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 [ "$HOSTNAME" = "rietz" ] || [ "$HOSTNAME" = "busoni" ]; 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 or it's more than a day old
  52     if [ -e "$SACONFIG/failed_update" ] &&
  53         [ $(($(date +%s) - $(stat -c '%Y' "$SACONFIG/failed_update"))) -lt 86400 ];  then
  54         rm -rf "$TMPDIR"
  55         exit 0;
  56     fi;
  57     echo "$FAILUREMESSAGE" > "$SACONFIG/failed_update"
  58     echo "$FAILUREMESSAGE";
  59     cat - <<EOF;
  60
  61 update_spamassassin will only report this error once a day, and
  62 updates will not occur until this is fixed.
  63
  64 Please fix the problem and then remove
  65 $SACONFIG/failed_update
  66 EOF
  67     rm -rf "$TMPDIR"
  68     exit 1;
  69 }
  70
  71 cp -ar $SACONFIG $TMPDIR/.
  72 OLDDIR="$(pwd)"
  73 cd $TMPDIR/spamassassin_config;
  74 svn update -q --non-interactive;
  75 if svn status |grep -q '^C'; then
  76     FAILUREMESSAGE=$'The following conflicts were found\n\n'
  77     FAILUREMESSAGE="$FAILUREMESSAGE$(svn status|grep ^C)";
  78     report_failure
  79 fi;
  80 cd "$(pwd)"
  81
  82 if ! spamassassin -p $TMPDIR/spamassassin_config/$USERCONF --lint > $TMPDIR/sa_lint 2>&1; then
  83     FAILUREMESSAGE="$(echo -e 'spamassassin -p $TMPDIR/spamassassin_config/$USERCONF --lint\nfailed with\n'| cat - $TMPDIR/sa_lint)";
  84     report_failure
  85 fi;
  86 mv "$SACONFIG" "$BAKDIR/spamassassin_config_r$ORIGREV"
  87 mv "$TMPDIR/spamassassin_config" "$SACONFIG"
  88 trap - ERR
  89 remove_pidfile
  90 rm -rf "$TMPDIR"
  91
  92 if [ "$HOSTNAME" == "rietz" ]; then
  93     touch /home/debbugs/.spamassassin/user_prefs
  94 elif [ "$HOSTNAME" == "liszt" ]; then
  95     # do nothing
  96     true;
  97 else
  98     echo "Unknown hostname '$HOSTNAME'";
  99     exit 1;
 100 fi;
 101
 102
 103 exit 0;