update_spamassassin

   1 #!/bin/sh
   2
   3 # This command updates the spamassassin configuration; tests the new
   4 # configuration; then moves the updated configuration in place
   5
   6 set -e
   7
   8 SVN=$(which svn)
   9
  10 TMPDIR=$(mktemp -d);
  11
  12 if [ "$HOSTNAME" = "rietz" ]; then
  13     BASEDIR="/org/bugs.debian.org"
  14     USERCONF="bugs/user_prefs";
  15 elif [ "$HOSTNAME" = "liszt" ]; then
  16     BASEDIR="/var/list/.etc";
  17     USERCONF="lists/user_prefs";
  18 else
  19     echo "Unknown hostname '$HOSTNAME'";
  20     exit 1;
  21 fi;
  22
  23 SACONFIG="$BASEDIR/spamassassin_config";
  24 BAKDIR="$BASEDIR/spamassassin_config_bak";
  25
  26 # figure out if there's an update to be made
  27 ORIGREV=$(svn info $SACONFIG |awk '/^Revision:/{print $2}')
  28 NEWREV=$(svn info $(svn info $SACONFIG|awk '/^URL:/{print $2}')|awk '/^Revision:/{print $2}')
  29
  30 # no changes, bug out.
  31 if [ "0$ORIGREV" -ge "0$NEWREV" ]; then
  32     exit 0;
  33 fi;
  34
  35 if [ -e "$SACONFIG/.update_spamassassin" ] && kill -0 $(cat "$SACONFIG/.update_spamassassin") >/dev/null 2>&1; then
  36     echo "Another update_spamassassin appears to be running"
  37     exit 1;
  38 else
  39     echo $$ > "$SACONFIG/.update_spamassassin";
  40 fi;
  41
  42 function remove_pidfile(){
  43     rm "$SACONFIG/.update_spamassassin";
  44 }
  45
  46 trap remove_pidfile ERR;
  47
  48 FAILUREMESSAGE="";
  49 function report_failure(){
  50     # Hrm; a previous update failed; don't report again until the file
  51     # is removed
  52     if [ -e "$SACONFIG/failed_update" ]; then
  53         rm -rf "$TMPDIR"
  54         exit 0;
  55     fi;
  56     echo "$FAILUREMESSAGE" >> "$SACONFIG/failed_update"
  57     echo "$FAILUREMESSAGE";
  58     cat - <<EOF;
  59
  60 Update_spamassassin will not report any additional errors until this
  61 is fixed.
  62
  63 Please fix the problem and then remove
  64 $SACONFIG/failed_update
  65 EOF
  66     rm -rf "$TMPDIR"
  67     exit 1;
  68 }
  69
  70 cp -ar $SACONFIG $TMPDIR/.
  71 cd $TMPDIR/spamassassin_config;
  72 svn update -q --non-interactive;
  73 if svn status |grep -q '^C'; then
  74     FAILUREMESSAGE=$'The following conflicts were found\n\n'
  75     FAILUREMESSAGE="$FAILUREMESSAGE$(svn status|grep ^C)";
  76     report_failure
  77 fi;
  78 cd - >/dev/null 2>&1
  79
  80 if ! spamassassin -p $TMPDIR/spamassassin_config/$USERCONF --lint > $TMPDIR/sa_lint 2>&1; then
  81     FAILUREMESSAGE="$(echo -e 'spamassassin -p $TMPDIR/spamassassin_config/$USERCONF --lint\nfailed with\n'| cat - $TMPDIR/sa_lint)";
  82     report_failure
  83 fi;
  84 mv "$SACONFIG" "$BAKDIR/spamassassin_config_r$ORIGREV"
  85 mv "$TMPDIR/spamassassin_config" "$SACONFIG"
  86 trap - ERR
  87 remove_pidfile
  88 rm -rf "$TMPDIR"
  89
  90 if [ "$HOSTNAME" == "rietz" ]; then
  91     touch /home/debbugs/.spamassassin/user_prefs
  92 elif [ "$HOSTNAME" == "liszt" ]; then
  93     # do nothing
  94     true;
  95 else
  96     echo "Unknown hostname '$HOSTNAME'";
  97     exit 1;
  98 fi;
  99
 100
 101 exit 0;