#!/bin/sh
## Search all rules, sorted by priority (highest at top), with full redundancy.
## Usage:  sa-grep-rules [GREP_OPTIONS] [QUERY]
##   See `egrep --help' or `man egrep' for help on options or query
##   Use "sa-grep-rules -m1 -C3 '\bRULE\b'" for a rule named RULE.
## v0.1 (c)2009 by Adam Katz <scriptsATkhopiscom>, Apache License 2.0 or LGPLv2+
## Based on my sa-rule-info script.

# find most recently modified of the given dirs or else failover to /dev/null
latest_dir() { ls -td "$@" 2>/dev/null |head -n1 |grep . || echo '/dev/null'; }

update_dir=`latest_dir /var/lib/spamassassin*/*/ /var/db/spamassassin*/*/`
share_dir=`latest_dir /usr/local/share/spamassassin*/ /usr/share/spamassassin*/`
conf_dir=`latest_dir /usr/local/etc/mail/spamassassin*/ /etc/spamassassin*/ \
                     /etc/mail/spamassassin*/`
user_dir=`latest_dir "$HOME/.spamassassin"`
# note, this ignores the possibility of spamd --virtual-config-dir

# find files in all those dirs that are smaller than 2mb, search for RULE
# (local.cf gets priority over other things in $conf_dir)
find "$user_dir" "$conf_dir/local.cf" "$conf_dir" "$update_dir" "$share_dir" \
  -size -4096 -print0 2>/dev/null |xargs -0 \
  egrep "^[^#][^#][^#][^#]" 2>/dev/null \
  |grep -v "^Binary file" |sed 's/^[^:]*://g' |egrep ${1:+"$@"}