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#!/bin/sh
# SPDX-License-Identifier: LGPL-2.1-or-later
set -eu
TOP="$(git rev-parse --show-toplevel)"
case "${1:-}" in
recdiff)
if [ "${2:-}" = "" ] ; then
DIR="$TOP"
else
DIR="$2"
fi
find "$DIR" -type f \( -name '*.[ch]' -o -name '*.xml' \) -exec "$0" diff \{\} \;
;;
recpatch)
if [ "${2:-}" = "" ] ; then
DIR="$TOP"
else
DIR="$2"
fi
find "$DIR" -type f \( -name '*.[ch]' -o -name '*.xml' \) -exec "$0" patch \{\} \;
;;
diff)
T="$(mktemp)"
sed '/^$/N;/^\n$/D' <"${2:?}" >"$T"
diff -u "$2" "$T"
rm -f "$T"
;;
patch)
sed -i '/^$/N;/^\n$/D' "${2:?}"
;;
*)
echo "Expected recdiff|recpatch|diff|patch as verb." >&2
;;
esac
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