8 binmode(STDOUT, ":raw");
10 my $repo = Git->repository();
12 my $menu_use_color = $repo->get_colorbool('color.interactive');
13 my ($prompt_color, $header_color, $help_color) =
15 $repo->get_color('color.interactive.prompt', 'bold blue'),
16 $repo->get_color('color.interactive.header', 'bold'),
17 $repo->get_color('color.interactive.help', 'red bold'),
20 if ($menu_use_color) {
21 my $help_color_spec = ($repo->config('color.interactive.help') or
23 $error_color = $repo->get_color('color.interactive.error',
27 my $diff_use_color = $repo->get_colorbool('color.diff');
28 my ($fraginfo_color) =
30 $repo->get_color('color.diff.frag', 'cyan'),
32 my ($diff_plain_color) =
34 $repo->get_color('color.diff.plain', ''),
36 my ($diff_old_color) =
38 $repo->get_color('color.diff.old', 'red'),
40 my ($diff_new_color) =
42 $repo->get_color('color.diff.new', 'green'),
45 my $normal_color = $repo->get_color("", "reset");
53 if ($repo->config_bool("interactive.singlekey")) {
55 require Term::ReadKey;
56 Term::ReadKey->import;
61 my $termcap = Term::Cap->Tgetent;
62 foreach (values %$termcap) {
63 $term_escapes{$_} = 1 if /^\e/;
71 my $string = join("", @_);
74 # Put a color code at the beginning of each line, a reset at the end
75 # color after newlines that are not at the end of the string
76 $string =~ s/(\n+)(.)/$1$color$2/g;
77 # reset before newlines
78 $string =~ s/(\n+)/$normal_color$1/g;
79 # codes at beginning and end (if necessary):
80 $string =~ s/^/$color/;
81 $string =~ s/$/$normal_color/ unless $string =~ /\n$/;
86 # command line options
88 my $patch_mode_revision;
91 sub apply_patch_for_checkout_commit;
92 sub apply_patch_for_stash;
96 DIFF => 'diff-files -p',
97 APPLY => sub { apply_patch 'apply --cached', @_; },
98 APPLY_CHECK => 'apply --cached',
101 PARTICIPLE => 'staging',
102 FILTER => 'file-only',
106 DIFF => 'diff-index -p HEAD',
107 APPLY => sub { apply_patch 'apply --cached', @_; },
108 APPLY_CHECK => 'apply --cached',
111 PARTICIPLE => 'stashing',
116 DIFF => 'diff-index -p --cached',
117 APPLY => sub { apply_patch 'apply -R --cached', @_; },
118 APPLY_CHECK => 'apply -R --cached',
121 PARTICIPLE => 'unstaging',
122 FILTER => 'index-only',
126 DIFF => 'diff-index -R -p --cached',
127 APPLY => sub { apply_patch 'apply --cached', @_; },
128 APPLY_CHECK => 'apply --cached',
130 TARGET => ' to index',
131 PARTICIPLE => 'applying',
132 FILTER => 'index-only',
135 'checkout_index' => {
136 DIFF => 'diff-files -p',
137 APPLY => sub { apply_patch 'apply -R', @_; },
138 APPLY_CHECK => 'apply -R',
140 TARGET => ' from worktree',
141 PARTICIPLE => 'discarding',
142 FILTER => 'file-only',
146 DIFF => 'diff-index -p',
147 APPLY => sub { apply_patch_for_checkout_commit '-R', @_ },
148 APPLY_CHECK => 'apply -R',
150 TARGET => ' from index and worktree',
151 PARTICIPLE => 'discarding',
155 'checkout_nothead' => {
156 DIFF => 'diff-index -R -p',
157 APPLY => sub { apply_patch_for_checkout_commit '', @_ },
158 APPLY_CHECK => 'apply',
160 TARGET => ' to index and worktree',
161 PARTICIPLE => 'applying',
167 my %patch_mode_flavour = %{$patch_modes{stage}};
170 if ($^O eq 'MSWin32' || $^O eq 'msys') {
171 my @invalid = grep {m/[":*]/} @_;
172 die "$^O does not support: @invalid\n" if @invalid;
173 my @args = map { m/ /o ? "\"$_\"": $_ } @_;
177 open($fh, '-|', @_) or die;
182 my ($GIT_DIR) = run_cmd_pipe(qw(git rev-parse --git-dir));
184 if (!defined $GIT_DIR) {
185 exit(1); # rev-parse would have already said "not a git repo"
202 my ($retval, $remainder);
203 if (!/^\042(.*)\042$/) {
206 ($_, $retval) = ($1, "");
207 while (/^([^\\]*)\\(.*)$/) {
211 if (/^([0-3][0-7][0-7])(.*)$/) {
212 $retval .= chr(oct($1));
216 if (/^([\\\042btnvfr])(.*)$/) {
217 $retval .= $cquote_map{$1};
221 # This is malformed -- just return it as-is for now.
