1#!/usr/bin/perl
2use 5.008;
4use strict;
5use warnings;
6use Git qw(unquote_path);
7use Git::I18N;
8binmode(STDOUT, ":raw");
10my $repo = Git->repository();
12my $menu_use_color = $repo->get_colorbool('color.interactive');
14my ($prompt_color, $header_color, $help_color) =
15 $menu_use_color ? (
16 $repo->get_color('color.interactive.prompt', 'bold blue'),
17 $repo->get_color('color.interactive.header', 'bold'),
18 $repo->get_color('color.interactive.help', 'red bold'),
19 ) : ();
20my $error_color = ();
21if ($menu_use_color) {
22 my $help_color_spec = ($repo->config('color.interactive.help') or
23 'red bold');
24 $error_color = $repo->get_color('color.interactive.error',
25 $help_color_spec);
26}
27my $diff_use_color = $repo->get_colorbool('color.diff');
29my ($fraginfo_color) =
30 $diff_use_color ? (
31 $repo->get_color('color.diff.frag', 'cyan'),
32 ) : ();
33my ($diff_plain_color) =
34 $diff_use_color ? (
35 $repo->get_color('color.diff.plain', ''),
36 ) : ();
37my ($diff_old_color) =
38 $diff_use_color ? (
39 $repo->get_color('color.diff.old', 'red'),
40 ) : ();
41my ($diff_new_color) =
42 $diff_use_color ? (
43 $repo->get_color('color.diff.new', 'green'),
44 ) : ();
45my $normal_color = $repo->get_color("", "reset");
47my $diff_algorithm = $repo->config('diff.algorithm');
49my $diff_filter = $repo->config('interactive.difffilter');
50my $use_readkey = 0;
52my $use_termcap = 0;
53my %term_escapes;
54sub ReadMode;
56sub ReadKey;
57if ($repo->config_bool("interactive.singlekey")) {
58 eval {
59 require Term::ReadKey;
60 Term::ReadKey->import;
61 $use_readkey = 1;
62 };
63 if (!$use_readkey) {
64 print STDERR "missing Term::ReadKey, disabling interactive.singlekey\n";
65 }
66 eval {
67 require Term::Cap;
68 my $termcap = Term::Cap->Tgetent;
69 foreach (values %$termcap) {
70 $term_escapes{$_} = 1 if /^\e/;
71 }
72 $use_termcap = 1;
73 };
74}
75sub colored {
77 my $color = shift;
78 my $string = join("", @_);
79 if (defined $color) {
81 # Put a color code at the beginning of each line, a reset at the end
82 # color after newlines that are not at the end of the string
83 $string =~ s/(\n+)(.)/$1$color$2/g;
84 # reset before newlines
85 $string =~ s/(\n+)/$normal_color$1/g;
86 # codes at beginning and end (if necessary):
87 $string =~ s/^/$color/;
88 $string =~ s/$/$normal_color/ unless $string =~ /\n$/;
89 }
90 return $string;
91}
92# command line options
94my $patch_mode_only;
95my $patch_mode;
96my $patch_mode_revision;
97sub apply_patch;
99sub apply_patch_for_checkout_commit;
100sub apply_patch_for_stash;
101my %patch_modes = (
103 'stage' => {
104 DIFF => 'diff-files -p',
105 APPLY => sub { apply_patch 'apply --cached', @_; },
106 APPLY_CHECK => 'apply --cached',
107 FILTER => 'file-only',
108 IS_REVERSE => 0,
109 },
110 'stash' => {
111 DIFF => 'diff-index -p HEAD',
112 APPLY => sub { apply_patch 'apply --cached', @_; },
113 APPLY_CHECK => 'apply --cached',
114 FILTER => undef,
115 IS_REVERSE => 0,
116 },
117 'reset_head' => {
118 DIFF => 'diff-index -p --cached',
119 APPLY => sub { apply_patch 'apply -R --cached', @_; },
120 APPLY_CHECK => 'apply -R --cached',
121 FILTER => 'index-only',
122 IS_REVERSE => 1,
123 },
124 'reset_nothead' => {
125 DIFF => 'diff-index -R -p --cached',
126 APPLY => sub { apply_patch 'apply --cached', @_; },
127 APPLY_CHECK => 'apply --cached',
128 FILTER => 'index-only',
129 IS_REVERSE => 0,
130 },
131 'checkout_index' => {
132 DIFF => 'diff-files -p',
133 APPLY => sub { apply_patch 'apply -R', @_; },
134 APPLY_CHECK => 'apply -R',
135 FILTER => 'file-only',
136 IS_REVERSE => 1,
137 },
138 'checkout_head' => {
139 DIFF => 'diff-index -p',
140 APPLY => sub { apply_patch_for_checkout_commit '-R', @_ },
141 APPLY_CHECK => 'apply -R',
142 FILTER => undef,
143 IS_REVERSE => 1,
144 },
145 'checkout_nothead' => {
146 DIFF => 'diff-index -R -p',
147 APPLY => sub { apply_patch_for_checkout_commit '', @_ },
148 APPLY_CHECK => 'apply',
149 FILTER => undef,
150 IS_REVERSE => 0,
151 },
152);
153$patch_mode = 'stage';
155my %patch_mode_flavour = %{$patch_modes{$patch_mode}};
156sub run_cmd_pipe {
158 if ($^O eq 'MSWin32') {
159 my @invalid = grep {m/[":*]/} @_;
160 die "$^O does not support: @invalid\n" if @invalid;
161 my @args = map { m/ /o ? "\"$_\"": $_ } @_;
162 return qx{@args};
163 } else {
164 my $fh = undef;
165 open($fh, '-|', @_) or die;
166 return <$fh>;
167 }
168}
169my ($GIT_DIR) = run_cmd_pipe(qw(git rev-parse --git-dir));
171if (!defined $GIT_DIR) {
173 exit(1); # rev-parse would have already said "not a git repo"
174}
175chomp($GIT_DIR);
176sub refresh {
178 my $fh;
179 open $fh, 'git update-index --refresh |'
180 or die;
181 while (<$fh>) {
182 ;# ignore 'needs update'
183 }
184 close $fh;
185}
186sub list_untracked {
188 map {
189 chomp $_;
190 unquote_path($_);
191 }
192 run_cmd_pipe(qw(git ls-files --others --exclude-standard --), @ARGV);
193}
194# TRANSLATORS: you can adjust this to align "git add -i" status menu
196my $status_fmt = __('%12s %12s %s');
197my $status_head = sprintf($status_fmt, __('staged'), __('unstaged'), __('path'));
198{
200 my $initial;
201 sub is_initial_commit {
202 $initial = system('git rev-parse HEAD -- >/dev/null 2>&1') != 0
203 unless defined $initial;
204 return $initial;
205 }
206}
207sub get_empty_tree {
209 return '4b825dc642cb6eb9a060e54bf8d69288fbee4904';
210}
211sub get_diff_reference {
213 my $ref = shift;
214 if (defined $ref and $ref ne 'HEAD') {
215 return $ref;
216 } elsif (is_initial_commit()) {
217 return get_empty_tree();
218 } else {
219 return 'HEAD';
220 }
221}
222# Returns list of hashes, contents of each of which are:
224# VALUE: pathname
225# BINARY: is a binary path
226# INDEX: is index different from HEAD?
227# FILE: is file different from index?
228# INDEX_ADDDEL: is it add/delete between HEAD and index?
229# FILE_ADDDEL: is it add/delete between index and file?
