From b94965e87929c6b4e42f9a2078dc0d910cc2637d Mon Sep 17 00:00:00 2001
From: James Moger <james.moger@gitblit.com>
Date: Wed, 09 May 2012 07:59:00 -0400
Subject: [PATCH] Merge pull request #17 from peterloron/master

---
 src/com/gitblit/LuceneExecutor.java |  110 +++++++++++++++++++++++++++++++++++++++++++------------
 1 files changed, 86 insertions(+), 24 deletions(-)

diff --git a/src/com/gitblit/LuceneExecutor.java b/src/com/gitblit/LuceneExecutor.java
index 12f2305..afd1cc5 100644
--- a/src/com/gitblit/LuceneExecutor.java
+++ b/src/com/gitblit/LuceneExecutor.java
@@ -25,7 +25,6 @@
 import java.text.MessageFormat;
 import java.text.ParseException;
 import java.util.ArrayList;
-import java.util.Arrays;
 import java.util.Collections;
 import java.util.Comparator;
 import java.util.HashMap;
@@ -74,6 +73,7 @@
 import org.eclipse.jgit.lib.ObjectLoader;
 import org.eclipse.jgit.lib.ObjectReader;
 import org.eclipse.jgit.lib.Repository;
+import org.eclipse.jgit.lib.RepositoryCache.FileKey;
 import org.eclipse.jgit.revwalk.RevCommit;
 import org.eclipse.jgit.revwalk.RevTree;
 import org.eclipse.jgit.revwalk.RevWalk;
@@ -138,13 +138,17 @@
 	private final Map<String, IndexSearcher> searchers = new ConcurrentHashMap<String, IndexSearcher>();
 	private final Map<String, IndexWriter> writers = new ConcurrentHashMap<String, IndexWriter>();
 	
-	private final Set<String> excludedExtensions = new TreeSet<String>(Arrays.asList("7z", "arc",
-			"arj", "bin", "bmp", "dll", "doc", "docx", "exe", "gif", "gz", "jar", "jpg", "lib",
-			"lzh", "odg", "pdf", "ppt", "png", "so", "swf", "xcf", "xls", "xlsx", "zip"));
-
+	private final String luceneIgnoreExtensions = "7z arc arj bin bmp dll doc docx exe gif gz jar jpg lib lzh odg odf odt pdf ppt png so swf xcf xls xlsx zip";
+	private Set<String> excludedExtensions;
+	
 	public LuceneExecutor(IStoredSettings settings, File repositoriesFolder) {
 		this.storedSettings = settings;
 		this.repositoriesFolder = repositoriesFolder;
+		String exts = luceneIgnoreExtensions;
+		if (settings != null) {
+			exts = settings.getString(Keys.web.luceneIgnoreExtensions, exts);
+		}
+		excludedExtensions = new TreeSet<String>(StringUtils.getStringsFromValue(exts));
 	}
 
 	/**
@@ -154,6 +158,14 @@
 	 */
 	@Override
 	public void run() {
+		if (!storedSettings.getBoolean(Keys.web.allowLuceneIndexing, true)) {
+			// Lucene indexing is disabled
+			return;
+		}
+		// reload the excluded extensions
+		String exts = storedSettings.getString(Keys.web.luceneIgnoreExtensions, luceneIgnoreExtensions);
+		excludedExtensions = new TreeSet<String>(StringUtils.getStringsFromValue(exts));
+
 		for (String repositoryName: GitBlit.self().getRepositoryList()) {
 			RepositoryModel model = GitBlit.self().getRepositoryModel(repositoryName);
 			if (model.hasCommits && !ArrayUtils.isEmpty(model.indexedBranches)) {
@@ -174,7 +186,7 @@
 	 * @param repository
 	 *            the repository object
 	 */
-	protected void index(RepositoryModel model, Repository repository) {
+	private void index(RepositoryModel model, Repository repository) {
 		try {
 			if (shouldReindex(repository)) {
 				// (re)build the entire index
@@ -335,7 +347,7 @@
 	 * @return tree
 	 * @throws IOException
 	 */
-	protected RevTree getTree(final RevWalk walk, final RevCommit commit)
+	private RevTree getTree(final RevWalk walk, final RevCommit commit)
 			throws IOException {
 		final RevTree tree = commit.getTree();
 		if (tree != null) {
@@ -375,7 +387,7 @@
 	 * @param repository
 	 * @return true of the on-disk index format is different than INDEX_VERSION
 	 */
-	protected boolean shouldReindex(Repository repository) {
+	private boolean shouldReindex(Repository repository) {
 		try {
 			FileBasedConfig config = getConfig(repository);
 			config.load();
@@ -436,7 +448,7 @@
 			ObjectId defaultBranchId = JGitUtils.getDefaultBranch(repository);
 			for (RefModel branch :  branches) {
 				if (branch.getObjectId().equals(defaultBranchId)) {
-					defaultBranch = branch;					
+					defaultBranch = branch;
 					break;
 				}
 			}
@@ -446,8 +458,22 @@
 			// walk through each branch
 			for (RefModel branch : branches) {
 
+				boolean indexBranch = false;
+				if (model.indexedBranches.contains(com.gitblit.Constants.DEFAULT_BRANCH)
+						&& branch.equals(defaultBranch)) {
+					// indexing "default" branch
+					indexBranch = true;
+				} else if (IssueUtils.GB_ISSUES.equals(branch)) {
+					// skip the GB_ISSUES branch because it is indexed later
+					// note: this is different than updateIndex
+					indexBranch = false;
+				} else {
+					// normal explicit branch check
+					indexBranch = model.indexedBranches.contains(branch.getName());
+				}
+				
 				// if this branch is not specifically indexed then skip
-				if (!model.indexedBranches.contains(branch.getName())) {
+				if (!indexBranch) {
 					continue;
 				}
 