232 open $fh, 'git update-index --refresh |'
235 ;# ignore 'needs update'
245 run_cmd_pipe(qw(git ls-files --others --exclude-standard --), @ARGV);
248 my $status_fmt = '%12s %12s %s';
249 my $status_head = sprintf($status_fmt, 'staged', 'unstaged', 'path');
253 sub is_initial_commit {
254 $initial = system('git rev-parse HEAD -- >/dev/null 2>&1') != 0
255 unless defined $initial;
261 return '4b825dc642cb6eb9a060e54bf8d69288fbee4904';
264 # Returns list of hashes, contents of each of which are:
266 # BINARY: is a binary path
267 # INDEX: is index different from HEAD?
268 # FILE: is file different from index?
269 # INDEX_ADDDEL: is it add/delete between HEAD and index?
270 # FILE_ADDDEL: is it add/delete between index and file?
275 my ($add, $del, $adddel, $file);
282 } run_cmd_pipe(qw(git ls-files --), @ARGV);
283 return if (!@tracked);
287 if (defined $patch_mode_revision and $patch_mode_revision ne 'HEAD') {
288 $reference = $patch_mode_revision;
289 } elsif (is_initial_commit()) {
290 $reference = get_empty_tree();
294 for (run_cmd_pipe(qw(git diff-index --cached
295 --numstat --summary), $reference,
297 if (($add, $del, $file) =
298 /^([-\d]+) ([-\d]+) (.*)/) {
300 $file = unquote_path($file);
301 if ($add eq '-' && $del eq '-') {
306 $change = "+$add/-$del";
314 elsif (($adddel, $file) =
315 /^ (create|delete) mode [0-7]+ (.*)$/) {
316 $file = unquote_path($file);
317 $data{$file}{INDEX_ADDDEL} = $adddel;
321 for (run_cmd_pipe(qw(git diff-files --numstat --summary --), @tracked)) {
322 if (($add, $del, $file) =
323 /^([-\d]+) ([-\d]+) (.*)/) {
324 $file = unquote_path($file);
325 if (!exists $data{$file}) {
327 INDEX => 'unchanged',
332 if ($add eq '-' && $del eq '-') {
337 $change = "+$add/-$del";
339 $data{$file}{FILE} = $change;
341 $data{$file}{BINARY} = 1;
344 elsif (($adddel, $file) =
345 /^ (create|delete) mode [0-7]+ (.*)$/) {
346 $file = unquote_path($file);
347 $data{$file}{FILE_ADDDEL} = $adddel;
351 for (sort keys %data) {
355 if ($only eq 'index-only') {
356 next if ($it->{INDEX} eq 'unchanged');
358 if ($only eq 'file-only') {
359 next if ($it->{FILE} eq 'nothing');
371 my ($string, @stuff) = @_;
373 for (my $i = 0; $i < @stuff; $i++) {
377 if ((ref $it) eq 'ARRAY') {
385 if ($it =~ /^$string/) {
389 if (defined $hit && defined $found) {
399 # inserts string into trie and updates count for each character
401 my ($trie, $string) = @_;
402 foreach (split //, $string) {
403 $trie = $trie->{$_} ||= {COUNT => 0};
408 # returns an array of tuples (prefix, remainder)
409 sub find_unique_prefixes {
413 # any single prefix exceeding the soft limit is omitted
414 # if any prefix exceeds the hard limit all are omitted
415 # 0 indicates no limit
419 # build a trie modelling all possible options
421 foreach my $print (@stuff) {
422 if ((ref $print) eq 'ARRAY') {
423 $print = $print->[0];
425 elsif ((ref $print) eq 'HASH') {
426 $print = $print->{VALUE};
428 update_trie(\%trie, $print);
429 push @return, $print;
432 # use the trie to find the unique prefixes
433 for (my $i = 0; $i < @return; $i++) {
434 my $ret = $return[$i];
435 my @letters = split //, $ret;
437 my ($prefix, $remainder);
439 for ($j = 0; $j < @letters; $j++) {
440 my $letter = $letters[$j];
441 if ($search{$letter}{COUNT} == 1) {
442 $prefix = substr $ret, 0, $j + 1;
443 $remainder = substr $ret, $j + 1;
447 my $prefix = substr $ret, 0, $j;
449 if ($hard_limit && $j + 1 > $hard_limit);
451 %search = %{$search{$letter}};
453 if (ord($letters[0]) > 127 ||
