6 my $repo = Git->repository();
8 my $menu_use_color = $repo->get_colorbool('color.interactive');
9 my ($prompt_color, $header_color, $help_color) =
11 $repo->get_color('color.interactive.prompt', 'bold blue'),
12 $repo->get_color('color.interactive.header', 'bold'),
13 $repo->get_color('color.interactive.help', 'red bold'),
16 my $diff_use_color = $repo->get_colorbool('color.diff');
17 my ($fraginfo_color) =
19 $repo->get_color('color.diff.frag', 'cyan'),
22 my $normal_color = $repo->get_color("", "reset");
26 my $string = join("", @_);
29 # Put a color code at the beginning of each line, a reset at the end
30 # color after newlines that are not at the end of the string
31 $string =~ s/(\n+)(.)/$1$color$2/g;
32 # reset before newlines
33 $string =~ s/(\n+)/$normal_color$1/g;
34 # codes at beginning and end (if necessary):
35 $string =~ s/^/$color/;
36 $string =~ s/$/$normal_color/ unless $string =~ /\n$/;
41 # command line options
45 if ($^O eq 'MSWin32') {
46 my @invalid = grep {m/[":*]/} @_;
47 die "$^O does not support: @invalid\n" if @invalid;
48 my @args = map { m/ /o ? "\"$_\"": $_ } @_;
52 open($fh, '-|', @_) or die;
57 my ($GIT_DIR) = run_cmd_pipe(qw(git rev-parse --git-dir));
59 if (!defined $GIT_DIR) {
60 exit(1); # rev-parse would have already said "not a git repo"
66 open $fh, 'git update-index --refresh |'
69 ;# ignore 'needs update'
79 run_cmd_pipe(qw(git ls-files --others --exclude-standard --), @ARGV);
82 my $status_fmt = '%12s %12s %s';
83 my $status_head = sprintf($status_fmt, 'staged', 'unstaged', 'path');
87 sub is_initial_commit {
88 $initial = system('git rev-parse HEAD -- >/dev/null 2>&1') != 0
89 unless defined $initial;
95 return '4b825dc642cb6eb9a060e54bf8d69288fbee4904';
98 # Returns list of hashes, contents of each of which are:
100 # BINARY: is a binary path
101 # INDEX: is index different from HEAD?
102 # FILE: is file different from index?
103 # INDEX_ADDDEL: is it add/delete between HEAD and index?
104 # FILE_ADDDEL: is it add/delete between index and file?
109 my ($add, $del, $adddel, $file);
115 } run_cmd_pipe(qw(git ls-files --exclude-standard --), @ARGV);
116 return if (!@tracked);
119 my $reference = is_initial_commit() ? get_empty_tree() : 'HEAD';
120 for (run_cmd_pipe(qw(git diff-index --cached
121 --numstat --summary), $reference,
123 if (($add, $del, $file) =
124 /^([-\d]+) ([-\d]+) (.*)/) {
126 if ($add eq '-' && $del eq '-') {
131 $change = "+$add/-$del";
139 elsif (($adddel, $file) =
140 /^ (create|delete) mode [0-7]+ (.*)$/) {
141 $data{$file}{INDEX_ADDDEL} = $adddel;
145 for (run_cmd_pipe(qw(git diff-files --numstat --summary --), @tracked)) {
146 if (($add, $del, $file) =
147 /^([-\d]+) ([-\d]+) (.*)/) {
148 if (!exists $data{$file}) {
150 INDEX => 'unchanged',
155 if ($add eq '-' && $del eq '-') {
160 $change = "+$add/-$del";
162 $data{$file}{FILE} = $change;
164 $data{$file}{BINARY} = 1;
167 elsif (($adddel, $file) =
168 /^ (create|delete) mode [0-7]+ (.*)$/) {
169 $data{$file}{FILE_ADDDEL} = $adddel;
173 for (sort keys %data) {
177 if ($only eq 'index-only') {
178 next if ($it->{INDEX} eq 'unchanged');
180 if ($only eq 'file-only') {
181 next if ($it->{FILE} eq 'nothing');
193 my ($string, @stuff) = @_;
195 for (my $i = 0; $i < @stuff; $i++) {
199 if ((ref $it) eq 'ARRAY') {
207 if ($it =~ /^$string/) {
211 if (defined $hit && defined $found) {
221 # inserts string into trie and updates count for each character
223 my ($trie, $string) = @_;
224 foreach (split //, $string) {
225 $trie = $trie->{$_} ||= {COUNT => 0};
230 # returns an array of tuples (prefix, remainder)
231 sub find_unique_prefixes {
235 # any single prefix exceeding the soft limit is omitted
