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1 | #!/usr/bin/perl -w | |
2 | ||
3 | use strict; | |
4 | use Git; | |
5 | ||
6 | binmode(STDOUT, ":raw"); | |
7 | ||
8 | my $repo = Git->repository(); | |
9 | ||
10 | my $menu_use_color = $repo->get_colorbool('color.interactive'); | |
11 | my ($prompt_color, $header_color, $help_color) = | |
12 | $menu_use_color ? ( | |
13 | $repo->get_color('color.interactive.prompt', 'bold blue'), | |
14 | $repo->get_color('color.interactive.header', 'bold'), | |
15 | $repo->get_color('color.interactive.help', 'red bold'), | |
16 | ) : (); | |
17 | my $error_color = (); | |
18 | if ($menu_use_color) { | |
19 | my $help_color_spec = ($repo->config('color.interactive.help') or | |
20 | 'red bold'); | |
21 | $error_color = $repo->get_color('color.interactive.error', | |
22 | $help_color_spec); | |
23 | } | |
24 | ||
25 | my $diff_use_color = $repo->get_colorbool('color.diff'); | |
26 | my ($fraginfo_color) = | |
27 | $diff_use_color ? ( | |
28 | $repo->get_color('color.diff.frag', 'cyan'), | |
29 | ) : (); | |
30 | my ($diff_plain_color) = | |
31 | $diff_use_color ? ( | |
32 | $repo->get_color('color.diff.plain', ''), | |
33 | ) : (); | |
34 | my ($diff_old_color) = | |
35 | $diff_use_color ? ( | |
36 | $repo->get_color('color.diff.old', 'red'), | |
37 | ) : (); | |
38 | my ($diff_new_color) = | |
39 | $diff_use_color ? ( | |
40 | $repo->get_color('color.diff.new', 'green'), | |
41 | ) : (); | |
42 | ||
43 | my $normal_color = $repo->get_color("", "reset"); | |
44 | ||
45 | my $use_readkey = 0; | |
46 | sub ReadMode; | |
47 | sub ReadKey; | |
48 | if ($repo->config_bool("interactive.singlekey")) { | |
49 | eval { | |
50 | require Term::ReadKey; | |
51 | Term::ReadKey->import; | |
52 | $use_readkey = 1; | |
53 | }; | |
54 | } | |
55 | ||
56 | sub colored { | |
57 | my $color = shift; | |
58 | my $string = join("", @_); | |
59 | ||
60 | if (defined $color) { | |
61 | # Put a color code at the beginning of each line, a reset at the end | |
62 | # color after newlines that are not at the end of the string | |
63 | $string =~ s/(\n+)(.)/$1$color$2/g; | |
64 | # reset before newlines | |
65 | $string =~ s/(\n+)/$normal_color$1/g; | |
66 | # codes at beginning and end (if necessary): | |
67 | $string =~ s/^/$color/; | |
68 | $string =~ s/$/$normal_color/ unless $string =~ /\n$/; | |
69 | } | |
70 | return $string; | |
71 | } | |
72 | ||
73 | # command line options | |
74 | my $patch_mode; | |
75 | ||
76 | sub run_cmd_pipe { | |
77 | if ($^O eq 'MSWin32' || $^O eq 'msys') { | |
78 | my @invalid = grep {m/[":*]/} @_; | |
79 | die "$^O does not support: @invalid\n" if @invalid; | |
80 | my @args = map { m/ /o ? "\"$_\"": $_ } @_; | |
81 | return qx{@args}; | |
82 | } else { | |
83 | my $fh = undef; | |
84 | open($fh, '-|', @_) or die; | |
85 | return <$fh>; | |
86 | } | |
87 | } | |
88 | ||
89 | my ($GIT_DIR) = run_cmd_pipe(qw(git rev-parse --git-dir)); | |
90 | ||
91 | if (!defined $GIT_DIR) { | |
92 | exit(1); # rev-parse would have already said "not a git repo" | |
93 | } | |
94 | chomp($GIT_DIR); | |
95 | ||
96 | my %cquote_map = ( | |
97 | "b" => chr(8), | |
98 | "t" => chr(9), | |
99 | "n" => chr(10), | |
100 | "v" => chr(11), | |
101 | "f" => chr(12), | |
102 | "r" => chr(13), | |
103 | "\\" => "\\", | |
104 | "\042" => "\042", | |
105 | ); | |
106 | ||
107 | sub unquote_path { | |
108 | local ($_) = @_; | |
109 | my ($retval, $remainder); | |
110 | if (!/^\042(.*)\042$/) { | |
111 | return $_; | |
112 | } | |
113 | ($_, $retval) = ($1, ""); | |
114 | while (/^([^\\]*)\\(.*)$/) { | |
115 | $remainder = $2; | |
116 | $retval .= $1; | |
117 | for ($remainder) { | |
118 | if (/^([0-3][0-7][0-7])(.*)$/) { | |
119 | $retval .= chr(oct($1)); | |
120 | $_ = $2; | |
121 | last; | |
122 | } | |
123 | if (/^([\\\042btnvfr])(.*)$/) { | |
124 | $retval .= $cquote_map{$1}; | |
125 | $_ = $2; | |
126 | last; | |
127 | } | |
128 | # This is malformed -- just return it as-is for now. | |
129 | return $_[0]; | |
130 | } | |
131 | $_ = $remainder; | |
132 | } | |
133 | $retval .= $_; | |
134 | return $retval; | |
135 | } | |
136 | ||
137 | sub refresh { | |
138 | my $fh; | |
139 | open $fh, 'git update-index --refresh |' | |
140 | or die; | |
141 | while (<$fh>) { | |
142 | ;# ignore 'needs update' | |
143 | } | |
144 | close $fh; | |
