sub run_git_apply {
my $cmd = shift;
my $fh;
- open $fh, '| git ' . $cmd . " --recount --allow-overlap";
+ open $fh, '| git ' . $cmd . " --allow-overlap";
print $fh @_;
return close $fh;
}
}
my (@hunk) = { TEXT => [], DISPLAY => [], TYPE => 'header' };
+ if (@colored && @colored != @diff) {
+ print STDERR
+ "fatal: mismatched output from interactive.diffFilter\n",
+ "hint: Your filter must maintain a one-to-one correspondence\n",
+ "hint: between its input and output lines.\n";
+ exit 1;
+ }
+
for (my $i = 0; $i < @diff; $i++) {
if ($diff[$i] =~ /^@@ /) {
push @hunk, { TEXT => [], DISPLAY => [],
return ($o_ofs, $o_cnt, $n_ofs, $n_cnt);
}
+sub format_hunk_header {
+ my ($o_ofs, $o_cnt, $n_ofs, $n_cnt) = @_;
+ return ("@@ -$o_ofs" .
+ (($o_cnt != 1) ? ",$o_cnt" : '') .
+ " +$n_ofs" .
+ (($n_cnt != 1) ? ",$n_cnt" : '') .
+ " @@\n");
+}
+
sub split_hunk {
my ($text, $display) = @_;
my @split = ();
while (++$i < @$text) {
my $line = $text->[$i];
my $display = $display->[$i];
+ if ($line =~ /^\\/) {
+ push @{$this->{TEXT}}, $line;
+ push @{$this->{DISPLAY}}, $display;
+ next;
+ }
if ($line =~ /^ /) {
if ($this->{ADDDEL} &&
!defined $next_hunk_start) {
my $o_cnt = $hunk->{OCNT};
my $n_cnt = $hunk->{NCNT};
- my $head = ("@@ -$o_ofs" .
- (($o_cnt != 1) ? ",$o_cnt" : '') .
- " +$n_ofs" .
- (($n_cnt != 1) ? ",$n_cnt" : '') .
- " @@\n");
+ my $head = format_hunk_header($o_ofs, $o_cnt, $n_ofs, $n_cnt);
my $display_head = $head;
unshift @{$hunk->{TEXT}}, $head;
if ($diff_use_color) {
$n_cnt++;
push @line, $line;
next;
+ } elsif ($line =~ /^\\/) {
+ push @line, $line;
+ next;
}
last if ($o1_ofs <= $ofs);
$n_cnt++;
push @line, $line;
next;
+ } elsif ($line =~ /^\\/) {
+ push @line, $line;
+ next;
}
$ofs++;
$o_cnt++;
}
push @line, $line;
}
- my $head = ("@@ -$o0_ofs" .
- (($o_cnt != 1) ? ",$o_cnt" : '') .
- " +$n0_ofs" .
- (($n_cnt != 1) ? ",$n_cnt" : '') .
- " @@\n");
+ my $head = format_hunk_header($o0_ofs, $o_cnt, $n0_ofs, $n_cnt);
@{$prev->{TEXT}} = ($head, @line);
}
my @out = ();
my ($last_o_ctx, $last_was_dirty);
+ my $ofs_delta = 0;
- for (grep { $_->{USE} } @in) {
+ for (@in) {
if ($_->{TYPE} ne 'hunk') {
push @out, $_;
next;
}
my $text = $_->{TEXT};
- my ($o_ofs) = parse_hunk_header($text->[0]);
+ my ($o_ofs, $o_cnt, $n_ofs, $n_cnt) =
+ parse_hunk_header($text->[0]);
+ unless ($_->{USE}) {
+ $ofs_delta += $o_cnt - $n_cnt;
+ # If this hunk has been edited then subtract
+ # the delta that is due to the edit.
+ if ($_->{OFS_DELTA}) {
+ $ofs_delta -= $_->{OFS_DELTA};
+ }
+ next;
+ }
+ if ($ofs_delta) {
+ $n_ofs += $ofs_delta;
+ $_->{TEXT}->[0] = format_hunk_header($o_ofs, $o_cnt,
+ $n_ofs, $n_cnt);
+ }
+ # If this hunk was edited then adjust the offset delta
+ # to reflect the edit.
