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scripts/get_maintainer.pl: add --roles and --rolestats

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--roles shows the role of each email address, i.e. why it was selected.
--rolestats selects --roles and adds git log/blame signers #'s and %

Multiple roles are possible (supporter, maintainer, git-signer...)

--roles or --rolestats is meant to help identify appropriate maintainers
to notify and should not be used with "git send-email --cc-cmd"

Example output:

Existing:

$ ./scripts/get_maintainer.pl -f arch/x86/kernel/acpi/boot.c
Corentin Chary <corentincj@iksaif.net>
Karol Kozimor <sziwan@users.sourceforge.net>
Len Brown <len.brown@intel.com>
Pavel Machek <pavel@ucw.cz>
Rafael J. Wysocki <rjw@sisk.pl>
Thomas Gleixner <tglx@linutronix.de>
Ingo Molnar <mingo@redhat.com>
H. Peter Anvin <hpa@zytor.com>
x86@kernel.org
Yinghai Lu <yhlu.kernel@gmail.com>
Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
acpi4asus-user@lists.sourceforge.net
linux-pm@lists.linux-foundation.org
linux-kernel@vger.kernel.org

With --roles

$ ./scripts/get_maintainer.pl --roles -f arch/x86/kernel/acpi/boot.c
Corentin Chary <corentincj@iksaif.net> (maintainer:ASUS ACPI EXTRAS...)
Karol Kozimor <sziwan@users.sourceforge.net> (maintainer:ASUS ACPI EXTRAS...)
Len Brown <len.brown@intel.com> (supporter:SUSPEND TO RAM,git-signer)
Pavel Machek <pavel@ucw.cz> (supporter:SUSPEND TO RAM)
Rafael J. Wysocki <rjw@sisk.pl> (supporter:SUSPEND TO RAM)
Thomas Gleixner <tglx@linutronix.de> (maintainer:X86 ARCHITECTURE...)
Ingo Molnar <mingo@redhat.com> (maintainer:X86 ARCHITECTURE...,git-signer)
H. Peter Anvin <hpa@zytor.com> (maintainer:X86 ARCHITECTURE...)
x86@kernel.org (maintainer:X86 ARCHITECTURE...)
Yinghai Lu <yhlu.kernel@gmail.com> (git-signer)
Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> (git-signer)
acpi4asus-user@lists.sourceforge.net (open list:ASUS ACPI EXTRAS...)
linux-pm@lists.linux-foundation.org (open list:SUSPEND TO RAM)
linux-kernel@vger.kernel.org (open list)

With --rolestats

$ ./scripts/get_maintainer.pl --rolestats -f arch/x86/kernel/acpi/boot.c
Corentin Chary <corentincj@iksaif.net> (maintainer:ASUS ACPI EXTRAS...)
Karol Kozimor <sziwan@users.sourceforge.net> (maintainer:ASUS ACPI EXTRAS...)
Len Brown <len.brown@intel.com> (supporter:SUSPEND TO RAM,git-signer:16/79=20%)
Pavel Machek <pavel@ucw.cz> (supporter:SUSPEND TO RAM)
Rafael J. Wysocki <rjw@sisk.pl> (supporter:SUSPEND TO RAM)
Thomas Gleixner <tglx@linutronix.de> (maintainer:X86 ARCHITECTURE...)
Ingo Molnar <mingo@redhat.com> (maintainer:X86 ARCHITECTURE...,git-signer:29/79=37%)
H. Peter Anvin <hpa@zytor.com> (maintainer:X86 ARCHITECTURE...)
x86@kernel.org (maintainer:X86 ARCHITECTURE...)
Yinghai Lu <yhlu.kernel@gmail.com> (git-signer:12/79=15%)
Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> (git-signer:6/79=8%)
acpi4asus-user@lists.sourceforge.net (open list:ASUS ACPI EXTRAS...)
linux-pm@lists.linux-foundation.org (open list:SUSPEND TO RAM)
linux-kernel@vger.kernel.org (open list)

