}
sub get_blame {
- my ($commits, $source, $start, $len, $from) = @_;
+ my ($commits, $source, $from, $ranges) = @_;
+ return unless @$ranges;
open my $f, '-|',
- qw(git blame --porcelain -C), '-L', "$start,+$len",
+ qw(git blame --porcelain -C),
+ map({"-L$_->[0],+$_->[1]"} @$ranges),
'--since', $since, "$from^", '--', $source or die;
while (<$f>) {
if (/^([0-9a-f]{40}) \d+ \d+ \d+$/) {
close $f;
}
+sub blame_sources {
+ my ($sources, $commits) = @_;
+ for my $s (keys %$sources) {
+ for my $id (keys %{$sources->{$s}}) {
+ get_blame($commits, $s, $id, $sources->{$s}{$id});
+ }
+ }
+}
+
sub scan_patches {
- my ($commits, $id, $f) = @_;
+ my ($sources, $id, $f) = @_;
my $source;
while (<$f>) {
if (/^From ([0-9a-f]{40}) Mon Sep 17 00:00:00 2001$/) {
die "Cannot parse hunk source: $_\n";
} elsif (/^@@ -(\d+)(?:,(\d+))?/ && $source) {
my $len = defined($2) ? $2 : 1;
- get_blame($commits, $source, $1, $len, $id) if $len;
+ push @{$sources->{$source}{$id}}, [$1, $len] if $len;
}
}
}
}
}
-my %commits;
+my %sources;
for (@files) {
- scan_patch_file(\%commits, $_);
+ scan_patch_file(\%sources, $_);
}
if (@rev_args) {
- scan_rev_args(\%commits, \@rev_args)
+ scan_rev_args(\%sources, \@rev_args)
}
+
+my $toplevel = `git rev-parse --show-toplevel`;
+chomp $toplevel;
+chdir($toplevel) or die "chdir failure: $toplevel: $!\n";
+
+my %commits;
+blame_sources(\%sources, \%commits);
import_commits(\%commits);
my $contacts = {};