454 ($soft_limit && $j + 1 > $soft_limit)) {
458 $return[$i] = [$prefix, $remainder];
463 # filters out prefixes which have special meaning to list_and_choose()
464 sub is_valid_prefix {
466 return (defined $prefix) &&
467 !($prefix =~ /[\s,]/) && # separators
468 !($prefix =~ /^-/) && # deselection
469 !($prefix =~ /^\d+/) && # selection
470 ($prefix ne '*') && # "all" wildcard
471 ($prefix ne '?'); # prompt help
474 # given a prefix/remainder tuple return a string with the prefix highlighted
475 # for now use square brackets; later might use ANSI colors (underline, bold)
476 sub highlight_prefix {
478 my $remainder = shift;
480 if (!defined $prefix) {
484 if (!is_valid_prefix($prefix)) {
485 return "$prefix$remainder";
488 if (!$menu_use_color) {
489 return "[$prefix]$remainder";
492 return "$prompt_color$prefix$normal_color$remainder";
496 print STDERR colored $error_color, @_;
499 sub list_and_choose {
500 my ($opts, @stuff) = @_;
501 my (@chosen, @return);
503 my @prefixes = find_unique_prefixes(@stuff) unless $opts->{LIST_ONLY};
509 if ($opts->{HEADER}) {
510 if (!$opts->{LIST_FLAT}) {
513 print colored $header_color, "$opts->{HEADER}\n";
515 for ($i = 0; $i < @stuff; $i++) {
516 my $chosen = $chosen[$i] ? '*' : ' ';
517 my $print = $stuff[$i];
518 my $ref = ref $print;
519 my $highlighted = highlight_prefix(@{$prefixes[$i]})
521 if ($ref eq 'ARRAY') {
522 $print = $highlighted || $print->[0];
524 elsif ($ref eq 'HASH') {
525 my $value = $highlighted || $print->{VALUE};
526 $print = sprintf($status_fmt,
532 $print = $highlighted || $print;
534 printf("%s%2d: %s", $chosen, $i+1, $print);
535 if (($opts->{LIST_FLAT}) &&
536 (($i + 1) % ($opts->{LIST_FLAT}))) {
549 return if ($opts->{LIST_ONLY});
551 print colored $prompt_color, $opts->{PROMPT};
552 if ($opts->{SINGLETON}) {
561 $opts->{ON_EOF}->() if $opts->{ON_EOF};
568 singleton_prompt_help_cmd() :
572 for my $choice (split(/[\s,]+/, $line)) {
576 # Input that begins with '-'; unchoose
577 if ($choice =~ s/^-//) {
580 # A range can be specified like 5-7 or 5-.
581 if ($choice =~ /^(\d+)-(\d*)$/) {
582 ($bottom, $top) = ($1, length($2) ? $2 : 1 + @stuff);
584 elsif ($choice =~ /^\d+$/) {
585 $bottom = $top = $choice;
587 elsif ($choice eq '*') {
592 $bottom = $top = find_unique($choice, @stuff);
593 if (!defined $bottom) {
594 error_msg "Huh ($choice)?\n";
598 if ($opts->{SINGLETON} && $bottom != $top) {
599 error_msg "Huh ($choice)?\n";
602 for ($i = $bottom-1; $i <= $top-1; $i++) {
603 next if (@stuff <= $i || $i < 0);
604 $chosen[$i] = $choose;
607 last if ($opts->{IMMEDIATE} || $line eq '*');
609 for ($i = 0; $i < @stuff; $i++) {
611 push @return, $stuff[$i];
617 sub singleton_prompt_help_cmd {
618 print colored $help_color, <<\EOF ;
620 1 - select a numbered item
621 foo - select item based on unique prefix
622 - (empty) select nothing
626 sub prompt_help_cmd {
627 print colored $help_color, <<\EOF ;
629 1 - select a single item
630 3-5 - select a range of items
631 2-3,6-9 - select multiple ranges
632 foo - select item based on unique prefix
633 -... - unselect specified items
635 - (empty) finish selecting
640 list_and_choose({ LIST_ONLY => 1, HEADER => $status_head },
650 print "$cnt paths\n";
658 my @mods = list_modified('file-only');
661 my @update = list_and_choose({ PROMPT => 'Update',
662 HEADER => $status_head, },
665 system(qw(git update-index --add --remove --),
666 map { $_->{VALUE} } @update);
667 say_n_paths('updated', @update);