With --rolestats and --git-blame

$ ./scripts/get_maintainer.pl --rolestats --git-blame -f arch/x86/kernel/acpi/boot.c
Corentin Chary <corentincj@iksaif.net> (maintainer:ASUS ACPI EXTRAS...)
Karol Kozimor <sziwan@users.sourceforge.net> (maintainer:ASUS ACPI EXTRAS...)
Len Brown <len.brown@intel.com> (supporter:SUSPEND TO RAM,git-signer:16/79=20%,commits:22/154=14%)
Pavel Machek <pavel@ucw.cz> (supporter:SUSPEND TO RAM)
Rafael J. Wysocki <rjw@sisk.pl> (supporter:SUSPEND TO RAM)
Thomas Gleixner <tglx@linutronix.de> (maintainer:X86 ARCHITECTURE...)
Ingo Molnar <mingo@redhat.com> (maintainer:X86 ARCHITECTURE...,git-signer:29/79=37%,commits:36/154=23%)
H. Peter Anvin <hpa@zytor.com> (maintainer:X86 ARCHITECTURE...)
x86@kernel.org (maintainer:X86 ARCHITECTURE...)
Yinghai Lu <yhlu.kernel@gmail.com> (git-signer:12/79=15%,commits:9/154=6%)
Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> (git-signer:6/79=8%)
Andi Kleen <ak@suse.de> (commits:11/154=7%)
Andrew Morton <akpm@osdl.org> (commits:10/154=6%)
acpi4asus-user@lists.sourceforge.net (open list:ASUS ACPI EXTRAS...)
linux-pm@lists.linux-foundation.org (open list:SUSPEND TO RAM)
linux-kernel@vger.kernel.org (open list)

Other changes:

Format git-signers email addresses a bit to reduce bad signatures
Command line bad arguments emitted a verbose usage(), just show --help
Version number bumped to .22

Ben Hutchings had the idea and created a good deal of this implementation.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Cc: Greg KH <greg@kroah.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 2009-12-14 18:00:46 -08:00 committed by Linus Torvalds
parent 5ada918b82
commit 3c7385b81f
1 changed files with 176 additions and 18 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

