bin/ack-wrapper

   1 #!/bin/sh
   2 # Wrapper around 'ack' to crawl all directories from $PWD to / (or $HOME)
   3 # looking for a "local" .ackrc file. Useful for setting project-level
   4 # --ignore-dir settings.
   5
   6 PWD=$(pwd)
   7 HOME=~
   8 ack=$(type -P ack)
   9 ackrc=""
  10
  11 match=""
  12 dir="$PWD"
  13 while [ "$dir" != "/" -a "$match" = "" ]; do
  14     if [ -e "$dir/.ackrc" ]; then
  15         if [ "$dir" != "$HOME" ]; then
  16             match=1
  17             echo "(Include: ${dir}/.ackrc)"
  18             ackrc=$(egrep "^[^#]" "${dir}/.ackrc" | tr '\n' ' ')
  19         else
  20             match=0
  21         fi
  22     else
  23         dir=$(dirname "$dir")
  24     fi
  25 done
  26
  27 # Add quote-wrapping for any additional args to ensure proper passing to
  28 # real 'ack'.
  29 for arg in "$@"; do ackrc="${ackrc} '${arg}'"; done
  30
  31 # Run the final command
  32 eval "${ack} ${ackrc}"