[PATCH] get_maintainer.pl: update from Linux kernel v5.13-rc6

Trevor Woerner twoerner at gmail.com
Thu Jul 8 14:22:35 CEST 2021


ping?

Tom, have you had a chance to try out this update?

On Tue, Jun 15, 2021 at 3:30 AM Trevor Woerner <twoerner at gmail.com> wrote:

> Update U-Boot's version of scripts/get_maintainer.pl to sync it up with
> the
> latest changes to the Linux kernel's version of the same script.
>
> The last sync was with Linux kernel version v4.16. The commits to the
> kernel's
> get_maintainer.pl since then (starting with the most recent) are:
>
>         6343f6b71f83 get_maintainer: exclude MAINTAINERS file(s) from
> --git-fallback
>         cdfe2d220476 get_maintainer: add test for file in VCS
>         e33c9fe8b80c get_maintainer: fix unexpected behavior for
> path/to//file (double slashes)
>         0c78c0137621 get_maintainer: add email addresses from .yaml files
>         0ef82fcefb99 scripts/get_maintainer.pl: deprioritize old Fixes:
> addresses
>         ef0c08192ac0 get_maintainer: remove uses of P: for maintainer name
>         2f5bd343694e scripts/get_maintainer.pl: add signatures from
> Fixes: <badcommit> lines in commit message
>         49662503e8e4 get_maintainer: add ability to skip moderated mailing
> lists
>         0fbd75fd7fee get_maintainer: allow option --mpath <directory> to
> read all files in <directory>
>         5f0baf95b1ed get_maintainer.pl: add -mpath=<path or file> for
> MAINTAINERS file location
>         31bb82c9caa9 get_maintainer: allow usage outside of kernel tree
>         0455c74788fd get_maintainer: improve patch recognition
>         882ea1d64eb3 scripts: use SPDX tag in get_maintainer and checkpatch
>
> Signed-off-by: Trevor Woerner <twoerner at gmail.com>
> ---
>  scripts/get_maintainer.pl | 204 +++++++++++++++++++++++++-------------
>  1 file changed, 134 insertions(+), 70 deletions(-)
>
> diff --git a/scripts/get_maintainer.pl b/scripts/get_maintainer.pl
> index e3b41616c9..81116e215e 100755
> --- a/scripts/get_maintainer.pl
> +++ b/scripts/get_maintainer.pl
> @@ -1,4 +1,6 @@
>  #!/usr/bin/env perl
> +# SPDX-License-Identifier: GPL-2.0
> +#
>  # (c) 2007, Joe Perches <joe at perches.com>
>  #           created from checkpatch.pl
>  #
> @@ -7,8 +9,6 @@
>  #
>  # usage: perl scripts/get_maintainer.pl [OPTIONS] <patch>
>  #        perl scripts/get_maintainer.pl [OPTIONS] -f <file>
> -#
> -# Licensed under the terms of the GNU GPL License version 2
>
>  use warnings;
>  use strict;
> @@ -19,6 +19,7 @@ my $V = '0.26';
>  use Getopt::Long qw(:config no_auto_abbrev);
>  use Cwd;
>  use File::Find;
> +use File::Spec::Functions;
>
>  my $cur_path = fastgetcwd() . '/';
>  my $lk_path = "./";
> @@ -26,7 +27,9 @@ my $email = 1;
>  my $email_usename = 1;
>  my $email_maintainer = 1;
>  my $email_reviewer = 1;
> +my $email_fixes = 1;
>  my $email_list = 1;
> +my $email_moderated_list = 1;
>  my $email_subscriber_list = 0;
>  my $email_git_penguin_chiefs = 0;
>  my $email_git = 0;
> @@ -48,24 +51,31 @@ my $output_roles = 0;
>  my $output_rolestats = 1;
>  my $output_section_maxlen = 50;
>  my $scm = 0;
> +my $tree = 1;
>  my $web = 0;
>  my $subsystem = 0;
>  my $status = 0;
>  my $letters = "";
>  my $keywords = 1;
>  my $sections = 0;
> -my $file_emails = 0;
> +my $email_file_emails = 0;
>  my $from_filename = 0;
>  my $pattern_depth = 0;
>  my $self_test = undef;
>  my $version = 0;
>  my $help = 0;
> -my $find_maintainer_files = 1;
> -
> +my $find_maintainer_files = 0;
> +my $maintainer_path;
>  my $vcs_used = 0;
>
>  my $exit = 0;
>
> +my @files = ();
> +my @fixes = ();                        # If a patch description includes
> Fixes: lines
> +my @range = ();
> +my @keyword_tvi = ();
> +my @file_emails = ();
> +
