gendiff-reversed

   1 #!/bin/sh
   2
   3 # This version of gendiff has been modified for Ksplice.
   4 # gendiff was originally written by Marc Ewing <marc@redhat.com>,
   5 # and it is available under the GNU General Public License.
   6
   7 [ -z "$1" -o -z "$2" ] && {
   8 # usage
   9   echo "usage: $0 <directory> <diff-extension>" 1>&2
  10   exit 1
  11 }
  12
  13 find $1 \( -name "*$2" -o -name ".*$2" -o -regex ".*ksplice/post/.*" -prune \) -print |
  14 while read f; do
  15     U=-u
  16     [ "`basename $f`" = "ChangeLog$2" ] && U=-U0
  17     if [ -r "${f%$2}" ]; then
  18         diff ${U} "${f%$2}" "${f}"
  19     else
  20         diff ${U} /dev/null "${f}"
  21     fi
  22 done
  23
  24 exit 0