236 # if any prefix exceeds the hard limit all are omitted
237 # 0 indicates no limit
241 # build a trie modelling all possible options
243 foreach my $print (@stuff) {
244 if ((ref $print) eq 'ARRAY') {
245 $print = $print->[0];
247 elsif ((ref $print) eq 'HASH') {
248 $print = $print->{VALUE};
250 update_trie(\%trie, $print);
251 push @return, $print;
254 # use the trie to find the unique prefixes
255 for (my $i = 0; $i < @return; $i++) {
256 my $ret = $return[$i];
257 my @letters = split //, $ret;
259 my ($prefix, $remainder);
261 for ($j = 0; $j < @letters; $j++) {
262 my $letter = $letters[$j];
263 if ($search{$letter}{COUNT} == 1) {
264 $prefix = substr $ret, 0, $j + 1;
265 $remainder = substr $ret, $j + 1;
269 my $prefix = substr $ret, 0, $j;
271 if ($hard_limit && $j + 1 > $hard_limit);
273 %search = %{$search{$letter}};
275 if ($soft_limit && $j + 1 > $soft_limit) {
279 $return[$i] = [$prefix, $remainder];
284 # filters out prefixes which have special meaning to list_and_choose()
285 sub is_valid_prefix {
287 return (defined $prefix) &&
288 !($prefix =~ /[\s,]/) && # separators
289 !($prefix =~ /^-/) && # deselection
290 !($prefix =~ /^\d+/) && # selection
291 ($prefix ne '*') && # "all" wildcard
292 ($prefix ne '?'); # prompt help
295 # given a prefix/remainder tuple return a string with the prefix highlighted
296 # for now use square brackets; later might use ANSI colors (underline, bold)
297 sub highlight_prefix {
299 my $remainder = shift;
301 if (!defined $prefix) {
305 if (!is_valid_prefix($prefix)) {
306 return "$prefix$remainder";
309 if (!$menu_use_color) {
310 return "[$prefix]$remainder";
313 return "$prompt_color$prefix$normal_color$remainder";
316 sub list_and_choose {
317 my ($opts, @stuff) = @_;
318 my (@chosen, @return);
320 my @prefixes = find_unique_prefixes(@stuff) unless $opts->{LIST_ONLY};
326 if ($opts->{HEADER}) {
327 if (!$opts->{LIST_FLAT}) {
330 print colored $header_color, "$opts->{HEADER}\n";
332 for ($i = 0; $i < @stuff; $i++) {
333 my $chosen = $chosen[$i] ? '*' : ' ';
334 my $print = $stuff[$i];
335 my $ref = ref $print;
336 my $highlighted = highlight_prefix(@{$prefixes[$i]})
338 if ($ref eq 'ARRAY') {
339 $print = $highlighted || $print->[0];
341 elsif ($ref eq 'HASH') {
342 my $value = $highlighted || $print->{VALUE};
343 $print = sprintf($status_fmt,
349 $print = $highlighted || $print;
351 printf("%s%2d: %s", $chosen, $i+1, $print);
352 if (($opts->{LIST_FLAT}) &&
353 (($i + 1) % ($opts->{LIST_FLAT}))) {
366 return if ($opts->{LIST_ONLY});
368 print colored $prompt_color, $opts->{PROMPT};
369 if ($opts->{SINGLETON}) {
378 $opts->{ON_EOF}->() if $opts->{ON_EOF};
385 singleton_prompt_help_cmd() :
389 for my $choice (split(/[\s,]+/, $line)) {
393 # Input that begins with '-'; unchoose
394 if ($choice =~ s/^-//) {
397 # A range can be specified like 5-7
398 if ($choice =~ /^(\d+)-(\d+)$/) {
399 ($bottom, $top) = ($1, $2);
401 elsif ($choice =~ /^\d+$/) {
402 $bottom = $top = $choice;
404 elsif ($choice eq '*') {
409 $bottom = $top = find_unique($choice, @stuff);
410 if (!defined $bottom) {
411 print "Huh ($choice)?\n";
415 if ($opts->{SINGLETON} && $bottom != $top) {
416 print "Huh ($choice)?\n";
419 for ($i = $bottom-1; $i <= $top-1; $i++) {
420 next if (@stuff <= $i || $i < 0);
421 $chosen[$i] = $choose;
424 last if ($opts->{IMMEDIATE} || $line eq '*');
426 for ($i = 0; $i < @stuff; $i++) {
428 push @return, $stuff[$i];
434 sub singleton_prompt_help_cmd {
435 print colored $help_color, <<\EOF ;
437 1 - select a numbered item
438 foo - select item based on unique prefix
439 - (empty) select nothing
443 sub prompt_help_cmd {
444 print colored $help_color, <<\EOF ;
