual(commit, subRepo.Resolve(Constants.HEAD));
        }
Exemplo n.º 8
0
        public virtual void IndexWithGitmodules()
        {
            ObjectId subId      = ObjectId.FromString("abcd1234abcd1234abcd1234abcd1234abcd1234");
            string   path       = "sub";
            Config   gitmodules = new Config();

            gitmodules.SetString(ConfigConstants.CONFIG_SUBMODULE_SECTION, path, ConfigConstants
                                 .CONFIG_KEY_PATH, "sub");
            // Different config in the index should be overridden by the working tree.
            gitmodules.SetString(ConfigConstants.CONFIG_SUBMODULE_SECTION, path, ConfigConstants
                                 .CONFIG_KEY_URL, "git://example.com/bad");
            RevBlob gitmodulesBlob = testDb.Blob(gitmodules.ToText());

            gitmodules.SetString(ConfigConstants.CONFIG_SUBMODULE_SECTION, path, ConfigConstants
                                 .CONFIG_KEY_URL, "git://example.com/sub");
            WriteTrashFile(Constants.DOT_GIT_MODULES, gitmodules.ToText());
            DirCache       cache  = db.LockDirCache();
            DirCacheEditor editor = cache.Editor();

            editor.Add(new _PathEdit_315(subId, path));
            editor.Add(new _PathEdit_322(gitmodulesBlob, Constants.DOT_GIT_MODULES));
            editor.Commit();
            SubmoduleWalk gen = SubmoduleWalk.ForIndex(db);

            NUnit.Framework.Assert.IsTrue(gen.Next());
            NUnit.Framework.Assert.AreEqual(path, gen.GetPath());
            NUnit.Framework.Assert.AreEqual(subId, gen.GetObjectId());
            NUnit.Framework.Assert.AreEqual(new FilePath(db.WorkTree, path), gen.GetDirectory
                                                ());
            NUnit.Framework.Assert.IsNull(gen.GetConfigUpdate());
            NUnit.Framework.Assert.IsNull(gen.GetConfigUrl());
            NUnit.Framework.Assert.AreEqual("sub", gen.GetModulesPath());
            NUnit.Framework.Assert.IsNull(gen.GetModulesUpdate());
            NUnit.Framework.Assert.AreEqual("git://example.com/sub", gen.GetModulesUrl());
            NUnit.Framework.Assert.IsNull(gen.GetRepository());
            NUnit.Framework.Assert.IsFalse(gen.Next());
        }
Exemplo n.º 9
0
        public virtual void RepositoryWithRootLevelSubmodule()
        {
            ObjectId       id     = ObjectId.FromString("abcd1234abcd1234abcd1234abcd1234abcd1234");
            string         path   = "sub";
            DirCache       cache  = db.LockDirCache();
            DirCacheEditor editor = cache.Editor();

            editor.Add(new _PathEdit_108(id, path));
            editor.Commit();
            SubmoduleWalk gen = SubmoduleWalk.ForIndex(db);

            NUnit.Framework.Assert.IsTrue(gen.Next());
            NUnit.Framework.Assert.AreEqual(path, gen.GetPath());
            NUnit.Framework.Assert.AreEqual(id, gen.GetObjectId());
            NUnit.Framework.Assert.AreEqual(new FilePath(db.WorkTree, path), gen.GetDirectory
                                                ());
            NUnit.Framework.Assert.IsNull(gen.GetConfigUpdate());
            NUnit.Framework.Assert.IsNull(gen.GetConfigUrl());
            NUnit.Framework.Assert.IsNull(gen.GetModulesPath());
            NUnit.Framework.Assert.IsNull(gen.GetModulesUpdate());
            NUnit.Framework.Assert.IsNull(gen.GetModulesUrl());
            NUnit.Framework.Assert.IsNull(gen.GetRepository());
            NUnit.Framework.Assert.IsFalse(gen.Next());
        }
Exemplo n.º 10
0
        public virtual void AddExistentSubmodule()
        {
            ObjectId       id     = ObjectId.FromString("abcd1234abcd1234abcd1234abcd1234abcd1234");
            string         path   = "sub";
            DirCache       cache  = db.LockDirCache();
            DirCacheEditor editor = cache.Editor();

