From 2f39f4d6c687c51802c5753c7185262108d38a89 Mon Sep 17 00:00:00 2001
From: Bob Mottram <bob@robotics.uk.to>
Date: Thu, 5 Nov 2015 08:16:00 +0000
Subject: [PATCH] Only forget old backups if the directory already exists

---
 src/freedombone | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/src/freedombone b/src/freedombone
index 474ba2ae..aafe99d8 100755
--- a/src/freedombone
+++ b/src/freedombone
@@ -2469,8 +2469,10 @@ function backup_directory_to_usb {
       echo -n "}' | awk -F '/' '{print " >> /usr/bin/$BACKUP_SCRIPT_NAME
       echo -n '$2' >> /usr/bin/$BACKUP_SCRIPT_NAME
       echo "}')" >> /usr/bin/$BACKUP_SCRIPT_NAME
-      echo -n "    obnam forget --keep=${BACKUP_MAX_DAYS}d " >> /usr/bin/$BACKUP_SCRIPT_NAME
-	  echo '-r $USB_MOUNT/backup/${2} --encrypt-with $MY_BACKUP_KEY_ID ${1}' >> /usr/bin/$BACKUP_SCRIPT_NAME
+      echo '    if [ -d $USB_MOUNT/backup/${2} ]; then' >> /usr/bin/$BACKUP_SCRIPT_NAME
+      echo -n "      obnam forget --keep=${BACKUP_MAX_DAYS}d " >> /usr/bin/$BACKUP_SCRIPT_NAME
+      echo '-r $USB_MOUNT/backup/${2} --encrypt-with $MY_BACKUP_KEY_ID ${1}' >> /usr/bin/$BACKUP_SCRIPT_NAME
+      echo '    fi' >> /usr/bin/$BACKUP_SCRIPT_NAME
       echo '    obnam backup -r $USB_MOUNT/backup/${2} --encrypt-with $MY_BACKUP_KEY_ID ${1}' >> /usr/bin/$BACKUP_SCRIPT_NAME
   else
       # For rsyncrypto usage see http://archive09.linux.com/feature/125322
@@ -3977,8 +3979,10 @@ function backup_directory_to_friend {
       echo -n '$2' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
       echo "}')" >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
 
-      echo -n "  obnam forget --keep=${BACKUP_MAX_DAYS}d " >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
+      echo '  if [ -d $SERVER_DIRECTORY/backup/${2} ]; then' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
+      echo -n "    obnam forget --keep=${BACKUP_MAX_DAYS}d " >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
       echo '-r $SERVER_DIRECTORY/backup/${2} --encrypt-with $MY_BACKUP_KEY_ID ${1}' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
+      echo '  fi' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
       echo '  obnam backup -r $SERVER_DIRECTORY/backup/${2} --encrypt-with $MY_BACKUP_KEY_ID ${1}' >> /usr/bin/$BACKUP_SCRIPT_NAME
   else
       # For rsyncrypto usage see http://archive09.linux.com/feature/125322