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#!/bin/bash
PROG_NAME=`basename $0`
usage()
{
echo "$PROG_NAME usage:"
echo -e "\t$PROG_NAME patch_file [-dry] [-revert] files*"
echo -e "\n\tpatch_file\tpatch to apply."
echo -e "\tfiles\tfiles to be used"
echo -e "\t-dry\tdry run - don't do any changes just try what would be done."
echo -e "\t-revert\trevers given patch"
exit 1
}
if [ $# -lt 1 ]
then
usage
fi
PATCH_FILE=$1
FILES=
DRY=
REVERT=
shift
for param in $*
do
if [ "i$1" = "i-dry" ]
then
DRY=--dry-run
shift
continue
fi
if [ "i$1" = "i-revert" ]
then
REVERT=-R
shift
continue
fi
if [ -f $1 ]
then
FILES="$FILES $1"
shift
continue
fi
echo "Unrecognized parameter $1 (skipping)"
shift
done
echo patch to be used: $PATCH_FILE
echo files to be patched: $FILES
[ -n "$DRY" ] && echo dry-run
[ -n "$REVERT" ] && echo reverting
for FILE in $FILES
do
echo -n "Patching $FILE "
# cat $PATCH_FILE | sed -e "s/\(^---\)\s\(.*\)\s.*/\1 ${FILE}/" -e "s/\(^+++\)\s\(.*\)\s.*/\1 ${FILE}/" | patch -p0 --dry-run && echo ok || echo failed
patch <$PATCH_FILE -p0 $DRY $REVERT $FILE >& /dev/null && echo -e "\tok" || echo -e "\tfailed"
done
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