230# UNMERGED: is the path unmerged
231sub list_modified {
233 my ($only) = @_;
234 my (%data, @return);
235 my ($add, $del, $adddel, $file);
236 my $reference = get_diff_reference($patch_mode_revision);
238 for (run_cmd_pipe(qw(git diff-index --cached
239 --numstat --summary), $reference,
240 '--', @ARGV)) {
241 if (($add, $del, $file) =
242 /^([-\d]+) ([-\d]+) (.*)/) {
243 my ($change, $bin);
244 $file = unquote_path($file);
245 if ($add eq '-' && $del eq '-') {
246 $change = __('binary');
247 $bin = 1;
248 }
249 else {
250 $change = "+$add/-$del";
251 }
252 $data{$file} = {
253 INDEX => $change,
254 BINARY => $bin,
255 FILE => __('nothing'),
256 }
257 }
258 elsif (($adddel, $file) =
259 /^ (create|delete) mode [0-7]+ (.*)$/) {
260 $file = unquote_path($file);
261 $data{$file}{INDEX_ADDDEL} = $adddel;
262 }
263 }
264 for (run_cmd_pipe(qw(git diff-files --numstat --summary --raw --), @ARGV)) {
266 if (($add, $del, $file) =
267 /^([-\d]+) ([-\d]+) (.*)/) {
268 $file = unquote_path($file);
269 my ($change, $bin);
270 if ($add eq '-' && $del eq '-') {
271 $change = __('binary');
272 $bin = 1;
273 }
274 else {
275 $change = "+$add/-$del";
276 }
277 $data{$file}{FILE} = $change;
278 if ($bin) {
279 $data{$file}{BINARY} = 1;
280 }
281 }
282 elsif (($adddel, $file) =
283 /^ (create|delete) mode [0-7]+ (.*)$/) {
284 $file = unquote_path($file);
285 $data{$file}{FILE_ADDDEL} = $adddel;
286 }
287 elsif (/^:[0-7]+ [0-7]+ [0-9a-f]+ [0-9a-f]+ (.) (.*)$/) {
288 $file = unquote_path($2);
289 if (!exists $data{$file}) {
290 $data{$file} = +{
291 INDEX => __('unchanged'),
292 BINARY => 0,
293 };
294 }
295 if ($1 eq 'U') {
296 $data{$file}{UNMERGED} = 1;
297 }
298 }
299 }
300 for (sort keys %data) {
302 my $it = $data{$_};
303 if ($only) {
305 if ($only eq 'index-only') {
306 next if ($it->{INDEX} eq __('unchanged'));
307 }
308 if ($only eq 'file-only') {
309 next if ($it->{FILE} eq __('nothing'));
310 }
311 }
312 push @return, +{
313 VALUE => $_,
314 %$it,
315 };
316 }
317 return @return;
318}
319sub find_unique {
321 my ($string, @stuff) = @_;
322 my $found = undef;
323 for (my $i = 0; $i < @stuff; $i++) {
324 my $it = $stuff[$i];
325 my $hit = undef;
326 if (ref $it) {
327 if ((ref $it) eq 'ARRAY') {
328 $it = $it->[0];
329 }
330 else {
331 $it = $it->{VALUE};
332 }
333 }
334 eval {
335 if ($it =~ /^$string/) {
336 $hit = 1;
337 };
338 };
339 if (defined $hit && defined $found) {
340 return undef;
341 }
342 if ($hit) {
343 $found = $i + 1;
344 }
345 }
346 return $found;
347}
348# inserts string into trie and updates count for each character
350sub update_trie {
351 my ($trie, $string) = @_;
352 foreach (split //, $string) {
353 $trie = $trie->{$_} ||= {COUNT => 0};
354 $trie->{COUNT}++;
355 }
356}
357# returns an array of tuples (prefix, remainder)
359sub find_unique_prefixes {
360 my @stuff = @_;
361 my @return = ();
362 # any single prefix exceeding the soft limit is omitted
364 # if any prefix exceeds the hard limit all are omitted
365 # 0 indicates no limit
366 my $soft_limit = 0;
367 my $hard_limit = 3;
368 # build a trie modelling all possible options
370 my %trie;
371 foreach my $print (@stuff) {
372 if ((ref $print) eq 'ARRAY') {
373 $print = $print->[0];
374 }
375 elsif ((ref $print) eq 'HASH') {
376 $print = $print->{VALUE};
377 }
378 update_trie(\%trie, $print);
379 push @return, $print;
380 }
381 # use the trie to find the unique prefixes
383 for (my $i = 0; $i < @return; $i++) {
384 my $ret = $return[$i];
385 my @letters = split //, $ret;
386 my %search = %trie;
387 my ($prefix, $remainder);
388 my $j;
389 for ($j = 0; $j < @letters; $j++) {
390 my $letter = $letters[$j];
391 if ($search{$letter}{COUNT} == 1) {
392 $prefix = substr $ret, 0, $j + 1;
393 $remainder = substr $ret, $j + 1;
394 last;
395 }
396 else {
397 my $prefix = substr $ret, 0, $j;
398 return ()
399 if ($hard_limit && $j + 1 > $hard_limit);
400 }
401 %search = %{$search{$letter}};
402 }
403 if (ord($letters[0]) > 127 ||
404 ($soft_limit && $j + 1 > $soft_limit)) {
405 $prefix = undef;
406 $remainder = $ret;
407 }
408 $return[$i] = [$prefix, $remainder];
409 }
410 return @return;
411}
412# filters out prefixes which have special meaning to list_and_choose()
414sub is_valid_prefix {
415 my $prefix = shift;
416 return (defined $prefix) &&
417 !($prefix =~ /[\s,]/) && # separators
418 !($prefix =~ /^-/) && # deselection
419 !($prefix =~ /^\d+/) && # selection
420 ($prefix ne '*') && # "all" wildcard
421 ($prefix ne '?'); # prompt help
422}
423# given a prefix/remainder tuple return a string with the prefix highlighted
425# for now use square brackets; later might use ANSI colors (underline, bold)
426sub highlight_prefix {
427 my $prefix = shift;
428 my $remainder = shift;
429 if (!defined $prefix) {
431 return $remainder;
432 }
433 if (!is_valid_prefix($prefix)) {
435 return "$prefix$remainder";
436 }
437 if (!$menu_use_color) {
439 return "[$prefix]$remainder";
440 }
441 return "$prompt_color$prefix$normal_color$remainder";
443}
444sub error_msg {
446 print STDERR colored $error_color, @_;
447}
448sub list_and_choose {
450 my ($opts, @stuff) = @_;
451 my (@chosen, @return);
452 if (!@stuff) {
453 return @return;
454 }
455 my $i;
456 my @prefixes = find_unique_prefixes(@stuff) unless $opts->{LIST_ONLY};
457 TOPLOOP:
459 while (1) {
460 my $last_lf = 0;
461 if ($opts->{HEADER}) {
463 if (!$opts->{LIST_FLAT}) {
464 print " ";
465 }
466 print colored $header_color, "$opts->{HEADER}\n";
467 }
468 for ($i = 0; $i < @stuff; $i++) {
469 my $chosen = $chosen[$i] ? '*' : ' ';
470 my $print = $stuff[$i];
471 my $ref = ref $print;
472 my $highlighted = highlight_prefix(@{$prefixes[$i]})
473 if @prefixes;
474 if ($ref eq 'ARRAY') {
475 $print = $highlighted || $print->[0];
476 }
477 elsif ($ref eq 'HASH') {
478 my $value = $highlighted || $print->{VALUE};
479 $print = sprintf($status_fmt,
480 $print->{INDEX},
481 $print->{FILE},
482 $value);
483 }
484 else {
485 $print = $highlighted || $print;
486 }
487 printf("%s%2d: %s", $chosen, $i+1, $print);
488 if (($opts->{LIST_FLAT}) &&
489 (($i + 1) % ($opts->{LIST_FLAT}))) {
490 print "\t";
491 $last_lf = 0;
492 }
493 else {
494 print "\n";
495 $last_lf = 1;
496 }
497 }
498 if (!$last_lf) {
499 print "\n";
500 }
501 return if ($opts->{LIST_ONLY});
503 print colored $prompt_color, $opts->{PROMPT};
505 if ($opts->{SINGLETON}) {
506 print "> ";
507 }
508 else {
509 print ">> ";
510 }
511 my $line = <STDIN>;
512 if (!$line) {
513 print "\n";
514 $opts->{ON_EOF}->() if $opts->{ON_EOF};
515 last;
516 }
517 chomp $line;
518 last if $line eq '';
519 if ($line eq '?') {
520 $opts->{SINGLETON} ?
