Only keep the latest status in the rss.

software/backupserver/software.cfg

@@ -196,7 +196,7 @@ mode = 0644
 [template-backup-script]
 recipe = slapos.recipe.template
 url = ${:_profile_base_location_}/template-backup-script.sh.in
-md5sum = 92183f2d42e8ffb8112f26ecab2cdcbc
+md5sum = 8a076962fc4df7f154572543899328e3
 output = ${buildout:directory}/template-backup-script.sh.in
 mode = 0644
 

software/backupserver/template-backup-script.sh.in

@@ -22,6 +22,7 @@ ${rdiff-backup-output:rdiff-backup} \
 RESULT=$?
  
 # Inform about backup status
+${coreutils-output:rm} -f $${:status_log}
 if [ $RESULT -eq 0 ]
 then
   ${coreutils-output:echo} "`${coreutils-output:date} -u`, $${:hostname} backup success" >> $${:status_log}