>  my %commit_author_hash;
>  my %commit_signer_hash;
>
> @@ -245,6 +255,8 @@ if (!GetOptions(
>                 'r!' => \$email_reviewer,
>                 'n!' => \$email_usename,
>                 'l!' => \$email_list,
> +               'fixes!' => \$email_fixes,
> +               'moderated!' => \$email_moderated_list,
>                 's!' => \$email_subscriber_list,
>                 'multiline!' => \$output_multiline,
>                 'roles!' => \$output_roles,
> @@ -253,14 +265,16 @@ if (!GetOptions(
>                 'subsystem!' => \$subsystem,
>                 'status!' => \$status,
>                 'scm!' => \$scm,
> +               'tree!' => \$tree,
>                 'web!' => \$web,
>                 'letters=s' => \$letters,
>                 'pattern-depth=i' => \$pattern_depth,
>                 'k|keywords!' => \$keywords,
>                 'sections!' => \$sections,
> -               'fe|file-emails!' => \$file_emails,
> +               'fe|file-emails!' => \$email_file_emails,
>                 'f|file' => \$from_filename,
>                 'find-maintainer-files' => \$find_maintainer_files,
> +               'mpath|maintainer-path=s' => \$maintainer_path,
>                 'self-test:s' => \$self_test,
>                 'v|version' => \$version,
>                 'h|help|usage' => \$help,
> @@ -317,7 +331,7 @@ if ($email &&
>      die "$P: Please select at least 1 email option\n";
>  }
>
> -if (!top_of_kernel_tree($lk_path)) {
> +if ($tree && !top_of_kernel_tree($lk_path)) {
>      die "$P: The current directory does not appear to be "
>         . "a U-Boot source tree.\n";
>  }
> @@ -382,26 +396,52 @@ sub find_ignore_git {
>  read_all_maintainer_files();
>
>  sub read_all_maintainer_files {
> -    if (-d "${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@/$@);
> +       if ($find_maintainer_files) {
> +           find( { wanted => \&find_is_maintainer_file,
> +                   preprocess => \&find_ignore_git,
> +                   no_chdir => 1,
> +               }, "$path");
> +       } else {
> +           opendir(DIR, "$path") or die $!;
> +           my @files = readdir(DIR);
> +           closedir(DIR);
> +           foreach my $file (@files) {
> +               push(@mfiles, "$path$file") if ($file !~ /^\./);
> +           }
> +       }
> +    } 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("$file");
> +    }
> +}
> +
> +sub maintainers_in_file {
> +    my ($file) = @_;
> +
> +    return if ($file =~ m@\bMAINTAINERS$@);
> +
> +    if (-f $file && ($email_file_emails || $file =~ /\.yaml$/)) {
> +       open(my $f, '<', $file)
> +           or die "$P: Can't open $file: $!\n";
> +       my $text = do { local($/) ; <$f> };
> +       close($f);
> +
> +       my @poss_addr = $text =~ m$[A-Za-zÀ-ÿ\"\'
> \,\.\+-]*\s*[\,]*\s*[\(\<\{]{0,1}[A-Za-z0-9_\.\+-]+\@[A-Za-z0-9\.-]+\.[A-Za-z0-9]+[\)\>\}]{0,1}$g;
> +       push(@file_emails, clean_file_emails(@poss_addr));
>      }
>  }
>
> @@ -485,17 +525,13 @@ sub read_mailmap {
>
>  ## use the filenames on the command line or find the filenames in the
> patchfiles
>
> -my @files = ();
> -my @range = ();
> -my @keyword_tvi = ();
> -my @file_emails = ();
> -
>  if (!@ARGV) {
>      push(@ARGV, "&STDIN");
>  }
>
>  foreach my $file (@ARGV) {
>      if ($file ne "&STDIN") {
> +       $file = canonpath($file);
>         ##if $file is a directory and it lacks a trailing slash, add one
>         if ((-d $file)) {
>             $file =~ s@([^/])$@$1/@;
> @@ -503,11 +539,14 @@ foreach my $file (@ARGV) {
>             die "$P: file '${file}' not found\n";
>         }
>      }
> +    if ($from_filename && (vcs_exists() && !vcs_file_exists($file))) {
> +       warn "$P: file '$file' not found in version control $!\n";
