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#! /bin/sh

# A little script I whipped up to make it easy to

# patch source trees and have sane error handling

# -Erik

#

# (c) 2002 Erik Andersen <andersen@codepoet.org>

# Set directories from arguments, or use defaults.

targetdir=${1-.}

patchdir=${2-../kernel-patches}

patchpattern=${3-*}

if [ ! -d "${targetdir}" ] ; then

echo "Aborting. '${targetdir}' is not a directory."

exit 1

fi

if [ ! -d "${patchdir}" ] ; then

echo "Aborting. '${patchdir}' is not a directory."

exit 1

fi

for i in ${patchdir}/${patchpattern} ; do

case "$i" in

*.gz)

type="gzip"; uncomp="gunzip -dc"; ;;

*.bz)

type="bzip"; uncomp="bunzip -dc"; ;;

*.bz2)

type="bzip2"; uncomp="bunzip2 -dc"; ;;

*.zip)

type="zip"; uncomp="unzip -d"; ;;

*.Z)

type="compress"; uncomp="uncompress -c"; ;;

*)

type="plaintext"; uncomp="cat"; ;;

esac

[ -d "${i}" ] && echo "Ignoring subdirectory ${i}" && continue

echo ""

echo "Applying ${i} using ${type}: "

${uncomp} ${i} | ${PATCH:-patch} -f -p1 -d ${targetdir}

if [ $? != 0 ] ; then

echo "Patch failed! Please fix $i!"

exit 1

fi

done

# Check for rejects...

if [ "`find $targetdir/ '(' -name '*.rej' -o -name '.*.rej' ')' -print`" ] ; then

echo "Aborting. Reject files found."

exit 1

fi

# Remove backup files

find $targetdir/ '(' -name '*.orig' -o -name '.*.orig' ')' -exec rm -f {} \;