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scripts/get_maintainer.pl: use --git-fallback more often

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On Fri, 2010-11-05 at 13:50 -0700, Andrew Morton wrote:
> z:/usr/src/git26> perl scripts/get_maintainer.pl -file mm/mempolicy.c
> linux-mm@kvack.org
> linux-kernel@vger.kernel.org

Turns out this is an arguable defect in the script.

The MAINTAINERS entry for mm is:

MEMORY MANAGEMENT
L:	linux-mm@kvack.org
W:	http://www.linux-mm.org
S:	Maintained
F:	include/linux/mm.h
F:	mm/

There's a maintainer entry, but no named individual, so the script doesn't
use git history via --git-fallback.

This is also a defect for MAINTAINERS with status entries marked "Orphan"
or "Odd fixes".

The script now checks a section for any "M:" entry and that an "S:" entry
is supported or maintained.  If both those conditions are not satisified,
use --git-fallback as appropriate.

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 2011-01-12 16:59:50 -08:00 committed by Linus Torvalds
parent 7e1863af16
commit ab6c937dba
1 changed files with 37 additions and 1 deletions
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38
scripts/get_maintainer.pl
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@ -494,6 +494,40 @@ if ($web) {
exit($exit);
sub range_is_maintained {
my ($start, $end) = @_;
for (my $i = $start; $i < $end; $i++) {
my $line = $typevalue[$i];
if ($line =~ m/^(\C):\s*(.*)/) {
my $type = $1;
my $value = $2;
if ($type eq 'S') {
if ($value =~ /(maintain|support)/i) {
return 1;
}
}
}
}
return 0;
}
sub range_has_maintainer {
my ($start, $end) = @_;
for (my $i = $start; $i < $end; $i++) {
my $line = $typevalue[$i];
if ($line =~ m/^(\C):\s*(.*)/) {
my $type = $1;
my $value = $2;
if ($type eq 'M') {
return 1;
}
}
}
return 0;
}
sub get_maintainers {
%email_hash_name = ();
%email_hash_address = ();
@ -556,7 +590,9 @@ sub get_maintainers {
my $file_pd = ($file =~ tr@/@@);
$value_pd++ if (substr($value,-1,1) ne "/");
$value_pd = -1 if ($value =~ /^\.\*/);
if ($value_pd >= $file_pd) {
if ($value_pd >= $file_pd &&
range_is_maintained($start, $end) &&
range_has_maintainer($start, $end)) {
$exact_pattern_match_hash{$file} = 1;
}
if ($pattern_depth == 0 ||