hush.in: Fix ordering of log files so we don't delete the wrong ones.

The sequence numbers aren't lexicographically ordered, so call out to
sort(1) to put them in the right order.

diff --git a/hush.in b/hush.in
index 2752cdf7e045065a78a7cc8d1dc044846aa1be3e..f10f5070ab50eb8689052aa8be4aaa7ac6d3a8d3 100755 (executable)
--- a/hush.in
+++ b/hush.in
@@ -163,19 +163,20 @@ exec 3>&-
 ###--------------------------------------------------------------------------
 ### Delete old log files if there are too many.
 
-## Count up the logfiles.
-nlog=0
+## Find out the tails of the logfile names.  We assume that we're responsible
+## for all of these, and therefore that they're nicely formed.
+logs="" nlog=0
 for i in "$logdir/$tag".*; do
   if [ ! -f "$i" ]; then continue; fi
   nlog=$(( $nlog + 1 ))
+  logs="$logs ${i#$logdir/$tag.}"
 done
 
 ## If there are too many, go through and delete some early ones.
 if [ $nlog -gt $maxlog ]; then
   n=$(( $nlog - $maxlog ))
-  for i in "$logdir/$tag".*; do
-    if [ ! -f "$i" ]; then continue; fi
-    rm -f "$i"
+  for i in $logs; do echo $i; done | sort -t# -k1,1 -k2n | while read i; do
+    rm -f "$logdir/$tag.$i"
     n=$(( $n - 1 ))
     if [ $n -eq 0 ]; then break; fi
   done