194
scripts/get_maintainer.pl
View file

@ -13,7 +13,7 @@
use strict;
my $P = $0;
my $V = '0.21';
my $V = '0.22';
use Getopt::Long qw(:config no_auto_abbrev);
@ -33,6 +33,8 @@ my $email_git_blame = 0;
my $email_remove_duplicates = 1;
my $output_multiline = 1;
my $output_separator = ", ";
my $output_roles = 0;
my $output_rolestats = 0;
my $scm = 0;
my $web = 0;
my $subsystem = 0;
@ -79,6 +81,8 @@ if (!GetOptions(
'l!' => \$email_list,
's!' => \$email_subscriber_list,
'multiline!' => \$output_multiline,
'roles!' => \$output_roles,
'rolestats!' => \$output_rolestats,
'separator=s' => \$output_separator,
'subsystem!' => \$subsystem,
'status!' => \$status,
@ -90,8 +94,7 @@ if (!GetOptions(
'v|version' => \$version,
'h|help' => \$help,
)) {
usage();
die "$P: invalid argument\n";
die "$P: invalid argument - use --help if necessary\n";
}
if ($help != 0) {
@ -113,6 +116,10 @@ if ($output_separator ne ", ") {
$output_multiline = 0;
}
if ($output_rolestats) {
$output_roles = 1;
}
my $selections = $email + $scm + $status + $subsystem + $web;
if ($selections == 0) {
usage();
@ -326,9 +333,9 @@ if ($email) {
$email_address = format_email($1, $2);
if ($email_git_penguin_chiefs) {
push(@email_to, $email_address);
push(@email_to, [$email_address, 'chief penguin']);
} else {
@email_to = grep(!/${email_address}/, @email_to);
@email_to = grep($_->[0] !~ /${email_address}/, @email_to);
}
}
}
@ -342,7 +349,7 @@ if ($email || $email_list) {
if ($email_list) {
@to = (@to, @list_to);
}
output(uniq(@to));
output(merge_email(@to));
}
if ($scm) {
@ -405,6 +412,8 @@ MAINTAINER field selection options:
--l => include list(s) if any
--s => include subscriber only list(s) if any
--remove-duplicates => minimize duplicate email names/addresses
--roles => show roles (status:subsystem, git-signer, list, etc...)
--rolestats => show roles and statistics (commits/total_commits, %)
--scm => print SCM tree(s) if any
--status => print status if any
--subsystem => print subsystem name if any
@ -435,6 +444,13 @@ Notes:
Used with "--git-blame", does not iterate all files in directory
Using "--git-blame" is slow and may add old committers and authors
that are no longer active maintainers to the output.
Using "--roles" or "--rolestats" with git send-email --cc-cmd or any
other automated tools that expect only ["name"] <email address>
may not work because of additional output after <email address>.
Using "--rolestats" and "--git-blame" shows the #/total=% commits,
not the percentage of the entire file authored. # of commits is
not a good measure of amount of code authored. 1 major commit may
contain a thousand lines, 5 trivial commits may modify a single line.
EOT
}
@ -547,6 +563,71 @@ sub find_ending_index {
return $index;
}
sub get_maintainer_role {
my ($index) = @_;
my $i;
my $start = find_starting_index($index);
my $end = find_ending_index($index);
my $role;
my $subsystem = $typevalue[$start];
if (length($subsystem) > 20) {
$subsystem = substr($subsystem, 0, 17);
$subsystem =~ s/\s*$//;
$subsystem = $subsystem . "...";
}
for ($i = $start + 1; $i < $end; $i++) {
my $tv = $typevalue[$i];
if ($tv =~ m/^(\C):\s*(.*)/) {
my $ptype = $1;
my $pvalue = $2;
if ($ptype eq "S") {
$role = $pvalue;
}
}
}
$role = lc($role);
if ($role eq "supported") {
$role = "supporter";
} elsif ($role eq "maintained") {
$role = "maintainer";
} elsif ($role eq "odd fixes") {
$role = "odd fixer";
} elsif ($role eq "orphan") {
$role = "orphan minder";
} elsif ($role eq "obsolete") {
$role = "obsolete minder";
} elsif ($role eq "buried alive in reporters") {
$role = "chief penguin";
}
return $role . ":" . $subsystem;
}
sub get_list_role {
my ($index) = @_;
my $i;
my $start = find_starting_index($index);
my $end = find_ending_index($index);
my $subsystem = $typevalue[$start];
if (length($subsystem) > 20) {
$subsystem = substr($subsystem, 0, 17);
$subsystem =~ s/\s*$//;
$subsystem = $subsystem . "...";
}
if ($subsystem eq "THE REST") {
$subsystem = "";
}
return $subsystem;
}
sub add_categories {
my ($index) = @_;
@ -564,17 +645,22 @@ sub add_categories {
if ($ptype eq "L") {
my $list_address = $pvalue;
my $list_additional = "";
my $list_role = get_list_role($i);
if ($list_role ne "") {
