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SubjectRe: [PATCH] get_maintainer: Add a couple more --self-test options
Hi Joe,
This is good! I had something similar cooking - specifically for SCM validation.

My SCM attempt caught a few more issues:
- check git branch if specified
- check validitiy of "T:" entry, otherwise warn of malformed entry.

Example malformed (current next has two instances):

9740 T: git://git.infradead.org/nvme.git

Should be:
9740 T: git git://git.infradead.org/nvme.git


Also - I believe you intended on warning on all bad SCM entries, not just newly discovered ones?
Your change correctly finds a previously $isbad, however the print is enclosed in an else preventing output.

I was going to inline these, but in my haste to understand in incorporate changes I sanitized whitespace
(BTW - I see both tabs and spaces, which is preferred in this file?)

The below git branch special-casing is for these:
567:T: git git://people.freedesktop.org/~airlied/linux (part of drm maint)
3671:T: git git://git.linaro.org/people/vireshk/linux.git (For ARM Updates)

See bottom for my suggestions.

--Tom



On Mon, Nov 06, 2017 at 09:27:25AM -0800, Joe Perches wrote:
> Check for duplicate section headers and link reachability.
>
> Miscellanea:
>
> o Add --self-test=<foo> options (sections, patterns and scm for now)
> where the default without options is all tests
> o Rename check_maintainers_patterns to self_test
> o Rename self_test_pattern_info to self_test_info
>
> Signed-off-by: Joe Perches <joe@perches.com>
> cc: Tom Saeger <tom.saeger@oracle.com>
> ---
> scripts/get_maintainer.pl | 114 +++++++++++++++++++++++++++++++++++++++-------
> 1 file changed, 97 insertions(+), 17 deletions(-)
>
> diff --git a/scripts/get_maintainer.pl b/scripts/get_maintainer.pl
> index c68a5d1ba709..748bff0790a8 100755
> --- a/scripts/get_maintainer.pl
> +++ b/scripts/get_maintainer.pl
> @@ -57,7 +57,7 @@ my $sections = 0;
> my $file_emails = 0;
> my $from_filename = 0;
> my $pattern_depth = 0;
> -my $self_test = 0;
> +my $self_test = undef;
> my $version = 0;
> my $help = 0;
> my $find_maintainer_files = 0;
> @@ -221,7 +221,7 @@ if (-f $ignore_file) {
>
> if ($#ARGV > 0) {
> foreach (@ARGV) {
> - if ($_ eq "-self-test" || $_ eq "--self-test") {
> + if ($_ =~ /^-{1,2}self-test(?:=|$)/) {
> die "$P: using --self-test does not allow any other option or argument\n";
> }
> }
> @@ -263,7 +263,7 @@ if (!GetOptions(
> 'fe|file-emails!' => \$file_emails,
> 'f|file' => \$from_filename,
> 'find-maintainer-files' => \$find_maintainer_files,
> - 'self-test' => \$self_test,
> + 'self-test:s' => \$self_test,
> 'v|version' => \$version,
> 'h|help|usage' => \$help,
> )) {
> @@ -280,9 +280,9 @@ if ($version != 0) {
> exit 0;
> }
>
> -if ($self_test) {
> +if (defined $self_test) {
> read_all_maintainer_files();
> - check_maintainers_patterns();
> + self_test();
> exit 0;
> }
>
> @@ -329,7 +329,7 @@ if (!top_of_kernel_tree($lk_path)) {
> my @typevalue = ();
> my %keyword_hash;
> my @mfiles = ();
> -my @self_test_pattern_info = ();
> +my @self_test_info = ();
>
> sub read_maintainer_file {
> my ($file) = @_;
> @@ -339,6 +339,7 @@ sub read_maintainer_file {
> my $i = 1;
> while (<$maint>) {
> my $line = $_;
> + chomp $line;
>
> if ($line =~ m/^([A-Z]):\s*(.*)/) {
> my $type = $1;
> @@ -353,17 +354,16 @@ sub read_maintainer_file {
> if ((-d $value)) {
> $value =~ s@([^/])$@$1/@;
> }
> - if ($self_test) {
> - push(@self_test_pattern_info, {file=>$file, line=>$line, linenr=>$i, pat=>$value});
> - }
> } elsif ($type eq "K") {
> $keyword_hash{@typevalue} = $value;
> }
> push(@typevalue, "$type:$value");
> } elsif (!(/^\s*$/ || /^\s*\#/)) {
> - $line =~ s/\n$//g;
> push(@typevalue, $line);
> }
> + if (defined $self_test) {
> + push(@self_test_info, {file=>$file, linenr=>$i, line=>$line});
> + }
> $i++;
> }
> close($maint);
> @@ -614,17 +614,97 @@ if ($web) {
>
> exit($exit);
>
> -sub check_maintainers_patterns {
> +sub self_test {
> my @lsfiles = ();
> + my @good_links = ();
> + my @bad_links = ();
> + my @section_headers = ();
>
> @lsfiles = vcs_list_files($lk_path);
>
> - for my $x (@self_test_pattern_info) {
> - if (!grep(m@^$x->{pat}@, @lsfiles)) {
> - my $line = $x->{line};
> - chomp($line);
> - print("$x->{file}:$x->{linenr}: warning: no matches $line\n");
> - }
> + for my $x (@self_test_info) {
> +
> + ## Section header duplication
> + if (($self_test eq "" || $self_test =~ /\bsections\b/) &&
> + $x->{line} =~ /^\S[^:]/) {
> + if (grep(m@^\Q$x->{line}\E@, @section_headers)) {
> + print("$x->{file}:$x->{linenr}: warning: duplicate section header\t$x->{line}\n");
> + } else {
> + push(@section_headers, $x->{line});
> + }
> + }
> + next if ($x->{line} !~ /^([A-Z]):\s*(.*)/);
> +
> + my $type = $1;
> + my $value = $2;
> +
> + ## Filename pattern matching
> + if (($type eq "F" || $type eq "X") &&
> + ($self_test eq "" || $self_test =~ /\bpatterns\b/)) {
> + $value =~ s@\.@\\\.@g; ##Convert . to \.
> + $value =~ s/\*/\.\*/g; ##Convert * to .*
> + $value =~ s/\?/\./g; ##Convert ? to .
> + ##if pattern is a directory and it lacks a trailing slash, add one
> + if ((-d $value)) {
> + $value =~ s@([^/])$@$1/@;
> + }
> + if (!grep(m@^$value@, @lsfiles)) {
> + print("$x->{file}:$x->{linenr}: warning: no file matches\t$x->{line}\n");
> + }
> +
> + ## Link reachability
> + } elsif (($type eq "W" ||
> + $type eq "B" && $value =~ /^https?:/) &&
> + ($self_test eq "" || $self_test =~ /\blinks\b/)) {
> + next if (grep(m@^\Q$value\E$@, @good_links));
> + my $isbad = 0;
> + if (grep(m@^\Q$value\E$@, @bad_links)) {
> + $isbad = 1;
> + } else {
> + my $output = `wget --spider -q --no-check-certificate --timeout 10 --tries 1 $value`;
> + if ($? == 0) {
> + push(@good_links, $value);
> + } else {
> + push(@bad_links, $value);
> + $isbad = 1;
> + }
> + }
> + if ($isbad) {
> + print("$x->{file}:$x->{linenr}: warning: possible bad link\t$x->{line}\n");
> + }
> +
> + ## SCM reachability
> + } elsif (($type eq "T" && $value =~ /^(?:git|quilt|hg)\s+\S/) &&
> + ($self_test eq "" || $self_test =~ /\bscm\b/)) {
> + next if (grep(m@^\Q$value\E$@, @good_links));
> + my $isbad = 0;
> + if (grep(m@^\Q$value\E$@, @bad_links)) {
> + $isbad = 1;
> + } else {
> + if ($value =~ /^git\s+(\S+)/) {
> + my $url = $1;
> + my $output = `git ls-remote --exit-code -h "$url" > /dev/null 2>&1`;
> + if ($? == 0) {
> + push(@good_links, $value);
> + } else {
> + push(@bad_links, $value);
> + $isbad = 1;
> + }
> + } elsif ($value =~ /^(?:quilt|hg)\s+(https?:\S+)/) {
> + my $url = $1;
> + my $output = `wget --spider -q --no-check-certificate --timeout 10 --tries 1 $url`;
> + if ($? == 0) {
> + push(@good_links, $value);
> + } else {
> + push(@bad_links, $value);
> + $isbad = 1;
> + }
> + }
> + if ($isbad) {
> + print("$x->{file}:$x->{linenr}: warning: possible bad link\t$x->{line}\n");
> + }
> + }
> }
> }
>
> --
> 2.15.0
>

