if ($diff_use_color) {
@colored = run_cmd_pipe(qw(git diff-files -p --color --), $path);
}
- my (@hunk) = { TEXT => [], DISPLAY => [] };
+ my (@hunk) = { TEXT => [], DISPLAY => [], TYPE => 'header' };
for (my $i = 0; $i < @diff; $i++) {
if ($diff[$i] =~ /^@@ /) {
- push @hunk, { TEXT => [], DISPLAY => [] };
+ push @hunk, { TEXT => [], DISPLAY => [],
+ TYPE => 'hunk' };
}
push @{$hunk[-1]{TEXT}}, $diff[$i];
push @{$hunk[-1]{DISPLAY}},
sub parse_diff_header {
my $src = shift;
- my $head = { TEXT => [], DISPLAY => [] };
- my $mode = { TEXT => [], DISPLAY => [] };
+ my $head = { TEXT => [], DISPLAY => [], TYPE => 'header' };
+ my $mode = { TEXT => [], DISPLAY => [], TYPE => 'mode' };
for (my $i = 0; $i < @{$src->{TEXT}}; $i++) {
my $dest = $src->{TEXT}->[$i] =~ /^(old|new) mode (\d+)$/ ?
my $this = +{
TEXT => [],
DISPLAY => [],
+ TYPE => 'hunk',
OLD => $o_ofs,
NEW => $n_ofs,
OCNT => 0,
return @split;
}
+sub find_last_o_ctx {
+ my ($it) = @_;
+ my $text = $it->{TEXT};
+ my ($o_ofs, $o_cnt) = parse_hunk_header($text->[0]);
+ my $i = @{$text};
+ my $last_o_ctx = $o_ofs + $o_cnt;
+ while (0 < --$i) {
+ my $line = $text->[$i];
+ if ($line =~ /^ /) {
+ $last_o_ctx--;
+ next;
+ }
+ last;
+ }
+ return $last_o_ctx;
+}
+
+sub merge_hunk {
+ my ($prev, $this) = @_;
+ my ($o0_ofs, $o0_cnt, $n0_ofs, $n0_cnt) =
+ parse_hunk_header($prev->{TEXT}[0]);
+ my ($o1_ofs, $o1_cnt, $n1_ofs, $n1_cnt) =
+ parse_hunk_header($this->{TEXT}[0]);
+
+ my (@line, $i, $ofs, $o_cnt, $n_cnt);
+ $ofs = $o0_ofs;
+ $o_cnt = $n_cnt = 0;
+ for ($i = 1; $i < @{$prev->{TEXT}}; $i++) {
+ my $line = $prev->{TEXT}[$i];
+ if ($line =~ /^\+/) {
+ $n_cnt++;
+ push @line, $line;
+ next;
+ }
+
+ last if ($o1_ofs <= $ofs);
+
+ $o_cnt++;
+ $ofs++;
+ if ($line =~ /^ /) {
+ $n_cnt++;
+ }
+ push @line, $line;
+ }
+
+ for ($i = 1; $i < @{$this->{TEXT}}; $i++) {
+ my $line = $this->{TEXT}[$i];
+ if ($line =~ /^\+/) {
+ $n_cnt++;
+ push @line, $line;
+ next;
+ }
+ $ofs++;
+ $o_cnt++;
+ if ($line =~ /^ /) {
+ $n_cnt++;
+ }
+ push @line, $line;
+ }
+ my $head = ("@@ -$o0_ofs" .
+ (($o_cnt != 1) ? ",$o_cnt" : '') .
+ " +$n0_ofs" .
+ (($n_cnt != 1) ? ",$n_cnt" : '') .