673 my @update = list_and_choose({ PROMPT => 'Revert',
674 HEADER => $status_head, },
677 if (is_initial_commit()) {
678 system(qw(git rm --cached),
679 map { $_->{VALUE} } @update);
682 my @lines = run_cmd_pipe(qw(git ls-tree HEAD --),
683 map { $_->{VALUE} } @update);
685 open $fh, '| git update-index --index-info'
692 if ($_->{INDEX_ADDDEL} &&
693 $_->{INDEX_ADDDEL} eq 'create') {
694 system(qw(git update-index --force-remove --),
696 print "note: $_->{VALUE} is untracked now.\n";
701 say_n_paths('reverted', @update);
706 sub add_untracked_cmd {
707 my @add = list_and_choose({ PROMPT => 'Add untracked' },
710 system(qw(git update-index --add --), @add);
711 say_n_paths('added', @add);
719 open $fh, '| git ' . $cmd . " --recount --allow-overlap";
726 my @diff_cmd = split(" ", $patch_mode_flavour{DIFF});
727 if (defined $patch_mode_revision) {
728 push @diff_cmd, $patch_mode_revision;
730 my @diff = run_cmd_pipe("git", @diff_cmd, "--", $path);
732 if ($diff_use_color) {
733 @colored = run_cmd_pipe("git", @diff_cmd, qw(--color --), $path);
735 my (@hunk) = { TEXT => [], DISPLAY => [], TYPE => 'header' };
737 for (my $i = 0; $i < @diff; $i++) {
738 if ($diff[$i] =~ /^@@ /) {
739 push @hunk, { TEXT => [], DISPLAY => [],
742 push @{$hunk[-1]{TEXT}}, $diff[$i];
743 push @{$hunk[-1]{DISPLAY}},
744 ($diff_use_color ? $colored[$i] : $diff[$i]);
749 sub parse_diff_header {
752 my $head = { TEXT => [], DISPLAY => [], TYPE => 'header' };
753 my $mode = { TEXT => [], DISPLAY => [], TYPE => 'mode' };
754 my $deletion = { TEXT => [], DISPLAY => [], TYPE => 'deletion' };
756 for (my $i = 0; $i < @{$src->{TEXT}}; $i++) {
758 $src->{TEXT}->[$i] =~ /^(old|new) mode (\d+)$/ ? $mode :
759 $src->{TEXT}->[$i] =~ /^deleted file/ ? $deletion :
761 push @{$dest->{TEXT}}, $src->{TEXT}->[$i];
762 push @{$dest->{DISPLAY}}, $src->{DISPLAY}->[$i];
764 return ($head, $mode, $deletion);
767 sub hunk_splittable {
770 my @s = split_hunk($text);
774 sub parse_hunk_header {
776 my ($o_ofs, $o_cnt, $n_ofs, $n_cnt) =
777 $line =~ /^@@ -(\d+)(?:,(\d+))? \+(\d+)(?:,(\d+))? @@/;
778 $o_cnt = 1 unless defined $o_cnt;
779 $n_cnt = 1 unless defined $n_cnt;
780 return ($o_ofs, $o_cnt, $n_ofs, $n_cnt);
784 my ($text, $display) = @_;
786 if (!defined $display) {
789 # If there are context lines in the middle of a hunk,
790 # it can be split, but we would need to take care of
793 my ($o_ofs, undef, $n_ofs) = parse_hunk_header($text->[0]);
798 my $next_hunk_start = undef;
799 my $i = $hunk_start - 1;
813 while (++$i < @$text) {
814 my $line = $text->[$i];
815 my $display = $display->[$i];
817 if ($this->{ADDDEL} &&
818 !defined $next_hunk_start) {
819 # We have seen leading context and
820 # adds/dels and then here is another
821 # context, which is trailing for this
822 # split hunk and leading for the next
824 $next_hunk_start = $i;
826 push @{$this->{TEXT}}, $line;
827 push @{$this->{DISPLAY}}, $display;
830 if (defined $next_hunk_start) {
837 if (defined $next_hunk_start) {
838 # We are done with the current hunk and
839 # this is the first real change for the
841 $hunk_start = $next_hunk_start;
842 $o_ofs = $this->{OLD} + $this->{OCNT};
843 $n_ofs = $this->{NEW} + $this->{NCNT};
844 $o_ofs -= $this->{POSTCTX};
845 $n_ofs -= $this->{POSTCTX};
849 push @{$this->{TEXT}}, $line;
850 push @{$this->{DISPLAY}}, $display;
864 for my $hunk (@split) {
865 $o_ofs = $hunk->{OLD};
866 $n_ofs = $hunk->{NEW};
867 my $o_cnt = $hunk->{OCNT};
868 my $n_cnt = $hunk->{NCNT};
870 my $head = ("@@ -$o_ofs" .