521 singleton_prompt_help_cmd() :
522 prompt_help_cmd();
523 next TOPLOOP;
524 }
525 for my $choice (split(/[\s,]+/, $line)) {
526 my $choose = 1;
527 my ($bottom, $top);
528 # Input that begins with '-'; unchoose
530 if ($choice =~ s/^-//) {
531 $choose = 0;
532 }
533 # A range can be specified like 5-7 or 5-.
534 if ($choice =~ /^(\d+)-(\d*)$/) {
535 ($bottom, $top) = ($1, length($2) ? $2 : 1 + @stuff);
536 }
537 elsif ($choice =~ /^\d+$/) {
538 $bottom = $top = $choice;
539 }
540 elsif ($choice eq '*') {
541 $bottom = 1;
542 $top = 1 + @stuff;
543 }
544 else {
545 $bottom = $top = find_unique($choice, @stuff);
546 if (!defined $bottom) {
547 error_msg sprintf(__("Huh (%s)?\n"), $choice);
548 next TOPLOOP;
549 }
550 }
551 if ($opts->{SINGLETON} && $bottom != $top) {
552 error_msg sprintf(__("Huh (%s)?\n"), $choice);
553 next TOPLOOP;
554 }
555 for ($i = $bottom-1; $i <= $top-1; $i++) {
556 next if (@stuff <= $i || $i < 0);
557 $chosen[$i] = $choose;
558 }
559 }
560 last if ($opts->{IMMEDIATE} || $line eq '*');
561 }
562 for ($i = 0; $i < @stuff; $i++) {
563 if ($chosen[$i]) {
564 push @return, $stuff[$i];
565 }
566 }
567 return @return;
568}
569sub singleton_prompt_help_cmd {
571 print colored $help_color, __ <<'EOF' ;
572Prompt help:
5731 - select a numbered item
574foo - select item based on unique prefix
575 - (empty) select nothing
576EOF
577}
578sub prompt_help_cmd {
580 print colored $help_color, __ <<'EOF' ;
581Prompt help:
5821 - select a single item
5833-5 - select a range of items
5842-3,6-9 - select multiple ranges
585foo - select item based on unique prefix
586-... - unselect specified items
587* - choose all items
588 - (empty) finish selecting
589EOF
590}
591sub status_cmd {
593 list_and_choose({ LIST_ONLY => 1, HEADER => $status_head },
594 list_modified());
595 print "\n";
596}
597sub say_n_paths {
599 my $did = shift @_;
600 my $cnt = scalar @_;
601 if ($did eq 'added') {
602 printf(__n("added %d path\n", "added %d paths\n",
603 $cnt), $cnt);
604 } elsif ($did eq 'updated') {
605 printf(__n("updated %d path\n", "updated %d paths\n",
606 $cnt), $cnt);
607 } elsif ($did eq 'reverted') {
608 printf(__n("reverted %d path\n", "reverted %d paths\n",
609 $cnt), $cnt);
610 } else {
611 printf(__n("touched %d path\n", "touched %d paths\n",
612 $cnt), $cnt);
613 }
614}
615sub update_cmd {
617 my @mods = list_modified('file-only');
618 return if (!@mods);
619 my @update = list_and_choose({ PROMPT => __('Update'),
621 HEADER => $status_head, },
622 @mods);
623 if (@update) {
624 system(qw(git update-index --add --remove --),
625 map { $_->{VALUE} } @update);
626 say_n_paths('updated', @update);
627 }
628 print "\n";
629}
630sub revert_cmd {
632 my @update = list_and_choose({ PROMPT => __('Revert'),
633 HEADER => $status_head, },
634 list_modified());
635 if (@update) {
636 if (is_initial_commit()) {
637 system(qw(git rm --cached),
638 map { $_->{VALUE} } @update);
639 }
640 else {
641 my @lines = run_cmd_pipe(qw(git ls-tree HEAD --),
642 map { $_->{VALUE} } @update);
643 my $fh;
644 open $fh, '| git update-index --index-info'
645 or die;
646 for (@lines) {
647 print $fh $_;
648 }
649 close($fh);
650 for (@update) {
651 if ($_->{INDEX_ADDDEL} &&
652 $_->{INDEX_ADDDEL} eq 'create') {
653 system(qw(git update-index --force-remove --),
654 $_->{VALUE});
655 printf(__("note: %s is untracked now.\n"), $_->{VALUE});
656 }
657 }
658 }
659 refresh();
660 say_n_paths('reverted', @update);
661 }
662 print "\n";
663}
664sub add_untracked_cmd {
666 my @add = list_and_choose({ PROMPT => __('Add untracked') },
667 list_untracked());
668 if (@add) {
669 system(qw(git update-index --add --), @add);
670 say_n_paths('added', @add);
671 } else {
672 print __("No untracked files.\n");
673 }
674 print "\n";
675}
676sub run_git_apply {
678 my $cmd = shift;
679 my $fh;
680 open $fh, '| git ' . $cmd . " --recount --allow-overlap";
681 print $fh @_;
682 return close $fh;
683}
684sub parse_diff {
686 my ($path) = @_;
687 my @diff_cmd = split(" ", $patch_mode_flavour{DIFF});
688 if (defined $diff_algorithm) {
689 splice @diff_cmd, 1, 0, "--diff-algorithm=${diff_algorithm}";
690 }
691 if (defined $patch_mode_revision) {
692 push @diff_cmd, get_diff_reference($patch_mode_revision);
693 }
694 my @diff = run_cmd_pipe("git", @diff_cmd, "--", $path);
695 my @colored = ();
696 if ($diff_use_color) {
697 my @display_cmd = ("git", @diff_cmd, qw(--color --), $path);
698 if (defined $diff_filter) {
699 # quotemeta is overkill, but sufficient for shell-quoting
700 my $diff = join(' ', map { quotemeta } @display_cmd);
701 @display_cmd = ("$diff | $diff_filter");
702 }
703 @colored = run_cmd_pipe(@display_cmd);
705 }
706 my (@hunk) = { TEXT => [], DISPLAY => [], TYPE => 'header' };
707 for (my $i = 0; $i < @diff; $i++) {
709 if ($diff[$i] =~ /^@@ /) {
710 push @hunk, { TEXT => [], DISPLAY => [],
711 TYPE => 'hunk' };
712 }
713 push @{$hunk[-1]{TEXT}}, $diff[$i];
714 push @{$hunk[-1]{DISPLAY}},
715 (@colored ? $colored[$i] : $diff[$i]);
716 }
717 return @hunk;
718}
719sub parse_diff_header {
721 my $src = shift;
722 my $head = { TEXT => [], DISPLAY => [], TYPE => 'header' };
724 my $mode = { TEXT => [], DISPLAY => [], TYPE => 'mode' };
725 my $deletion = { TEXT => [], DISPLAY => [], TYPE => 'deletion' };
726 for (my $i = 0; $i < @{$src->{TEXT}}; $i++) {
728 my $dest =
729 $src->{TEXT}->[$i] =~ /^(old|new) mode (\d+)$/ ? $mode :
730 $src->{TEXT}->[$i] =~ /^deleted file/ ? $deletion :
731 $head;
732 push @{$dest->{TEXT}}, $src->{TEXT}->[$i];
733 push @{$dest->{DISPLAY}}, $src->{DISPLAY}->[$i];
734 }
735 return ($head, $mode, $deletion);
736}
737sub hunk_splittable {
739 my ($text) = @_;
740 my @s = split_hunk($text);
742 return (1 < @s);
743}
744sub parse_hunk_header {
746 my ($line) = @_;
747 my ($o_ofs, $o_cnt, $n_ofs, $n_cnt) =
748 $line =~ /^@@ -(\d+)(?:,(\d+))? \+(\d+)(?:,(\d+))? @@/;
749 $o_cnt = 1 unless defined $o_cnt;
750 $n_cnt = 1 unless defined $n_cnt;
751 return ($o_ofs, $o_cnt, $n_ofs, $n_cnt);
752}
753sub format_hunk_header {
755 my ($o_ofs, $o_cnt, $n_ofs, $n_cnt) = @_;
756 return ("@@ -$o_ofs" .
