openwrt/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 patchpattern=${3-*}
  12
  13 if [ ! -d "${targetdir}" ] ; then
  14     echo "Aborting.  '${targetdir}' is not a directory."
  15     exit 1
  16 fi
  17 if [ ! -d "${patchdir}" ] ; then
  18     echo "Aborting.  '${patchdir}' is not a directory."
  19     exit 1
  20 fi
  21
  22 for i in ${patchdir}/${patchpattern} ; do
  23     case "$i" in
  24         *.gz)
  25         type="gzip"; uncomp="gunzip -dc"; ;;
  26         *.bz)
  27         type="bzip"; uncomp="bunzip -dc"; ;;
  28         *.bz2)
  29         type="bzip2"; uncomp="bunzip2 -dc"; ;;
  30         *.zip)
  31         type="zip"; uncomp="unzip -d"; ;;
  32         *.Z)
  33         type="compress"; uncomp="uncompress -c"; ;;
  34         *)
  35         type="plaintext"; uncomp="cat"; ;;
  36     esac
  37     echo ""
  38     echo "Applying ${i} using ${type}: "
  39     ${uncomp} ${i} | patch -p1 -E -d ${targetdir}
  40     if [ $? != 0 ] ; then
  41         echo "Patch failed!  Please fix $i!"
  42         exit 1
  43     fi
  44 done
  45
  46 # Check for rejects...
  47 if [ "`find $targetdir/ '(' -name '*.rej' -o -name '.*.rej' ')' -print`" ] ; then
  48     echo "Aborting.  Reject files found."
  49     exit 1
  50 fi
  51
  52 # Remove backup files
  53 find $targetdir/ '(' -name '*.orig' -o -name '.*.orig' ')' -exec rm -f {} \;