From 9cc56a1f60eff2ce1db40b7078eab92e78602e1c Mon Sep 17 00:00:00 2001
From: James Moger <james.moger@gitblit.com>
Date: Sun, 13 Jan 2013 16:49:37 -0500
Subject: [PATCH] Fix submodule links on commit, comitdiff, and tree page (issue-178)

---
 src/com/gitblit/utils/JGitUtils.java |   42 ++++++++++++++++++++++++++++++++++++------
 1 files changed, 36 insertions(+), 6 deletions(-)

diff --git a/src/com/gitblit/utils/JGitUtils.java b/src/com/gitblit/utils/JGitUtils.java
index 9cfb37f..e112770 100644
--- a/src/com/gitblit/utils/JGitUtils.java
+++ b/src/com/gitblit/utils/JGitUtils.java
@@ -537,7 +537,7 @@
 	 * @param path
 	 * @return content as a byte []
 	 */
-	public static byte[] getByteContent(Repository repository, RevTree tree, final String path) {
+	public static byte[] getByteContent(Repository repository, RevTree tree, final String path, boolean throwError) {
 		RevWalk rw = new RevWalk(repository);
 		TreeWalk tw = new TreeWalk(repository);
 		tw.setFilter(PathFilterGroup.createFromStrings(Collections.singleton(path)));
@@ -572,7 +572,9 @@
 				}
 			}
 		} catch (Throwable t) {
-			error(t, repository, "{0} can't find {1} in tree {2}", path, tree.name());
+			if (throwError) {
+				error(t, repository, "{0} can't find {1} in tree {2}", path, tree.name());
+			}
 		} finally {
 			rw.dispose();
 			tw.release();
@@ -591,7 +593,7 @@
 	 * @return UTF-8 string content
 	 */
 	public static String getStringContent(Repository repository, RevTree tree, String blobPath, String... charsets) {
-		byte[] content = getByteContent(repository, tree, blobPath);
+		byte[] content = getByteContent(repository, tree, blobPath, true);
 		if (content == null) {
 			return null;
 		}
@@ -1457,6 +1459,20 @@
 			int maxCount) {
 		return getRefs(repository, Constants.R_NOTES, fullName, maxCount);
 	}
+	
+	/**
+	 * Returns the list of refs in the specified base ref. If repository does 
+	 * not exist or is empty, an empty list is returned.
+	 * 
+	 * @param repository
+	 * @param fullName
+	 *            if true, /refs/yadayadayada is returned. If false,
+	 *            yadayadayada is returned.
+	 * @return list of refs
+	 */
+	public static List<RefModel> getRefs(Repository repository, String baseRef) {
+		return getRefs(repository, baseRef, true, -1);
+	}
 
 	/**
 	 * Returns a list of references in the repository matching "refs". If the
@@ -1528,7 +1544,7 @@
 		try {
 			// search for the branch in local heads
 			for (RefModel ref : JGitUtils.getLocalBranches(repository, false, -1)) {
-				if (ref.displayName.endsWith(name)) {
+				if (ref.reference.getName().endsWith(name)) {
 					branch = ref;
 					break;
 				}
@@ -1537,7 +1553,7 @@
 			// search for the branch in remote heads
 			if (branch == null) {
 				for (RefModel ref : JGitUtils.getRemoteBranches(repository, false, -1)) {
-					if (ref.displayName.endsWith(name)) {
+					if (ref.reference.getName().endsWith(name)) {
 						branch = ref;
 						break;
 					}
@@ -1570,7 +1586,7 @@
 	 */
 	public static List<SubmoduleModel> getSubmodules(Repository repository, RevTree tree) {
 		List<SubmoduleModel> list = new ArrayList<SubmoduleModel>();
-		byte [] blob = getByteContent(repository, tree, ".gitmodules");
+		byte [] blob = getByteContent(repository, tree, ".gitmodules", false);
 		if (blob == null) {
 			return list;
 		}
@@ -1720,4 +1736,18 @@
 		}
 		return success;
 	}
+	
+	/**
+	 * Reads the sparkleshare id, if present, from the repository.
+	 * 
+	 * @param repository
+	 * @return an id or null
+	 */
+	public static String getSparkleshareId(Repository repository) {
+		byte[] content = getByteContent(repository, null, ".sparkleshare", false);
+		if (content == null) {
+			return null;
+		}
+		return StringUtils.decodeString(content);
+	}
 }

--
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