757 (($o_cnt != 1) ? ",$o_cnt" : '') .
758 " +$n_ofs" .
759 (($n_cnt != 1) ? ",$n_cnt" : '') .
760 " @@\n");
761}
762sub split_hunk {
764 my ($text, $display) = @_;
765 my @split = ();
766 if (!defined $display) {
767 $display = $text;
768 }
769 # If there are context lines in the middle of a hunk,
770 # it can be split, but we would need to take care of
771 # overlaps later.
772 my ($o_ofs, undef, $n_ofs) = parse_hunk_header($text->[0]);
774 my $hunk_start = 1;
775 OUTER:
777 while (1) {
778 my $next_hunk_start = undef;
779 my $i = $hunk_start - 1;
780 my $this = +{
781 TEXT => [],
782 DISPLAY => [],
783 TYPE => 'hunk',
784 OLD => $o_ofs,
785 NEW => $n_ofs,
786 OCNT => 0,
787 NCNT => 0,
788 ADDDEL => 0,
789 POSTCTX => 0,
790 USE => undef,
791 };
792 while (++$i < @$text) {
794 my $line = $text->[$i];
795 my $display = $display->[$i];
796 if ($line =~ /^ /) {
797 if ($this->{ADDDEL} &&
798 !defined $next_hunk_start) {
799 # We have seen leading context and
800 # adds/dels and then here is another
801 # context, which is trailing for this
802 # split hunk and leading for the next
803 # one.
804 $next_hunk_start = $i;
805 }
806 push @{$this->{TEXT}}, $line;
807 push @{$this->{DISPLAY}}, $display;
808 $this->{OCNT}++;
809 $this->{NCNT}++;
810 if (defined $next_hunk_start) {
811 $this->{POSTCTX}++;
812 }
813 next;
814 }
815 # add/del
817 if (defined $next_hunk_start) {
818 # We are done with the current hunk and
819 # this is the first real change for the
820 # next split one.
821 $hunk_start = $next_hunk_start;
822 $o_ofs = $this->{OLD} + $this->{OCNT};
823 $n_ofs = $this->{NEW} + $this->{NCNT};
824 $o_ofs -= $this->{POSTCTX};
825 $n_ofs -= $this->{POSTCTX};
826 push @split, $this;
827 redo OUTER;
828 }
829 push @{$this->{TEXT}}, $line;
830 push @{$this->{DISPLAY}}, $display;
831 $this->{ADDDEL}++;
832 if ($line =~ /^-/) {
833 $this->{OCNT}++;
834 }
835 else {
836 $this->{NCNT}++;
837 }
838 }
839 push @split, $this;
841 last;
842 }
843 for my $hunk (@split) {
845 $o_ofs = $hunk->{OLD};
846 $n_ofs = $hunk->{NEW};
847 my $o_cnt = $hunk->{OCNT};
848 my $n_cnt = $hunk->{NCNT};
849 my $head = format_hunk_header($o_ofs, $o_cnt, $n_ofs, $n_cnt);
851 my $display_head = $head;
852 unshift @{$hunk->{TEXT}}, $head;
853 if ($diff_use_color) {
854 $display_head = colored($fraginfo_color, $head);
855 }
856 unshift @{$hunk->{DISPLAY}}, $display_head;
857 }
858 return @split;
859}
860sub find_last_o_ctx {
862 my ($it) = @_;
863 my $text = $it->{TEXT};
864 my ($o_ofs, $o_cnt) = parse_hunk_header($text->[0]);
865 my $i = @{$text};
866 my $last_o_ctx = $o_ofs + $o_cnt;
867 while (0 < --$i) {
868 my $line = $text->[$i];
869 if ($line =~ /^ /) {
870 $last_o_ctx--;
871 next;
872 }
873 last;
874 }
875 return $last_o_ctx;
876}
877sub merge_hunk {
879 my ($prev, $this) = @_;
880 my ($o0_ofs, $o0_cnt, $n0_ofs, $n0_cnt) =
881 parse_hunk_header($prev->{TEXT}[0]);
882 my ($o1_ofs, $o1_cnt, $n1_ofs, $n1_cnt) =
883 parse_hunk_header($this->{TEXT}[0]);
884 my (@line, $i, $ofs, $o_cnt, $n_cnt);
886 $ofs = $o0_ofs;
887 $o_cnt = $n_cnt = 0;
888 for ($i = 1; $i < @{$prev->{TEXT}}; $i++) {
889 my $line = $prev->{TEXT}[$i];
890 if ($line =~ /^\+/) {
891 $n_cnt++;
892 push @line, $line;
893 next;
894 }
895 last if ($o1_ofs <= $ofs);
897 $o_cnt++;
899 $ofs++;
900 if ($line =~ /^ /) {
901 $n_cnt++;
902 }
903 push @line, $line;
904 }
905 for ($i = 1; $i < @{$this->{TEXT}}; $i++) {
907 my $line = $this->{TEXT}[$i];
908 if ($line =~ /^\+/) {
909 $n_cnt++;
910 push @line, $line;
911 next;
912 }
913 $ofs++;
914 $o_cnt++;
915 if ($line =~ /^ /) {
916 $n_cnt++;
917 }
918 push @line, $line;
919 }
920 my $head = format_hunk_header($o0_ofs, $o_cnt, $n0_ofs, $n_cnt);
921 @{$prev->{TEXT}} = ($head, @line);
922}
923sub coalesce_overlapping_hunks {
925 my (@in) = @_;
926 my @out = ();
927 my ($last_o_ctx, $last_was_dirty);
929 my $ofs_delta = 0;
930 for (@in) {
932 if ($_->{TYPE} ne 'hunk') {
933 push @out, $_;
934 next;
935 }
936 my $text = $_->{TEXT};
937 my ($o_ofs, $o_cnt, $n_ofs, $n_cnt) =
938 parse_hunk_header($text->[0]);
939 unless ($_->{USE}) {
940 $ofs_delta += $o_cnt - $n_cnt;
941 # If this hunk has been edited then subtract
942 # the delta that is due to the edit.