871 (($o_cnt != 1) ? ",$o_cnt" : '') .
873 (($n_cnt != 1) ? ",$n_cnt" : '') .
875 my $display_head = $head;
876 unshift @{$hunk->{TEXT}}, $head;
877 if ($diff_use_color) {
878 $display_head = colored($fraginfo_color, $head);
880 unshift @{$hunk->{DISPLAY}}, $display_head;
885 sub find_last_o_ctx {
887 my $text = $it->{TEXT};
888 my ($o_ofs, $o_cnt) = parse_hunk_header($text->[0]);
890 my $last_o_ctx = $o_ofs + $o_cnt;
892 my $line = $text->[$i];
903 my ($prev, $this) = @_;
904 my ($o0_ofs, $o0_cnt, $n0_ofs, $n0_cnt) =
905 parse_hunk_header($prev->{TEXT}[0]);
906 my ($o1_ofs, $o1_cnt, $n1_ofs, $n1_cnt) =
907 parse_hunk_header($this->{TEXT}[0]);
909 my (@line, $i, $ofs, $o_cnt, $n_cnt);
912 for ($i = 1; $i < @{$prev->{TEXT}}; $i++) {
913 my $line = $prev->{TEXT}[$i];
914 if ($line =~ /^\+/) {
920 last if ($o1_ofs <= $ofs);
930 for ($i = 1; $i < @{$this->{TEXT}}; $i++) {
931 my $line = $this->{TEXT}[$i];
932 if ($line =~ /^\+/) {
944 my $head = ("@@ -$o0_ofs" .
945 (($o_cnt != 1) ? ",$o_cnt" : '') .
947 (($n_cnt != 1) ? ",$n_cnt" : '') .
949 @{$prev->{TEXT}} = ($head, @line);
952 sub coalesce_overlapping_hunks {
956 my ($last_o_ctx, $last_was_dirty);
958 for (grep { $_->{USE} } @in) {
959 if ($_->{TYPE} ne 'hunk') {
963 my $text = $_->{TEXT};
964 my ($o_ofs) = parse_hunk_header($text->[0]);
965 if (defined $last_o_ctx &&
966 $o_ofs <= $last_o_ctx &&
969 merge_hunk($out[-1], $_);
974 $last_o_ctx = find_last_o_ctx($out[-1]);
975 $last_was_dirty = $_->{DIRTY};
980 sub reassemble_patch {
984 # Include everything in the header except the beginning of the diff.
985 push @patch, (grep { !/^[-+]{3}/ } @$head);
987 # Then include any headers from the hunk lines, which must
988 # come before any actual hunk.
989 while (@_ && $_[0] !~ /^@/) {
993 # Then begin the diff.
994 push @patch, grep { /^[-+]{3}/ } @$head;
996 # And then the actual hunks.
1004 colored((/^@/ ? $fraginfo_color :
1005 /^\+/ ? $diff_new_color :
1006 /^-/ ? $diff_old_color :
1012 sub edit_hunk_manually {
1015 my $hunkfile = $repo->repo_path . "/addp-hunk-edit.diff";
1017 open $fh, '>', $hunkfile
1018 or die "failed to open hunk edit file for writing: " . $!;
1019 print $fh "# Manual hunk edit mode -- see bottom for a quick guide\n";
1020 print $fh @$oldtext;
1021 my $participle = $patch_mode_flavour{PARTICIPLE};
1022 my $is_reverse = $patch_mode_flavour{IS_REVERSE};
1023 my ($remove_plus, $remove_minus) = $is_reverse ? ('-', '+') : ('+', '-');
1026 # To remove '$remove_minus' lines, make them ' ' lines (context).
1027 # To remove '$remove_plus' lines, delete them.
1028 # Lines starting with # will be removed.
1030 # If the patch applies cleanly, the edited hunk will immediately be
1031 # marked for $participle. If it does not apply cleanly, you will be given
1032 # an opportunity to edit again. If all lines of the hunk are removed,
1033 # then the edit is aborted and the hunk is left unchanged.