            editor.Add(new _PathEdit_160(id, path));
            editor.Commit();
            SubmoduleAddCommand command = new SubmoduleAddCommand(db);

            command.SetPath(path);
            command.SetURI("git://server/repo.git");
            try
            {
                command.Call().Close();
                NUnit.Framework.Assert.Fail("Exception not thrown");
            }
            catch (JGitInternalException e)
            {
                NUnit.Framework.Assert.AreEqual(MessageFormat.Format(JGitText.Get().submoduleExists
                                                                     , path), e.Message);
            }
        }
Exemplo n.º 11
0
 /// <exception cref="System.IO.IOException"></exception>
 private void BuildIndex(Dictionary<string, string> indexEntries)
 {
     dirCache = new DirCache(db.GetIndexFile(), db.FileSystem);
     if (indexEntries != null)
     {
         NUnit.Framework.Assert.IsTrue(dirCache.Lock());
         DirCacheEditor editor = dirCache.Editor();
         foreach (KeyValuePair<string, string> e in indexEntries.EntrySet())
         {
             WriteTrashFile(e.Key, e.Value);
             ObjectInserter inserter = db.NewObjectInserter();
             ObjectId id = inserter.Insert(Constants.OBJ_BLOB, Constants.Encode(e.Value));
             editor.Add(new DirCacheEditor.DeletePath(e.Key));
             editor.Add(new _PathEdit_284(id, e.Key));
         }
         NUnit.Framework.Assert.IsTrue(editor.Commit());
     }
 }
Exemplo n.º 12
0
        /// <exception cref="System.IO.IOException"></exception>
        private DirCache CreateTemporaryIndex(ObjectId headId, DirCache index)
        {
            ObjectInserter inserter = null;
            // get DirCacheEditor to modify the index if required
            DirCacheEditor dcEditor = index.Editor();
            // get DirCacheBuilder for newly created in-core index to build a
            // temporary index for this commit
            DirCache        inCoreIndex = DirCache.NewInCore();
            DirCacheBuilder dcBuilder   = inCoreIndex.Builder();

            onlyProcessed = new bool[only.Count];
            bool     emptyCommit = true;
            TreeWalk treeWalk    = new TreeWalk(repo);
            int      dcIdx       = treeWalk.AddTree(new DirCacheIterator(index));
            int      fIdx        = treeWalk.AddTree(new FileTreeIterator(repo));
            int      hIdx        = -1;