145 | } | |
146 | ||
147 | sub list_untracked { | |
148 | map { | |
149 | chomp $_; | |
150 | unquote_path($_); | |
151 | } | |
152 | run_cmd_pipe(qw(git ls-files --others --exclude-standard --), @ARGV); | |
153 | } | |
154 | ||
155 | my $status_fmt = '%12s %12s %s'; | |
156 | my $status_head = sprintf($status_fmt, 'staged', 'unstaged', 'path'); | |
157 | ||
158 | { | |
159 | my $initial; | |
160 | sub is_initial_commit { | |
161 | $initial = system('git rev-parse HEAD -- >/dev/null 2>&1') != 0 | |
162 | unless defined $initial; | |
163 | return $initial; | |
164 | } | |
165 | } | |
166 | ||
167 | sub get_empty_tree { | |
168 | return '4b825dc642cb6eb9a060e54bf8d69288fbee4904'; | |
169 | } | |
170 | ||
171 | # Returns list of hashes, contents of each of which are: | |
172 | # VALUE: pathname | |
173 | # BINARY: is a binary path | |
174 | # INDEX: is index different from HEAD? | |
175 | # FILE: is file different from index? | |
176 | # INDEX_ADDDEL: is it add/delete between HEAD and index? | |
177 | # FILE_ADDDEL: is it add/delete between index and file? | |
178 | ||
179 | sub list_modified { | |
180 | my ($only) = @_; | |
181 | my (%data, @return); | |
182 | my ($add, $del, $adddel, $file); | |
183 | my @tracked = (); | |
184 | ||
185 | if (@ARGV) { | |
186 | @tracked = map { | |
187 | chomp $_; | |
188 | unquote_path($_); | |
189 | } run_cmd_pipe(qw(git ls-files --exclude-standard --), @ARGV); | |
190 | return if (!@tracked); | |
191 | } | |
192 | ||
193 | my $reference = is_initial_commit() ? get_empty_tree() : 'HEAD'; | |
194 | for (run_cmd_pipe(qw(git diff-index --cached | |
195 | --numstat --summary), $reference, | |
196 | '--', @tracked)) { | |
197 | if (($add, $del, $file) = | |
198 | /^([-\d]+) ([-\d]+) (.*)/) { | |
199 | my ($change, $bin); | |
200 | $file = unquote_path($file); | |
201 | if ($add eq '-' && $del eq '-') { | |
202 | $change = 'binary'; | |
203 | $bin = 1; | |
204 | } | |
205 | else { | |
206 | $change = "+$add/-$del"; | |
207 | } | |
208 | $data{$file} = { | |
209 | INDEX => $change, | |
210 | BINARY => $bin, | |
211 | FILE => 'nothing', | |
212 | } | |
213 | } | |
214 | elsif (($adddel, $file) = | |
215 | /^ (create|delete) mode [0-7]+ (.*)$/) { | |
216 | $file = unquote_path($file); | |
217 | $data{$file}{INDEX_ADDDEL} = $adddel; | |
218 | } | |
219 | } | |
220 | ||
221 | for (run_cmd_pipe(qw(git diff-files --numstat --summary --), @tracked)) { | |
222 | if (($add, $del, $file) = | |
223 | /^([-\d]+) ([-\d]+) (.*)/) { | |
224 | $file = unquote_path($file); | |
225 | if (!exists $data{$file}) { | |
226 | $data{$file} = +{ | |
227 | INDEX => 'unchanged', | |
228 | BINARY => 0, | |
229 | }; | |
230 | } | |
231 | my ($change, $bin); | |
232 | if ($add eq '-' && $del eq '-') { | |
233 | $change = 'binary'; | |
234 | $bin = 1; | |
235 | } | |
236 | else { | |
237 | $change = "+$add/-$del"; | |
238 | } | |
239 | $data{$file}{FILE} = $change; | |
240 | if ($bin) { | |
241 | $data{$file}{BINARY} = 1; | |
242 | } | |
243 | } | |
244 | elsif (($adddel, $file) = | |
245 | /^ (create|delete) mode [0-7]+ (.*)$/) { | |
246 | $file = unquote_path($file); | |
247 | $data{$file}{FILE_ADDDEL} = $adddel; | |
248 | } | |
249 | } | |
250 | ||
251 | for (sort keys %data) { | |
252 | my $it = $data{$_}; | |
253 | ||
254 | if ($only) { | |
255 | if ($only eq 'index-only') { | |
256 | next if ($it->{INDEX} eq 'unchanged'); | |
257 | } | |
258 | if ($only eq 'file-only') { | |
259 | next if ($it->{FILE} eq 'nothing'); | |
260 | } | |
261 | } | |
262 | push @return, +{ | |
263 | VALUE => $_, | |
264 | %$it, | |
265 | }; | |
266 | } | |
267 | return @return; | |
268 | } | |
269 | ||
270 | sub find_unique { | |
271 | my ($string, @stuff) = @_; | |
272 | my $found = undef; | |
273 | for (my $i = 0; $i < @stuff; $i++) { | |
274 | my $it = $stuff[$i]; | |
275 | my $hit = undef; | |
276 | if (ref $it) { | |
277 | if ((ref $it) eq 'ARRAY') { | |
278 | $it = $it->[0]; | |
279 | } | |
280 | else { | |
281 | $it = $it->{VALUE}; | |
282 | } | |
283 | } | |
284 | eval { | |
285 | if ($it =~ /^$string/) { | |
286 | $hit = 1; | |
287 | }; | |
288 | }; | |
289 | if (defined $hit && defined $found) { | |
290 | return undef; | |
291 | } | |
292 | if ($hit) { | |
293 | $found = $i + 1; | |
294 | } | |
295 | } | |
296 | return $found; | |
297 | } | |