1037 chomp(my $editor = run_cmd_pipe(qw(git var GIT_EDITOR)));
1038 system('sh', '-c', $editor.' "$@"', $editor, $hunkfile);
1044 open $fh, '<', $hunkfile
1045 or die "failed to open hunk edit file for reading: " . $!;
1046 my @newtext = grep { !/^#/ } <$fh>;
1050 # Abort if nothing remains
1051 if (!grep { /\S/ } @newtext) {
1055 # Reinsert the first hunk header if the user accidentally deleted it
1056 if ($newtext[0] !~ /^@/) {
1057 unshift @newtext, $oldtext->[0];
1064 return run_git_apply($patch_mode_flavour{APPLY_CHECK} . ' --check',
1065 map { @{$_->{TEXT}} } @_);
1068 sub _restore_terminal_and_die {
1074 sub prompt_single_character {
1076 local $SIG{TERM} = \&_restore_terminal_and_die;
1077 local $SIG{INT} = \&_restore_terminal_and_die;
1079 my $key = ReadKey 0;
1081 if ($use_termcap and $key eq "\e") {
1082 while (!defined $term_escapes{$key}) {
1083 my $next = ReadKey 0.5;
1084 last if (!defined $next);
1089 print "$key" if defined $key;
1100 print colored $prompt_color, $prompt;
1101 my $line = prompt_single_character;
1102 return 0 if $line =~ /^n/i;
1103 return 1 if $line =~ /^y/i;
1107 sub edit_hunk_loop {
1108 my ($head, $hunk, $ix) = @_;
1109 my $text = $hunk->[$ix]->{TEXT};
1112 $text = edit_hunk_manually($text);
1113 if (!defined $text) {
1118 TYPE => $hunk->[$ix]->{TYPE},
1122 if (diff_applies($head,
1125 @{$hunk}[$ix+1..$#{$hunk}])) {
1126 $newhunk->{DISPLAY} = [color_diff(@{$text})];
1131 'Your edited hunk does not apply. Edit again '
1132 . '(saying "no" discards!) [y/n]? '
1138 sub help_patch_cmd {
1139 my $verb = lc $patch_mode_flavour{VERB};
1140 my $target = $patch_mode_flavour{TARGET};
1141 print colored $help_color, <<EOF ;
1142 y - $verb this hunk$target
1143 n - do not $verb this hunk$target
1144 q - quit; do not $verb this hunk nor any of the remaining ones
1145 a - $verb this hunk and all later hunks in the file
1146 d - do not $verb this hunk nor any of the later hunks in the file
1147 g - select a hunk to go to
1148 / - search for a hunk matching the given regex
1149 j - leave this hunk undecided, see next undecided hunk
1150 J - leave this hunk undecided, see next hunk
1151 k - leave this hunk undecided, see previous undecided hunk
1152 K - leave this hunk undecided, see previous hunk
1153 s - split the current hunk into smaller hunks
1154 e - manually edit the current hunk
1161 my $ret = run_git_apply $cmd, @_;
1168 sub apply_patch_for_checkout_commit {
1169 my $reverse = shift;
1170 my $applies_index = run_git_apply 'apply '.$reverse.' --cached --check', @_;
1171 my $applies_worktree = run_git_apply 'apply '.$reverse.' --check', @_;
1173 if ($applies_worktree && $applies_index) {
1174 run_git_apply 'apply '.$reverse.' --cached', @_;
1175 run_git_apply 'apply '.$reverse, @_;
1177 } elsif (!$applies_index) {
1178 print colored $error_color, "The selected hunks do not apply to the index!\n";
1179 if (prompt_yesno "Apply them to the worktree anyway? ") {
1180 return run_git_apply 'apply '.$reverse, @_;
1182 print colored $error_color, "Nothing was applied.\n";
1191 sub patch_update_cmd {
1192 my @all_mods = list_modified($patch_mode_flavour{FILTER});
1193 my @mods = grep { !($_->{BINARY}) } @all_mods;
1198 print STDERR "Only binary files changed.\n";
1200 print STDERR "No changes.\n";
1208 @them = list_and_choose({ PROMPT => 'Patch update',
1209 HEADER => $status_head, },
1213 return 0 if patch_update_file($_->{VALUE});
1217 # Generate a one line summary of a hunk.
1218 sub summarize_hunk {
1220 my $summary = $rhunk->{TEXT}[0];
1222 # Keep the line numbers, discard extra context.
1223 $summary =~ s/@@(.*?)@@.*/$1 /s;
1224 $summary .= " " x (20 - length $summary);
1226 # Add some user context.
