kernel-source/group-source-files.pl

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2.7 KiB
Perl
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#!/usr/bin/perl
use File::Spec;
use Getopt::Long;
use strict;
&main();
sub main
{
my($dev_output, $ndev_output, $loc) = ("-", "-", ".");
&Getopt::Long::Configure(qw(bundling));
&GetOptions(
"D=s" => \$dev_output,
"N=s" => \$ndev_output,
"L=s" => \$loc,
);
my($dev, $ndev) = &scan($loc);
&output($dev, $ndev, $dev_output, $ndev_output);
}
sub rpm_quote_filename
{
# technically should also quote % -> %% " -> \" \ -> \\
return map { "\"$_\"" } @_;
}
sub scan
{
# Normalize file path, mainly to strip away the ending forward slash,
# or any double forward slashes.
my $loc = File::Spec->canonpath(shift @_);
# We cannot use an absolute path (e.g. /usr/src/linux-5.14.21-150500.41)
# during find because it's under build root, but rpm wants one later.
my $abs_loc = rpm_path($loc);
my(@dev, @ndev);
foreach $_ (`find "$loc"`)
{
chomp $_;
if (-d $_ && !-l $_) {
# Generate directory list later.
next;
}
my $is_devel =
m{^\Q$loc\E.*/Kconfig} ||
m{^\Q$loc\E.*/Kbuild} ||
m{^\Q$loc\E.*/Makefile} ||
m{^\Q$loc\E/arch/[^/]+/boot/dts/include/dt-bindings\b} ||
m{^\Q$loc\E/arch/[^/]+/include\b} ||
m{^\Q$loc\E/arch/.*/module\.lds\b} ||
m{^\Q$loc\E/arch/arm/[^/]+/include/mach\b} ||
m{^\Q$loc\E/arch/arm/[^/]+/include/plat\b} ||
m{^\Q$loc\E/arch/[^/]+/scripts\b} ||
m{^\Q$loc\E/arch/[^/]+/tools\b} ||
m{^\Q$loc\E/include/[^/]+\b} ||
m{^\Q$loc\E/scripts\b};
my $abs_path = rpm_path($_);
$is_devel ? push(@dev, $abs_path) : push(@ndev, $abs_path);
}
my @dev_dirs = calc_dirs($abs_loc, \@dev);
my @ndev_dirs = calc_dirs($abs_loc, \@ndev);
@dev = rpm_quote_filename(@dev);
@ndev = rpm_quote_filename(@ndev);
@dev_dirs = map { "\%dir $_" } rpm_quote_filename(@dev_dirs);
@ndev_dirs = map { "\%dir $_" } rpm_quote_filename(@ndev_dirs);
push(@dev, @dev_dirs);
push(@ndev, @ndev_dirs);
return (\@dev, \@ndev);
}
sub calc_dirs
{
my($base, $files) = @_;
my %dirs;
foreach my $file (@$files) {
my ($volume,$path,$basename) = File::Spec->splitpath($file);
my @dirs = File::Spec->splitdir($path);
do {
# Always create $path from catdir() to avoid ending forward slash
$path = File::Spec->catdir(@dirs);
$dirs{$path} = 1;
pop @dirs;
} while ($path ne $base);
# This loop also makes sure that $base itself is included.
}
return keys %dirs;
}
sub output
{
my($dev, $ndev, $dev_out, $ndev_out) = @_;
local *FH;
open(FH, "> $dev_out") || warn "Error writing to $dev_out: $!";
print FH join("\n", @$dev), "\n";
close FH;
open(FH, "> $ndev_out") || warn "Error writing to $ndev_out: $!";
print FH join("\n", @$ndev), "\n";
close FH;
}
sub rpm_path
{
my $path = shift @_;
# Always prepend forward slash and let canonpath take care of
# duplicate forward slashes.
return File::Spec->canonpath("/$path");
}