diff options
| -rwxr-xr-x | scripts/checkpatch.pl | 55 |
1 files changed, 42 insertions, 13 deletions
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index b6f267b7203..e3c6b4922ff 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -28,6 +28,41 @@ my $mailback = 0; my $summary_file = 0; my $root; my %debug; +my $help = 0; + +sub help { + my ($exitcode) = @_; + + print << "EOM"; +Usage: $P [OPTION]... [FILE]... +Version: $V + +Options: + -q, --quiet quiet + --no-tree run without a kernel tree + --no-signoff do not check for 'Signed-off-by' line + --patch treat FILE as patchfile (default) + --emacs emacs compile window format + --terse one line per report + -f, --file treat FILE as regular source file + --subjective, --strict enable more subjective tests + --root=PATH PATH to the kernel tree root + --no-summary suppress the per-file summary + --mailback only produce a report in case of warnings/errors + --summary-file include the filename in summary + --debug KEY=[0|1] turn on/off debugging of KEY, where KEY is one of + 'values', 'possible', 'type', and 'attr' (default + is all off) + --test-only=WORD report only warnings/errors containing WORD + literally + -h, --help, --version display this help and exit + +When FILE is - read standard input. +EOM + + exit($exitcode); +} + GetOptions( 'q|quiet+' => \$quiet, 'tree!' => \$tree, @@ -35,7 +70,7 @@ GetOptions( 'patch!' => \$chk_patch, 'emacs!' => \$emacs, 'terse!' => \$terse, - 'file!' => \$file, + 'f|file!' => \$file, 'subjective!' => \$check, 'strict!' => \$check, 'root=s' => \$root, @@ -45,22 +80,16 @@ GetOptions( 'debug=s' => \%debug, 'test-only=s' => \$tst_only, -) or exit; + 'h|help' => \$help, + 'version' => \$help +) or help(1); + +help(0) if ($help); my $exit = 0; if ($#ARGV < 0) { - print "usage: $P [options] patchfile\n"; - print "version: $V\n"; - print "options: -q => quiet\n"; - print " --no-tree => run without a kernel tree\n"; - print " --terse => one line per report\n"; - print " --emacs => emacs compile window format\n"; - print " --file => check a source file\n"; - print " --strict => enable more subjective tests\n"; - print " --root => path to the kernel tree root\n"; - print " --no-summary => suppress the per-file summary\n"; - print " --summary-file => include the filename in summary\n"; + print "$P: no input files\n"; exit(1); } |