298 | ||
299 | # inserts string into trie and updates count for each character | |
300 | sub update_trie { | |
301 | my ($trie, $string) = @_; | |
302 | foreach (split //, $string) { | |
303 | $trie = $trie->{$_} ||= {COUNT => 0}; | |
304 | $trie->{COUNT}++; | |
305 | } | |
306 | } | |
307 | ||
308 | # returns an array of tuples (prefix, remainder) | |
309 | sub find_unique_prefixes { | |
310 | my @stuff = @_; | |
311 | my @return = (); | |
312 | ||
313 | # any single prefix exceeding the soft limit is omitted | |
314 | # if any prefix exceeds the hard limit all are omitted | |
315 | # 0 indicates no limit | |
316 | my $soft_limit = 0; | |
317 | my $hard_limit = 3; | |
318 | ||
319 | # build a trie modelling all possible options | |
320 | my %trie; | |
321 | foreach my $print (@stuff) { | |
322 | if ((ref $print) eq 'ARRAY') { | |
323 | $print = $print->[0]; | |
324 | } | |
325 | elsif ((ref $print) eq 'HASH') { | |
326 | $print = $print->{VALUE}; | |
327 | } | |
328 | update_trie(\%trie, $print); | |
329 | push @return, $print; | |
330 | } | |
331 | ||
332 | # use the trie to find the unique prefixes | |
333 | for (my $i = 0; $i < @return; $i++) { | |
334 | my $ret = $return[$i]; | |
335 | my @letters = split //, $ret; | |
336 | my %search = %trie; | |
337 | my ($prefix, $remainder); | |
338 | my $j; | |
339 | for ($j = 0; $j < @letters; $j++) { | |
340 | my $letter = $letters[$j]; | |
341 | if ($search{$letter}{COUNT} == 1) { | |
342 | $prefix = substr $ret, 0, $j + 1; | |
343 | $remainder = substr $ret, $j + 1; | |
344 | last; | |
345 | } | |
346 | else { | |
347 | my $prefix = substr $ret, 0, $j; | |
348 | return () | |
349 | if ($hard_limit && $j + 1 > $hard_limit); | |
350 | } | |
351 | %search = %{$search{$letter}}; | |
352 | } | |
353 | if (ord($letters[0]) > 127 || | |
354 | ($soft_limit && $j + 1 > $soft_limit)) { | |
355 | $prefix = undef; | |
356 | $remainder = $ret; | |
357 | } | |
358 | $return[$i] = [$prefix, $remainder]; | |
359 | } | |
360 | return @return; | |
361 | } | |
362 | ||
363 | # filters out prefixes which have special meaning to list_and_choose() | |
364 | sub is_valid_prefix { | |
365 | my $prefix = shift; | |
366 | return (defined $prefix) && | |
367 | !($prefix =~ /[\s,]/) && # separators | |
368 | !($prefix =~ /^-/) && # deselection | |
369 | !($prefix =~ /^\d+/) && # selection | |
370 | ($prefix ne '*') && # "all" wildcard | |
371 | ($prefix ne '?'); # prompt help | |
372 | } | |
373 | ||
374 | # given a prefix/remainder tuple return a string with the prefix highlighted | |
375 | # for now use square brackets; later might use ANSI colors (underline, bold) | |
376 | sub highlight_prefix { | |
377 | my $prefix = shift; | |
378 | my $remainder = shift; | |
379 | ||
380 | if (!defined $prefix) { | |
381 | return $remainder; | |
382 | } | |
383 | ||
384 | if (!is_valid_prefix($prefix)) { | |
385 | return "$prefix$remainder"; | |
386 | } | |
387 | ||
388 | if (!$menu_use_color) { | |
389 | return "[$prefix]$remainder"; | |
390 | } | |
391 | ||
392 | return "$prompt_color$prefix$normal_color$remainder"; | |
393 | } | |
394 | ||
395 | sub error_msg { | |
396 | print STDERR colored $error_color, @_; | |
397 | } | |
398 | ||
399 | sub list_and_choose { | |
400 | my ($opts, @stuff) = @_; | |
401 | my (@chosen, @return); | |
402 | my $i; | |
403 | my @prefixes = find_unique_prefixes(@stuff) unless $opts->{LIST_ONLY}; | |
404 | ||
405 | TOPLOOP: | |
406 | while (1) { | |
407 | my $last_lf = 0; | |
408 | ||
409 | if ($opts->{HEADER}) { | |
410 | if (!$opts->{LIST_FLAT}) { | |
411 | print " "; | |
412 | } | |
413 | print colored $header_color, "$opts->{HEADER}\n"; | |
414 | } | |
415 | for ($i = 0; $i < @stuff; $i++) { | |
416 | my $chosen = $chosen[$i] ? '*' : ' '; | |
417 | my $print = $stuff[$i]; | |
418 | my $ref = ref $print; | |
419 | my $highlighted = highlight_prefix(@{$prefixes[$i]}) | |
420 | if @prefixes; | |
421 | if ($ref eq 'ARRAY') { | |
422 | $print = $highlighted || $print->[0]; | |
423 | } | |
424 | elsif ($ref eq 'HASH') { | |
425 | my $value = $highlighted || $print->{VALUE}; | |
426 | $print = sprintf($status_fmt, | |
427 | $print->{INDEX}, | |
428 | $print->{FILE}, | |
429 | $value); | |
430 | } | |
431 | else { | |
432 | $print = $highlighted || $print; | |
433 | } | |
434 | printf("%s%2d: %s", $chosen, $i+1, $print); | |