Changed SCM portion to this, which picks up a few more warnings...
Checks git branch on remote if specified.
Perhaps a $ismalformed category or some other way to deal with malformed entries? Or just
move up to first check of SCM?

## SCM reachability
} elsif (($type eq "T") && ($self_test eq "" || $self_test =~ /\bscm\b/)) {
next if (grep(m@^\Q$value\E$@, @good_links));
my $isbad = 0;
if (grep(m@^\Q$value\E$@, @bad_links)) {
$isbad = 1;
} else {
if ($value !~ /^(?:git|quilt|hg)\s+\S/) {
print("$x->{file}:$x->{linenr}: warning: malformed entry\t$x->{line}\n");
} elsif ($value =~ /^git\s+(\S+)(\s+([^\(]+\S+))?/) {
my $url = $1;
my $branch = "";
$branch = $3 if $3;
my $output = `git ls-remote --exit-code -h "$url" $branch> /dev/null 2>&1`;
if ($? == 0) {
push(@good_links, $value);
} else {
push(@bad_links, $value);
$isbad = 1;
}
} elsif ($value =~ /^(?:quilt|hg)\s+(https?:\S+)/) {
my $url = $1;
my $output = `wget --spider -q --no-check-certificate --timeout 10 --tries 1 $url`;
if ($? == 0) {
push(@good_links, $value);
} else {
push(@bad_links, $value);
$isbad = 1;
}
}
}
if ($isbad) {
print("$x->{file}:$x->{linenr}: warning: possible bad link\t$x->{line}\n");
}
}
}
}

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