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devtools: guess checkpatch.pl path

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Try and find the script in the sources of the currently running kernel
so that users do not have to specify DPDK_CHECKPATCH_PATH which might
well be the same location found by the educated guess.

Signed-off-by: Henning Schild <henning.schild@siemens.com>
This commit is contained in:
Henning Schild 2022-09-07 17:01:44 +02:00 committed by Thomas Monjalon
parent 9d4efc5cc6
commit 431a60f781
1 changed files with 11 additions and 5 deletions
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16
devtools/checkpatches.sh
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@ -41,7 +41,8 @@ print_usage () {
usage: $(basename $0) [-h] [-q] [-v] [-nX|-r range|patch1 [patch2] ...]
Run Linux kernel checkpatch.pl with DPDK options.
The environment variable DPDK_CHECKPATCH_PATH must be set.
The environment variable DPDK_CHECKPATCH_PATH can be set, if not we will
try to find the script in the sources of the currently running kernel.
The patches to check can be from stdin, files specified on the command line,
latest git commits limited with -n option, or commits in the git range
@ -264,10 +265,15 @@ done
shift $(($OPTIND - 1))
if [ ! -f "$DPDK_CHECKPATCH_PATH" ] || [ ! -x "$DPDK_CHECKPATCH_PATH" ] ; then
print_usage >&2
echo
echo 'Cannot execute DPDK_CHECKPATCH_PATH' >&2
exit 1
default_path="/lib/modules/$(uname -r)/source/scripts/checkpatch.pl"
if [ -f "$default_path" ] && [ -x "$default_path" ] ; then
DPDK_CHECKPATCH_PATH="$default_path"
else
print_usage >&2
echo
echo 'Cannot execute DPDK_CHECKPATCH_PATH' >&2
exit 1
fi
fi
print_headline() { # <title>