1227 for my $line (@{$rhunk->{TEXT}}) {
1228 if ($line =~ m/^[+-].*\w/) {
1235 return substr($summary, 0, 80) . "\n";
1239 # Print a one-line summary of each hunk in the array ref in
1240 # the first argument, starting wih the index in the 2nd.
1242 my ($hunks, $i) = @_;
1245 for (; $i < @$hunks && $ctr < 20; $i++, $ctr++) {
1247 if (defined $hunks->[$i]{USE}) {
1248 $status = $hunks->[$i]{USE} ? "+" : "-";
1253 summarize_hunk($hunks->[$i]);
1258 sub patch_update_file {
1262 my ($head, @hunk) = parse_diff($path);
1263 ($head, my $mode, my $deletion) = parse_diff_header($head);
1264 for (@{$head->{DISPLAY}}) {
1268 if (@{$mode->{TEXT}}) {
1269 unshift @hunk, $mode;
1271 if (@{$deletion->{TEXT}}) {
1272 foreach my $hunk (@hunk) {
1273 push @{$deletion->{TEXT}}, @{$hunk->{TEXT}};
1274 push @{$deletion->{DISPLAY}}, @{$hunk->{DISPLAY}};
1276 @hunk = ($deletion);
1279 $num = scalar @hunk;
1283 my ($prev, $next, $other, $undecided, $i);
1289 for ($i = 0; $i < $ix; $i++) {
1290 if (!defined $hunk[$i]{USE}) {
1299 for ($i = $ix + 1; $i < $num; $i++) {
1300 if (!defined $hunk[$i]{USE}) {
1306 if ($ix < $num - 1) {
1312 for ($i = 0; $i < $num; $i++) {
1313 if (!defined $hunk[$i]{USE}) {
1318 last if (!$undecided);
1320 if ($hunk[$ix]{TYPE} eq 'hunk' &&
1321 hunk_splittable($hunk[$ix]{TEXT})) {
1324 if ($hunk[$ix]{TYPE} eq 'hunk') {
1327 for (@{$hunk[$ix]{DISPLAY}}) {
1330 print colored $prompt_color, $patch_mode_flavour{VERB},
1331 ($hunk[$ix]{TYPE} eq 'mode' ? ' mode change' :
1332 $hunk[$ix]{TYPE} eq 'deletion' ? ' deletion' :
1334 $patch_mode_flavour{TARGET},
1335 " [y,n,q,a,d,/$other,?]? ";
1336 my $line = prompt_single_character;
1338 if ($line =~ /^y/i) {
1339 $hunk[$ix]{USE} = 1;
1341 elsif ($line =~ /^n/i) {
1342 $hunk[$ix]{USE} = 0;
1344 elsif ($line =~ /^a/i) {
1345 while ($ix < $num) {
1346 if (!defined $hunk[$ix]{USE}) {
1347 $hunk[$ix]{USE} = 1;
1353 elsif ($other =~ /g/ && $line =~ /^g(.*)/) {
1355 my $no = $ix > 10 ? $ix - 10 : 0;
1356 while ($response eq '') {
1358 $no = display_hunks(\@hunk, $no);
1360 $extra = " (<ret> to see more)";
1362 print "go to which hunk$extra? ";
1363 $response = <STDIN>;
1364 if (!defined $response) {
1369 if ($response !~ /^\s*\d+\s*$/) {
1370 error_msg "Invalid number: '$response'\n";
1371 } elsif (0 < $response && $response <= $num) {
1372 $ix = $response - 1;
1374 error_msg "Sorry, only $num hunks available.\n";
1378 elsif ($line =~ /^d/i) {
1379 while ($ix < $num) {
1380 if (!defined $hunk[$ix]{USE}) {
1381 $hunk[$ix]{USE} = 0;
1387 elsif ($line =~ /^q/i) {
1388 for ($i = 0; $i < $num; $i++) {
1389 if (!defined $hunk[$i]{USE}) {
1396 elsif ($line =~ m|^/(.*)|) {
1399 print colored $prompt_color, "search for regex? ";
1401 if (defined $regex) {
1407 $search_string = qr{$regex}m;
1410 my ($err,$exp) = ($@, $1);
1411 $err =~ s/ at .*git-add--interactive line \d+, <STDIN> line \d+.*$//;
1412 error_msg "Malformed search regexp $exp: $err\n";
1417 my $text = join ("", @{$hunk[$iy]{TEXT}});
1418 last if ($text =~ $search_string);
1420 $iy = 0 if ($iy >= $num);
1422 error_msg "No hunk matches the given pattern\n";
1429 elsif ($line =~ /^K/) {
1430 if ($other =~ /K/) {
1434 error_msg "No previous hunk\n";
1438 elsif ($line =~ /^J/) {
1439 if ($other =~ /J/) {