> +    }
>      if ($from_filename || ($file ne "&STDIN" && vcs_file_exists($file))) {
>         $file =~ s/^\Q${cur_path}\E//;  #strip any absolute path
>         $file =~ s/^\Q${lk_path}\E//;   #or the path to the lk tree
>         push(@files, $file);
> -       if ($file ne "MAINTAINERS" && -f $file && ($keywords ||
> $file_emails)) {
> +       if ($file ne "MAINTAINERS" && -f $file && $keywords) {
>             open(my $f, '<', $file)
>                 or die "$P: Can't open $file: $!\n";
>             my $text = do { local($/) ; <$f> };
> @@ -519,10 +558,6 @@ foreach my $file (@ARGV) {
>                     }
>                 }
>             }
> -           if ($file_emails) {
> -               my @poss_addr = $text =~ m$[A-Za-zÀ-ÿ\"\'
> \,\.\+-]*\s*[\,]*\s*[\(\<\{]{0,1}[A-Za-z0-9_\.\+-]+\@[A-Za-z0-9\.-]+\.[A-Za-z0-9]+[\)\>\}]{0,1}$g;
> -               push(@file_emails, clean_file_emails(@poss_addr));
> -           }
>         }
>      } else {
>         my $file_cnt = @files;
> @@ -540,7 +575,20 @@ foreach my $file (@ARGV) {
>
>         while (<$patch>) {
>             my $patch_line = $_;
> -           if (m/^\+\+\+\s+(\S+)/ or m/^---\s+(\S+)/) {
> +           if (m/^ mode change [0-7]+ => [0-7]+ (\S+)\s*$/) {
> +               my $filename = $1;
> +               push(@files, $filename);
> +           } elsif (m/^rename (?:from|to) (\S+)\s*$/) {
> +               my $filename = $1;
> +               push(@files, $filename);
> +           } elsif (m/^diff --git a\/(\S+) b\/(\S+)\s*$/) {
> +               my $filename1 = $1;
> +               my $filename2 = $2;
> +               push(@files, $filename1);
> +               push(@files, $filename2);
> +           } elsif (m/^Fixes:\s+([0-9a-fA-F]{6,40})/) {
> +               push(@fixes, $1) if ($email_fixes);
> +           } elsif (m/^\+\+\+\s+(\S+)/ or m/^---\s+(\S+)/) {
>                 my $filename = $1;
>                 $filename =~ s@^[^/]*/@@;
>                 $filename =~ s@\n@@;
> @@ -570,6 +618,7 @@ foreach my $file (@ARGV) {
>  }
>
>  @file_emails = uniq(@file_emails);
> + at fixes = uniq(@fixes);
>
>  my %email_hash_name;
>  my %email_hash_address;
> @@ -584,7 +633,6 @@ my %deduplicate_name_hash = ();
>  my %deduplicate_address_hash = ();
>
>  my @maintainers = get_maintainers();
> -
>  if (@maintainers) {
>      @maintainers = merge_email(@maintainers);
>      output(@maintainers);
> @@ -890,6 +938,8 @@ sub get_maintainers {
>                 print("\n");
>             }
>         }
> +
> +       maintainers_in_file($file);
>      }
>
>      if ($keywords) {
> @@ -905,8 +955,10 @@ sub get_maintainers {
>
>      foreach my $file (@files) {
>         if ($email &&
> -           ($email_git || ($email_git_fallback &&
> -                           !$exact_pattern_match_hash{$file}))) {
> +           ($email_git ||
> +            ($email_git_fallback &&
> +             $file !~ /MAINTAINERS$/ &&
> +             !$exact_pattern_match_hash{$file}))) {
>             vcs_file_signoffs($file);
>         }
>         if ($email && $email_git_blame) {
> @@ -937,6 +989,10 @@ sub get_maintainers {
>         }
>      }
>
> +    foreach my $fix (@fixes) {
> +       vcs_add_commit_signers($fix, "blamed_fixes");
> +    }
> +
>      my @to = ();
>      if ($email || $email_list) {
>         if ($email) {
> @@ -997,11 +1053,13 @@ MAINTAINER field selection options:
>      --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
> +    --moderated => include moderated lists(s) if any (default: true)
> +    --s => include subscriber only list(s) if any (default: false)
>      --remove-duplicates => minimize duplicate email names/addresses
>      --roles => show roles (status:subsystem, git-signer, list, etc...)