943 if ($_->{OFS_DELTA}) {
944 $ofs_delta -= $_->{OFS_DELTA};
945 }
946 next;
947 }
948 if ($ofs_delta) {
949 $n_ofs += $ofs_delta;
950 $_->{TEXT}->[0] = format_hunk_header($o_ofs, $o_cnt,
951 $n_ofs, $n_cnt);
952 }
953 # If this hunk was edited then adjust the offset delta
954 # to reflect the edit.
955 if ($_->{OFS_DELTA}) {
956 $ofs_delta += $_->{OFS_DELTA};
957 }
958 if (defined $last_o_ctx &&
959 $o_ofs <= $last_o_ctx &&
960 !$_->{DIRTY} &&
961 !$last_was_dirty) {
962 merge_hunk($out[-1], $_);
963 }
964 else {
965 push @out, $_;
966 }
967 $last_o_ctx = find_last_o_ctx($out[-1]);
968 $last_was_dirty = $_->{DIRTY};
969 }
970 return @out;
971}
972sub reassemble_patch {
974 my $head = shift;
975 my @patch;
976 # Include everything in the header except the beginning of the diff.
978 push @patch, (grep { !/^[-+]{3}/ } @$head);
979 # Then include any headers from the hunk lines, which must
981 # come before any actual hunk.
982 while (@_ && $_[0] !~ /^@/) {
983 push @patch, shift;
984 }
985 # Then begin the diff.
987 push @patch, grep { /^[-+]{3}/ } @$head;
988 # And then the actual hunks.
990 push @patch, @_;
991 return @patch;
993}
994sub color_diff {
996 return map {
997 colored((/^@/ ? $fraginfo_color :
998 /^\+/ ? $diff_new_color :
999 /^-/ ? $diff_old_color :
1000 $diff_plain_color),
1001 $_);
1002 } @_;
1003}
1004my %edit_hunk_manually_modes = (
1006 stage => N__(
1007"If the patch applies cleanly, the edited hunk will immediately be
1008marked for staging."),
1009 stash => N__(
1010"If the patch applies cleanly, the edited hunk will immediately be
1011marked for stashing."),
1012 reset_head => N__(
1013"If the patch applies cleanly, the edited hunk will immediately be
1014marked for unstaging."),
1015 reset_nothead => N__(
1016"If the patch applies cleanly, the edited hunk will immediately be
1017marked for applying."),
1018 checkout_index => N__(
1019"If the patch applies cleanly, the edited hunk will immediately be
1020marked for discarding."),
1021 checkout_head => N__(
1022"If the patch applies cleanly, the edited hunk will immediately be
1023marked for discarding."),
1024 checkout_nothead => N__(
1025"If the patch applies cleanly, the edited hunk will immediately be
1026marked for applying."),
1027);
1028sub recount_edited_hunk {
1030 local $_;
1031 my ($oldtext, $newtext) = @_;
1032 my ($o_cnt, $n_cnt) = (0, 0);
1033 for (@{$newtext}[1..$#{$newtext}]) {
1034 my $mode = substr($_, 0, 1);
1035 if ($mode eq '-') {
1036 $o_cnt++;
1037 } elsif ($mode eq '+') {
1038 $n_cnt++;
1039 } elsif ($mode eq ' ') {
1040 $o_cnt++;
1041 $n_cnt++;
1042 }
1043 }
1044 my ($o_ofs, undef, $n_ofs, undef) =
1045 parse_hunk_header($newtext->[0]);
1046 $newtext->[0] = format_hunk_header($o_ofs, $o_cnt, $n_ofs, $n_cnt);
1047 my (undef, $orig_o_cnt, undef, $orig_n_cnt) =
1048 parse_hunk_header($oldtext->[0]);
1049 # Return the change in the number of lines inserted by this hunk
1050 return $orig_o_cnt - $orig_n_cnt - $o_cnt + $n_cnt;
1051}
1052sub edit_hunk_manually {
1054 my ($oldtext) = @_;
1055 my $hunkfile = $repo->repo_path . "/addp-hunk-edit.diff";
1057 my $fh;
1058 open $fh, '>', $hunkfile
1059 or die sprintf(__("failed to open hunk edit file for writing: %s"), $!);
1060 print $fh Git::comment_lines __("Manual hunk edit mode -- see bottom for a quick guide.\n");
1061 print $fh @$oldtext;
1062 my $is_reverse = $patch_mode_flavour{IS_REVERSE};
1063 my ($remove_plus, $remove_minus) = $is_reverse ? ('-', '+') : ('+', '-');
1064 my $comment_line_char = Git::get_comment_line_char;
1065 print $fh Git::comment_lines sprintf(__ <<EOF, $remove_minus, $remove_plus, $comment_line_char),
1066---
1067To remove '%s' lines, make them ' ' lines (context).
1068To remove '%s' lines, delete them.
1069Lines starting with %s will be removed.
1070EOF
1071__($edit_hunk_manually_modes{$patch_mode}),
1072# TRANSLATORS: 'it' refers to the patch mentioned in the previous messages.
1073__ <<EOF2 ;
1074If it does not apply cleanly, you will be given an opportunity to
1075edit again. If all lines of the hunk are removed, then the edit is
1076aborted and the hunk is left unchanged.
1077EOF2
1078 close $fh;
1079 chomp(my $editor = run_cmd_pipe(qw(git var GIT_EDITOR)));
1081 system('sh', '-c', $editor.' "$@"', $editor, $hunkfile);
1082 if ($? != 0) {
1084 return undef;
1085 }
1086 open $fh, '<', $hunkfile
1088 or die sprintf(__("failed to open hunk edit file for reading: %s"), $!);
1089 my @newtext = grep { !/^\Q$comment_line_char\E/ } <$fh>;
1090 close $fh;
1091 unlink $hunkfile;
1092 # Abort if nothing remains
1094 if (!grep { /\S/ } @newtext) {
1095 return undef;
1096 }
1097 # Reinsert the first hunk header if the user accidentally deleted it
1099 if ($newtext[0] !~ /^@/) {
1100 unshift @newtext, $oldtext->[0];
1101 }
1102 return \@newtext;
1103}
1104sub diff_applies {
1106 return run_git_apply($patch_mode_flavour{APPLY_CHECK} . ' --check',
1107 map { @{$_->{TEXT}} } @_);
1108}
1109sub _restore_terminal_and_die {
1111 ReadMode 'restore';
1112 print "\n";
1113 exit 1;
1114}
1115sub prompt_single_character {
1117 if ($use_readkey) {
1118 local $SIG{TERM} = \&_restore_terminal_and_die;
1119 local $SIG{INT} = \&_restore_terminal_and_die;
1120 ReadMode 'cbreak';
1121 my $key = ReadKey 0;
1122 ReadMode 'restore';
1123 if ($use_termcap and $key eq "\e") {
1124 while (!defined $term_escapes{$key}) {
1125 my $next = ReadKey 0.5;
1126 last if (!defined $next);
1127 $key .= $next;
1128 }
1129 $key =~ s/\e/^[/;
1130 }
1131 print "$key" if defined $key;
1132 print "\n";
1133 return $key;
1134 } else {
1135 return <STDIN>;
1136 }
1137}
1138sub prompt_yesno {
1140 my ($prompt) = @_;
1141 while (1) {
1142 print colored $prompt_color, $prompt;
1143 my $line = prompt_single_character;
1144 return undef unless defined $line;
1145 return 0 if $line =~ /^n/i;
1146 return 1 if $line =~ /^y/i;
1147 }
1148}
1149sub edit_hunk_loop {
1151 my ($head, $hunks, $ix) = @_;
1152 my $hunk = $hunks->[$ix];
1153 my $text = $hunk->{TEXT};
1154 while (1) {
1156 my $newtext = edit_hunk_manually($text);
1157 if (!defined $newtext) {
1158 return undef;
1159 }
1160 my $newhunk = {
1161 TEXT => $newtext,
1162 TYPE => $hunk->{TYPE},
1163 USE => 1,
1164 DIRTY => 1,
1165 };
1166 $newhunk->{OFS_DELTA} = recount_edited_hunk($text, $newtext);
1167 # If this hunk has already been edited then add the
1168 # offset delta of the previous edit to get the real
1169 # delta from the original unedited hunk.
