@@ -7,8 +7,11 @@ use POSIX qw(strftime);
use Encode qw(decode);
use Data::Dumper;
use Getopt::Long;
+use Digest::SHA;
+use utf8;
-binmode(STDOUT, ":utf8");
+use DateTime;
+use DateTime::Format::ISO8601;
sub trim { my $s = shift; $s =~ s/^\s+|\s+$//g; return $s };
@@ -18,6 +21,7 @@ sub print_help {
print " --names Print only the names\n";
print " --emails Print only the email addresses\n";
print " --full Print both names and email addresses (default)\n";
+ print " --date YY-MM-DD Generate the GA for a given date, defaults to current system time\n";
print " -h, --help Show this help message\n";
exit;
}
@@ -25,6 +29,7 @@ sub print_help {
my $print_full = 1;
my $print_names = 0;
my $print_emails = 0;
+my $date = DateTime->now()->iso8601;
my $help = 0;
GetOptions(
@@ -32,6 +37,7 @@ GetOptions(
"names" => \$print_names,
"emails" => \$print_emails,
"help" => \$help,
+ "date=s" => \$date,
"h" => \$help,
);
@@ -41,7 +47,40 @@ if ($print_names || $print_emails) {
$print_full = 0;
}
-my @shortlog = split /\n/, decode('UTF-8', `git log --pretty=format:"%aN <%aE>" --since="last 36 months" | sort | uniq -c | sort -r`, Encode::FB_CROAK);
+sub get_date_range {
+ my ($now) = @_;
+
+ # date on which the GA update rule was established, and the voter list
+ # was extraordinarily updated; cf.:
+ # * http://lists.ffmpeg.org/pipermail/ffmpeg-devel/2023-October/316054.html
+ # Message-Id <169818211998.11195.16532637803201641594@lain.khirnov.net>
+ # * http://lists.ffmpeg.org/pipermail/ffmpeg-devel/2023-November/316618.html
+ # Message-Id <5efcab06-8510-4226-bf18-68820c7c69ba@betaapp.fastmail.com>
+ my $date_ga_rule = DateTime->new(year => 2023, month => 11, day => 06);
+ # date when the regular update rule is first applied
+ my $date_first_regular = DateTime->new(year => 2024);
+
+ if ($now->is_between($date_ga_rule, $date_first_regular)) {
+ return ($date_ga_rule->clone()->set_year($date_ga_rule->year - 3), $date_ga_rule);
+ }
+
+ if ($now < $date_ga_rule) {
+ print STDERR "GA before $date_ga_rule is not well-defined, be very careful with the output\n";
+ }
+
+ my $cur_year_jan = $now->clone()->truncate(to => "year");
+ my $cur_year_jul = $cur_year_jan->clone()->set_month(7);
+ my $date_until = $now > $cur_year_jul ? $cur_year_jul : $cur_year_jan;
+ my $date_since = $date_until->clone()->set_year($date_until->year - 3);
+
+ return ($date_since, $date_until);
+}
+
+my ($since, $until) = get_date_range(DateTime::Format::ISO8601->parse_datetime($date));
+
+my @shortlog = split /\n/, decode('UTF-8',
+ `git log --pretty=format:"%aN <%aE>" --since="$since" --until="$until" | sort | uniq -c | sort -r`,
+ Encode::FB_CROAK);
my %assembly = ();
foreach my $line (@shortlog) {
@@ -53,7 +92,10 @@ foreach my $line (@shortlog) {
$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="$email" --since="last 36 months"`, Encode::FB_CROAK);
+ my @commits = split /(^|\n)commit [a-z0-9]{40}(\n|$)/,
+ decode('UTF-8',
+ `git log --name-only --use-mailmap --author="$email" --since="$since" --until="$until"`,
+ Encode::FB_CROAK);
foreach my $commit (@commits) {
$true++; # if ($commit =~ /\n[\w\/]+\.(c|h|S|asm|texi)/);
}
@@ -66,14 +108,22 @@ foreach my $line (@shortlog) {
$assembly{$name} = $email;
}
-printf("# %s %s", strftime("%Y-%m-%d", localtime), decode('UTF-8', `git rev-parse HEAD`, Encode::FB_CROAK));
+# generate the output string
+my @out_lines;
foreach my $name (sort keys %assembly) {
my $email = $assembly{$name};
+ my $val;
if ($print_full) {
- printf("%s <%s>\n", $name, $email);
+ $val = sprintf("%s <%s>", $name, $email);
} elsif ($print_names) {
- printf("%s\n", $name);
+ $val = $name;
} elsif ($print_emails) {
- printf("%s\n", $email);
+ $val = $email;
}
+ push(@out_lines, ($val));
}
+my $out_str = join("\n", @out_lines) . "\n";
+utf8::encode($out_str);
+
+printf("# GA for $since/$until; %d people; SHA256:%s\n%s",
+ scalar @out_lines, Digest::SHA::sha256_hex($out_str), $out_str);