>      --rolestats => show roles and statistics (commits/total_commits, %)
>      --file-emails => add email addresses found in -f file (default: 0
> (off))
> +    --fixes => for patches, add signatures of commits with 'Fixes:
> <commit>' (default: 1 (on))
>    --scm => print SCM tree(s) if any
>    --status => print status if any
>    --subsystem => print subsystem name if any
> @@ -1018,13 +1076,14 @@ Other options:
>    --sections => print all of the subsystem sections with pattern matches
>    --letters => print all matching 'letter' types from all matching
> sections
>    --mailmap => use .mailmap file (default: $email_use_mailmap)
> +  --no-tree => run without a kernel tree
>    --self-test => show potential issues with MAINTAINERS file content
>    --version => show version
>    --help => show this help information
>
>  Default options:
> -  [--email --nogit --git-fallback --m --r --n --l --multiline
> --pattern-depth=0
> -   --remove-duplicates --rolestats]
> +  [--email --tree --nogit --git-fallback --m --r --n --l --multiline
> +   --pattern-depth=0 --remove-duplicates --rolestats]
>
>  Notes:
>    Using "-f directory" may give unexpected results:
> @@ -1288,11 +1347,14 @@ sub add_categories {
>                 } else {
>                     if ($email_list) {
>                         if (!$hash_list_to{lc($list_address)}) {
> -                           $hash_list_to{lc($list_address)} = 1;
>                             if ($list_additional =~ m/moderated/) {
> -                               push(@list_to, [$list_address,
> -                                               "moderated
> list${list_role}"]);
> +                               if ($email_moderated_list) {
> +                                   $hash_list_to{lc($list_address)} = 1;
> +                                   push(@list_to, [$list_address,
> +                                                   "moderated
> list${list_role}"]);
> +                               }
>                             } else {
> +                               $hash_list_to{lc($list_address)} = 1;
>                                 push(@list_to, [$list_address,
>                                                 "open list${list_role}"]);
>                             }
> @@ -1300,35 +1362,11 @@ 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 ($name eq "") {
> -                   if ($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_reviewer) {
>                     my $subsystem = get_subsystem_name($i);
>                     push_email_addresses($pvalue, "reviewer:$subsystem");
> @@ -1699,6 +1737,32 @@ sub vcs_is_hg {
>      return $vcs_used == 2;
>  }
>
> +sub vcs_add_commit_signers {
> +    return if (!vcs_exists());
> +
> +    my ($commit, $desc) = @_;
> +    my $commit_count = 0;
> +    my $commit_authors_ref;
> +    my $commit_signers_ref;
> +    my $stats_ref;
> +    my @commit_authors = ();
> +    my @commit_signers = ();
> +    my $cmd;
> +
> +    $cmd = $VCS_cmds{"find_commit_signers_cmd"};
> +    $cmd =~ s/(\$\w+)/$1/eeg;  #substitute variables in $cmd
> +
> +    ($commit_count, $commit_signers_ref, $commit_authors_ref, $stats_ref)
> = vcs_find_signers($cmd, "");
> +    @commit_authors = @{$commit_authors_ref} if defined
> $commit_authors_ref;
> +    @commit_signers = @{$commit_signers_ref} if defined
> $commit_signers_ref;
> +
> +    foreach my $signer (@commit_signers) {
> +       $signer = deduplicate_email($signer);
> +    }
> +
> +    vcs_assign($desc, 1, @commit_signers);
> +}
> +
>  sub interactive_get_maintainers {
>      my ($list_ref) = @_;
>      my @list = @$list_ref;
> @@ -1792,7 +1856,7 @@ tm toggle maintainers
>  tg toggle git entries
>  tl toggle open list entries
>  ts toggle subscriber list entries
> -f  emails in file       [$file_emails]
> +f  emails in file       [$email_file_emails]
>  k  keywords in file     [$keywords]
>  r  remove duplicates    [$email_remove_duplicates]
>  p# pattern match depth  [$pattern_depth]
> @@ -1917,7 +1981,7 @@ EOT
>                 bool_invert(\$email_git_all_signature_types);
>                 $rerun = 1;
>             } elsif ($sel eq "f") {
> -               bool_invert(\$file_emails);
> +               bool_invert(\$email_file_emails);
>                 $rerun = 1;
>             } elsif ($sel eq "r") {
>                 bool_invert(\$email_remove_duplicates);
> --
> 2.30.0.rc0
>
>


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