435 | if (($opts->{LIST_FLAT}) && | |
436 | (($i + 1) % ($opts->{LIST_FLAT}))) { | |
437 | print "\t"; | |
438 | $last_lf = 0; | |
439 | } | |
440 | else { | |
441 | print "\n"; | |
442 | $last_lf = 1; | |
443 | } | |
444 | } | |
445 | if (!$last_lf) { | |
446 | print "\n"; | |
447 | } | |
448 | ||
449 | return if ($opts->{LIST_ONLY}); | |
450 | ||
451 | print colored $prompt_color, $opts->{PROMPT}; | |
452 | if ($opts->{SINGLETON}) { | |
453 | print "> "; | |
454 | } | |
455 | else { | |
456 | print ">> "; | |
457 | } | |
458 | my $line = <STDIN>; | |
459 | if (!$line) { | |
460 | print "\n"; | |
461 | $opts->{ON_EOF}->() if $opts->{ON_EOF}; | |
462 | last; | |
463 | } | |
464 | chomp $line; | |
465 | last if $line eq ''; | |
466 | if ($line eq '?') { | |
467 | $opts->{SINGLETON} ? | |
468 | singleton_prompt_help_cmd() : | |
469 | prompt_help_cmd(); | |
470 | next TOPLOOP; | |
471 | } | |
472 | for my $choice (split(/[\s,]+/, $line)) { | |
473 | my $choose = 1; | |
474 | my ($bottom, $top); | |
475 | ||
476 | # Input that begins with '-'; unchoose | |
477 | if ($choice =~ s/^-//) { | |
478 | $choose = 0; | |
479 | } | |
480 | # A range can be specified like 5-7 or 5-. | |
481 | if ($choice =~ /^(\d+)-(\d*)$/) { | |
482 | ($bottom, $top) = ($1, length($2) ? $2 : 1 + @stuff); | |
483 | } | |
484 | elsif ($choice =~ /^\d+$/) { | |
485 | $bottom = $top = $choice; | |
486 | } | |
487 | elsif ($choice eq '*') { | |
488 | $bottom = 1; | |
489 | $top = 1 + @stuff; | |
490 | } | |
491 | else { | |
492 | $bottom = $top = find_unique($choice, @stuff); | |
493 | if (!defined $bottom) { | |
494 | error_msg "Huh ($choice)?\n"; | |
495 | next TOPLOOP; | |
496 | } | |
497 | } | |
498 | if ($opts->{SINGLETON} && $bottom != $top) { | |
499 | error_msg "Huh ($choice)?\n"; | |
500 | next TOPLOOP; | |
501 | } | |
502 | for ($i = $bottom-1; $i <= $top-1; $i++) { | |
503 | next if (@stuff <= $i || $i < 0); | |
504 | $chosen[$i] = $choose; | |
505 | } | |
506 | } | |
507 | last if ($opts->{IMMEDIATE} || $line eq '*'); | |
508 | } | |
509 | for ($i = 0; $i < @stuff; $i++) { | |
510 | if ($chosen[$i]) { | |
511 | push @return, $stuff[$i]; | |
512 | } | |
513 | } | |
514 | return @return; | |
515 | } | |
516 | ||
517 | sub singleton_prompt_help_cmd { | |
518 | print colored $help_color, <<\EOF ; | |
519 | Prompt help: | |
520 | 1 - select a numbered item | |
521 | foo - select item based on unique prefix | |
522 | - (empty) select nothing | |
523 | EOF | |
524 | } | |
525 | ||
526 | sub prompt_help_cmd { | |
527 | print colored $help_color, <<\EOF ; | |
528 | Prompt help: | |
529 | 1 - select a single item | |
530 | 3-5 - select a range of items | |
531 | 2-3,6-9 - select multiple ranges | |
532 | foo - select item based on unique prefix | |
533 | -... - unselect specified items | |
534 | * - choose all items | |
535 | - (empty) finish selecting | |
536 | EOF | |
537 | } | |
538 | ||
539 | sub status_cmd { | |
540 | list_and_choose({ LIST_ONLY => 1, HEADER => $status_head }, | |
541 | list_modified()); | |
542 | print "\n"; | |
543 | } | |
544 | ||
545 | sub say_n_paths { | |
546 | my $did = shift @_; | |
547 | my $cnt = scalar @_; | |
548 | print "$did "; | |
549 | if (1 < $cnt) { | |
550 | print "$cnt paths\n"; | |
551 | } | |
552 | else { | |
553 | print "one path\n"; | |
554 | } | |
555 | } | |
556 | ||
557 | sub update_cmd { | |
558 | my @mods = list_modified('file-only'); | |
559 | return if (!@mods); | |
560 | ||
561 | my @update = list_and_choose({ PROMPT => 'Update', | |
562 | HEADER => $status_head, }, | |
563 | @mods); | |
564 | if (@update) { | |
565 | system(qw(git update-index --add --remove --), | |
566 | map { $_->{VALUE} } @update); | |
567 | say_n_paths('updated', @update); | |
568 | } | |
569 | print "\n"; | |
570 | } | |
571 | ||
572 | sub revert_cmd { | |
573 | my @update = list_and_choose({ PROMPT => 'Revert', | |
574 | HEADER => $status_head, }, | |
575 | list_modified()); | |
576 | if (@update) { | |
577 | if (is_initial_commit()) { | |
578 | system(qw(git rm --cached), | |
579 | map { $_->{VALUE} } @update); | |
580 | } | |
581 | else { | |
582 | my @lines = run_cmd_pipe(qw(git ls-tree HEAD --), | |
583 | map { $_->{VALUE} } @update); | |
584 | my $fh; | |
585 | open $fh, '| git update-index --index-info' | |