1443 error_msg "No next hunk\n";
1447 elsif ($line =~ /^k/) {
1448 if ($other =~ /k/) {
1452 !defined $hunk[$ix]{USE});
1456 error_msg "No previous hunk\n";
1460 elsif ($line =~ /^j/) {
1461 if ($other !~ /j/) {
1462 error_msg "No next hunk\n";
1466 elsif ($other =~ /s/ && $line =~ /^s/) {
1467 my @split = split_hunk($hunk[$ix]{TEXT}, $hunk[$ix]{DISPLAY});
1469 print colored $header_color, "Split into ",
1470 scalar(@split), " hunks.\n";
1472 splice (@hunk, $ix, 1, @split);
1473 $num = scalar @hunk;
1476 elsif ($other =~ /e/ && $line =~ /^e/) {
1477 my $newhunk = edit_hunk_loop($head, \@hunk, $ix);
1478 if (defined $newhunk) {
1479 splice @hunk, $ix, 1, $newhunk;
1483 help_patch_cmd($other);
1489 last if ($ix >= $num ||
1490 !defined $hunk[$ix]{USE});
1495 @hunk = coalesce_overlapping_hunks(@hunk);
1501 push @result, @{$_->{TEXT}};
1507 my @patch = reassemble_patch($head->{TEXT}, @result);
1508 my $apply_routine = $patch_mode_flavour{APPLY};
1509 &$apply_routine(@patch);
1518 my @mods = list_modified('index-only');
1519 @mods = grep { !($_->{BINARY}) } @mods;
1521 my (@them) = list_and_choose({ PROMPT => 'Review diff',
1523 HEADER => $status_head, },
1526 my $reference = is_initial_commit() ? get_empty_tree() : 'HEAD';
1527 system(qw(git diff -p --cached), $reference, '--',
1528 map { $_->{VALUE} } @them);
1537 print colored $help_color, <<\EOF ;
1538 status - show paths with changes
1539 update - add working tree state to the staged set of changes
1540 revert - revert staged set of changes back to the HEAD version
1541 patch - pick hunks and update selectively
1542 diff - view diff between HEAD and index
1543 add untracked - add contents of untracked files to the staged set of changes
1548 return unless @ARGV;
1549 my $arg = shift @ARGV;
1550 if ($arg =~ /--patch(?:=(.*))?/) {
1552 if ($1 eq 'reset') {
1553 $patch_mode = 'reset_head';
1554 $patch_mode_revision = 'HEAD';
1555 $arg = shift @ARGV or die "missing --";
1557 $patch_mode_revision = $arg;
1558 $patch_mode = ($arg eq 'HEAD' ?
1559 'reset_head' : 'reset_nothead');
1560 $arg = shift @ARGV or die "missing --";
1562 } elsif ($1 eq 'checkout') {
1563 $arg = shift @ARGV or die "missing --";
1565 $patch_mode = 'checkout_index';
1567 $patch_mode_revision = $arg;
1568 $patch_mode = ($arg eq 'HEAD' ?
1569 'checkout_head' : 'checkout_nothead');
1570 $arg = shift @ARGV or die "missing --";
1572 } elsif ($1 eq 'stage' or $1 eq 'stash') {
1574 $arg = shift @ARGV or die "missing --";
1576 die "unknown --patch mode: $1";
1579 $patch_mode = 'stage';
1580 $arg = shift @ARGV or die "missing --";
1582 die "invalid argument $arg, expecting --"
1583 unless $arg eq "--";
1584 %patch_mode_flavour = %{$patch_modes{$patch_mode}};
1586 elsif ($arg ne "--") {
1587 die "invalid argument $arg, expecting --";
1592 my @cmd = ([ 'status', \&status_cmd, ],
1593 [ 'update', \&update_cmd, ],
1594 [ 'revert', \&revert_cmd, ],
1595 [ 'add untracked', \&add_untracked_cmd, ],
1596 [ 'patch', \&patch_update_cmd, ],
1597 [ 'diff', \&diff_cmd, ],
1598 [ 'quit', \&quit_cmd, ],
1599 [ 'help', \&help_cmd, ],
1602 my ($it) = list_and_choose({ PROMPT => 'What now',
1605 HEADER => '*** Commands ***',
1606 ON_EOF => \&quit_cmd,
1607 IMMEDIATE => 1 }, @cmd);