From 5e58f0a0ebfcf523fa1bd7cc74e3808140c75261 Mon Sep 17 00:00:00 2001
From: James Moger <james.moger@gitblit.com>
Date: Mon, 20 Feb 2012 12:33:57 -0500
Subject: [PATCH] Workaround 1 sec resolution of File.lastModified on Linux (issue-55)

---
 src/com/gitblit/ConfigUserService.java |    8 +++++++-
 1 files changed, 7 insertions(+), 1 deletions(-)

diff --git a/src/com/gitblit/ConfigUserService.java b/src/com/gitblit/ConfigUserService.java
index 681efd5..8f47f7a 100644
--- a/src/com/gitblit/ConfigUserService.java
+++ b/src/com/gitblit/ConfigUserService.java
@@ -82,6 +82,8 @@
 	private final Map<String, TeamModel> teams = new ConcurrentHashMap<String, TeamModel>();
 
 	private volatile long lastModified;
+	
+	private volatile boolean forceReload;
 
 	public ConfigUserService(File realmFile) {
 		this.realmFile = realmFile;
@@ -711,6 +713,9 @@
 		}
 
 		config.save();
+		// manually set the forceReload flag because not all JVMs support real
+		// millisecond resolution of lastModified. (issue-55)
+		forceReload = true;
 
 		// If the write is successful, delete the current file and rename
 		// the temporary copy to the original filename.
@@ -735,7 +740,8 @@
 	 * Reads the realm file and rebuilds the in-memory lookup tables.
 	 */
 	protected synchronized void read() {
-		if (realmFile.exists() && (realmFile.lastModified() > lastModified)) {
+		if (realmFile.exists() && (forceReload || (realmFile.lastModified() != lastModified))) {
+			forceReload = false;
 			lastModified = realmFile.lastModified();
 			users.clear();
 			cookies.clear();

--
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