446 1 - select a single item
447 3-5 - select a range of items
448 2-3,6-9 - select multiple ranges
449 foo - select item based on unique prefix
450 -... - unselect specified items
452 - (empty) finish selecting
457 list_and_choose({ LIST_ONLY => 1, HEADER => $status_head },
467 print "$cnt paths\n";
475 my @mods = list_modified('file-only');
478 my @update = list_and_choose({ PROMPT => 'Update',
479 HEADER => $status_head, },
482 system(qw(git update-index --add --remove --),
483 map { $_->{VALUE} } @update);
484 say_n_paths('updated', @update);
490 my @update = list_and_choose({ PROMPT => 'Revert',
491 HEADER => $status_head, },
494 if (is_initial_commit()) {
495 system(qw(git rm --cached),
496 map { $_->{VALUE} } @update);
499 my @lines = run_cmd_pipe(qw(git ls-tree HEAD --),
500 map { $_->{VALUE} } @update);
502 open $fh, '| git update-index --index-info'
509 if ($_->{INDEX_ADDDEL} &&
510 $_->{INDEX_ADDDEL} eq 'create') {
511 system(qw(git update-index --force-remove --),
513 print "note: $_->{VALUE} is untracked now.\n";
518 say_n_paths('reverted', @update);
523 sub add_untracked_cmd {
524 my @add = list_and_choose({ PROMPT => 'Add untracked' },
527 system(qw(git update-index --add --), @add);
528 say_n_paths('added', @add);
535 my @diff = run_cmd_pipe(qw(git diff-files -p --), $path);
537 if ($diff_use_color) {
538 @colored = run_cmd_pipe(qw(git diff-files -p --color --), $path);
540 my (@hunk) = { TEXT => [], DISPLAY => [] };
542 for (my $i = 0; $i < @diff; $i++) {
543 if ($diff[$i] =~ /^@@ /) {
544 push @hunk, { TEXT => [], DISPLAY => [] };
546 push @{$hunk[-1]{TEXT}}, $diff[$i];
547 push @{$hunk[-1]{DISPLAY}},
548 ($diff_use_color ? $colored[$i] : $diff[$i]);
553 sub parse_diff_header {
556 my $head = { TEXT => [], DISPLAY => [] };
557 my $mode = { TEXT => [], DISPLAY => [] };
559 for (my $i = 0; $i < @{$src->{TEXT}}; $i++) {
560 my $dest = $src->{TEXT}->[$i] =~ /^(old|new) mode (\d+)$/ ?
562 push @{$dest->{TEXT}}, $src->{TEXT}->[$i];
563 push @{$dest->{DISPLAY}}, $src->{DISPLAY}->[$i];
565 return ($head, $mode);
568 sub hunk_splittable {
571 my @s = split_hunk($text);
575 sub parse_hunk_header {
577 my ($o_ofs, $o_cnt, $n_ofs, $n_cnt) =
578 $line =~ /^@@ -(\d+)(?:,(\d+))? \+(\d+)(?:,(\d+))? @@/;
579 $o_cnt = 1 unless defined $o_cnt;
580 $n_cnt = 1 unless defined $n_cnt;
581 return ($o_ofs, $o_cnt, $n_ofs, $n_cnt);
585 my ($text, $display) = @_;
587 if (!defined $display) {
590 # If there are context lines in the middle of a hunk,
591 # it can be split, but we would need to take care of
594 my ($o_ofs, undef, $n_ofs) = parse_hunk_header($text->[0]);
599 my $next_hunk_start = undef;
600 my $i = $hunk_start - 1;
613 while (++$i < @$text) {
614 my $line = $text->[$i];
615 my $display = $display->[$i];
617 if ($this->{ADDDEL} &&
618 !defined $next_hunk_start) {
619 # We have seen leading context and
620 # adds/dels and then here is another
621 # context, which is trailing for this
622 # split hunk and leading for the next
624 $next_hunk_start = $i;
626 push @{$this->{TEXT}}, $line;
627 push @{$this->{DISPLAY}}, $display;
630 if (defined $next_hunk_start) {
637 if (defined $next_hunk_start) {
638 # We are done with the current hunk and
639 # this is the first real change for the
641 $hunk_start = $next_hunk_start;
642 $o_ofs = $this->{OLD} + $this->{OCNT};
643 $n_ofs = $this->{NEW} + $this->{NCNT};
644 $o_ofs -= $this->{POSTCTX};
645 $n_ofs -= $this->{POSTCTX};
649 push @{$this->{TEXT}}, $line;
650 push @{$this->{DISPLAY}}, $display;
664 for my $hunk (@split) {
665 $o_ofs = $hunk->{OLD};
666 $n_ofs = $hunk->{NEW};
667 my $o_cnt = $hunk->{OCNT};
668 my $n_cnt = $hunk->{NCNT};
670 my $head = ("@@ -$o_ofs" .