1170 $hunk->{OFS_DELTA} and
1171 $newhunk->{OFS_DELTA} += $hunk->{OFS_DELTA};
1172 if (diff_applies($head,
1173 @{$hunks}[0..$ix-1],
1174 $newhunk,
1175 @{$hunks}[$ix+1..$#{$hunks}])) {
1176 $newhunk->{DISPLAY} = [color_diff(@{$newtext})];
1177 return $newhunk;
1178 }
1179 else {
1180 prompt_yesno(
1181 # TRANSLATORS: do not translate [y/n]
1182 # The program will only accept that input
1183 # at this point.
1184 # Consider translating (saying "no" discards!) as
1185 # (saying "n" for "no" discards!) if the translation
1186 # of the word "no" does not start with n.
1187 __('Your edited hunk does not apply. Edit again '
1188 . '(saying "no" discards!) [y/n]? ')
1189 ) or return undef;
1190 }
1191 }
1192}
1193my %help_patch_modes = (
1195 stage => N__(
1196"y - stage this hunk
1197n - do not stage this hunk
1198q - quit; do not stage this hunk or any of the remaining ones
1199a - stage this hunk and all later hunks in the file
1200d - do not stage this hunk or any of the later hunks in the file"),
1201 stash => N__(
1202"y - stash this hunk
1203n - do not stash this hunk
1204q - quit; do not stash this hunk or any of the remaining ones
1205a - stash this hunk and all later hunks in the file
1206d - do not stash this hunk or any of the later hunks in the file"),
1207 reset_head => N__(
1208"y - unstage this hunk
1209n - do not unstage this hunk
1210q - quit; do not unstage this hunk or any of the remaining ones
1211a - unstage this hunk and all later hunks in the file
1212d - do not unstage this hunk or any of the later hunks in the file"),
1213 reset_nothead => N__(
1214"y - apply this hunk to index
1215n - do not apply this hunk to index
1216q - quit; do not apply this hunk or any of the remaining ones
1217a - apply this hunk and all later hunks in the file
1218d - do not apply this hunk or any of the later hunks in the file"),
1219 checkout_index => N__(
1220"y - discard this hunk from worktree
1221n - do not discard this hunk from worktree
1222q - quit; do not discard this hunk or any of the remaining ones
1223a - discard this hunk and all later hunks in the file
1224d - do not discard this hunk or any of the later hunks in the file"),
1225 checkout_head => N__(
1226"y - discard this hunk from index and worktree
1227n - do not discard this hunk from index and worktree
1228q - quit; do not discard this hunk or any of the remaining ones
1229a - discard this hunk and all later hunks in the file
1230d - do not discard this hunk or any of the later hunks in the file"),
1231 checkout_nothead => N__(
1232"y - apply this hunk to index and worktree
1233n - do not apply this hunk to index and worktree
1234q - quit; do not apply this hunk or any of the remaining ones
1235a - apply this hunk and all later hunks in the file
1236d - do not apply this hunk or any of the later hunks in the file"),
1237);
1238sub help_patch_cmd {
1240 print colored $help_color, __($help_patch_modes{$patch_mode}), "\n", __ <<EOF ;
1241g - select a hunk to go to
1242/ - search for a hunk matching the given regex
1243j - leave this hunk undecided, see next undecided hunk
1244J - leave this hunk undecided, see next hunk
1245k - leave this hunk undecided, see previous undecided hunk
1246K - leave this hunk undecided, see previous hunk
1247s - split the current hunk into smaller hunks
1248e - manually edit the current hunk
1249? - print help
1250EOF
1251}
1252sub apply_patch {
1254 my $cmd = shift;
1255 my $ret = run_git_apply $cmd, @_;
1256 if (!$ret) {
1257 print STDERR @_;
1258 }
1259 return $ret;
1260}
1261sub apply_patch_for_checkout_commit {
1263 my $reverse = shift;
1264 my $applies_index = run_git_apply 'apply '.$reverse.' --cached --check', @_;
1265 my $applies_worktree = run_git_apply 'apply '.$reverse.' --check', @_;
1266 if ($applies_worktree && $applies_index) {
1268 run_git_apply 'apply '.$reverse.' --cached', @_;
1269 run_git_apply 'apply '.$reverse, @_;
1270 return 1;
1271 } elsif (!$applies_index) {
1272 print colored $error_color, __("The selected hunks do not apply to the index!\n");
1273 if (prompt_yesno __("Apply them to the worktree anyway? ")) {
1274 return run_git_apply 'apply '.$reverse, @_;
1275 } else {
1276 print colored $error_color, __("Nothing was applied.\n");
1277 return 0;
1278 }
1279 } else {
1280 print STDERR @_;
1281 return 0;
1282 }
1283}
1284sub patch_update_cmd {
1286 my @all_mods = list_modified($patch_mode_flavour{FILTER});
1287 error_msg sprintf(__("ignoring unmerged: %s\n"), $_->{VALUE})
1288 for grep { $_->{UNMERGED} } @all_mods;
1289 @all_mods = grep { !$_->{UNMERGED} } @all_mods;
1290 my @mods = grep { !($_->{BINARY}) } @all_mods;
1292 my @them;
1293 if (!@mods) {
1295 if (@all_mods) {
1296 print STDERR __("Only binary files changed.\n");
1297 } else {
1298 print STDERR __("No changes.\n");
1299 }
1300 return 0;
1301 }
1302 if ($patch_mode_only) {
1303 @them = @mods;
1304 }
1305 else {
1306 @them = list_and_choose({ PROMPT => __('Patch update'),
1307 HEADER => $status_head, },
1308 @mods);
1309 }
1310 for (@them) {
1311 return 0 if patch_update_file($_->{VALUE});
1312 }
1313}
1314# Generate a one line summary of a hunk.
1316sub summarize_hunk {
1317 my $rhunk = shift;
1318 my $summary = $rhunk->{TEXT}[0];
1319 # Keep the line numbers, discard extra context.
1321 $summary =~ s/@@(.*?)@@.*/$1 /s;
1322 $summary .= " " x (20 - length $summary);
1323 # Add some user context.
1325 for my $line (@{$rhunk->{TEXT}}) {
1326 if ($line =~ m/^[+-].*\w/) {
1327 $summary .= $line;
1328 last;
1329 }
1330 }
1331 chomp $summary;
1333 return substr($summary, 0, 80) . "\n";
1334}
1335# Print a one-line summary of each hunk in the array ref in
1338# the first argument, starting with the index in the 2nd.
