make_patch

   1 #!/bin/sh
   2 old=$1
   3 new=$2
   4 nm=$3-
   5 newarc=$nm$new.tar.gz
   6 oldarc=$nm$old.tar.gz
   7 if [ ! -f $newarc ]
   8 then
   9         echo cant find $newarc
  10         exit
  11 fi
  12 if [ ! -f $oldarc ]
  13 then
  14         echo cant find oldarc
  15         exit
  16 fi
  17 if [ ! -x  $nm$new ]
  18 then
  19    echo untarring ..
  20   tar zfxv $nm$new.tar.gz
  21 fi
  22 if [ ! -x  $nm$old ]
  23 then
  24    echo untarring
  25    tar zfxv $nm$old.tar.gz
  26 fi
  27
  28 #(cd $nm$old; touch depend; make clean)
  29 #(cd $nm$new; touch depend; make clean)
  30 (cd $nm$new; diff -P -c  ../$nm$old . > ../patch-$new)
  31 rm -rf $nm$old