            if (headId != null)
            {
                hIdx = treeWalk.AddTree(new RevWalk(repo).ParseTree(headId));
            }
            treeWalk.Recursive = true;
            while (treeWalk.Next())
            {
                string path = treeWalk.PathString;
                // check if current entry's path matches a specified path
                int pos = LookupOnly(path);
                CanonicalTreeParser hTree = null;
                if (hIdx != -1)
                {
                    hTree = treeWalk.GetTree <CanonicalTreeParser>(hIdx);
                }
                if (pos >= 0)
                {
                    // include entry in commit
                    DirCacheIterator dcTree = treeWalk.GetTree <DirCacheIterator>(dcIdx);
                    FileTreeIterator fTree  = treeWalk.GetTree <FileTreeIterator>(fIdx);
                    // check if entry refers to a tracked file
                    bool tracked = dcTree != null || hTree != null;
                    if (!tracked)
                    {
                        break;
                    }
                    if (fTree != null)
                    {
                        // create a new DirCacheEntry with data retrieved from disk
                        DirCacheEntry dcEntry     = new DirCacheEntry(path);
                        long          entryLength = fTree.GetEntryLength();
                        dcEntry.SetLength(entryLength);
                        dcEntry.LastModified = fTree.GetEntryLastModified();
                        dcEntry.FileMode     = fTree.GetIndexFileMode(dcTree);
                        bool objectExists = (dcTree != null && fTree.IdEqual(dcTree)) || (hTree != null &&
                                                                                          fTree.IdEqual(hTree));
                        if (objectExists)
                        {
                            dcEntry.SetObjectId(fTree.EntryObjectId);
                        }
                        else
                        {
                            if (FileMode.GITLINK.Equals(dcEntry.FileMode))
                            {
                                dcEntry.SetObjectId(fTree.EntryObjectId);
                            }
                            else
                            {
                                // insert object
                                if (inserter == null)
                                {
                                    inserter = repo.NewObjectInserter();
                                }
                                long        contentLength = fTree.GetEntryContentLength();
                                InputStream inputStream   = fTree.OpenEntryStream();
                                try
                                {
                                    dcEntry.SetObjectId(inserter.Insert(Constants.OBJ_BLOB, contentLength, inputStream
                                                                        ));
                                }
                                finally
                                {
                                    inputStream.Close();
                                }
                            }
                        }
                        // update index
                        dcEditor.Add(new _PathEdit_375(dcEntry, path));
                        // add to temporary in-core index
                        dcBuilder.Add(dcEntry);
                        if (emptyCommit && (hTree == null || !hTree.IdEqual(fTree) || hTree.EntryRawMode
                                            != fTree.EntryRawMode))
                        {
                            // this is a change
                            emptyCommit = false;
                        }
                    }
                    else
                    {
                        // if no file exists on disk, remove entry from index and
                        // don't add it to temporary in-core index
                        dcEditor.Add(new DirCacheEditor.DeletePath(path));
                        if (emptyCommit && hTree != null)
                        {
                            // this is a change
                            emptyCommit = false;
                        }
                    }
                    // keep track of processed path
                    onlyProcessed[pos] = true;
                }
                else
                {
                    // add entries from HEAD for all other paths
                    if (hTree != null)
                    {
                        // create a new DirCacheEntry with data retrieved from HEAD
                        DirCacheEntry dcEntry = new DirCacheEntry(path);
                        dcEntry.SetObjectId(hTree.EntryObjectId);
                        dcEntry.FileMode = hTree.EntryFileMode;
                        // add to temporary in-core index
                        dcBuilder.Add(dcEntry);
                    }
                }
            }
            // there must be no unprocessed paths left at this point; otherwise an
            // untracked or unknown path has been specified
            for (int i = 0; i < onlyProcessed.Length; i++)
            {
                if (!onlyProcessed[i])
                {
                    throw new JGitInternalException(MessageFormat.Format(JGitText.Get().entryNotFoundByPath
                                                                         , only[i]));
                }
            }
            // there must be at least one change
            if (emptyCommit)
            {
                throw new JGitInternalException(JGitText.Get().emptyCommit);
            }
            // update index
            dcEditor.Commit();
            // finish temporary in-core index used for this commit
            dcBuilder.Finish();
            return(inCoreIndex);
        }
Exemplo n.º 13
0
        public virtual void RepositoryWithRelativeUriSubmodule()
        {
            WriteTrashFile("file.txt", "content");
            Git git = Git.Wrap(db);

            git.Add().AddFilepattern("file.txt").Call();
            git.Commit().SetMessage("create file").Call();
            ObjectId       id     = ObjectId.FromString("abcd1234abcd1234abcd1234abcd1234abcd1234");
            string         path   = "sub";
            DirCache       cache  = db.LockDirCache();
            DirCacheEditor editor = cache.Editor();

            editor.Add(new _PathEdit_157(id, path));
            editor.Commit();
            string          @base  = "git://server/repo.git";
            FileBasedConfig config = ((FileBasedConfig)db.GetConfig());

            config.SetString(ConfigConstants.CONFIG_REMOTE_SECTION, Constants.DEFAULT_REMOTE_NAME
                             , ConfigConstants.CONFIG_KEY_URL, @base);
            config.Save();
            FileBasedConfig modulesConfig = new FileBasedConfig(new FilePath(db.WorkTree, Constants
                                                                             .DOT_GIT_MODULES), db.FileSystem);