@@ -530,7 +556,7 @@
 						// index the blob content
 						if (StringUtils.isEmpty(ext) || !excludedExtensions.contains(ext)) {							
 							ObjectLoader ldr = repository.open(blobId, Constants.OBJ_BLOB);
-							InputStream in = ldr.openStream();							
+							InputStream in = ldr.openStream();						
 							int n;
 							while ((n = in.read(tmp)) > 0) {
 								os.write(tmp, 0, n);
@@ -658,7 +684,7 @@
 			
 			// get any annotated commit tags
 			List<String> commitTags = new ArrayList<String>();
-			for (RefModel ref : JGitUtils.getTags(repository, true, -1)) {
+			for (RefModel ref : JGitUtils.getTags(repository, false, -1)) {
 				if (ref.isAnnotatedTag() && ref.getReferencedObjectId().equals(commit.getId())) {
 					commitTags.add(ref.displayName);
 				}
@@ -743,7 +769,7 @@
 	 * @param repository
 	 * @return IndexResult
 	 */
-	protected IndexResult updateIndex(RepositoryModel model, Repository repository) {
+	private IndexResult updateIndex(RepositoryModel model, Repository repository) {
 		IndexResult result = new IndexResult();
 		try {
 			FileBasedConfig config = getConfig(repository);
@@ -771,20 +797,55 @@
 				deletedBranches.add(branch);
 			}
 
-			// walk through each branches
+			// get the local branches
 			List<RefModel> branches = JGitUtils.getLocalBranches(repository, true, -1);
+			
+			// sort them by most recently updated
+			Collections.sort(branches, new Comparator<RefModel>() {
+				@Override
+				public int compare(RefModel ref1, RefModel ref2) {
+					return ref2.getDate().compareTo(ref1.getDate());
+				}
+			});
+						
+			// reorder default branch to first position
+			RefModel defaultBranch = null;
+			ObjectId defaultBranchId = JGitUtils.getDefaultBranch(repository);
+			for (RefModel branch :  branches) {
+				if (branch.getObjectId().equals(defaultBranchId)) {
+					defaultBranch = branch;
+					break;
+				}
+			}
+			branches.remove(defaultBranch);
+			branches.add(0, defaultBranch);
+			
+			// walk through each branches
 			for (RefModel branch : branches) {
 				String branchName = branch.getName();
 
-				// determine if we should skip this branch
-				if (!IssueUtils.GB_ISSUES.equals(branch)
-						&& !model.indexedBranches.contains(branch.getName())) {
+				boolean indexBranch = false;
+				if (model.indexedBranches.contains(com.gitblit.Constants.DEFAULT_BRANCH)
+						&& branch.equals(defaultBranch)) {
+					// indexing "default" branch
+					indexBranch = true;
+				} else if (IssueUtils.GB_ISSUES.equals(branch)) {
+					// update issues modified on the GB_ISSUES branch
+					// note: this is different than reindex
+					indexBranch = true;
+				} else {
+					// normal explicit branch check
+					indexBranch = model.indexedBranches.contains(branch.getName());
+				}
+				
+				// if this branch is not specifically indexed then skip
+				if (!indexBranch) {
 					continue;
 				}
 				
 				// remove this branch from the deletedBranches set
 				deletedBranches.remove(branchName);
-
+				
 				// determine last commit
 				String keyName = getBranchKey(branchName);
 				String lastCommit = config.getString(CONF_BRANCH, null, keyName);
@@ -982,8 +1043,8 @@
 	 * @throws IOException
 	 */
 	private IndexWriter getIndexWriter(String repository) throws IOException {
-		IndexWriter indexWriter = writers.get(repository);		
-		File repositoryFolder = new File(repositoriesFolder, repository);
+		IndexWriter indexWriter = writers.get(repository);				
+		File repositoryFolder = FileKey.resolve(new File(repositoriesFolder, repository), FS.DETECTED);
 		File indexFolder = new File(repositoryFolder, LUCENE_DIR);
 		Directory directory = FSDirectory.open(indexFolder);		
 
@@ -1124,8 +1185,8 @@
 		Fragmenter fragmenter = new SimpleSpanFragmenter(scorer, fragmentLength); 
 
 		// use an artificial delimiter for the token
-		String termTag = "<!--[";
-		String termTagEnd = "]-->";
+		String termTag = "!!--[";
+		String termTagEnd = "]--!!";
 		SimpleHTMLFormatter formatter = new SimpleHTMLFormatter(termTag, termTagEnd);
 		Highlighter highlighter = new Highlighter(formatter, scorer);		
 		highlighter.setTextFragmenter(fragmenter);
@@ -1170,7 +1231,7 @@
 				
 			if (SearchObjectType.blob  == result.type) {
 				// count lines as offset into the content for this fragment
-				int line = StringUtils.countLines(content.substring(0, pos));
+				int line = Math.max(1, StringUtils.countLines(content.substring(0, pos)));
 				
 				// create fragment tag with line number and language
 				String lang = "";
@@ -1188,7 +1249,8 @@
 			sb.append(tag);
 
 			// replace the artificial delimiter with html tags
-			String html = fragment.replace(termTag, "<span class=\"highlight\">").replace(termTagEnd, "</span>");
+			String html = StringUtils.escapeForHtml(fragment, false);
+			html = html.replace(termTag, "<span class=\"highlight\">").replace(termTagEnd, "</span>");
 			sb.append(html);
 			sb.append("</pre>");
 			if (i < len - 1) {

--
Gitblit v1.9.1