tools: add general_assembly.pl

This script generates the current general assembly voters according to
the criteria of '20 commits in the last 36 months'.

Signed-off-by: J. Dekker <jdek@itanimul.li>
Signed-off-by: Anton Khirnov <anton@khirnov.net>

doc/dev_community/community.md

@@ -25,6 +25,9 @@ proposal by a member of the General Assembly.
 They are part of the GA for two years, after which they need a confirmation by
 the GA.
 
+A script to generate the current members of the general assembly (minus members
+voted in) can be found in `tools/general_assembly.pl`.
+
 ## Voting
 
 Voting is done using a ranked voting system, currently running on https://vote.ffmpeg.org/ .

tools/general_assembly.pl

@@ -0,0 +1,40 @@
+#!/usr/bin/env perl
+
+use warnings;
+use strict;
+
+use POSIX qw(strftime);
+use Encode qw(decode);
+use Data::Dumper;
+
+sub trim { my $s = shift; $s =~ s/^\s+|\s+$//g; return $s };
+
+my @shortlog = split /\n/, decode('UTF-8', `git log --pretty=format:"%aN <%aE>" --since="last 36 months" | sort | uniq -c | sort -r`, Encode::FB_CROAK);
+my %assembly = ();
+
+foreach my $line (@shortlog) {
+    my ($count, $name, $email) = $line =~ m/^ *(\d+) *(.*?) <(.*?)>/;
+    if ($count < 20) {
+        next;
+    }
+
+    $name = trim $name;
+    if ($count < 50) {
+        my $true = 0;
+        my @commits = split /(^|\n)commit [a-z0-9]{40}(\n|$)/, decode('UTF-8', `git log --name-only --use-mailmap --author="$email" --since="last 36 months"`, Encode::FB_CROAK);
+        foreach my $commit (@commits) {
+                $true++; # if ($commit =~ /\n[\w\/]+\.(c|h|S|asm|texi)/);
+        }
+
+        if ($true < 20) {
+            next;
+        }
+    }
+
+    $assembly{$name} = $email;
+}
+
+printf("# %s %s", strftime("%Y-%m-%d", localtime), decode('UTF-8', `git rev-parse HEAD`, Encode::FB_CROAK));
+foreach my $email (sort values %assembly) {
+    printf("%s\n", $email);
+}