toolchain/scripts/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         *.patch | *.diff)
  35         type="plaintext"; uncomp="cat"; ;;
  36         *)
  37         echo "Ignoring unknown ${i}"; continue; ;;
  38     esac
  39     [ -d "${i}" ] && echo "Ignoring subdirectory ${i}" && continue
  40     echo ""
  41     echo "Applying ${i} using ${type}: "
  42     ${uncomp} ${i} | patch -p1 -E -d ${targetdir}
  43     if [ $? != 0 ] ; then
  44         echo "Patch failed!  Please fix $i!"
  45         exit 1
  46     fi
  47 done
  48
  49 # Check for rejects...
  50 if [ "`find $targetdir/ '(' -name '*.rej' -o -name '.*.rej' ')' -print`" ] ; then
  51     echo "Aborting.  Reject files found."
  52     exit 1
  53 fi
  54
  55 # Remove backup files
  56 find $targetdir/ '(' -name '*.orig' -o -name '.*.orig' ')' -exec rm -f {} \;