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#!/bin/sh
#
# Automatically make the patches for the updated files by find
# the corresponding '*.orig' files through the given directory.
#
# Based on the 'makepatch' target of FreeBSD 'Mk/bsd.port.mk'.
#
#
# Aaron LI
# Created: 2015-10-13
# Updated: 2015-12-07
#
# ChangeLog:
# 2015-12-06:
# * Drop option '-s' for `find`
# 2015-12-07:
# * Replace 'workdir' with 'srcdir'
# * Make find to search 'srcdir' instead of '.'
#
case "$1" in
-[hH]*|--[hH]*)
echo "Usage: $0 [srcdir] [patchdir]"
echo ""
echo "Both 'srcdir' and 'patchdir' default to be ."
exit 1
;;
esac
SRCDIR=${1:-.}
PATCHDIR=${2:-.}
if [ ! -d "${PATCHDIR}" ]; then
mkdir ${PATCHDIR}
fi
PATCH_PATH_SEPARATOR="_"
for f in `find ${SRCDIR}/ -type f -name '*.orig'`; do
_SEEN="NO"
ORIG=${f#./}
NEW=${ORIG%.orig}
if cmp -s ${ORIG} ${NEW}; then
# The two files are identical
continue
fi
PATCH=`echo ${NEW} | sed -e \
"s|${PATCH_PATH_SEPARATOR}|&&|g" -e "s|/|${PATCH_PATH_SEPARATOR}|g"`
OUT="${PATCHDIR}/patch-${PATCH}"
if test -f "${OUT}"; then
echo WARNING: patch already exists: \"${OUT}\"
else
echo diff -udp ${ORIG} ${NEW} '>' ${OUT}
TZ=UTC diff -udp ${ORIG} ${NEW} | sed -e \
'/^---/s|\.[0-9]* +0000$| UTC|' -e \
'/^+++/s|\([[:blank:]][-0-9:.+]*\)*$||' > ${OUT}
fi
done
exit 0
|
