From 80cf76b88cb9b9c1696c48fd418c0cdee995812c Mon Sep 17 00:00:00 2001
From: James Moger <james.moger@gitblit.com>
Date: Thu, 17 Apr 2014 23:08:07 -0400
Subject: [PATCH] Filter the current plugin release by the system version

---
 src/main/java/com/gitblit/models/PluginRegistry.java |   32 ++++++++++++++++++++++++++++----
 1 files changed, 28 insertions(+), 4 deletions(-)

diff --git a/src/main/java/com/gitblit/models/PluginRegistry.java b/src/main/java/com/gitblit/models/PluginRegistry.java
index ef46316..0c5d5a1 100644
--- a/src/main/java/com/gitblit/models/PluginRegistry.java
+++ b/src/main/java/com/gitblit/models/PluginRegistry.java
@@ -93,19 +93,40 @@
 			this.releases = new ArrayList<PluginRelease>();
 		}
 
-		public PluginRelease getCurrentRelease() {
+		public PluginRelease getCurrentRelease(Version system) {
 			PluginRelease current = null;
 			if (!StringUtils.isEmpty(currentRelease)) {
 				// find specified
 				current = getRelease(currentRelease);
 			}
 
+			if (current != null) {
+				// verify the current release is acceptable for this system
+				Version requires = Version.ZERO;
+				if (!StringUtils.isEmpty(current.requires)) {
+					requires = Version.createVersion(current.requires);
+				}
+
+				if (!system.isZero() && !system.atLeast(requires)) {
+					// requires newer system version
+					current = null;
+				}
+			}
+
 			if (current == null) {
 				// find by date
 				Date date = new Date(0);
 				for (PluginRelease pv : releases) {
-					if (pv.date.after(date)) {
-						current = pv;
+					Version requires = Version.ZERO;
+					if (!StringUtils.isEmpty(pv.requires)) {
+						requires = Version.createVersion(pv.requires);
+					}
+
+					if (system.isZero() || system.atLeast(requires)) {
+						if (pv.date.after(date)) {
+							current = pv;
+							date = pv.date;
+						}
 					}
 				}
 			}
@@ -143,7 +164,10 @@
 		}
 	}
 
-	public static class PluginRelease implements Comparable<PluginRelease> {
+	public static class PluginRelease implements Serializable, Comparable<PluginRelease> {
+
+		private static final long serialVersionUID = 1L;
+
 		public String version;
 		public Date date;
 		public String requires;

--
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