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parse-maintainers: add ability to specify filenames

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parse-maintainers.pl is convenient, but currently hard-codes the
filenames that are used.

Allow user-specified filenames to simplify the use of the script.

Link: http://lkml.kernel.org/r/48703c068b3235223ffa3b2eb268fa0a125b25e0.1502251549.git.joe@perches.com
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Joe Perches 2017-11-17 15:27:10 -08:00 committed by Linus Torvalds
parent aaf5dcfb22
commit 1e6270d07c
1 changed files with 47 additions and 5 deletions
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52
scripts/parse-maintainers.pl
View File

@ -2,9 +2,44 @@
# SPDX-License-Identifier: GPL-2.0
use strict;
use Getopt::Long qw(:config no_auto_abbrev);
my $input_file = "MAINTAINERS";
my $output_file = "MAINTAINERS.new";
my $output_section = "SECTION.new";
my $help = 0;
my $P = $0;
if (!GetOptions(
'input=s' => \$input_file,
'output=s' => \$output_file,
'section=s' => \$output_section,
'h|help|usage' => \$help,
)) {
die "$P: invalid argument - use --help if necessary\n";
}
if ($help != 0) {
usage();
exit 0;
}
sub usage {
print <<EOT;
usage: $P [options] <pattern matching regexes>
--input => MAINTAINERS file to read (default: MAINTAINERS)
--output => sorted MAINTAINERS file to write (default: MAINTAINERS.new)
--section => new sorted MAINTAINERS file to write to (default: SECTION.new)
If <pattern match regexes> exist, then the sections that match the
regexes are not written to the output file but are written to the
section file.
EOT
}
# sort comparison functions
sub by_category($$) {
my ($a, $b) = @_;
@ -56,13 +91,20 @@ sub trim {
sub alpha_output {
my ($hashref, $filename) = (@_);
return if ! scalar(keys %$hashref);
open(my $file, '>', "$filename") or die "$P: $filename: open failed - $!\n";
my $separator;
foreach my $key (sort by_category keys %$hashref) {
if ($key eq " ") {
chomp $$hashref{$key};
print $file $$hashref{$key};
} else {
print $file "\n" . $key . "\n";
if (! defined $separator) {
$separator = "\n";
} else {
print $file $separator;
}
print $file $key . "\n";
foreach my $pattern (sort by_pattern split('\n', %$hashref{$key})) {
print $file ($pattern . "\n");
}
@ -112,7 +154,7 @@ sub file_input {
my %hash;
my %new_hash;
file_input(\%hash, "MAINTAINERS");
file_input(\%hash, $input_file);
foreach my $type (@ARGV) {
foreach my $key (keys %hash) {
@ -123,7 +165,7 @@ foreach my $type (@ARGV) {
}
}
alpha_output(\%hash, "MAINTAINERS.new");
alpha_output(\%new_hash, "SECTION.new");
alpha_output(\%hash, $output_file);
alpha_output(\%new_hash, $output_section);
exit(0);