From 46734d87d868467bec20d8f58450d19217c4d8f4 Mon Sep 17 00:00:00 2001
From: Silvio Rhatto <rhatto@riseup.net>
Date: Wed, 29 Feb 2012 08:26:01 -0300
Subject: Process sites just once using a hash on drupal script

---
 templates/drupal.sh.erb | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/templates/drupal.sh.erb b/templates/drupal.sh.erb
index d95844d..cfe48c0 100644
--- a/templates/drupal.sh.erb
+++ b/templates/drupal.sh.erb
@@ -65,8 +65,10 @@ function drupal_iterate {
     # Issue updates
     for drupal in $drupals; do
       if [ -e "$drupal/settings.php" ]; then
-        # Ignore symlinks so sites are updated just once
-        if [ ! -h "$drupal" ] || [ ! -h "`readlink $drupal`" ]; then
+        hash="sha1sum $drupal/settings.php"
+        # Process sites just once, avoiding symlinks
+        if echo $settings_hash | grep -q $hash; then
+          settings_hash="$settings_hash-$hash"
           if [ "$1" != "cron" ]; then
             echo "Processing $drupal..."
           fi
-- 
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