[Xen-devel] [PATCH for-4.11 v3 1/2] Add Designated Reviewer (R:) to MAINTAINERS file and add support for it in get_maintainer.pl

[Lars Kurth <lars.kurth@xxxxxxxxxx>]

The syntax has been copied from the Linux Maintainers file. I moved the 
following Linux
get_maintainer.pl patches to Xen, fixing up some merge issues (and a bug).

The get_maintainer.pl changes were based on the following git commits
* 
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/scripts/get_maintainer.pl?id=
* c1c3f2c906e35bcb6e4cdf5b8e077660fead14fe
* 4f07510df2e8c47fd65b8ffaaf6c5d334d59d598

I also removed code related to
  P: Person (obsolete)
which is in the Linux MAINTAINER's file, but not ours. I may not have
caught all instances though.

I have tested on a number of files using mock entries in MAINTAINERS
using ./scripts/get_maintainer.pl -f ...

I also tested --nor to disable the support and it worked as expected.

Cc: Lars Kurth <lars.kurth@xxxxxxxxxx>
Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
Cc: George Dunlap <George.Dunlap@xxxxxxxxxxxxx>
Cc: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>
Cc: Jan Beulich <jbeulich@xxxxxxxx>
Cc: Julien Grall <julien.grall@xxxxxxx>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
Cc: Stefano Stabellini <sstabellini@xxxxxxxxxx>
Cc: Tim Deegan <tim@xxxxxxx>
Cc: Wei Liu <wei.liu2@xxxxxxxxxx>
Cc: Juergen Gross <jgross@xxxxxxxx>
Signed-off-by: Lars Kurth <lars.kurth@xxxxxxxxxx>

Release-acked-by: Juergen Gross <jgross@xxxxxxxx>
Acked-by: Wei Liu <wei.liu2@xxxxxxxxxx>
---
 MAINTAINERS               |  4 ++++
 scripts/get_maintainer.pl | 24 +++++++++++-------------
 2 files changed, 15 insertions(+), 13 deletions(-)

diff --git a/MAINTAINERS b/MAINTAINERS
index 90aa759145..b12048935b 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -60,6 +60,10 @@ appropriate branch.
 Descriptions of section entries:
 
        M: Mail patches to: FullName <address@domain>
+       R: Designated reviewer: FullName <address@domain>
+          Reviewers should be CCed on patches.  However, they do not
+          have a formal governance role, and are listed here
+          simply because of their own request.
        L: Mailing list that is relevant to this area
        W: Web-page with status/info
        T: SCM tree type and location.  Type is one of: git, hg, quilt, stgit.
diff --git a/scripts/get_maintainer.pl b/scripts/get_maintainer.pl
index 3fb1ad4b69..d528da738c 100755
--- a/scripts/get_maintainer.pl
+++ b/scripts/get_maintainer.pl
@@ -21,6 +21,7 @@ my $xen_path = "./";
 my $email = 1;
 my $email_usename = 1;
 my $email_maintainer = 1;
+my $email_reviewer = 1;
 my $email_list = 1;
 my $email_subscriber_list = 0;
 my $email_git_penguin_chiefs = 0;
@@ -199,6 +200,7 @@ if (!GetOptions(
                'mailmap!' => \$email_use_mailmap,
                'drop_the_rest_supporter!' => 
\$email_drop_the_rest_supporter_if_supporter_found,
                'm!' => \$email_maintainer,
+               'r!' => \$email_reviewer,
                'n!' => \$email_usename,
                'l!' => \$email_list,
                's!' => \$email_subscriber_list,
@@ -257,7 +259,8 @@ if ($sections) {
 }
 
 if ($email &&
-    ($email_maintainer + $email_list + $email_subscriber_list +
+    ($email_maintainer + $email_reviewer +
+     $email_list + $email_subscriber_list +
      $email_git + $email_git_penguin_chiefs + $email_git_blame) == 0) {
     die "$P: Please select at least 1 email option\n";
 }
@@ -791,6 +794,7 @@ MAINTAINER field selection options:
     --hg-since => hg history to use (default: $email_hg_since)
     --interactive => display a menu (mostly useful if used with the --git 
option)
     --m => include maintainer(s) if any
+    --r => include reviewer(s) if any
     --n => include name 'Full Name <addr\@domain.tld>'
     --l => include list(s) if any
     --s => include subscriber only list(s) if any
@@ -817,7 +821,7 @@ Other options:
   --help => show this help information
 
 Default options:
-  [--email --nogit --git-fallback --m --n --l --multiline -pattern-depth=0
+  [--email --nogit --git-fallback --m --r --n --l --multiline -pattern-depth=0
    --remove-duplicates --rolestats]
 
 Notes:
@@ -1080,21 +1084,15 @@ sub add_categories {
                }
            } elsif ($ptype eq "M") {
                my ($name, $address) = parse_email($pvalue);
-               if ($name eq "") {
-                   if ($i > 0) {
-                       my $tv = $typevalue[$i - 1];
-                       if ($tv =~ m/^([A-Z]):\s*(.*)/) {
-                           if ($1 eq "P") {
-                               $name = $2;
-                               $pvalue = format_email($name, $address, 
$email_usename);
-                           }
-                       }
-                   }
-               }
                if ($email_maintainer) {
                    my $role = get_maintainer_role($i);
                    push_email_addresses($pvalue, $role);
                }
+           } elsif ($ptype eq "R") {
+               my ($name, $address) = parse_email($pvalue);
+               if ($email_reviewer) {
+                   push_email_addresses($pvalue, 'reviewer');
+               }
            } elsif ($ptype eq "T") {
                push(@scm, $pvalue);
            } elsif ($ptype eq "W") {
-- 
2.13.0


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