$list_role = ":" . $list_role;
}
if ($list_address =~ m/([^\s]+)\s+(.*)$/) {
$list_address = $1;
$list_additional = $2;
}
if ($list_additional =~ m/subscribers-only/) {
if ($email_subscriber_list) {
push(@list_to, $list_address);
push(@list_to, [$list_address, "subscriber list${list_role}"]);
}
} else {
if ($email_list) {
push(@list_to, $list_address);
push(@list_to, [$list_address, "open list${list_role}"]);
}
}
} elsif ($ptype eq "M") {
@ -591,7 +677,8 @@ sub add_categories {
}
}
if ($email_maintainer) {
push_email_addresses($pvalue);
my $role = get_maintainer_role($i);
push_email_addresses($pvalue, $role);
}
} elsif ($ptype eq "T") {
push(@scm, $pvalue);
@ -618,7 +705,7 @@ sub email_inuse {
}
sub push_email_address {
my ($line) = @_;
my ($line, $role) = @_;
my ($name, $address) = parse_email($line);
@ -627,9 +714,9 @@ sub push_email_address {
}
if (!$email_remove_duplicates) {
push(@email_to, format_email($name, $address));
push(@email_to, [format_email($name, $address), $role]);
} elsif (!email_inuse($name, $address)) {
push(@email_to, format_email($name, $address));
push(@email_to, [format_email($name, $address), $role]);
$email_hash_name{$name}++;
$email_hash_address{$address}++;
}
@ -638,24 +725,52 @@ sub push_email_address {
}
sub push_email_addresses {
my ($address) = @_;
my ($address, $role) = @_;
my @address_list = ();
if (rfc822_valid($address)) {
push_email_address($address);
push_email_address($address, $role);
} elsif (@address_list = rfc822_validlist($address)) {
my $array_count = shift(@address_list);
while (my $entry = shift(@address_list)) {
push_email_address($entry);
push_email_address($entry, $role);
}
} else {
if (!push_email_address($address)) {
if (!push_email_address($address, $role)) {
warn("Invalid MAINTAINERS address: '" . $address . "'\n");
}
}
}
sub add_role {
my ($line, $role) = @_;
my ($name, $address) = parse_email($line);
my $email = format_email($name, $address);
foreach my $entry (@email_to) {
if ($email_remove_duplicates) {
my ($entry_name, $entry_address) = parse_email($entry->[0]);
if ($name eq $entry_name || $address eq $entry_address) {
if ($entry->[1] eq "") {
$entry->[1] = "$role";
} else {
$entry->[1] = "$entry->[1],$role";
}
}
} else {
if ($email eq $entry->[0]) {
if ($entry->[1] eq "") {
$entry->[1] = "$role";
} else {
$entry->[1] = "$entry->[1],$role";
}
}
}
}
}
sub which {
my ($bin) = @_;
@ -730,6 +845,10 @@ sub recent_git_signoffs {
s/.*:\s*(.+)\s*/$1/ for (@lines);
$total_sign_offs = @lines;
foreach my $line (@lines) {
my ($name, $address) = parse_email($line);
$line = format_email($name, $address);
}
if ($email_remove_duplicates) {
@lines = mailmap(@lines);
@ -743,11 +862,19 @@ sub recent_git_signoffs {
# sort -rn
foreach my $line (sort {$hash{$b} <=> $hash{$a}} keys %hash) {
my $sign_offs = $hash{$line};
my $role;
$count++;
last if ($sign_offs < $email_git_min_signatures ||
$count > $email_git_max_maintainers ||
$sign_offs * 100 / $total_sign_offs < $email_git_min_percent);
push_email_address($line);
push_email_address($line, '');
$role = "git-signer";
if ($output_rolestats) {
my $percent = sprintf("%.0f", $sign_offs * 100 / $total_sign_offs);
$role = "$role:$sign_offs/$total_sign_offs=$percent%";
}
add_role($line, $role);
}
}
@ -824,11 +951,23 @@ sub git_assign_blame {
$count = 0;
foreach my $line (sort {$hash{$b} <=> $hash{$a}} keys %hash) {
my $sign_offs = $hash{$line};
my $role;
$count++;
last if ($sign_offs < $email_git_min_signatures ||
$count > $email_git_max_maintainers ||
$sign_offs * 100 / $total_sign_offs < $email_git_min_percent);
push_email_address($line);
push_email_address($line, '');
if ($from_filename) {
$role = "commits";
} else {
$role = "modified commits";
}
if ($output_rolestats) {
my $percent = sprintf("%.0f", $sign_offs * 100 / $total_sign_offs);
$role = "$role:$sign_offs/$total_sign_offs=$percent%";
}
add_role($line, $role);
}
}
@ -849,6 +988,25 @@ sub sort_and_uniq {
return @parms;
}
sub merge_email {
my @lines;
my %saw;
for (@_) {
my ($address, $role) = @$_;
if (!$saw{$address}) {
if ($output_roles) {
push @lines, "$address ($role)";
} else {
push @lines, $address;
}
$saw{$address} = 1;
}
}
return @lines;
}
sub output {
my @parms = @_;