Fix CommitFileDiffViewer/"Show in History" for non-resources

The history page tried to get the RepositoryMapping from the path,
but that doesn't work for non-resources. The history view would
just show "No input".

Use the alternative ResourceUtil.getRepository() instead.

Change-Id: I2240b1c900a634fc57ad114b2759d3c72e804a46
Signed-off-by: Thomas Wolf <thomas.wolf@paranor.ch>

1 files changed, 3 insertions, 3 deletions

diff --git a/org.eclipse.egit.ui/src/org/eclipse/egit/ui/internal/history/GitHistoryPage.java b/org.eclipse.egit.ui/src/org/eclipse/egit/ui/internal/history/GitHistoryPage.java
index 3a9c6ec711..7f8820cd28 100644
--- a/org.eclipse.egit.ui/src/org/eclipse/egit/ui/internal/history/GitHistoryPage.java
+++ b/org.eclipse.egit.ui/src/org/eclipse/egit/ui/internal/history/GitHistoryPage.java
@@ -41,6 +41,7 @@ import org.eclipse.core.runtime.SubMonitor;
 import org.eclipse.core.runtime.jobs.ISchedulingRule;
 import org.eclipse.core.runtime.jobs.Job;
 import org.eclipse.egit.core.AdapterUtils;
+import org.eclipse.egit.core.internal.util.ResourceUtil;
 import org.eclipse.egit.core.project.RepositoryMapping;
 import org.eclipse.egit.ui.Activator;
 import org.eclipse.egit.ui.JobFamilies;
@@ -1911,9 +1912,8 @@ public class GitHistoryPage extends HistoryPage implements RefsChangedListener,
 				repo = input.getRepository();
 			} else if (o instanceof Path) {
 				Path path = (Path) o;
-				RepositoryMapping mapping = RepositoryMapping.getMapping(path);
-				if (mapping != null) {
-					repo = mapping.getRepository();
+				repo = ResourceUtil.getRepository(path);
+				if (repo != null) {
 					input = new HistoryPageInput(repo,
 							new File[] { path.toFile() });
 				}