Fixed order of inject

1 files changed, 3 insertions, 3 deletions

diff --git a/byteback-snapshot b/byteback-snapshot
index 37fae68..5a7b8e8 100755
--- a/byteback-snapshot
+++ b/byteback-snapshot
@@ -121,12 +121,12 @@ class BackupDirectory
 	#   http://dustymabe.com/2013/09/22/btrfs-how-big-are-my-snapshots/
 	# but it's not currently in Debian/wheezy.
 	#
-	def snapshot_size(time=snapshot_times.latest)
+	def snapshot_size(time=snapshot_times.last)
 		`du -s -b #{snapshot_path(time)}`.to_i
 	end
 
 	def average_snapshot_size(number=10)
-		snapshot_times.sort[0..number].inject(0) { |time, total| snapshot_size(time) } / number
+		snapshot_times.sort[0..number].inject(0) { |total, time| snapshot_size(time) } / number
 	end
 
 	# Create a new snapshot of 'current'
@@ -163,7 +163,7 @@ opts = Trollop::options do
 
     opt :snapshot, "Take a new snapshot"
 
-    opt :prune, "Prune old backups",
+    opt :prune, "Prune old backups (by 'age' or 'importance')",
     	:type => :string
 
     opt :list, "List backups (by 'age' or 'importance')",