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#!/usr/bin/env perl
# FIXME?
use lib (split(/:/, $ENV{GITPERLLIB} || '/opt/local/share/perl5'));
use strict;
use warnings;
use Getopt::Long qw(:config pass_through);
use Git;
my $repo = Git->repository();
my $commentStart = $repo->config('comment.start') // "/*";
my $commentLead = $repo->config('comment.lead') // " *";
my $commentEnd = $repo->config('comment.end') // " */";
my $threshold = $repo->config('comment.groupThreshold') // 1;
GetOptions(
'comment-start=s' => \$commentStart,
'comment-lead=s' => \$commentLead,
'comment-end:s' => \$commentEnd,
'group-threshold=i' => \$threshold,
) or die;
sub printComment {
my ($indent, $abbrev, $summary, @body) = @_;
print "$indent$commentStart $abbrev $summary\n";
print "$indent$commentLead\n";
foreach (@body) {
print "$indent$commentLead";
print " $_" if $_;
print "\n";
}
print "$indent$commentEnd\n" if $commentEnd;
}
my ($pipe, $ctx) = $repo->command_output_pipe('blame', '--porcelain', @ARGV);
my ($commit, $group, $printed, %abbrev, %summary, %body);
while (<$pipe>) {
chomp;
if (/^([[:xdigit:]]+) \d+ \d+ (\d+)/) {
($commit, $group, $printed) = ($1, $2, 0);
next if $abbrev{$commit};
my @body = $repo->command(
'show', '--no-patch', '--pretty=format:%h%n%b', $commit
);
$abbrev{$commit} = shift @body;
$body{$commit} = \@body;
} elsif (/^summary (.*)/) {
$summary{$commit} = $1;
} elsif (/^\t(\s*)(.*)/) {
my ($indent, $line) = ($1, $2);
if (@{$body{$commit}} && $group > $threshold && !$printed) {
printComment(
$indent, $abbrev{$commit}, $summary{$commit},
@{$body{$commit}}
);
$printed = 1;
}
print "$indent$line\n";
}
}
$repo->command_close_pipe($pipe, $ctx);
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