X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/0a49a7a4f1090b6f1ce1d0f9d969804c9226b53e..b6054898ace169a0e5143117397a4f666a5e7283:/src/src/exicyclog.src

diff --git a/src/src/exicyclog.src b/src/src/exicyclog.src
index 3d67ee9f0..20bf9fcd4 100644
--- a/src/src/exicyclog.src
+++ b/src/src/exicyclog.src
@@ -1,7 +1,6 @@
 #! /bin/sh
-# $Cambridge: exim/src/src/exicyclog.src,v 1.11 2009/11/16 19:50:36 nm4 Exp $
 
-# Copyright (c) University of Cambridge, 1995 - 2007
+# Copyright (c) University of Cambridge, 1995 - 2015
 # See the file NOTICE for conditions of use and distribution.
 
 # This script takes the following command line arguments:
@@ -73,6 +72,11 @@ while [ $# -gt 0 ] ; do
   -k) keep=$2
       shift
       ;;
+   --version)
+      echo "`basename $0`: $0"
+      echo "build: EXIM_RELEASE_VERSIONEXIM_VARIANT_VERSION"
+      exit 0
+      ;;
    *) echo "** exicyclog: unknown option $1"
       exit 1
       ;;
@@ -233,16 +237,16 @@ $b
 # Now do the job. First remove the files that have "fallen off the bottom".
 # Look for both the compressed and uncompressed forms.
 
-if [ $keep -lt 10 ]; then keept=0$keep; else keept=$keep; fi;
+if [ $keep -lt 10 ]; then rotation=0$keep; else rotation=$keep; fi;
 
-if [ -f $mainlog.$keept ]; then $rm $mainlog.$keept; fi;
-if [ -f $mainlog.$keept.$suffix ]; then $rm $mainlog.$keept.$suffix; fi;
+if [ -f $mainlog.$rotation ]; then $rm $mainlog.$rotation; fi;
+if [ -f $mainlog.$rotation.$suffix ]; then $rm $mainlog.$rotation.$suffix; fi;
 
-if [ -f $rejectlog.$keept ]; then $rm $rejectlog.$keept; fi;
-if [ -f $rejectlog.$keept.$suffix ]; then $rm $rejectlog.$keept.$suffix; fi;
+if [ -f $rejectlog.$rotation ]; then $rm $rejectlog.$rotation; fi;
+if [ -f $rejectlog.$rotation.$suffix ]; then $rm $rejectlog.$rotation.$suffix; fi;
 
-if [ -f $paniclog.$keept ]; then $rm $paniclog.$keept; fi;
-if [ -f $paniclog.$keept.$suffix ]; then $rm $paniclog.$keept.$suffix; fi;
+if [ -f $paniclog.$rotation ]; then $rm $paniclog.$rotation; fi;
+if [ -f $paniclog.$rotation.$suffix ]; then $rm $paniclog.$rotation.$suffix; fi;
 
 # Now rename all the previous old files by increasing their numbers by 1.
 # When the number is less than 10, insert a leading zero.
@@ -283,28 +287,34 @@ done
 
 if [ $keep -gt 99 ]; then first=001; else first=01; fi
 
+# Grab our pid ro avoid race in file creation
+ourpid=$$
+
 if [ -f $mainlog ]; then
   $mv $mainlog $mainlog.$first
   $chown $user:$group $mainlog.$first
-  $touch $mainlog
-  $chown $user:$group $mainlog
-  $chmod 640 $mainlog
+  $touch $mainlog.$ourpid
+  $chown $user:$group $mainlog.$ourpid
+  $chmod 640 $mainlog.$ourpid
+  $mv $mainlog.$ourpid $mainlog
 fi
 
 if [ -f $rejectlog ]; then
   $mv $rejectlog $rejectlog.$first
   $chown $user:$group $rejectlog.$first
-  $touch $rejectlog
-  $chown $user:$group $rejectlog
-  $chmod 640 $rejectlog
+  $touch $rejectlog.$ourpid
+  $chown $user:$group $rejectlog.$ourpid
+  $chmod 640 $rejectlog.$ourpid
+  $mv $rejectlog.$ourpid $rejectlog
 fi
 
 if [ -f $paniclog ]; then
   $mv $paniclog $paniclog.$first
   $chown $user:$group $paniclog.$first
-  $touch $paniclog
-  $chown $user:$group $paniclog
-  $chmod 640 $paniclog
+  $touch $paniclog.$ourpid
+  $chown $user:$group $paniclog.$ourpid
+  $chmod 640 $paniclog.$ourpid
+  $mv $paniclog.$ourpid $paniclog
 fi
 
 # Now scan the (0)02 and later files, compressing where necessary, and