make_patch

   1 #!/bin/sh
   2
   3 case $# in
   4 0) echo make_patch old new name
   5         exit 1;;
   6 esac
   7
   8 old=$1
   9 new=$2
  10 nm=$3-
  11
  12 newarc=../releases/$nm$new.tar.gz
  13 oldarc=../releases/$nm$old.tar.gz
  14
  15
  16 if [ ! -x  $nm$new ]
  17 then
  18    echo untarring ..
  19   if [ ! -f $newarc ]
  20   then
  21         echo cant find $newarc
  22         exit
  23   fi
  24   tar zfxv $newarc
  25 fi
  26 if [ ! -x  $nm$old ]
  27 then
  28    echo untarring
  29
  30   if [ ! -f $oldarc ]
  31   then
  32         echo cant find oldarc
  33         exit
  34   fi
  35    tar zfxv $oldarc
  36 fi
  37
  38 #(cd $nm$old; touch depend; make clean)
  39 #(cd $nm$new; touch depend; make clean)
  40 (cd $nm$new; diff -urP  ../$nm$old . > ../patch-$new)
  41 rm -rf $nm$old $nm$new