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qubes-linux-kernel/apply-patches

48 lines
1.1 KiB

#!/bin/sh
#
# Given a series.conf file and a directory with patches, applies them to the
# current directory.
# Used by kernel-source.spec.in and kernel-binary.spec.in
USAGE="$0 [--vanilla] <series.conf> <patchdir> [symbol ...]"
set -e
set -o pipefail
vanilla=false
if test "$1" == "--vanilla"; then
vanilla=true
shift
fi
if test $# -lt 2; then
echo "$USAGE" >&2
exit 1
fi
DIR="${0%/*}"
SERIES_CONF=$1
PATCH_DIR=$2
shift 2
trap 'rm -f "$series"' EXIT
series=$(mktemp)
# support for patches in patches.addon/series
cp "$SERIES_CONF" "$series"
if ! $vanilla && test -e "$PATCH_DIR/patches.addon/series"; then
# make it user-friendly and automatically prepend "patches.addon/"
# if there is no "/"
sed -r 's|^([[:space:]]*)([^#[:space:]][^/]*)$|\1patches.addon/\2|' \
"$PATCH_DIR/patches.addon/series" >>"$series"
fi
(
echo "trap 'echo \"*** patch \$_ failed ***\"' ERR"
echo "set -ex"
"$DIR"/guards "$@" <"$series" | \
if $vanilla; then
egrep '^patches\.(kernel\.org|rpmify)/'
else
cat
fi |\
sed "s|^|patch -s -F0 -E -p1 --no-backup-if-mismatch -i $PATCH_DIR/|"
) | sh