586 | or die; | |
587 | for (@lines) { | |
588 | print $fh $_; | |
589 | } | |
590 | close($fh); | |
591 | for (@update) { | |
592 | if ($_->{INDEX_ADDDEL} && | |
593 | $_->{INDEX_ADDDEL} eq 'create') { | |
594 | system(qw(git update-index --force-remove --), | |
595 | $_->{VALUE}); | |
596 | print "note: $_->{VALUE} is untracked now.\n"; | |
597 | } | |
598 | } | |
599 | } | |
600 | refresh(); | |
601 | say_n_paths('reverted', @update); | |
602 | } | |
603 | print "\n"; | |
604 | } | |
605 | ||
606 | sub add_untracked_cmd { | |
607 | my @add = list_and_choose({ PROMPT => 'Add untracked' }, | |
608 | list_untracked()); | |
609 | if (@add) { | |
610 | system(qw(git update-index --add --), @add); | |
611 | say_n_paths('added', @add); | |
612 | } | |
613 | print "\n"; | |
614 | } | |
615 | ||
616 | sub parse_diff { | |
617 | my ($path) = @_; | |
618 | my @diff = run_cmd_pipe(qw(git diff-files -p --), $path); | |
619 | my @colored = (); | |
620 | if ($diff_use_color) { | |
621 | @colored = run_cmd_pipe(qw(git diff-files -p --color --), $path); | |
622 | } | |
623 | my (@hunk) = { TEXT => [], DISPLAY => [], TYPE => 'header' }; | |
624 | ||
625 | for (my $i = 0; $i < @diff; $i++) { | |
626 | if ($diff[$i] =~ /^@@ /) { | |
627 | push @hunk, { TEXT => [], DISPLAY => [], | |
628 | TYPE => 'hunk' }; | |
629 | } | |
630 | push @{$hunk[-1]{TEXT}}, $diff[$i]; | |
631 | push @{$hunk[-1]{DISPLAY}}, | |
632 | ($diff_use_color ? $colored[$i] : $diff[$i]); | |
633 | } | |
634 | return @hunk; | |
635 | } | |
636 | ||
637 | sub parse_diff_header { | |
638 | my $src = shift; | |
639 | ||
640 | my $head = { TEXT => [], DISPLAY => [], TYPE => 'header' }; | |
641 | my $mode = { TEXT => [], DISPLAY => [], TYPE => 'mode' }; | |
642 | ||
643 | for (my $i = 0; $i < @{$src->{TEXT}}; $i++) { | |
644 | my $dest = $src->{TEXT}->[$i] =~ /^(old|new) mode (\d+)$/ ? | |
645 | $mode : $head; | |
646 | push @{$dest->{TEXT}}, $src->{TEXT}->[$i]; | |
647 | push @{$dest->{DISPLAY}}, $src->{DISPLAY}->[$i]; | |
648 | } | |
649 | return ($head, $mode); | |
650 | } | |
651 | ||
652 | sub hunk_splittable { | |
653 | my ($text) = @_; | |
654 | ||
655 | my @s = split_hunk($text); | |
656 | return (1 < @s); | |
657 | } | |
658 | ||
659 | sub parse_hunk_header { | |
660 | my ($line) = @_; | |
661 | my ($o_ofs, $o_cnt, $n_ofs, $n_cnt) = | |
662 | $line =~ /^@@ -(\d+)(?:,(\d+))? \+(\d+)(?:,(\d+))? @@/; | |
663 | $o_cnt = 1 unless defined $o_cnt; | |
664 | $n_cnt = 1 unless defined $n_cnt; | |
665 | return ($o_ofs, $o_cnt, $n_ofs, $n_cnt); | |
666 | } | |
667 | ||
668 | sub split_hunk { | |
669 | my ($text, $display) = @_; | |
670 | my @split = (); | |
671 | if (!defined $display) { | |
672 | $display = $text; | |
673 | } | |
674 | # If there are context lines in the middle of a hunk, | |
675 | # it can be split, but we would need to take care of | |
676 | # overlaps later. | |
677 | ||
678 | my ($o_ofs, undef, $n_ofs) = parse_hunk_header($text->[0]); | |
679 | my $hunk_start = 1; | |
680 | ||
681 | OUTER: | |
682 | while (1) { | |
683 | my $next_hunk_start = undef; | |
684 | my $i = $hunk_start - 1; | |
685 | my $this = +{ | |
686 | TEXT => [], | |
687 | DISPLAY => [], | |
688 | TYPE => 'hunk', | |
689 | OLD => $o_ofs, | |
690 | NEW => $n_ofs, | |
691 | OCNT => 0, | |
692 | NCNT => 0, | |
693 | ADDDEL => 0, | |
694 | POSTCTX => 0, | |
695 | USE => undef, | |
696 | }; | |
697 | ||
698 | while (++$i < @$text) { | |
699 | my $line = $text->[$i]; | |
700 | my $display = $display->[$i]; | |
701 | if ($line =~ /^ /) { | |
702 | if ($this->{ADDDEL} && | |
703 | !defined $next_hunk_start) { | |
704 | # We have seen leading context and | |
705 | # adds/dels and then here is another | |
706 | # context, which is trailing for this | |
707 | # split hunk and leading for the next | |
708 | # one. | |
709 | $next_hunk_start = $i; | |
710 | } | |
711 | push @{$this->{TEXT}}, $line; | |
712 | push @{$this->{DISPLAY}}, $display; | |
713 | $this->{OCNT}++; | |
714 | $this->{NCNT}++; | |
715 | if (defined $next_hunk_start) { | |
716 | $this->{POSTCTX}++; | |
717 | } | |
718 | next; | |
719 | } | |
720 | ||
721 | # add/del | |
722 | if (defined $next_hunk_start) { | |
723 | # We are done with the current hunk and | |
724 | # this is the first real change for the | |
725 | # next split one. | |
726 | $hunk_start = $next_hunk_start; | |
