- my @cmd = qw(diff);
- my $opt = $lei->{opt};
- push @cmd, '--'.($opt->{color} && !$opt->{'no-color'} ? '' : 'no-').
- 'color';
- for my $o (@PublicInbox::LEI::diff_opt) {
- my $c = '';
- # remove single char short option
- $o =~ s/\|([a-z0-9])\b//i and $c = $1;
- if ($o =~ s/=[is]@\z//) {
- my $v = $opt->{$o} or next;
- push @cmd, map { $c ? "-$c$_" : "--$o=$_" } @$v;
- } elsif ($o =~ s/=[is]\z//) {
- my $v = $opt->{$o} // next;
- push @cmd, $c ? "-$c$v" : "--$o=$v";
- } elsif ($o =~ s/:[is]\z//) {
- my $v = $opt->{$o} // next;
- push @cmd, $c ? "-$c$v" :
- ($v eq '' ? "--$o" : "--$o=$v");
- } elsif ($o =~ s/!\z//) {
- my $v = $opt->{$o} // next;
- push @cmd, $v ? "--$o" : "--no-$o";
- } elsif ($opt->{$o}) {
- push @cmd, $c ? "-$c" : "--$o";
- }
- }
- $lei->qerr("# git @cmd");
- push @cmd, qw(A B);
- unshift @cmd, 'git', "--git-dir=$rw->{git_dir}";
- $pid = spawn(\@cmd, $lei->{env}, { 2 => $lei->{2}, 1 => $lei->{1} });
+ my $cmd = [ 'diff' ];
+ _lei_diff_prepare($lei, $cmd);
+ $lei->qerr("# git @$cmd");
+ push @$cmd, qw(A B);
+ unshift @$cmd, 'git', "--git-dir=$rw->{git_dir}";
+ $pid = spawn($cmd, $lei->{env}, { 2 => $lei->{2}, 1 => $lei->{1} });