mirror of https://github.com/dynup/kpatch
51 lines
1.1 KiB
Plaintext
51 lines
1.1 KiB
Plaintext
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#!/bin/bash
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#
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# rebase a set of patches, assumes the kernel has already been downloaded into
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# the kpatch $CACHEDIR.Output patches go into ./${ID}-${VERSION_ID}/
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#
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# Example:
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#
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# ./rebase-patches old_dir/*.patch
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CACHEDIR="${CACHEDIR:-$HOME/.kpatch}"
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SRCDIR="$CACHEDIR/src"
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source /etc/os-release
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OUTDIR=$(pwd)/${ID}-${VERSION_ID}
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mkdir -p $OUTDIR
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echo "* Making backup copy of kernel sources"
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rm -rf ${SRCDIR}.orig
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cp -r $SRCDIR ${SRCDIR}.orig
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for P in $@; do
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echo
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echo "* Patch: $(basename $P)"
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echo "** dry run..."
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patch -d $CACHEDIR --dry-run --quiet -p0 < $P
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[[ $? -ne 0 ]] && echo "*** Skipping! ***" && continue
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echo "** patching..."
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patch -d $CACHEDIR -p0 --no-backup-if-mismatch < $P
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echo "** generating new $(basename $P)..."
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NEWP=$OUTDIR/$(basename $P)
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awk '/^diff|^patch/{exit} {print $LF}' $P > $NEWP
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cd $CACHEDIR
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diff -Nupr src.orig src >> $NEWP
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cd -
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echo "** reversing patch to restore tree..."
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patch -d $CACHEDIR -p0 -R < $NEWP
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done
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echo "*** Removing backup copy of kernel sources"
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rm -rf ${SRCDIR}.orig
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echo
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echo "*** Done"
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