727 | $o_ofs = $this->{OLD} + $this->{OCNT}; | |
728 | $n_ofs = $this->{NEW} + $this->{NCNT}; | |
729 | $o_ofs -= $this->{POSTCTX}; | |
730 | $n_ofs -= $this->{POSTCTX}; | |
731 | push @split, $this; | |
732 | redo OUTER; | |
733 | } | |
734 | push @{$this->{TEXT}}, $line; | |
735 | push @{$this->{DISPLAY}}, $display; | |
736 | $this->{ADDDEL}++; | |
737 | if ($line =~ /^-/) { | |
738 | $this->{OCNT}++; | |
739 | } | |
740 | else { | |
741 | $this->{NCNT}++; | |
742 | } | |
743 | } | |
744 | ||
745 | push @split, $this; | |
746 | last; | |
747 | } | |
748 | ||
749 | for my $hunk (@split) { | |
750 | $o_ofs = $hunk->{OLD}; | |
751 | $n_ofs = $hunk->{NEW}; | |
752 | my $o_cnt = $hunk->{OCNT}; | |
753 | my $n_cnt = $hunk->{NCNT}; | |
754 | ||
755 | my $head = ("@@ -$o_ofs" . | |
756 | (($o_cnt != 1) ? ",$o_cnt" : '') . | |
757 | " +$n_ofs" . | |
758 | (($n_cnt != 1) ? ",$n_cnt" : '') . | |
759 | " @@\n"); | |
760 | my $display_head = $head; | |
761 | unshift @{$hunk->{TEXT}}, $head; | |
762 | if ($diff_use_color) { | |
763 | $display_head = colored($fraginfo_color, $head); | |
764 | } | |
765 | unshift @{$hunk->{DISPLAY}}, $display_head; | |
766 | } | |
767 | return @split; | |
768 | } | |
769 | ||
770 | ||
771 | sub color_diff { | |
772 | return map { | |
773 | colored((/^@/ ? $fraginfo_color : | |
774 | /^\+/ ? $diff_new_color : | |
775 | /^-/ ? $diff_old_color : | |
776 | $diff_plain_color), | |
777 | $_); | |
778 | } @_; | |
779 | } | |
780 | ||
781 | sub edit_hunk_manually { | |
782 | my ($oldtext) = @_; | |
783 | ||
784 | my $hunkfile = $repo->repo_path . "/addp-hunk-edit.diff"; | |
785 | my $fh; | |
786 | open $fh, '>', $hunkfile | |
787 | or die "failed to open hunk edit file for writing: " . $!; | |
788 | print $fh "# Manual hunk edit mode -- see bottom for a quick guide\n"; | |
789 | print $fh @$oldtext; | |
790 | print $fh <<EOF; | |
791 | # --- | |
792 | # To remove '-' lines, make them ' ' lines (context). | |
793 | # To remove '+' lines, delete them. | |
794 | # Lines starting with # will be removed. | |
795 | # | |
796 | # If the patch applies cleanly, the edited hunk will immediately be | |
797 | # marked for staging. If it does not apply cleanly, you will be given | |
798 | # an opportunity to edit again. If all lines of the hunk are removed, | |
799 | # then the edit is aborted and the hunk is left unchanged. | |
800 | EOF | |
801 | close $fh; | |
802 | ||
803 | my $editor = $ENV{GIT_EDITOR} || $repo->config("core.editor") | |
804 | || $ENV{VISUAL} || $ENV{EDITOR} || "vi"; | |
805 | system('sh', '-c', $editor.' "$@"', $editor, $hunkfile); | |
806 | ||
807 | if ($? != 0) { | |
808 | return undef; | |
809 | } | |
810 | ||
811 | open $fh, '<', $hunkfile | |
812 | or die "failed to open hunk edit file for reading: " . $!; | |
813 | my @newtext = grep { !/^#/ } <$fh>; | |
814 | close $fh; | |
815 | unlink $hunkfile; | |
816 | ||
817 | # Abort if nothing remains | |
818 | if (!grep { /\S/ } @newtext) { | |
819 | return undef; | |
820 | } | |
821 | ||
822 | # Reinsert the first hunk header if the user accidentally deleted it | |
823 | if ($newtext[0] !~ /^@/) { | |
824 | unshift @newtext, $oldtext->[0]; | |
825 | } | |
826 | return \@newtext; | |
827 | } | |
828 | ||
829 | sub diff_applies { | |
830 | my $fh; | |
831 | open $fh, '| git apply --recount --cached --check'; | |
832 | for my $h (@_) { | |
833 | print $fh @{$h->{TEXT}}; | |
834 | } | |
835 | return close $fh; | |
836 | } | |
837 | ||
838 | sub _restore_terminal_and_die { | |
839 | ReadMode 'restore'; | |
840 | print "\n"; | |
841 | exit 1; | |
842 | } | |
843 | ||
844 | sub prompt_single_character { | |
845 | if ($use_readkey) { | |
846 | local $SIG{TERM} = \&_restore_terminal_and_die; | |
847 | local $SIG{INT} = \&_restore_terminal_and_die; | |
848 | ReadMode 'cbreak'; | |
849 | my $key = ReadKey 0; | |
850 | ReadMode 'restore'; | |
851 | print "$key" if defined $key; | |
852 | print "\n"; | |
853 | return $key; | |
854 | } else { | |
855 | return <STDIN>; | |
856 | } | |
857 | } | |
858 | ||
859 | sub prompt_yesno { | |
860 | my ($prompt) = @_; | |
861 | while (1) { | |
862 | print colored $prompt_color, $prompt; | |
863 | my $line = prompt_single_character; | |
864 | return 0 if $line =~ /^n/i; | |
865 | return 1 if $line =~ /^y/i; | |
866 | } | |