+ if ($_->{OFS_DELTA}) {
+ $ofs_delta += $_->{OFS_DELTA};
+ }
if (defined $last_o_ctx &&
$o_ofs <= $last_o_ctx &&
!$_->{DIRTY} &&
} @_;
}
+sub label_hunk_lines {
+ local $_;
+ my $hunk = shift;
+ my $i = 0;
+ my $labels = [ map { /^[-+]/ ? ++$i : 0 } @{$hunk->{TEXT}} ];
+ if ($i > 1) {
+ @{$hunk}{qw(LABELS MAX_LABEL)} = ($labels, $i);
+ return 1;
+ }
+ return 0;
+}
+
+sub select_hunk_lines {
+ my ($hunk, $selected) = @_;
+ my ($text, $labels) = @{$hunk}{qw(TEXT LABELS)};
+ my ($i, $o_cnt, $n_cnt) = (0, 0, 0);
+ my ($push_eol, @newtext);
+ # Lines with this mode will become context lines if they are
+ # not selected
+ my $context_mode = $patch_mode_flavour{IS_REVERSE} ? '+' : '-';
+ for $i (1..$#{$text}) {
+ my $mode = substr($text->[$i], 0, 1);
+ if ($mode eq '\\') {
+ push @newtext, $text->[$i] if ($push_eol);
+ undef $push_eol;
+ } elsif ($labels->[$i] and $selected->[$labels->[$i]]) {
+ push @newtext, $text->[$i];
+ if ($mode eq '+') {
+ $n_cnt++;
+ } else {
+ $o_cnt++;
+ }
+ $push_eol = 1;
+ } elsif ($mode eq ' ' or $mode eq $context_mode) {
+ push @newtext, ' ' . substr($text->[$i], 1);
+ $o_cnt++; $n_cnt++;
+ $push_eol = 1;
+ } else {
+ undef $push_eol;
+ }
+ }
+ my ($o_ofs, $orig_o_cnt, $n_ofs, $orig_n_cnt) =
+ parse_hunk_header($text->[0]);
+ unshift @newtext, format_hunk_header($o_ofs, $o_cnt, $n_ofs, $n_cnt);
+ my $newhunk = {
+ TEXT => \@newtext,
+ DISPLAY => [ color_diff(@newtext) ],
+ OFS_DELTA => $orig_o_cnt - $orig_n_cnt - $o_cnt + $n_cnt,
+ TYPE => $hunk->{TYPE},
+ USE => 1,
+ };
+ # If this hunk has previously been edited add the offset delta
+ # of the old hunk to get the real delta from the original
+ # hunk.
+ if ($hunk->{OFS_DELTA}) {
+ $newhunk->{OFS_DELTA} += $hunk->{OFS_DELTA};
+ }
+ return $newhunk;
+}
+
+sub check_hunk_label {
+ my ($max_label, $label) = ($_[0]->{MAX_LABEL}, $_[1]);
+ if ($label < 1 or $label > $max_label) {
+ error_msg sprintf(__("invalid hunk line '%d'\n"), $label);
+ return 0;
+ }
+ return 1;
+}
+
+sub split_hunk_selection {
+ local $_;
+ my @fields = @_;
+ my @ret;
+ for (@fields) {
+ while ($_ ne '') {
+ if (/^[0-9]-$/) {
+ push @ret, $_;
+ last;
+ } elsif (/^([0-9](?:-[0-9])?)(.*)/) {
+ push @ret, $1;
+ $_ = $2;
+ } else {
+ error_msg sprintf
+ __("invalid hunk line '%s'\n"),
+ substr($_, 0, 1);
+ return ();
+ }
+ }
+ }
+ return @ret;
+}
+
+sub parse_hunk_selection {
+ local $_;
+ my ($hunk, $line) = @_;
+ my ($max_label, $invert) = ($hunk->{MAX_LABEL}, undef);
+ my @selected = (0) x ($max_label + 1);
+ my @fields = split(/[,\s]+/, $line);
+ if ($fields[0] =~ /^-(.*)/) {
+ $invert = 1;
+ if ($1 ne '') {
+ $fields[0] = $1;
+ } else {
+ shift @fields;
+ unless (@fields) {
+ error_msg __("no lines to invert\n");
+ return undef;
+ }
+ }
+ }
+ if ($max_label < 10) {
+ @fields = split_hunk_selection(@fields) or return undef;
+ }
+ for (@fields) {
+ if (my ($lo, $hi) = /^([0-9]+)-([0-9]*)$/) {
+ if ($hi eq '') {
+ $hi = $max_label;
+ }
+ check_hunk_label($hunk, $lo) or return undef;
+ check_hunk_label($hunk, $hi) or return undef;
+ if ($hi < $lo) {
+ ($lo, $hi) = ($hi, $lo);
+ }
+ @selected[$lo..$hi] = (1) x (1 + $hi - $lo);
+ } elsif (/^([0-9]+)$/) {
+ check_hunk_label($hunk, $1) or return undef;
+ $selected[$1] = 1;
+ } else {
+ error_msg sprintf(__("invalid hunk line '%s'\n"), $_);
+ return undef;
+ }
+ }
+ if ($invert) {
+ @selected = map { !$_ } @selected;
+ }
+ return \@selected;