671 (($o_cnt != 1) ? ",$o_cnt" : '') .
673 (($n_cnt != 1) ? ",$n_cnt" : '') .
675 my $display_head = $head;
676 unshift @{$hunk->{TEXT}}, $head;
677 if ($diff_use_color) {
678 $display_head = colored($fraginfo_color, $head);
680 unshift @{$hunk->{DISPLAY}}, $display_head;
685 sub find_last_o_ctx {
687 my $text = $it->{TEXT};
688 my ($o_ofs, $o_cnt) = parse_hunk_header($text->[0]);
690 my $last_o_ctx = $o_ofs + $o_cnt;
692 my $line = $text->[$i];
703 my ($prev, $this) = @_;
704 my ($o0_ofs, $o0_cnt, $n0_ofs, $n0_cnt) =
705 parse_hunk_header($prev->{TEXT}[0]);
706 my ($o1_ofs, $o1_cnt, $n1_ofs, $n1_cnt) =
707 parse_hunk_header($this->{TEXT}[0]);
709 my (@line, $i, $ofs, $o_cnt, $n_cnt);
712 for ($i = 1; $i < @{$prev->{TEXT}}; $i++) {
713 my $line = $prev->{TEXT}[$i];
714 if ($line =~ /^\+/) {
720 last if ($o1_ofs <= $ofs);
730 for ($i = 1; $i < @{$this->{TEXT}}; $i++) {
731 my $line = $this->{TEXT}[$i];
732 if ($line =~ /^\+/) {
744 my $head = ("@@ -$o0_ofs" .
745 (($o_cnt != 1) ? ",$o_cnt" : '') .
747 (($n_cnt != 1) ? ",$n_cnt" : '') .
749 @{$prev->{TEXT}} = ($head, @line);
752 sub coalesce_overlapping_hunks {
758 for (grep { $_->{USE} } @in) {
759 my $text = $_->{TEXT};
760 my ($o_ofs) = parse_hunk_header($text->[0]);
761 if (defined $last_o_ctx &&
762 $o_ofs <= $last_o_ctx) {
763 merge_hunk($out[-1], $_);
768 $last_o_ctx = find_last_o_ctx($out[-1]);
774 print colored $help_color, <<\EOF ;
776 n - do not stage this hunk
777 a - stage this and all the remaining hunks in the file
778 d - do not stage this hunk nor any of the remaining hunks in the file
779 j - leave this hunk undecided, see next undecided hunk
780 J - leave this hunk undecided, see next hunk
781 k - leave this hunk undecided, see previous undecided hunk
782 K - leave this hunk undecided, see previous hunk
783 s - split the current hunk into smaller hunks
788 sub patch_update_cmd {
789 my @mods = grep { !($_->{BINARY}) } list_modified('file-only');
793 print STDERR "No changes.\n";
800 @them = list_and_choose({ PROMPT => 'Patch update',
801 HEADER => $status_head, },
805 patch_update_file($_->{VALUE});
809 sub patch_update_file {
812 my ($head, @hunk) = parse_diff($path);
813 ($head, my $mode) = parse_diff_header($head);
814 for (@{$head->{DISPLAY}}) {
818 if (@{$mode->{TEXT}}) {
820 print @{$mode->{DISPLAY}};
821 print colored $prompt_color,
822 "Stage mode change [y/n/a/d/?]? ";
824 if ($line =~ /^y/i) {
828 elsif ($line =~ /^n/i) {
832 elsif ($line =~ /^a/i) {
833 $_->{USE} = 1 foreach ($mode, @hunk);
836 elsif ($line =~ /^d/i) {
837 $_->{USE} = 0 foreach ($mode, @hunk);
851 my ($prev, $next, $other, $undecided, $i);
857 for ($i = 0; $i < $ix; $i++) {
858 if (!defined $hunk[$i]{USE}) {
867 for ($i = $ix + 1; $i < $num; $i++) {
868 if (!defined $hunk[$i]{USE}) {
874 if ($ix < $num - 1) {
877 for ($i = 0; $i < $num; $i++) {
878 if (!defined $hunk[$i]{USE}) {
883 last if (!$undecided);
