From de6f6625cb96775b640240ed2e57499743670fe2 Mon Sep 17 00:00:00 2001
From: James Moger <james.moger@gmail.com>
Date: Sat, 03 Jan 2015 09:34:45 -0500
Subject: [PATCH] Merge pull request #240 from steveno/develop
---
src/main/java/com/gitblit/utils/JGitUtils.java | 80 +++++++++++++++++++++++++++++++++++-----
1 files changed, 70 insertions(+), 10 deletions(-)
diff --git a/src/main/java/com/gitblit/utils/JGitUtils.java b/src/main/java/com/gitblit/utils/JGitUtils.java
index c6526c2..68c62ea 100644
--- a/src/main/java/com/gitblit/utils/JGitUtils.java
+++ b/src/main/java/com/gitblit/utils/JGitUtils.java
@@ -711,7 +711,7 @@
try {
// resolve object id
ObjectId branchObject;
- if (StringUtils.isEmpty(objectId)) {
+ if (StringUtils.isEmpty(objectId) || "HEAD".equalsIgnoreCase(objectId)) {
branchObject = getDefaultBranch(repository);
} else {
branchObject = repository.resolve(objectId);
@@ -1668,6 +1668,24 @@
}
/**
+ * Returns the list of tags in the repository. If repository does not exist
+ * or is empty, an empty list is returned.
+ *
+ * @param repository
+ * @param fullName
+ * if true, /refs/tags/yadayadayada is returned. If false,
+ * yadayadayada is returned.
+ * @param maxCount
+ * if < 0, all tags are returned
+ * @param offset
+ * if maxCount provided sets the starting point of the records to return
+ * @return list of tags
+ */
+ public static List<RefModel> getTags(Repository repository, boolean fullName, int maxCount, int offset) {
+ return getRefs(repository, Constants.R_TAGS, fullName, maxCount, offset);
+ }
+
+ /**
* Returns the list of local branches in the repository. If repository does
* not exist or is empty, an empty list is returned.
*
@@ -1748,6 +1766,27 @@
*/
private static List<RefModel> getRefs(Repository repository, String refs, boolean fullName,
int maxCount) {
+ return getRefs(repository, refs, fullName, maxCount, 0);
+ }
+
+ /**
+ * Returns a list of references in the repository matching "refs". If the
+ * repository is null or empty, an empty list is returned.
+ *
+ * @param repository
+ * @param refs
+ * if unspecified, all refs are returned
+ * @param fullName
+ * if true, /refs/something/yadayadayada is returned. If false,
+ * yadayadayada is returned.
+ * @param maxCount
+ * if < 0, all references are returned
+ * @param offset
+ * if maxCount provided sets the starting point of the records to return
+ * @return list of references
+ */
+ private static List<RefModel> getRefs(Repository repository, String refs, boolean fullName,
+ int maxCount, int offset) {
List<RefModel> list = new ArrayList<RefModel>();
if (maxCount == 0) {
return list;
@@ -1771,7 +1810,14 @@
Collections.sort(list);
Collections.reverse(list);
if (maxCount > 0 && list.size() > maxCount) {
- list = new ArrayList<RefModel>(list.subList(0, maxCount));
+ if (offset < 0) {
+ offset = 0;
+ }
+ int endIndex = offset + maxCount;
+ if (endIndex > list.size()) {
+ endIndex = list.size();
+ }
+ list = new ArrayList<RefModel>(list.subList(offset, endIndex));
}
} catch (IOException e) {
error(e, repository, "{0} failed to retrieve {1}", refs);
@@ -2224,7 +2270,7 @@
}
public static enum MergeStatus {
- NOT_MERGEABLE, FAILED, ALREADY_MERGED, MERGEABLE, MERGED;
+ MISSING_INTEGRATION_BRANCH, MISSING_SRC_BRANCH, NOT_MERGEABLE, FAILED, ALREADY_MERGED, MERGEABLE, MERGED;
}
/**
@@ -2239,9 +2285,17 @@
public static MergeStatus canMerge(Repository repository, String src, String toBranch) {
RevWalk revWalk = null;
try {
- revWalk = new RevWalk(repository);
- RevCommit branchTip = revWalk.lookupCommit(repository.resolve(toBranch));
- RevCommit srcTip = revWalk.lookupCommit(repository.resolve(src));
+ revWalk = new RevWalk(repository);
+ ObjectId branchId = repository.resolve(toBranch);
+ if (branchId == null) {
+ return MergeStatus.MISSING_INTEGRATION_BRANCH;
+ }
+ ObjectId srcId = repository.resolve(src);
+ if (srcId == null) {
+ return MergeStatus.MISSING_SRC_BRANCH;
+ }
+ RevCommit branchTip = revWalk.lookupCommit(branchId);
+ RevCommit srcTip = revWalk.lookupCommit(srcId);
if (revWalk.isMergedInto(srcTip, branchTip)) {
// already merged
return MergeStatus.ALREADY_MERGED;
@@ -2254,10 +2308,14 @@
if (canMerge) {
return MergeStatus.MERGEABLE;
}
+ } catch (NullPointerException e) {
+ LOGGER.error("Failed to determine canMerge", e);
} catch (IOException e) {
LOGGER.error("Failed to determine canMerge", e);
- } finally {
- revWalk.release();
+ } finally {
+ if (revWalk != null) {
+ revWalk.release();
+ }
}
return MergeStatus.NOT_MERGEABLE;
}
@@ -2347,8 +2405,10 @@
}
} catch (IOException e) {
LOGGER.error("Failed to merge", e);
- } finally {
- revWalk.release();
+ } finally {
+ if (revWalk != null) {
+ revWalk.release();
+ }
}
return new MergeResult(MergeStatus.FAILED, null);
}
--
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