            modulesConfig.SetString(ConfigConstants.CONFIG_SUBMODULE_SECTION, path, ConfigConstants
                                    .CONFIG_KEY_PATH, path);
            string current = "git://server/repo.git";

            modulesConfig.SetString(ConfigConstants.CONFIG_SUBMODULE_SECTION, path, ConfigConstants
                                    .CONFIG_KEY_URL, current);
            modulesConfig.Save();
            Repository subRepo = Git.CloneRepository().SetURI(db.Directory.ToURI().ToString()
                                                              ).SetDirectory(new FilePath(db.WorkTree, path)).Call().GetRepository();

            NUnit.Framework.Assert.IsNotNull(subRepo);
            AddRepoToClose(subRepo);
            SubmoduleWalk generator = SubmoduleWalk.ForIndex(db);

            NUnit.Framework.Assert.IsTrue(generator.Next());
            NUnit.Framework.Assert.IsNull(generator.GetConfigUrl());
            NUnit.Framework.Assert.AreEqual(current, generator.GetModulesUrl());
            modulesConfig.SetString(ConfigConstants.CONFIG_SUBMODULE_SECTION, path, ConfigConstants
                                    .CONFIG_KEY_URL, "../sub.git");
            modulesConfig.Save();
            SubmoduleSyncCommand         command = new SubmoduleSyncCommand(db);
            IDictionary <string, string> synced  = command.Call();

            NUnit.Framework.Assert.IsNotNull(synced);
            NUnit.Framework.Assert.AreEqual(1, synced.Count);
            KeyValuePair <string, string> module = synced.EntrySet().Iterator().Next();

            NUnit.Framework.Assert.AreEqual(path, module.Key);
            NUnit.Framework.Assert.AreEqual("git://server/sub.git", module.Value);
            generator = SubmoduleWalk.ForIndex(db);
            NUnit.Framework.Assert.IsTrue(generator.Next());
            NUnit.Framework.Assert.AreEqual("git://server/sub.git", generator.GetConfigUrl());
            Repository subModRepository1 = generator.GetRepository();

            AddRepoToClose(subModRepository1);
            StoredConfig submoduleConfig = subModRepository1.GetConfig();

            NUnit.Framework.Assert.AreEqual("git://server/sub.git", submoduleConfig.GetString
                                                (ConfigConstants.CONFIG_REMOTE_SECTION, Constants.DEFAULT_REMOTE_NAME, ConfigConstants
                                                .CONFIG_KEY_URL));
        }
Exemplo n.º 14
0
        /// <summary>
        /// Stash the contents on the working directory and index in separate commits
        /// and reset to the current HEAD commit.
        /// </summary>
        /// <remarks>
        /// Stash the contents on the working directory and index in separate commits
        /// and reset to the current HEAD commit.
        /// </remarks>
        /// <returns>stashed commit or null if no changes to stash</returns>
        /// <exception cref="NGit.Api.Errors.GitAPIException">NGit.Api.Errors.GitAPIException
        ///     </exception>
        public override RevCommit Call()
        {
            CheckCallable();
            Ref          head   = GetHead();
            ObjectReader reader = repo.NewObjectReader();

