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" == "murphy" ]; then
  16     BASEDIR="/var/list/.etc";
  17     USERCONF="bugs/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 [ $ORIGREV -ge $NEWREV ]; then
  32     exit 0;
  33 fi;
  34
  35 if [ -e "$SACONFIG/.update_spamassassin" ] && kill -0 $(cat "$SACONFIG/.update_spamassassin"); 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 "$SACONFIG/failed_update" ]; then
  53         exit 0;
  54     fi;
  55     echo "$FAILUREMESSAGE" >> "$SACONFIG/failed_update"
  56     echo "$FAILUREMESSAGE";
  57     cat - <<EOF;
  58
  59 Update_spamassassin will not report any additional errors until this
  60 is fixed.
  61
  62 Please fix the problem and then remove
  63 $SACONFIG/failed_update
  64 EOF
  65     exit 1;
  66 }
  67
  68 cp -ar $SACONFIG $TMPDIR/.
  69 cd $TMPDIR/spamassassin_config;
  70 svn update -q --non-interactive;
  71 if svn status |grep -q '^C'; then
  72     FAILUREMESSAGE="$(echo -e 'The following conflicts were found\n')"
  73     FAILUREMESSAGE="$FAILUREMESSAGE$(svn status|grep ^C)";
  74     report_failure
  75 fi;
  76 cd - >/dev/null 2>&1
  77
  78 FAILUREMESSAGE="$(spamassassin -C $TMPDIR/spamassassin_config/$USERCONF --lint)"
  79 if [ "$?" != "0" ]; then
  80     FAILUREMESSAGE="$(echo -e 'spamassassin -C $TMPDIR/spamassassin_config/$USERCONF --lint\nfailed with\n')$FAILUREMESSAGE";
  81     report_failure
  82 fi;
  83 mv "$SACONFIG" "$BAKDIR/spamassassin_config_r$ORIGREV"
  84 mv "$TMPDIR/spamassassin_config" "$SACONFIG"
  85 trap ERR
  86 rm -rf "$TMPDIR"
  87
  88 if [ "$HOSTNAME" == "rietz" ]; then
  89     touch /home/debbugs/.spamassassin/user_prefs
  90 elif [ "$HOSTNAME" == "murphy" ]; then
  91     # do nothing
  92 else
  93     echo "Unknown hostname '$HOSTNAME'";
  94     exit 1;
  95 fi;
  96
  97
  98 exit 0;