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#!/usr/bin/env bash
# A little script I whipped up to make it easy to
# patch source trees and have sane error handling
# -Erik
#
# (c) 2006, 2007 Thorsten Glaser <tg@freewrt.org>
# (c) 2002 Erik Andersen <andersen@codepoet.org>
[[ -n $BASH_VERSION ]] && shopt -s extglob
# Set directories from arguments, or use defaults.
targetdir=${1-.}
patchdir=${2-../patches}
patchpattern=${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 0
fi
wd=$(pwd)
cd $patchdir
rm -f $targetdir/.patch.tmp
for i in $(eval echo ${patchpattern}); do
test -e "$i" || continue
i=$patchdir/$i
cd $wd
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} | tee $targetdir/.patch.tmp | patch -p1 -E -d ${targetdir}
fgrep '@@ -0,0 ' $targetdir/.patch.tmp >/dev/null 2>&1 && \
touch $targetdir/.patched-newfiles
rm -f $targetdir/.patch.tmp
if [ $? != 0 ] ; then
echo "Patch failed! Please fix $i!"
exit 1
fi
cd $patchdir
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 {} \;
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