toolchain/patch-kernel.sh

   1 #! /bin/sh
   2 # A little script I whipped up to make it easy to
   3 # patch source trees and have sane error handling
   4 # -Erik
   5 #
   6 # (c) 2002 Erik Andersen <andersen@codepoet.org>
   7
   8 # Set directories from arguments, or use defaults.
   9 targetdir=${1-.}
  10 patchdir=${2-../kernel-patches}
  11 shift 2
  12 patchpattern=${@-*}
  13
  14 if [ ! -d "${targetdir}" ] ; then
  15     echo "Aborting.  '${targetdir}' is not a directory."
  16     exit 1
  17 fi
  18 if [ ! -d "${patchdir}" ] ; then
  19     echo "Aborting.  '${patchdir}' is not a directory."
  20     exit 1
  21 fi
  22
  23 for i in `cd ${patchdir}; ls -d ${patchpattern} 2> /dev/null` ; do
  24     case "$i" in
  25         *.gz)
  26         type="gzip"; uncomp="gunzip -dc"; ;;
  27         *.bz)
  28         type="bzip"; uncomp="bunzip -dc"; ;;
  29         *.bz2)
  30         type="bzip2"; uncomp="bunzip2 -dc"; ;;
  31         *.zip)
  32         type="zip"; uncomp="unzip -d"; ;;
  33         *.Z)
  34         type="compress"; uncomp="uncompress -c"; ;;
  35         *)
  36         type="plaintext"; uncomp="cat"; ;;
  37     esac
  38     echo ""
  39     echo "Applying ${i} using ${type}: "
  40     ${uncomp} ${patchdir}/${i} | patch -p1 -E -d ${targetdir}
  41     if [ $? != 0 ] ; then
  42         echo "Patch failed!  Please fix ${patchdir}/$i!"
  43         exit 1
  44     fi
  45 done
  46
  47 # Check for rejects...
  48 if [ "`find $targetdir/ '(' -name '*.rej' -o -name '.*.rej' ')' -print`" ] ; then
  49     echo "Aborting.  Reject files found."
  50     exit 1
  51 fi
  52
  53 # Remove backup files
  54 find $targetdir/ '(' -name '*.orig' -o -name '.*.orig' ')' -exec rm -f {} \;