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parse-maintainers: Add section pattern sorting

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Section [A-Z]: patterns are not currently in any required sorting order.
Add a specific sorting sequence to MAINTAINERS entries.
Sort F: and X: patterns in alphabetic order.

The preferred section ordering is:

  SECTION HEADER
  M:	Maintainers
  R:	Reviewers
  P:	Named persons without email addresses
  L:	Mailing list addresses
  S:	Status of this section (Supported, Maintained, Orphan, etc...)
  W:	Any relevant URLs
  T:	Source code control type (git, quilt, etc)
  Q:	Patchwork patch acceptance queue site
  B:	Bug tracking URIs
  C:	Chat URIs
  F:	Files with wildcard patterns (alphabetic ordered)
  X:	Excluded files with wildcard patterns (alphabetic ordered)
  N:	Files with regex patterns
  K:	Keyword regexes in source code for maintainership identification

Miscellaneous perl neatening:

 - Rename %map to %hash, map has a different meaning in perl
 - Avoid using \& and local variables for function indirection
 - Use return for a little c like clarity
 - Use c-like function call style instead of &function

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Joe Perches 2017-08-05 18:45:47 -07:00 committed by Linus Torvalds
parent 6f7d98ec44
commit 61f741645a
1 changed files with 49 additions and 21 deletions
repo.diff.show_diff_stats Download patch file Download diff file Expand all files Collapse all files

70
scripts/parse-maintainers.pl
View file

@ -2,9 +2,9 @@
use strict;
my %map;
my %hash;
# sort comparison function
# sort comparison functions
sub by_category($$) {
my ($a, $b) = @_;
@ -15,20 +15,47 @@ sub by_category($$) {
$a =~ s/THE REST/ZZZZZZ/g;
$b =~ s/THE REST/ZZZZZZ/g;
$a cmp $b;
return $a cmp $b;
}
sub by_pattern($$) {
my ($a, $b) = @_;
my $preferred_order = 'MRPLSWTQBCFXNK';
my $a1 = uc(substr($a, 0, 1));
my $b1 = uc(substr($b, 0, 1));
my $a_index = index($preferred_order, $a1);
my $b_index = index($preferred_order, $b1);
$a_index = 1000 if ($a_index == -1);
$b_index = 1000 if ($b_index == -1);
if (($a1 =~ /^F$/ && $b1 =~ /^F$/) ||
($a1 =~ /^X$/ && $b1 =~ /^X$/)) {
return $a cmp $b;
}
if ($a_index < $b_index) {
return -1;
} elsif ($a_index == $b_index) {
return 0;
} else {
return 1;
}
}
sub alpha_output {
my $key;
my $sort_method = \&by_category;
my $sep = "";
foreach $key (sort $sort_method keys %map) {
if ($key ne " ") {
print $sep . $key . "\n";
$sep = "\n";
}
print $map{$key};
foreach my $key (sort by_category keys %hash) {
if ($key eq " ") {
chomp $hash{$key};
print $hash{$key};
} else {
print "\n" . $key . "\n";
foreach my $pattern (sort by_pattern split('\n', $hash{$key})) {
print($pattern . "\n");
}
}
}
}
@ -42,7 +69,7 @@ sub trim {
sub file_input {
my $lastline = "";
my $case = " ";
$map{$case} = "";
$hash{$case} = "";
while (<>) {
my $line = $_;
@ -51,27 +78,28 @@ sub file_input {
if ($line =~ m/^([A-Z]):\s*(.*)/) {
$line = $1 . ":\t" . trim($2) . "\n";
if ($lastline eq "") {
$map{$case} = $map{$case} . $line;
$hash{$case} = $hash{$case} . $line;
next;
}
$case = trim($lastline);
exists $map{$case} and die "Header '$case' already exists";
$map{$case} = $line;
exists $hash{$case} and die "Header '$case' already exists";
$hash{$case} = $line;
$lastline = "";
next;
}
if ($case eq " ") {
$map{$case} = $map{$case} . $lastline;
$hash{$case} = $hash{$case} . $lastline;
$lastline = $line;
next;
}
trim($lastline) eq "" or die ("Odd non-pattern line '$lastline' for '$case'");
$lastline = $line;
}
$map{$case} = $map{$case} . $lastline;
$hash{$case} = $hash{$case} . $lastline;
}
&file_input;
&alpha_output;
file_input();
alpha_output();
exit(0);