From 7586c716d4e54a3c57b7ae9327da15bd970b6e1c Mon Sep 17 00:00:00 2001
From: Bob Mottram <bob@freedombone.net>
Date: Sat, 5 Aug 2017 18:01:56 +0100
Subject: [PATCH] Only copy cleanup script if it has changed

---
 src/freedombone-base-email | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/src/freedombone-base-email b/src/freedombone-base-email
index 842bb73c..4e576aee 100755
--- a/src/freedombone-base-email
+++ b/src/freedombone-base-email
@@ -545,7 +545,15 @@ function email_archiving {
     git checkout $CLEANUP_MAILDIR_COMMIT -b $CLEANUP_MAILDIR_COMMIT
     set_completion_param "cleanup-maildir commit" "$CLEANUP_MAILDIR_COMMIT"
 
-    cp $INSTALL_DIR/cleanup-maildir/cleanup-maildir /usr/bin
+    if [ ! -f /usr/bin/cleanup-maildir ]; then
+        cp $INSTALL_DIR/cleanup-maildir/cleanup-maildir /usr/bin
+    else
+        HASH1=$(sha256sum $INSTALL_DIR/cleanup-maildir/cleanup-maildir | awk -F ' ' '{print $1}')
+        HASH2=$(sha256sum /usr/bin/cleanup-maildir | awk -F ' ' '{print $1}')
+        if [[ "$HASH1" != "$HASH2" ]]; then
+            cp $INSTALL_DIR/cleanup-maildir/cleanup-maildir /usr/bin
+        fi
+    fi
 
     mark_completed $FUNCNAME
 }