1339sub display_hunks {
1340 my ($hunks, $i) = @_;
1341 my $ctr = 0;
1342 $i ||= 0;
1343 for (; $i < @$hunks && $ctr < 20; $i++, $ctr++) {
1344 my $status = " ";
1345 if (defined $hunks->[$i]{USE}) {
1346 $status = $hunks->[$i]{USE} ? "+" : "-";
1347 }
1348 printf "%s%2d: %s",
1349 $status,
1350 $i + 1,
1351 summarize_hunk($hunks->[$i]);
1352 }
1353 return $i;
1354}
1355my %patch_update_prompt_modes = (
1357 stage => {
1358 mode => N__("Stage mode change [y,n,q,a,d,/%s,?]? "),
1359 deletion => N__("Stage deletion [y,n,q,a,d,/%s,?]? "),
1360 hunk => N__("Stage this hunk [y,n,q,a,d,/%s,?]? "),
1361 },
1362 stash => {
1363 mode => N__("Stash mode change [y,n,q,a,d,/%s,?]? "),
1364 deletion => N__("Stash deletion [y,n,q,a,d,/%s,?]? "),
1365 hunk => N__("Stash this hunk [y,n,q,a,d,/%s,?]? "),
1366 },
1367 reset_head => {
1368 mode => N__("Unstage mode change [y,n,q,a,d,/%s,?]? "),
1369 deletion => N__("Unstage deletion [y,n,q,a,d,/%s,?]? "),
1370 hunk => N__("Unstage this hunk [y,n,q,a,d,/%s,?]? "),
1371 },
1372 reset_nothead => {
1373 mode => N__("Apply mode change to index [y,n,q,a,d,/%s,?]? "),
1374 deletion => N__("Apply deletion to index [y,n,q,a,d,/%s,?]? "),
1375 hunk => N__("Apply this hunk to index [y,n,q,a,d,/%s,?]? "),
1376 },
1377 checkout_index => {
1378 mode => N__("Discard mode change from worktree [y,n,q,a,d,/%s,?]? "),
1379 deletion => N__("Discard deletion from worktree [y,n,q,a,d,/%s,?]? "),
1380 hunk => N__("Discard this hunk from worktree [y,n,q,a,d,/%s,?]? "),
1381 },
1382 checkout_head => {
1383 mode => N__("Discard mode change from index and worktree [y,n,q,a,d,/%s,?]? "),
1384 deletion => N__("Discard deletion from index and worktree [y,n,q,a,d,/%s,?]? "),
1385 hunk => N__("Discard this hunk from index and worktree [y,n,q,a,d,/%s,?]? "),
1386 },
1387 checkout_nothead => {
1388 mode => N__("Apply mode change to index and worktree [y,n,q,a,d,/%s,?]? "),
1389 deletion => N__("Apply deletion to index and worktree [y,n,q,a,d,/%s,?]? "),
1390 hunk => N__("Apply this hunk to index and worktree [y,n,q,a,d,/%s,?]? "),
1391 },
1392);
1393sub patch_update_file {
1395 my $quit = 0;
1396 my ($ix, $num);
1397 my $path = shift;
1398 my ($head, @hunk) = parse_diff($path);
1399 ($head, my $mode, my $deletion) = parse_diff_header($head);
1400 for (@{$head->{DISPLAY}}) {
1401 print;
1402 }
1403 if (@{$mode->{TEXT}}) {
1405 unshift @hunk, $mode;
1406 }
1407 if (@{$deletion->{TEXT}}) {
1408 foreach my $hunk (@hunk) {
1409 push @{$deletion->{TEXT}}, @{$hunk->{TEXT}};
1410 push @{$deletion->{DISPLAY}}, @{$hunk->{DISPLAY}};
1411 }
1412 @hunk = ($deletion);
1413 }
1414 $num = scalar @hunk;
1416 $ix = 0;
1417 while (1) {
1419 my ($prev, $next, $other, $undecided, $i);
1420 $other = '';
1421 if ($num <= $ix) {
1423 $ix = 0;
1424 }
1425 for ($i = 0; $i < $ix; $i++) {
1426 if (!defined $hunk[$i]{USE}) {
1427 $prev = 1;
1428 $other .= ',k';
1429 last;
1430 }
1431 }
1432 if ($ix) {
1433 $other .= ',K';
1434 }
1435 for ($i = $ix + 1; $i < $num; $i++) {
1436 if (!defined $hunk[$i]{USE}) {
1437 $next = 1;
1438 $other .= ',j';
1439 last;
1440 }
1441 }
1442 if ($ix < $num - 1) {
1443 $other .= ',J';
1444 }
1445 if ($num > 1) {
1446 $other .= ',g';
1447 }
1448 for ($i = 0; $i < $num; $i++) {
1449 if (!defined $hunk[$i]{USE}) {
1450 $undecided = 1;
1451 last;
1452 }
1453 }
1454 last if (!$undecided);
1455 if ($hunk[$ix]{TYPE} eq 'hunk' &&
1457 hunk_splittable($hunk[$ix]{TEXT})) {
1458 $other .= ',s';
1459 }
1460 if ($hunk[$ix]{TYPE} eq 'hunk') {
1461 $other .= ',e';
1462 }
1463 for (@{$hunk[$ix]{DISPLAY}}) {
1464 print;
1465 }
1466 print colored $prompt_color,
1467 sprintf(__($patch_update_prompt_modes{$patch_mode}{$hunk[$ix]{TYPE}}), $other);
1468 my $line = prompt_single_character;
1470 last unless defined $line;
1471 if ($line) {
1472 if ($line =~ /^y/i) {
1473 $hunk[$ix]{USE} = 1;
1474 }
1475 elsif ($line =~ /^n/i) {
1476 $hunk[$ix]{USE} = 0;
1477 }
1478 elsif ($line =~ /^a/i) {
1479 while ($ix < $num) {
1480 if (!defined $hunk[$ix]{USE}) {
1481 $hunk[$ix]{USE} = 1;
1482 }
1483 $ix++;
1484 }
1485 next;
1486 }
1487 elsif ($other =~ /g/ && $line =~ /^g(.*)/) {
1488 my $response = $1;
1489 my $no = $ix > 10 ? $ix - 10 : 0;
1490 while ($response eq '') {
1491 $no = display_hunks(\@hunk, $no);
1492 if ($no < $num) {
1493 print __("go to which hunk (<ret> to see more)? ");
1494 } else {
1495 print __("go to which hunk? ");
1496 }
1497 $response = <STDIN>;
1498 if (!defined $response) {
1499 $response = '';
1500 }
1501 chomp $response;
1502 }
1503 if ($response !~ /^\s*\d+\s*$/) {
1504 error_msg sprintf(__("Invalid number: '%s'\n"),
1505 $response);
1506 } elsif (0 < $response && $response <= $num) {
1507 $ix = $response - 1;
1508 } else {
1509 error_msg sprintf(__n("Sorry, only %d hunk available.\n",
1510 "Sorry, only %d hunks available.\n", $num), $num);
1511 }
1512 next;
1513 }
1514 elsif ($line =~ /^d/i) {
1515 while ($ix < $num) {
1516 if (!defined $hunk[$ix]{USE}) {
1517 $hunk[$ix]{USE} = 0;
1518 }
1519 $ix++;
1520 }
1521 next;
1522 }
1523 elsif ($line =~ /^q/i) {
1524 for ($i = 0; $i < $num; $i++) {
1525 if (!defined $hunk[$i]{USE}) {
1526 $hunk[$i]{USE} = 0;
1527 }
1528 }
1529 $quit = 1;
1530 last;
1531 }
1532 elsif ($line =~ m|^/(.*)|) {
1533 my $regex = $1;
1534 if ($1 eq "") {
1535 print colored $prompt_color, __("search for regex? ");
1536 $regex = <STDIN>;
1537 if (defined $regex) {
1538 chomp $regex;
1539 }
1540 }
1541 my $search_string;
1542 eval {
1543 $search_string = qr{$regex}m;
1544 };
1545 if ($@) {