867 | } | |
868 | ||
869 | sub edit_hunk_loop { | |
870 | my ($head, $hunk, $ix) = @_; | |
871 | my $text = $hunk->[$ix]->{TEXT}; | |
872 | ||
873 | while (1) { | |
874 | $text = edit_hunk_manually($text); | |
875 | if (!defined $text) { | |
876 | return undef; | |
877 | } | |
878 | my $newhunk = { | |
879 | TEXT => $text, | |
880 | TYPE => $hunk->[$ix]->{TYPE}, | |
881 | USE => 1 | |
882 | }; | |
883 | if (diff_applies($head, | |
884 | @{$hunk}[0..$ix-1], | |
885 | $newhunk, | |
886 | @{$hunk}[$ix+1..$#{$hunk}])) { | |
887 | $newhunk->{DISPLAY} = [color_diff(@{$text})]; | |
888 | return $newhunk; | |
889 | } | |
890 | else { | |
891 | prompt_yesno( | |
892 | 'Your edited hunk does not apply. Edit again ' | |
893 | . '(saying "no" discards!) [y/n]? ' | |
894 | ) or return undef; | |
895 | } | |
896 | } | |
897 | } | |
898 | ||
899 | sub help_patch_cmd { | |
900 | print colored $help_color, <<\EOF ; | |
901 | y - stage this hunk | |
902 | n - do not stage this hunk | |
903 | q - quit, do not stage this hunk nor any of the remaining ones | |
904 | a - stage this and all the remaining hunks in the file | |
905 | d - do not stage this hunk nor any of the remaining hunks in the file | |
906 | g - select a hunk to go to | |
907 | / - search for a hunk matching the given regex | |
908 | j - leave this hunk undecided, see next undecided hunk | |
909 | J - leave this hunk undecided, see next hunk | |
910 | k - leave this hunk undecided, see previous undecided hunk | |
911 | K - leave this hunk undecided, see previous hunk | |
912 | s - split the current hunk into smaller hunks | |
913 | e - manually edit the current hunk | |
914 | ? - print help | |
915 | EOF | |
916 | } | |
917 | ||
918 | sub patch_update_cmd { | |
919 | my @all_mods = list_modified('file-only'); | |
920 | my @mods = grep { !($_->{BINARY}) } @all_mods; | |
921 | my @them; | |
922 | ||
923 | if (!@mods) { | |
924 | if (@all_mods) { | |
925 | print STDERR "Only binary files changed.\n"; | |
926 | } else { | |
927 | print STDERR "No changes.\n"; | |
928 | } | |
929 | return 0; | |
930 | } | |
931 | if ($patch_mode) { | |
932 | @them = @mods; | |
933 | } | |
934 | else { | |
935 | @them = list_and_choose({ PROMPT => 'Patch update', | |
936 | HEADER => $status_head, }, | |
937 | @mods); | |
938 | } | |
939 | for (@them) { | |
940 | return 0 if patch_update_file($_->{VALUE}); | |
941 | } | |
942 | } | |
943 | ||
944 | # Generate a one line summary of a hunk. | |
945 | sub summarize_hunk { | |
946 | my $rhunk = shift; | |
947 | my $summary = $rhunk->{TEXT}[0]; | |
948 | ||
949 | # Keep the line numbers, discard extra context. | |
950 | $summary =~ s/@@(.*?)@@.*/$1 /s; | |
951 | $summary .= " " x (20 - length $summary); | |
952 | ||
953 | # Add some user context. | |
954 | for my $line (@{$rhunk->{TEXT}}) { | |
955 | if ($line =~ m/^[+-].*\w/) { | |
956 | $summary .= $line; | |
957 | last; | |
958 | } | |
959 | } | |
960 | ||
961 | chomp $summary; | |
962 | return substr($summary, 0, 80) . "\n"; | |
963 | } | |
964 | ||
965 | ||
966 | # Print a one-line summary of each hunk in the array ref in | |
967 | # the first argument, starting wih the index in the 2nd. | |
968 | sub display_hunks { | |
969 | my ($hunks, $i) = @_; | |
970 | my $ctr = 0; | |
971 | $i ||= 0; | |
972 | for (; $i < @$hunks && $ctr < 20; $i++, $ctr++) { | |
973 | my $status = " "; | |
974 | if (defined $hunks->[$i]{USE}) { | |
975 | $status = $hunks->[$i]{USE} ? "+" : "-"; | |
976 | } | |
977 | printf "%s%2d: %s", | |
978 | $status, | |
979 | $i + 1, | |
980 | summarize_hunk($hunks->[$i]); | |
981 | } | |
982 | return $i; | |
983 | } | |
984 | ||
985 | sub patch_update_file { | |
986 | my $quit = 0; | |
987 | my ($ix, $num); | |
988 | my $path = shift; | |
989 | my ($head, @hunk) = parse_diff($path); | |
990 | ($head, my $mode) = parse_diff_header($head); | |
991 | for (@{$head->{DISPLAY}}) { | |
992 | print; | |
993 | } | |
994 | ||
995 | if (@{$mode->{TEXT}}) { | |
996 | unshift @hunk, $mode; | |
997 | } | |
998 | ||
999 | $num = scalar @hunk; | |
1000 | $ix = 0; | |
1001 | ||
1002 | while (1) { | |
1003 | my ($prev, $next, $other, $undecided, $i); | |
1004 | $other = ''; | |
1005 | ||
1006 | if ($num <= $ix) { | |
1007 | $ix = 0; | |
1008 | } | |
1009 | for ($i = 0; $i < $ix; $i++) { | |
1010 | if (!defined $hunk[$i]{USE}) { | |