            try
            {
                RevCommit      headCommit = ParseCommit(reader, head.GetObjectId());
                DirCache       cache      = repo.LockDirCache();
                ObjectInserter inserter   = repo.NewObjectInserter();
                ObjectId       commitId;
                try
                {
                    TreeWalk treeWalk = new TreeWalk(reader);
                    treeWalk.Recursive = true;
                    treeWalk.AddTree(headCommit.Tree);
                    treeWalk.AddTree(new DirCacheIterator(cache));
                    treeWalk.AddTree(new FileTreeIterator(repo));
                    treeWalk.Filter = AndTreeFilter.Create(new SkipWorkTreeFilter(1), new IndexDiffFilter
                                                               (1, 2));
                    // Return null if no local changes to stash
                    if (!treeWalk.Next())
                    {
                        return(null);
                    }
                    MutableObjectId id = new MutableObjectId();
                    IList <DirCacheEditor.PathEdit> wtEdits = new AList <DirCacheEditor.PathEdit>();
                    IList <string> wtDeletes = new AList <string>();
                    do
                    {
                        AbstractTreeIterator headIter  = treeWalk.GetTree <AbstractTreeIterator>(0);
                        DirCacheIterator     indexIter = treeWalk.GetTree <DirCacheIterator>(1);
                        WorkingTreeIterator  wtIter    = treeWalk.GetTree <WorkingTreeIterator>(2);
                        if (headIter != null && indexIter != null && wtIter != null)
                        {
                            if (!indexIter.GetDirCacheEntry().IsMerged())
                            {
                                throw new UnmergedPathsException(new UnmergedPathException(indexIter.GetDirCacheEntry
                                                                                               ()));
                            }
                            if (wtIter.IdEqual(indexIter) || wtIter.IdEqual(headIter))
                            {
                                continue;
                            }
                            treeWalk.GetObjectId(id, 0);
                            DirCacheEntry entry = new DirCacheEntry(treeWalk.RawPath);
                            entry.SetLength(wtIter.GetEntryLength());
                            entry.LastModified = wtIter.GetEntryLastModified();
                            entry.FileMode     = wtIter.EntryFileMode;
                            long        contentLength = wtIter.GetEntryContentLength();
                            InputStream @in           = wtIter.OpenEntryStream();
                            try
                            {
                                entry.SetObjectId(inserter.Insert(Constants.OBJ_BLOB, contentLength, @in));
                            }
                            finally
                            {
                                @in.Close();
                            }
                            wtEdits.AddItem(new _PathEdit_273(entry, entry));
                        }
                        else
                        {
                            if (indexIter == null)
                            {
                                wtDeletes.AddItem(treeWalk.PathString);
                            }
                            else
                            {
                                if (wtIter == null && headIter != null)
                                {
                                    wtDeletes.AddItem(treeWalk.PathString);
                                }
                            }
                        }
                    }while (treeWalk.Next());
                    string branch = Repository.ShortenRefName(head.GetTarget().GetName());
                    // Commit index changes
                    NGit.CommitBuilder builder = CreateBuilder(headCommit);
                    builder.TreeId  = cache.WriteTree(inserter);
                    builder.Message = MessageFormat.Format(indexMessage, branch, headCommit.Abbreviate
                                                               (7).Name, headCommit.GetShortMessage());
                    ObjectId indexCommit = inserter.Insert(builder);
                    // Commit working tree changes
                    if (!wtEdits.IsEmpty() || !wtDeletes.IsEmpty())
                    {
                        DirCacheEditor editor = cache.Editor();
                        foreach (DirCacheEditor.PathEdit edit in wtEdits)
                        {
                            editor.Add(edit);
                        }
                        foreach (string path in wtDeletes)
                        {
                            editor.Add(new DirCacheEditor.DeletePath(path));
                        }
                        editor.Finish();
                    }
                    builder.AddParentId(indexCommit);
                    builder.Message = MessageFormat.Format(workingDirectoryMessage, branch, headCommit
                                                           .Abbreviate(7).Name, headCommit.GetShortMessage());
                    builder.TreeId = cache.WriteTree(inserter);
                    commitId       = inserter.Insert(builder);
                    inserter.Flush();
                    UpdateStashRef(commitId, builder.Author, builder.Message);
                }
                finally
                {
                    inserter.Release();
                    cache.Unlock();
                }
                // Hard reset to HEAD
                new ResetCommand(repo).SetMode(ResetCommand.ResetType.HARD).Call();
                // Return stashed commit
                return(ParseCommit(reader, commitId));
            }
            catch (IOException e)
            {
                throw new JGitInternalException(JGitText.Get().stashFailed, e);
            }
            finally
            {
                reader.Release();
            }
        }
Exemplo n.º 15
0
        /// <summary>Apply the changes in a stashed commit to the working directory and index
        ///     </summary>
        /// <returns>id of stashed commit that was applied</returns>
        /// <exception cref="NGit.Api.Errors.GitAPIException">NGit.Api.Errors.GitAPIException
        ///     </exception>
        /// <exception cref="NGit.Api.Errors.WrongRepositoryStateException">NGit.Api.Errors.WrongRepositoryStateException
        ///     </exception>
        public override ObjectId Call()
        {
            CheckCallable();
            if (repo.GetRepositoryState() != RepositoryState.SAFE)
            {
                throw new WrongRepositoryStateException(MessageFormat.Format(JGitText.Get().stashApplyOnUnsafeRepository
                                                                             , repo.GetRepositoryState()));
            }
            ObjectId     headTree = GetHeadTree();
            ObjectId     stashId  = GetStashId();
            ObjectReader reader   = repo.NewObjectReader();