885 if (hunk_splittable($hunk[$ix]{TEXT})) {
888 for (@{$hunk[$ix]{DISPLAY}}) {
891 print colored $prompt_color, "Stage this hunk [y/n/a/d$other/?]? ";
894 if ($line =~ /^y/i) {
897 elsif ($line =~ /^n/i) {
900 elsif ($line =~ /^a/i) {
902 if (!defined $hunk[$ix]{USE}) {
909 elsif ($line =~ /^d/i) {
911 if (!defined $hunk[$ix]{USE}) {
918 elsif ($other =~ /K/ && $line =~ /^K/) {
922 elsif ($other =~ /J/ && $line =~ /^J/) {
926 elsif ($other =~ /k/ && $line =~ /^k/) {
930 !defined $hunk[$ix]{USE});
934 elsif ($other =~ /j/ && $line =~ /^j/) {
937 last if ($ix >= $num ||
938 !defined $hunk[$ix]{USE});
942 elsif ($other =~ /s/ && $line =~ /^s/) {
943 my @split = split_hunk($hunk[$ix]{TEXT}, $hunk[$ix]{DISPLAY});
945 print colored $header_color, "Split into ",
946 scalar(@split), " hunks.\n";
948 splice (@hunk, $ix, 1, @split);
953 help_patch_cmd($other);
959 last if ($ix >= $num ||
960 !defined $hunk[$ix]{USE});
965 @hunk = coalesce_overlapping_hunks(@hunk);
970 push @result, @{$mode->{TEXT}};
973 my $text = $_->{TEXT};
974 my ($o_ofs, $o_cnt, $n_ofs, $n_cnt) =
975 parse_hunk_header($text->[0]);
978 # We would have added ($n_cnt - $o_cnt) lines
979 # to the postimage if we were to use this hunk,
980 # but we didn't. So the line number that the next
981 # hunk starts at would be shifted by that much.
982 $n_lofs -= ($n_cnt - $o_cnt);
988 $text->[0] = ("@@ -$o_ofs" .
1005 open $fh, '| git apply --cached';
1006 for (@{$head->{TEXT}}, @result) {
1010 for (@{$head->{TEXT}}, @result) {
1021 my @mods = list_modified('index-only');
1022 @mods = grep { !($_->{BINARY}) } @mods;
1024 my (@them) = list_and_choose({ PROMPT => 'Review diff',
1026 HEADER => $status_head, },
1029 my $reference = is_initial_commit() ? get_empty_tree() : 'HEAD';
1030 system(qw(git diff -p --cached), $reference, '--',
1031 map { $_->{VALUE} } @them);
1040 print colored $help_color, <<\EOF ;
1041 status - show paths with changes
1042 update - add working tree state to the staged set of changes
1043 revert - revert staged set of changes back to the HEAD version
1044 patch - pick hunks and update selectively
1045 diff - view diff between HEAD and index
1046 add untracked - add contents of untracked files to the staged set of changes
1051 return unless @ARGV;
1052 my $arg = shift @ARGV;
1053 if ($arg eq "--patch") {
1055 $arg = shift @ARGV or die "missing --";
1056 die "invalid argument $arg, expecting --"
1057 unless $arg eq "--";
1059 elsif ($arg ne "--") {
1060 die "invalid argument $arg, expecting --";
1065 my @cmd = ([ 'status', \&status_cmd, ],
1066 [ 'update', \&update_cmd, ],
1067 [ 'revert', \&revert_cmd, ],
1068 [ 'add untracked', \&add_untracked_cmd, ],
1069 [ 'patch', \&patch_update_cmd, ],
1070 [ 'diff', \&diff_cmd, ],
1071 [ 'quit', \&quit_cmd, ],
1072 [ 'help', \&help_cmd, ],
1075 my ($it) = list_and_choose({ PROMPT => 'What now',
1078 HEADER => '*** Commands ***',
1079 ON_EOF => \&quit_cmd,
1080 IMMEDIATE => 1 }, @cmd);