kumquat-buildroot/toolchain/patch-kernel.sh

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#! /bin/bash
# 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>
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# Set directories from arguments, or use defaults.
targetdir=${1-.}
patchdir=${2-../kernel-patches}
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shift 2
patchpattern=${@-*}
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if [ ! -d "${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
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for i in `cd ${patchdir}; ls -d ${patchpattern} 2> /dev/null` ; do
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case "$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
echo ""
echo "Applying ${i} using ${type}: "
echo ${i} | cat >> ${targetdir}/.applied_patches_list
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${uncomp} ${patchdir}/${i} | patch -p1 -E -d ${targetdir}
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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 {} \;