            try
            {
                RevWalk   revWalk     = new RevWalk(reader);
                RevCommit stashCommit = revWalk.ParseCommit(stashId);
                if (stashCommit.ParentCount != 2)
                {
                    throw new JGitInternalException(MessageFormat.Format(JGitText.Get().stashCommitMissingTwoParents
                                                                         , stashId.Name));
                }
                RevTree             stashWorkingTree = stashCommit.Tree;
                RevTree             stashIndexTree   = revWalk.ParseCommit(stashCommit.GetParent(1)).Tree;
                RevTree             stashHeadTree    = revWalk.ParseCommit(stashCommit.GetParent(0)).Tree;
                CanonicalTreeParser stashWorkingIter = new CanonicalTreeParser();
                stashWorkingIter.Reset(reader, stashWorkingTree);
                CanonicalTreeParser stashIndexIter = new CanonicalTreeParser();
                stashIndexIter.Reset(reader, stashIndexTree);
                CanonicalTreeParser stashHeadIter = new CanonicalTreeParser();
                stashHeadIter.Reset(reader, stashHeadTree);
                CanonicalTreeParser headIter = new CanonicalTreeParser();
                headIter.Reset(reader, headTree);
                DirCache       cache  = repo.LockDirCache();
                DirCacheEditor editor = cache.Editor();
                try
                {
                    DirCacheIterator indexIter   = new DirCacheIterator(cache);
                    FileTreeIterator workingIter = new FileTreeIterator(repo);
                    TreeWalk         treeWalk    = new TreeWalk(reader);
                    treeWalk.Recursive = true;
                    treeWalk.Filter    = new StashApplyCommand.StashDiffFilter();
                    treeWalk.AddTree(stashHeadIter);
                    treeWalk.AddTree(stashIndexIter);
                    treeWalk.AddTree(stashWorkingIter);
                    treeWalk.AddTree(headIter);
                    treeWalk.AddTree(indexIter);
                    treeWalk.AddTree(workingIter);
                    ScanForConflicts(treeWalk);
                    // Reset trees and walk
                    treeWalk.Reset();
                    stashWorkingIter.Reset(reader, stashWorkingTree);
                    stashIndexIter.Reset(reader, stashIndexTree);
                    stashHeadIter.Reset(reader, stashHeadTree);
                    treeWalk.AddTree(stashHeadIter);
                    treeWalk.AddTree(stashIndexIter);
                    treeWalk.AddTree(stashWorkingIter);
                    ApplyChanges(treeWalk, cache, editor);
                }
                finally
                {
                    editor.Commit();
                    cache.Unlock();
                }
            }
            catch (JGitInternalException e)
            {
                throw;
            }
            catch (IOException e)
            {
                throw new JGitInternalException(JGitText.Get().stashApplyFailed, e);
            }
            finally
            {
                reader.Release();
            }
            return(stashId);
        }