1 files changed, 135 insertions, 0 deletions
diff --git a/devtools/checkpatches.sh b/devtools/checkpatches.sh
new file mode 100755
index 00000000..a56c41a3
--- /dev/null
+++ b/devtools/checkpatches.sh
@@ -0,0 +1,135 @@
+#! /bin/sh
+
+# BSD LICENSE
+#
+# Copyright 2015 6WIND S.A.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+#
+#   * Redistributions of source code must retain the above copyright
+#     notice, this list of conditions and the following disclaimer.
+#   * Redistributions in binary form must reproduce the above copyright
+#     notice, this list of conditions and the following disclaimer in
+#     the documentation and/or other materials provided with the
+#     distribution.
+#   * Neither the name of 6WIND S.A. nor the names of its
+#     contributors may be used to endorse or promote products derived
+#     from this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+# Load config options:
+# - DPDK_CHECKPATCH_PATH
+# - DPDK_CHECKPATCH_LINE_LENGTH
+. $(dirname $(readlink -e $0))/load-devel-config
+
+length=${DPDK_CHECKPATCH_LINE_LENGTH:-80}
+
+# override default Linux options
+options="--no-tree"
+options="$options --max-line-length=$length"
+options="$options --show-types"
+options="$options --ignore=LINUX_VERSION_CODE,FILE_PATH_CHANGES,\
+VOLATILE,PREFER_PACKED,PREFER_ALIGNED,PREFER_PRINTF,\
+PREFER_KERNEL_TYPES,BIT_MACRO,CONST_STRUCT,\
+SPLIT_STRING,LONG_LINE_STRING,\
+LINE_SPACING,PARENTHESIS_ALIGNMENT,NETWORKING_BLOCK_COMMENT_STYLE,\
+NEW_TYPEDEFS,COMPARISON_TO_NULL"
+
+print_usage () {
+	cat <<- END_OF_HELP
+	usage: $(basename $0) [-q] [-v] [-nX|patch1 [patch2] ...]]
+
+	Run Linux kernel checkpatch.pl with DPDK options.
+	The environment variable DPDK_CHECKPATCH_PATH must be set.
+
+	The patches to check can be from stdin, files specified on the command line,
+	or latest git commits limited with -n option (default limit: origin/master).
+	END_OF_HELP
+}
+
+number=0
+quiet=false
+verbose=false
+while getopts hn:qv ARG ; do
+	case $ARG in
+		n ) number=$OPTARG ;;
+		q ) quiet=true ;;
+		v ) verbose=true ;;
+		h ) print_usage ; exit 0 ;;
+		? ) print_usage ; exit 1 ;;
+	esac
+done
+shift $(($OPTIND - 1))
+
+if [ ! -x "$DPDK_CHECKPATCH_PATH" ] ; then
+	print_usage >&2
+	echo
+	echo 'Cannot execute DPDK_CHECKPATCH_PATH' >&2
+	exit 1
+fi
+
+total=0
+status=0
+
+check () { # <patch> <commit> <title>
+	total=$(($total + 1))
+	! $verbose || printf '\n### %s\n\n' "$3"
+	if [ -n "$1" ] ; then
+		report=$($DPDK_CHECKPATCH_PATH $options "$1" 2>/dev/null)
+	elif [ -n "$2" ] ; then
+		report=$(git format-patch --find-renames --no-stat --stdout -1 $commit |
+			$DPDK_CHECKPATCH_PATH $options - 2>/dev/null)
+	else
+		report=$($DPDK_CHECKPATCH_PATH $options - 2>/dev/null)
+	fi
+	[ $? -ne 0 ] || return 0
+	$verbose || printf '\n### %s\n\n' "$3"
+	printf '%s\n' "$report" | sed -n '1,/^total:.*lines checked$/p'
+	status=$(($status + 1))
+}
+
+if [ -n "$1" ] ; then
+	for patch in "$@" ; do
+		# Subject can be on 2 lines
+		subject=$(sed '/^Subject: */!d;s///;N;s,\n[[:space:]]\+, ,;s,\n.*,,;q' "$patch")
+		check "$patch" '' "$subject"
+	done
+elif [ ! -t 0 ] ; then # stdin
+	subject=$(while read header value ; do
+		if [ "$header" = 'Subject:' ] ; then
+			IFS= read next
+			continuation=$(echo "$next" | sed -n 's,^[[:space:]]\+, ,p')
+			echo $value$continuation
+			break
+		fi
+	done)
+	check '' '' "$subject"
+else
+	if [ $number -eq 0 ] ; then
+		commits=$(git rev-list --reverse origin/master..)
+	else
+		commits=$(git rev-list --reverse --max-count=$number HEAD)
+	fi
+	for commit in $commits ; do
+		subject=$(git log --format='%s' -1 $commit)
+		check '' $commit "$subject"
+	done
+fi
+pass=$(($total - $status))
+$quiet || printf '\n%d/%d valid patch' $pass $total
+$quiet || [ $pass -le 1 ] || printf 'es'
+$quiet || printf '\n'
+exit $status