diff mbox

[dpdk-dev] scripts: fix checkpatch help

Message ID 1455633414-4778-1-git-send-email-olivier.matz@6wind.com (mailing list archive)
State Accepted, archived
Delegated to: Thomas Monjalon
Headers

Commit Message

Olivier Matz Feb. 16, 2016, 2:36 p.m. UTC 
  When started without defining DPDK_CHECKPATCH_PATH, the usage was not
displayed.

Signed-off-by: Olivier Matz <olivier.matz@6wind.com>
---
 scripts/checkpatches.sh | 18 +++++++++++++-----
 1 file changed, 13 insertions(+), 5 deletions(-)

Comments

Thomas Monjalon March 24, 2016, 9:19 p.m. UTC | #1 
2016-02-16 15:36, Olivier Matz:
> When started without defining DPDK_CHECKPATCH_PATH, the usage was not
> displayed.
> 
> Signed-off-by: Olivier Matz <olivier.matz@6wind.com>

Applied, thanks
diff mbox

Patch

diff --git a/scripts/checkpatches.sh b/scripts/checkpatches.sh
index afc611b..1e765e3 100755
--- a/scripts/checkpatches.sh
+++ b/scripts/checkpatches.sh
@@ -34,10 +34,6 @@ 
 # - DPDK_CHECKPATCH_PATH
 # - DPDK_CHECKPATCH_LINE_LENGTH
 . scripts/load-devel-config.sh
-if [ ! -x "$DPDK_CHECKPATCH_PATH" ] ; then
-	echo 'Cannot execute DPDK_CHECKPATCH_PATH' >&2
-	exit 1
-fi
 
 length=${DPDK_CHECKPATCH_LINE_LENGTH:-80}
 
@@ -51,7 +47,12 @@  SPLIT_STRING,LINE_SPACING,PARENTHESIS_ALIGNMENT,NETWORKING_BLOCK_COMMENT_STYLE,\
 NEW_TYPEDEFS,COMPARISON_TO_NULL"
 
 print_usage () {
-	echo "usage: $(basename $0) [-q] [-v] [patch1 [patch2] ...]]"
+	cat <<- END_OF_HELP
+	usage: $(basename $0) [-q] [-v] [patch1 [patch2] ...]]
+
+	Run Linux kernel checkpatch.pl with DPDK options.
+	The environment variable DPDK_CHECKPATCH_PATH must be set.
+	END_OF_HELP
 }
 
 quiet=false
@@ -66,6 +67,13 @@  while getopts hqv ARG ; do
 done
 shift $(($OPTIND - 1))
 
+if [ ! -x "$DPDK_CHECKPATCH_PATH" ] ; then
+	print_usage
+	echo
+	echo 'Cannot execute DPDK_CHECKPATCH_PATH' >&2
+	exit 1
+fi
+
 status=0
 for p in "$@" ; do
 	! $verbose || printf '\n### %s\n\n' "$p"