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get_maintainer: Prepare for separate MAINTAINERS files 

Allow for MAINTAINERS to become a directory and if it is,
read all the files in the directory for maintained sections.

Optionally look for all files named MAINTAINERS in directories
excluding the .git directory by using --find-maintainer-files.

This optional feature adds ~.3 seconds of CPU on an Intel
i5-6200 with an SSD.

Miscellanea:

 - Create a read_maintainer_file subroutine from the existing code
 - Test only the existence of MAINTAINERS, not whether it's a file

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Joe Perches 2017-08-04 21:45:48 -07:00 committed by Linus Torvalds
parent 6209ef6788
commit 6f7d98ec44
1 changed files with 64 additions and 23 deletions
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49
scripts/get_maintainer.pl
View File

@ -18,6 +18,7 @@ my $V = '0.26';
use Getopt::Long qw(:config no_auto_abbrev);
use Cwd;
use File::Find;
my $cur_path = fastgetcwd() . '/';
my $lk_path = "./";
@ -58,6 +59,7 @@ my $from_filename = 0;
my $pattern_depth = 0;
my $version = 0;
my $help = 0;
my $find_maintainer_files = 0;
my $vcs_used = 0;
@ -249,6 +251,7 @@ if (!GetOptions(
'sections!' => \$sections,
'fe|file-emails!' => \$file_emails,
'f|file' => \$from_filename,
'find-maintainer-files' => \$find_maintainer_files,
'v|version' => \$version,
'h|help|usage' => \$help,
)) {
@ -307,9 +310,13 @@ if (!top_of_kernel_tree($lk_path)) {
my @typevalue = ();
my %keyword_hash;
my @mfiles = ();
open (my $maint, '<', "${lk_path}MAINTAINERS")
or die "$P: Can't open MAINTAINERS: $!\n";
sub read_maintainer_file {
my ($file) = @_;
open (my $maint, '<', "$file")
or die "$P: Can't open MAINTAINERS file '$file': $!\n";
while (<$maint>) {
my $line = $_;
@ -330,13 +337,47 @@ while (<$maint>) {
$keyword_hash{@typevalue} = $value;
}
push(@typevalue, "$type:$value");
} elsif (!/^(\s)*$/) {
} elsif (!(/^\s*$/ || /^\s*\#/)) {
$line =~ s/\n$//g;
push(@typevalue, $line);
}
}
close($maint);
}
sub find_is_maintainer_file {
my ($file) = $_;
return if ($file !~ m@/MAINTAINERS$@);
$file = $File::Find::name;
return if (! -f $file);
push(@mfiles, $file);
}
sub find_ignore_git {
return grep { $_ !~ /^\.git$/; } @_;
}
if (-d "${lk_path}MAINTAINERS") {
opendir(DIR, "${lk_path}MAINTAINERS") or die $!;
my @files = readdir(DIR);
closedir(DIR);
foreach my $file (@files) {
push(@mfiles, "${lk_path}MAINTAINERS/$file") if ($file !~ /^\./);
}
}
if ($find_maintainer_files) {
find( { wanted => \&find_is_maintainer_file,
preprocess => \&find_ignore_git,
no_chdir => 1,
}, "${lk_path}");
} else {
push(@mfiles, "${lk_path}MAINTAINERS") if -f "${lk_path}MAINTAINERS";
}
foreach my $file (@mfiles) {
read_maintainer_file("$file");
}
#
# Read mail address map
@ -873,7 +914,7 @@ sub top_of_kernel_tree {
if ( (-f "${lk_path}COPYING")
&& (-f "${lk_path}CREDITS")
&& (-f "${lk_path}Kbuild")
&& (-f "${lk_path}MAINTAINERS")
&& (-e "${lk_path}MAINTAINERS")
&& (-f "${lk_path}Makefile")
&& (-f "${lk_path}README")
&& (-d "${lk_path}Documentation")