[PATCH] get_maintainer.pl: Add -mpath=<path or file> for MAINTAINERS file location

From: Joe Perches
Date: Fri Aug 03 2018 - 21:12:15 EST


Add the ability to have an override for the location of the
MAINTAINERS file.

Miscellanea:

o Properly indent a few lines with leading spaces

Suggested-by: Don Zickus <dzickus@xxxxxxxxxx>
Signed-off-by: Joe Perches <joe@xxxxxxxxxxx>
---
scripts/get_maintainer.pl | 48 +++++++++++++++++++++++++++++------------------
1 file changed, 30 insertions(+), 18 deletions(-)

diff --git a/scripts/get_maintainer.pl b/scripts/get_maintainer.pl
index 82a482f858ee..0ebdefe74d5b 100755
--- a/scripts/get_maintainer.pl
+++ b/scripts/get_maintainer.pl
@@ -62,7 +62,7 @@ my $self_test = undef;
my $version = 0;
my $help = 0;
my $find_maintainer_files = 0;
-
+my $maintainer_path;
my $vcs_used = 0;

my $exit = 0;
@@ -265,6 +265,7 @@ if (!GetOptions(
'fe|file-emails!' => \$file_emails,
'f|file' => \$from_filename,
'find-maintainer-files' => \$find_maintainer_files,
+ 'mpath|maintainer-path=s' => \$maintainer_path,
'self-test:s' => \$self_test,
'v|version' => \$version,
'h|help|usage' => \$help,
@@ -386,26 +387,37 @@ sub find_ignore_git {
read_all_maintainer_files();

sub read_all_maintainer_files {
- 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}");
+ my $path = "${lk_path}MAINTAINERS";
+ if (defined $maintainer_path) {
+ $path = $maintainer_path;
+ # Perl Cookbook tilde expansion if necessary
+ $path =~ s@^~([^/]*)@ $1 ? (getpwnam($1))[7] : ( $ENV{HOME} || $ENV{LOGDIR} || (getpwuid($<))[7])@ex;
+ }
+
+ if (-d $path) {
+ $path .= '/' if ($path !~ m@/$@);
+ if ($path eq "${lk_path}MAINTAINERS/") {
+ opendir(DIR, "$path") or die $!;
+ my @files = readdir(DIR);
+ closedir(DIR);
+ foreach my $file (@files) {
+ push(@mfiles, "$path$file") if ($file !~ /^\./);
+ }
+ }
+ if ($find_maintainer_files) {
+ find( { wanted => \&find_is_maintainer_file,
+ preprocess => \&find_ignore_git,
+ no_chdir => 1,
+ }, "$path");
+ }
+ } elsif (-f "$path") {
+ push(@mfiles, "$path");
} else {
- push(@mfiles, "${lk_path}MAINTAINERS") if -f "${lk_path}MAINTAINERS";
+ die "$P: MAINTAINER file not found '$path'\n";
}
-
+ die "$P: No MAINTAINER files found in '$path'\n" if (scalar(@mfiles) == 0);
foreach my $file (@mfiles) {
- read_maintainer_file("$file");
+ read_maintainer_file("$file");
}
}