1546 my ($err,$exp) = ($@, $1);
1547 $err =~ s/ at .*git-add--interactive line \d+, <STDIN> line \d+.*$//;
1548 error_msg sprintf(__("Malformed search regexp %s: %s\n"), $exp, $err);
1549 next;
1550 }
1551 my $iy = $ix;
1552 while (1) {
1553 my $text = join ("", @{$hunk[$iy]{TEXT}});
1554 last if ($text =~ $search_string);
1555 $iy++;
1556 $iy = 0 if ($iy >= $num);
1557 if ($ix == $iy) {
1558 error_msg __("No hunk matches the given pattern\n");
1559 last;
1560 }
1561 }
1562 $ix = $iy;
1563 next;
1564 }
1565 elsif ($line =~ /^K/) {
1566 if ($other =~ /K/) {
1567 $ix--;
1568 }
1569 else {
1570 error_msg __("No previous hunk\n");
1571 }
1572 next;
1573 }
1574 elsif ($line =~ /^J/) {
1575 if ($other =~ /J/) {
1576 $ix++;
1577 }
1578 else {
1579 error_msg __("No next hunk\n");
1580 }
1581 next;
1582 }
1583 elsif ($line =~ /^k/) {
1584 if ($other =~ /k/) {
1585 while (1) {
1586 $ix--;
1587 last if (!$ix ||
1588 !defined $hunk[$ix]{USE});
1589 }
1590 }
1591 else {
1592 error_msg __("No previous hunk\n");
1593 }
1594 next;
1595 }
1596 elsif ($line =~ /^j/) {
1597 if ($other !~ /j/) {
1598 error_msg __("No next hunk\n");
1599 next;
1600 }
1601 }
1602 elsif ($other =~ /s/ && $line =~ /^s/) {
1603 my @split = split_hunk($hunk[$ix]{TEXT}, $hunk[$ix]{DISPLAY});
1604 if (1 < @split) {
1605 print colored $header_color, sprintf(
1606 __n("Split into %d hunk.\n",
1607 "Split into %d hunks.\n",
1608 scalar(@split)), scalar(@split));
1609 }
1610 splice (@hunk, $ix, 1, @split);
1611 $num = scalar @hunk;
1612 next;
1613 }
1614 elsif ($other =~ /e/ && $line =~ /^e/) {
1615 my $newhunk = edit_hunk_loop($head, \@hunk, $ix);
1616 if (defined $newhunk) {
1617 splice @hunk, $ix, 1, $newhunk;
1618 }
1619 }
1620 else {
1621 help_patch_cmd($other);
1622 next;
1623 }
1624 # soft increment
1625 while (1) {
1626 $ix++;
1627 last if ($ix >= $num ||
1628 !defined $hunk[$ix]{USE});
1629 }
1630 }
1631 }
1632 @hunk = coalesce_overlapping_hunks(@hunk);
1634 my $n_lofs = 0;
1636 my @result = ();
1637 for (@hunk) {
1638 if ($_->{USE}) {
1639 push @result, @{$_->{TEXT}};
1640 }
1641 }
1642 if (@result) {
1644 my @patch = reassemble_patch($head->{TEXT}, @result);
1645 my $apply_routine = $patch_mode_flavour{APPLY};
1646 &$apply_routine(@patch);
1647 refresh();
1648 }
1649 print "\n";
1651 return $quit;
1652}
1653sub diff_cmd {
1655 my @mods = list_modified('index-only');
1656 @mods = grep { !($_->{BINARY}) } @mods;
1657 return if (!@mods);
1658 my (@them) = list_and_choose({ PROMPT => __('Review diff'),
1659 IMMEDIATE => 1,
1660 HEADER => $status_head, },
1661 @mods);
1662 return if (!@them);
1663 my $reference = (is_initial_commit()) ? get_empty_tree() : 'HEAD';
1664 system(qw(git diff -p --cached), $reference, '--',
1665 map { $_->{VALUE} } @them);
1666}
1667sub quit_cmd {
1669 print __("Bye.\n");
1670 exit(0);
1671}
1672sub help_cmd {
1674# TRANSLATORS: please do not translate the command names
1675# 'status', 'update', 'revert', etc.
1676 print colored $help_color, __ <<'EOF' ;
1677status - show paths with changes
1678update - add working tree state to the staged set of changes
1679revert - revert staged set of changes back to the HEAD version
1680patch - pick hunks and update selectively
1681diff - view diff between HEAD and index
1682add untracked - add contents of untracked files to the staged set of changes
1683EOF
1684}
1685sub process_args {
1687 return unless @ARGV;
1688 my $arg = shift @ARGV;
1689 if ($arg =~ /--patch(?:=(.*))?/) {
1690 if (defined $1) {
1691 if ($1 eq 'reset') {
1692 $patch_mode = 'reset_head';
1693 $patch_mode_revision = 'HEAD';
1694 $arg = shift @ARGV or die __("missing --");
1695 if ($arg ne '--') {
1696 $patch_mode_revision = $arg;
1697 $patch_mode = ($arg eq 'HEAD' ?
1698 'reset_head' : 'reset_nothead');
1699 $arg = shift @ARGV or die __("missing --");
1700 }
1701 } elsif ($1 eq 'checkout') {
1702 $arg = shift @ARGV or die __("missing --");
1703 if ($arg eq '--') {
1704 $patch_mode = 'checkout_index';
1705 } else {
1706 $patch_mode_revision = $arg;
1707 $patch_mode = ($arg eq 'HEAD' ?
1708 'checkout_head' : 'checkout_nothead');
1709 $arg = shift @ARGV or die __("missing --");
1710 }
1711 } elsif ($1 eq 'stage' or $1 eq 'stash') {
1712 $patch_mode = $1;
1713 $arg = shift @ARGV or die __("missing --");
1714 } else {
1715 die sprintf(__("unknown --patch mode: %s"), $1);
1716 }
1717 } else {
1718 $patch_mode = 'stage';
1719 $arg = shift @ARGV or die __("missing --");
1720 }
1721 die sprintf(__("invalid argument %s, expecting --"),
1722 $arg) unless $arg eq "--";
1723 %patch_mode_flavour = %{$patch_modes{$patch_mode}};
1724 $patch_mode_only = 1;
1725 }
1726 elsif ($arg ne "--") {
1727 die sprintf(__("invalid argument %s, expecting --"), $arg);
1728 }
1729}
1730sub main_loop {
1732 my @cmd = ([ 'status', \&status_cmd, ],
1733 [ 'update', \&update_cmd, ],
1734 [ 'revert', \&revert_cmd, ],
1735 [ 'add untracked', \&add_untracked_cmd, ],
1736 [ 'patch', \&patch_update_cmd, ],
1737 [ 'diff', \&diff_cmd, ],
1738 [ 'quit', \&quit_cmd, ],
1739 [ 'help', \&help_cmd, ],
1740 );
1741 while (1) {
1742 my ($it) = list_and_choose({ PROMPT => __('What now'),
1743 SINGLETON => 1,
1744 LIST_FLAT => 4,
1745 HEADER => __('*** Commands ***'),
1746 ON_EOF => \&quit_cmd,
1747 IMMEDIATE => 1 }, @cmd);
1748 if ($it) {
1749 eval {
1750 $it->[1]->();
1751 };
1752 if ($@) {
1753 print "$@";
1754 }
1755 }
1756 }
1757}
1758process_args();
1760refresh();
1761if ($patch_mode_only) {
1762 patch_update_cmd();
1763}
1764else {
1765 status_cmd();
1766 main_loop();
1767}