+ " @@\n");
+ @{$prev->{TEXT}} = ($head, @line);
+}
+
+sub coalesce_overlapping_hunks {
+ my (@in) = @_;
+ my @out = ();
+
+ my ($last_o_ctx, $last_was_dirty);
+
+ for (grep { $_->{USE} } @in) {
+ my $text = $_->{TEXT};
+ my ($o_ofs) = parse_hunk_header($text->[0]);
+ if (defined $last_o_ctx &&
+ $o_ofs <= $last_o_ctx &&
+ !$_->{DIRTY} &&
+ !$last_was_dirty) {
+ merge_hunk($out[-1], $_);
+ }
+ else {
+ push @out, $_;
+ }
+ $last_o_ctx = find_last_o_ctx($out[-1]);
+ $last_was_dirty = $_->{DIRTY};
+ }
+ return @out;
+}
sub color_diff {
return map {
|| $ENV{VISUAL} || $ENV{EDITOR} || "vi";
system('sh', '-c', $editor.' "$@"', $editor, $hunkfile);
+ if ($? != 0) {
+ return undef;
+ }
+
open $fh, '<', $hunkfile
or die "failed to open hunk edit file for reading: " . $!;
my @newtext = grep { !/^#/ } <$fh>;
if (!defined $text) {
return undef;
}
- my $newhunk = { TEXT => $text, USE => 1 };
+ my $newhunk = {
+ TEXT => $text,
+ TYPE => $hunk->[$ix]->{TYPE},
+ USE => 1,
+ DIRTY => 1,
+ };
if (diff_applies($head,
@{$hunk}[0..$ix-1],
$newhunk,
print colored $help_color, <<\EOF ;
y - stage this hunk
n - do not stage this hunk
+q - quit, do not stage this hunk nor any of the remaining ones
a - stage this and all the remaining hunks in the file
d - do not stage this hunk nor any of the remaining hunks in the file
g - select a hunk to go to
@mods);
}
for (@them) {
- patch_update_file($_->{VALUE});
+ return 0 if patch_update_file($_->{VALUE});
}
}
}
sub patch_update_file {
+ my $quit = 0;
my ($ix, $num);
my $path = shift;
my ($head, @hunk) = parse_diff($path);
}
if (@{$mode->{TEXT}}) {
- while (1) {
- print @{$mode->{DISPLAY}};
- print colored $prompt_color,
- "Stage mode change [y/n/a/d/?]? ";
- my $line = prompt_single_character;
- if ($line =~ /^y/i) {
- $mode->{USE} = 1;
- last;
- }
- elsif ($line =~ /^n/i) {
- $mode->{USE} = 0;
- last;
- }
- elsif ($line =~ /^a/i) {
- $_->{USE} = 1 foreach ($mode, @hunk);
- last;
- }
- elsif ($line =~ /^d/i) {
- $_->{USE} = 0 foreach ($mode, @hunk);
- last;
- }
- else {
- help_patch_cmd('');
- next;
- }
- }
+ unshift @hunk, $mode;
}
$num = scalar @hunk;
}
last if (!$undecided);
- if (hunk_splittable($hunk[$ix]{TEXT})) {
+ if ($hunk[$ix]{TYPE} eq 'hunk' &&
+ hunk_splittable($hunk[$ix]{TEXT})) {
$other .= ',s';
}
- $other .= ',e';
+ if ($hunk[$ix]{TYPE} eq 'hunk') {
+ $other .= ',e';
+ }
for (@{$hunk[$ix]{DISPLAY}}) {
print;
}
- print colored $prompt_color, "Stage this hunk [y,n,a,d,/$other,?]? ";
+ print colored $prompt_color, 'Stage ',
+ ($hunk[$ix]{TYPE} eq 'mode' ? 'mode change' : 'this hunk'),
+ " [y,n,q,a,d,/$other,?]? ";
my $line = prompt_single_character;
if ($line) {
if ($line =~ /^y/i) {
}
next;
}
+ elsif ($line =~ /^q/i) {
+ while ($ix < $num) {
+ if (!defined $hunk[$ix]{USE}) {
+ $hunk[$ix]{USE} = 0;
+ }
+ $ix++;
+ }
+ $quit = 1;
+ next;
+ }
elsif ($line =~ m|^/(.*)|) {
my $regex = $1;
if ($1 eq "") {
$num = scalar @hunk;
next;
}
- elsif ($line =~ /^e/) {
+ elsif ($other =~ /e/ && $line =~ /^e/) {
my $newhunk = edit_hunk_loop($head, \@hunk, $ix);
if (defined $newhunk) {
splice @hunk, $ix, 1, $newhunk;
}
}
+ @hunk = coalesce_overlapping_hunks(@hunk);
+
my $n_lofs = 0;
my @result = ();
- if ($mode->{USE}) {
- push @result, @{$mode->{TEXT}};
- }
for (@hunk) {
if ($_->{USE}) {
push @result, @{$_->{TEXT}};
}
print "\n";
+ return $quit;
}
sub diff_cmd {