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-rwxr-xr-xscripts/checkpatch.pl35
1 files changed, 29 insertions, 6 deletions
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index ab12e3040abb..63409dbd0de5 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -57,7 +57,7 @@ my $codespell = 0;
my $codespellfile = "/usr/share/codespell/dictionary.txt";
my $conststructsfile = "$D/const_structs.checkpatch";
my $typedefsfile = "";
-my $color = 1;
+my $color = "auto";
my $allow_c99_comments = 1;
sub help {
@@ -116,7 +116,8 @@ Options:
(default:/usr/share/codespell/dictionary.txt)
--codespellfile Use this codespell dictionary
--typedefsfile Read additional types from this file
- --color Use colors when output is STDOUT (default: on)
+ --color[=WHEN] Use colors 'always', 'never', or only when output
+ is a terminal ('auto'). Default is 'auto'.
-h, --help, --version display this help and exit
When FILE is - read standard input.
@@ -182,6 +183,14 @@ if (-f $conf) {
unshift(@ARGV, @conf_args) if @conf_args;
}
+# Perl's Getopt::Long allows options to take optional arguments after a space.
+# Prevent --color by itself from consuming other arguments
+foreach (@ARGV) {
+ if ($_ eq "--color" || $_ eq "-color") {
+ $_ = "--color=$color";
+ }
+}
+
GetOptions(
'q|quiet+' => \$quiet,
'tree!' => \$tree,
@@ -212,7 +221,9 @@ GetOptions(
'codespell!' => \$codespell,
'codespellfile=s' => \$codespellfile,
'typedefsfile=s' => \$typedefsfile,
- 'color!' => \$color,
+ 'color=s' => \$color,
+ 'no-color' => \$color, #keep old behaviors of -nocolor
+ 'nocolor' => \$color, #keep old behaviors of -nocolor
'h|help' => \$help,
'version' => \$help
) or help(1);
@@ -238,6 +249,18 @@ if ($#ARGV < 0) {
push(@ARGV, '-');
}
+if ($color =~ /^[01]$/) {
+ $color = !$color;
+} elsif ($color =~ /^always$/i) {
+ $color = 1;
+} elsif ($color =~ /^never$/i) {
+ $color = 0;
+} elsif ($color =~ /^auto$/i) {
+ $color = (-t STDOUT);
+} else {
+ die "Invalid color mode: $color\n";
+}
+
sub hash_save_array_words {
my ($hashRef, $arrayRef) = @_;
@@ -1883,7 +1906,7 @@ sub report {
return 0;
}
my $output = '';
- if (-t STDOUT && $color) {
+ if ($color) {
if ($level eq 'ERROR') {
$output .= RED;
} elsif ($level eq 'WARNING') {
@@ -1894,10 +1917,10 @@ sub report {
}
$output .= $prefix . $level . ':';
if ($show_types) {
- $output .= BLUE if (-t STDOUT && $color);
+ $output .= BLUE if ($color);
$output .= "$type:";
}
- $output .= RESET if (-t STDOUT && $color);
+ $output .= RESET if ($color);
$output .= ' ' . $msg . "\n";
if ($showfile) {