+}
+
+sub display_hunk_lines {
+ my ($display, $labels, $max_label) =
+ @{$_[0]}{qw(DISPLAY LABELS MAX_LABEL)};
+ my $width = int(log($max_label) / log(10)) + 1;
+ my $padding = ' ' x ($width + 1);
+ for my $i (0..$#{$display}) {
+ if ($labels->[$i]) {
+ printf '%*d %s', $width, $labels->[$i], $display->[$i];
+ } else {
+ print $padding . $display->[$i];
+ }
+ }
+}
+
+sub select_lines_loop {
+ my $hunk = shift;
+ display_hunk_lines($hunk);
+ my $selection = undef;
+ until (defined $selection) {
+ print colored $prompt_color, __("select lines? ");
+ my $text = <STDIN>;
+ defined $text and $text =~ /\S/ or return undef;
+ $selection = parse_hunk_selection($hunk, $text);
+ }
+ return select_hunk_lines($hunk, $selection);
+}
+
my %edit_hunk_manually_modes = (
stage => N__(
"If the patch applies cleanly, the edited hunk will immediately be
marked for applying."),
);
+sub recount_edited_hunk {
+ local $_;
+ my ($oldtext, $newtext) = @_;
+ my ($o_cnt, $n_cnt) = (0, 0);
+ for (@{$newtext}[1..$#{$newtext}]) {
+ my $mode = substr($_, 0, 1);
+ if ($mode eq '-') {
+ $o_cnt++;
+ } elsif ($mode eq '+') {
+ $n_cnt++;
+ } elsif ($mode eq ' ') {
+ $o_cnt++;
+ $n_cnt++;
+ }
+ }
+ my ($o_ofs, undef, $n_ofs, undef) =
+ parse_hunk_header($newtext->[0]);
+ $newtext->[0] = format_hunk_header($o_ofs, $o_cnt, $n_ofs, $n_cnt);
+ my (undef, $orig_o_cnt, undef, $orig_n_cnt) =
+ parse_hunk_header($oldtext->[0]);
+ # Return the change in the number of lines inserted by this hunk
+ return $orig_o_cnt - $orig_n_cnt - $o_cnt + $n_cnt;
+}
+
sub edit_hunk_manually {
my ($oldtext) = @_;
}
sub edit_hunk_loop {
- my ($head, $hunk, $ix) = @_;
- my $text = $hunk->[$ix]->{TEXT};
+ my ($head, $hunks, $ix) = @_;
+ my $hunk = $hunks->[$ix];
+ my $text = $hunk->{TEXT};
while (1) {
- $text = edit_hunk_manually($text);
- if (!defined $text) {
+ my $newtext = edit_hunk_manually($text);
+ if (!defined $newtext) {
return undef;
}
my $newhunk = {
- TEXT => $text,
- TYPE => $hunk->[$ix]->{TYPE},
+ TEXT => $newtext,
+ TYPE => $hunk->{TYPE},
USE => 1,
DIRTY => 1,
};
+ $newhunk->{OFS_DELTA} = recount_edited_hunk($text, $newtext);
+ # If this hunk has already been edited then add the
+ # offset delta of the previous edit to get the real
+ # delta from the original unedited hunk.
+ $hunk->{OFS_DELTA} and
+ $newhunk->{OFS_DELTA} += $hunk->{OFS_DELTA};
if (diff_applies($head,
- @{$hunk}[0..$ix-1],
+ @{$hunks}[0..$ix-1],
$newhunk,
- @{$hunk}[$ix+1..$#{$hunk}])) {
- $newhunk->{DISPLAY} = [color_diff(@{$text})];
+ @{$hunks}[$ix+1..$#{$hunks}])) {
+ $newhunk->{DISPLAY} = [color_diff(@{$newtext})];
return $newhunk;
}
else {
J - leave this hunk undecided, see next hunk
k - leave this hunk undecided, see previous undecided hunk
K - leave this hunk undecided, see previous hunk
+l - select hunk lines to use
s - split the current hunk into smaller hunks
e - manually edit the current hunk
? - print help
if ($hunk[$ix]{TYPE} eq 'hunk') {
$other .= ',e';
}
+ if (label_hunk_lines($hunk[$ix])) {
+ $other .= ',l';
+ }
for (@{$hunk[$ix]{DISPLAY}}) {
print;
}
next;
}
}
+ elsif ($line =~ /^l/) {
+ unless ($other =~ /l/) {
+ error_msg __("Cannot select line by line\n");
+ next;
+ }
+ my $newhunk = select_lines_loop($hunk[$ix]);
+ if ($newhunk) {
+ splice @hunk, $ix, 1, $newhunk;
+ } else {
+ next;
+ }
+ }
elsif ($line =~ /^s/) {
unless ($other =~ /s/) {
error_msg __("Sorry, cannot split this hunk\n");