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 # because alioth continuously fails, make sure that svn info will
  27 # succeed first before cluttering the log. Ideally we would report
  28 # this error, but it happens far too frequently, so we bail out here.
  29 if ! svn info $(svn info $SACONFIG|awk '/^URL:/{print $2}') >/dev/null 2>&1; then
  30     exit 0;
  31 fi;
  32
  33 # figure out if there's an update to be made
  34 ORIGREV=$(svn info $SACONFIG |awk '/^Revision:/{print $2}')
  35 NEWREV=$(svn info $(svn info $SACONFIG|awk '/^URL:/{print $2}')|awk '/^Revision:/{print $2}')
  36
  37 # no changes, bug out.
  38 if [ "0$ORIGREV" -ge "0$NEWREV" ]; then
  39     exit 0;
  40 fi;
  41
  42 if [ -e "$SACONFIG/.update_spamassassin" ] && kill -0 $(cat "$SACONFIG/.update_spamassassin") >/dev/null 2>&1; then
  43     echo "Another update_spamassassin appears to be running"
  44     exit 1;
  45 else
  46     echo $$ > "$SACONFIG/.update_spamassassin";
  47 fi;
  48
  49 function remove_pidfile(){
  50     rm "$SACONFIG/.update_spamassassin";
  51 }
  52
  53 trap remove_pidfile ERR;
  54
  55 FAILUREMESSAGE="";
  56 function report_failure(){
  57     # Hrm; a previous update failed; don't report again until the file
  58     # is removed or it's more than a day old
  59     if [ -e "$SACONFIG/failed_update" ] &&
  60         [ $(($(date +%s) - $(stat -c '%Y' "$SACONFIG/failed_update"))) -lt 86400 ];  then
  61         rm -rf "$TMPDIR"
  62         exit 0;
  63     fi;
  64     echo "$FAILUREMESSAGE" > "$SACONFIG/failed_update"
  65     echo "$FAILUREMESSAGE";
  66     cat - <<EOF;
  67
  68 update_spamassassin will only report this error once a day, and
  69 updates will not occur until this is fixed.
  70
  71 Please fix the problem and then remove
  72 $SACONFIG/failed_update
  73 EOF
  74     rm -rf "$TMPDIR"
  75     exit 1;
  76 }
  77
  78 cp -ar $SACONFIG $TMPDIR/.
  79 OLDDIR="$(pwd)"
  80 cd $TMPDIR/spamassassin_config;
  81 svn update -q --non-interactive;
  82 if svn status |grep -q '^C'; then
  83     FAILUREMESSAGE=$'The following conflicts were found\n\n'
  84     FAILUREMESSAGE="$FAILUREMESSAGE$(svn status|grep ^C)";
  85     report_failure
  86 fi;
  87 cd "$(pwd)"
  88
  89 if ! spamassassin -p $TMPDIR/spamassassin_config/$USERCONF --lint > $TMPDIR/sa_lint 2>&1; then
  90     FAILUREMESSAGE="$(echo -e 'spamassassin -p $TMPDIR/spamassassin_config/$USERCONF --lint\nfailed with\n'| cat - $TMPDIR/sa_lint)";
  91     report_failure
  92 fi;
  93 mv "$SACONFIG" "$BAKDIR/spamassassin_config_r$ORIGREV"
  94 mv "$TMPDIR/spamassassin_config" "$SACONFIG"
  95 trap - ERR
  96 remove_pidfile
  97 rm -rf "$TMPDIR"
  98
  99 if [ "$HOSTNAME" == "rietz" ]; then
 100     touch /home/debbugs/.spamassassin/user_prefs
 101 elif [ "$HOSTNAME" == "liszt" ]; then
 102     # do nothing
 103     true;
 104 else
 105     echo "Unknown hostname '$HOSTNAME'";
 106     exit 1;
 107 fi;
 108
 109
 110 exit 0;