[EGIT] [PATCH RFC v1 3/5] Optimise ignore evaluation

[Ferry Huberts <ferry.huberts@pelagic.nl>]

Do not call GitIgnoreData.isIgnored(resource) multiple times when
not needed.

Signed-off-by: Ferry Huberts <ferry.huberts@pelagic.nl>
---
 .../org/spearce/egit/core/op/TrackOperation.java   |    5 +++--
 .../decorators/DecoratableResourceAdapter.java     |    9 ++-------
 2 files changed, 5 insertions(+), 9 deletions(-)

diff --git a/org.spearce.egit.core/src/org/spearce/egit/core/op/TrackOperation.java b/org.spearce.egit.core/src/org/spearce/egit/core/op/TrackOperation.java
index 4a4b93c..a64c1dd 100644
--- a/org.spearce.egit.core/src/org/spearce/egit/core/op/TrackOperation.java
+++ b/org.spearce.egit.core/src/org/spearce/egit/core/op/TrackOperation.java
@@ -94,14 +94,15 @@ public boolean visit(IResource resource) throws CoreException {
 									// first. If a resource within a ignored folder is marked
 									// we ignore it here, i.e. there is no way to unmark it expect
 									// by explicitly selecting and invoking track on it.
+									boolean ignored = GitIgnoreData.isIgnored(resource);
 									if (resource.getType() == IResource.FILE) {
 										Entry entry = index.getEntry(repoPath);
-										if (!GitIgnoreData.isIgnored(resource) || ((entry != null) && entry.isAssumedValid())) {
+										if (!ignored || ((entry != null) && entry.isAssumedValid())) {
 											entry = index.add(rm.getWorkDir(), new File(rm.getWorkDir(), repoPath));
 											entry.setAssumeValid(false);
 										}
 									}
-									if (GitIgnoreData.isIgnored(resource))
+									if (ignored)
 										return false;
 
 								} catch (IOException e) {
diff --git a/org.spearce.egit.ui/src/org/spearce/egit/ui/internal/decorators/DecoratableResourceAdapter.java b/org.spearce.egit.ui/src/org/spearce/egit/ui/internal/decorators/DecoratableResourceAdapter.java
index 4c740d5..7b48fd8 100644
--- a/org.spearce.egit.ui/src/org/spearce/egit/ui/internal/decorators/DecoratableResourceAdapter.java
+++ b/org.spearce.egit.ui/src/org/spearce/egit/ui/internal/decorators/DecoratableResourceAdapter.java
@@ -118,7 +118,7 @@ private void extractResourceProperties(TreeWalk treeWalk) {
 		if (resourceEntry == null)
 			return;
 
-		if (isIgnored(resourceEntry.getResource())) {
+		if (GitIgnoreData.isIgnored(resourceEntry.getResource())) {
 			ignored = true;
 			return;
 		}
@@ -261,7 +261,7 @@ public boolean shouldBeRecursive() {
 
 	private void extractContainerProperties(TreeWalk treeWalk) throws IOException {
 
-		if (isIgnored(resource)) {
+		if (GitIgnoreData.isIgnored(resource)) {
 			ignored = true;
 			return;
 		}
@@ -361,11 +361,6 @@ private static boolean timestampMatches(DirCacheEntry indexEntry,
 		}
 	}
 
-	private static boolean isIgnored(IResource resource) {
-		// TODO: Also read ignores from .git/info/excludes et al.
-		return GitIgnoreData.isIgnored(resource);
-	}
-
 	public String getName() {
 		return resource.getName();
 	}
-- 
1.6.0.6