1011 | $prev = 1; | |
1012 | $other .= ',k'; | |
1013 | last; | |
1014 | } | |
1015 | } | |
1016 | if ($ix) { | |
1017 | $other .= ',K'; | |
1018 | } | |
1019 | for ($i = $ix + 1; $i < $num; $i++) { | |
1020 | if (!defined $hunk[$i]{USE}) { | |
1021 | $next = 1; | |
1022 | $other .= ',j'; | |
1023 | last; | |
1024 | } | |
1025 | } | |
1026 | if ($ix < $num - 1) { | |
1027 | $other .= ',J'; | |
1028 | } | |
1029 | if ($num > 1) { | |
1030 | $other .= ',g'; | |
1031 | } | |
1032 | for ($i = 0; $i < $num; $i++) { | |
1033 | if (!defined $hunk[$i]{USE}) { | |
1034 | $undecided = 1; | |
1035 | last; | |
1036 | } | |
1037 | } | |
1038 | last if (!$undecided); | |
1039 | ||
1040 | if ($hunk[$ix]{TYPE} eq 'hunk' && | |
1041 | hunk_splittable($hunk[$ix]{TEXT})) { | |
1042 | $other .= ',s'; | |
1043 | } | |
1044 | if ($hunk[$ix]{TYPE} eq 'hunk') { | |
1045 | $other .= ',e'; | |
1046 | } | |
1047 | for (@{$hunk[$ix]{DISPLAY}}) { | |
1048 | print; | |
1049 | } | |
1050 | print colored $prompt_color, 'Stage ', | |
1051 | ($hunk[$ix]{TYPE} eq 'mode' ? 'mode change' : 'this hunk'), | |
1052 | " [y,n,q,a,d,/$other,?]? "; | |
1053 | my $line = prompt_single_character; | |
1054 | if ($line) { | |
1055 | if ($line =~ /^y/i) { | |
1056 | $hunk[$ix]{USE} = 1; | |
1057 | } | |
1058 | elsif ($line =~ /^n/i) { | |
1059 | $hunk[$ix]{USE} = 0; | |
1060 | } | |
1061 | elsif ($line =~ /^a/i) { | |
1062 | while ($ix < $num) { | |
1063 | if (!defined $hunk[$ix]{USE}) { | |
1064 | $hunk[$ix]{USE} = 1; | |
1065 | } | |
1066 | $ix++; | |
1067 | } | |
1068 | next; | |
1069 | } | |
1070 | elsif ($other =~ /g/ && $line =~ /^g(.*)/) { | |
1071 | my $response = $1; | |
1072 | my $no = $ix > 10 ? $ix - 10 : 0; | |
1073 | while ($response eq '') { | |
1074 | my $extra = ""; | |
1075 | $no = display_hunks(\@hunk, $no); | |
1076 | if ($no < $num) { | |
1077 | $extra = " (<ret> to see more)"; | |
1078 | } | |
1079 | print "go to which hunk$extra? "; | |
1080 | $response = <STDIN>; | |
1081 | if (!defined $response) { | |
1082 | $response = ''; | |
1083 | } | |
1084 | chomp $response; | |
1085 | } | |
1086 | if ($response !~ /^\s*\d+\s*$/) { | |
1087 | error_msg "Invalid number: '$response'\n"; | |
1088 | } elsif (0 < $response && $response <= $num) { | |
1089 | $ix = $response - 1; | |
1090 | } else { | |
1091 | error_msg "Sorry, only $num hunks available.\n"; | |
1092 | } | |
1093 | next; | |
1094 | } | |
1095 | elsif ($line =~ /^d/i) { | |
1096 | while ($ix < $num) { | |
1097 | if (!defined $hunk[$ix]{USE}) { | |
1098 | $hunk[$ix]{USE} = 0; | |
1099 | } | |
1100 | $ix++; | |
1101 | } | |
1102 | next; | |
1103 | } | |
1104 | elsif ($line =~ /^q/i) { | |
1105 | while ($ix < $num) { | |
1106 | if (!defined $hunk[$ix]{USE}) { | |
1107 | $hunk[$ix]{USE} = 0; | |
1108 | } | |
1109 | $ix++; | |
1110 | } | |
1111 | $quit = 1; | |
1112 | next; | |
1113 | } | |
1114 | elsif ($line =~ m|^/(.*)|) { | |
1115 | my $regex = $1; | |
1116 | if ($1 eq "") { | |
1117 | print colored $prompt_color, "search for regex? "; | |
1118 | $regex = <STDIN>; | |
1119 | if (defined $regex) { | |
1120 | chomp $regex; | |
1121 | } | |
1122 | } | |
1123 | my $search_string; | |
1124 | eval { | |
1125 | $search_string = qr{$regex}m; | |
1126 | }; | |
1127 | if ($@) { | |
1128 | my ($err,$exp) = ($@, $1); | |
1129 | $err =~ s/ at .*git-add--interactive line \d+, <STDIN> line \d+.*$//; | |
1130 | error_msg "Malformed search regexp $exp: $err\n"; | |
1131 | next; | |
1132 | } | |
1133 | my $iy = $ix; | |
1134 | while (1) { | |
1135 | my $text = join ("", @{$hunk[$iy]{TEXT}}); | |
1136 | last if ($text =~ $search_string); | |
1137 | $iy++; | |
1138 | $iy = 0 if ($iy >= $num); | |
1139 | if ($ix == $iy) { | |
1140 | error_msg "No hunk matches the given pattern\n"; | |
1141 | last; | |
1142 | } | |
1143 | } | |
1144 | $ix = $iy; | |
1145 | next; | |
1146 | } | |
1147 | elsif ($line =~ /^K/) { | |
1148 | if ($other =~ /K/) { | |
1149 | $ix--; | |
1150 | } | |
1151 | else { | |
1152 | error_msg "No previous hunk\n"; | |
1153 | } | |
1154 | next; | |
1155 | } | |
1156 | elsif ($line =~ /^J/) { | |
1157 | if ($other =~ /J/) { | |
1158 | $ix++; | |
1159 | } | |
1160 | else { | |
1161 | error_msg "No next hunk\n"; | |
1162 | } | |
1163 | next; | |
1164 | } | |
1165 | elsif ($line =~ /^k/) { | |
1166 | if ($other =~ /k/) { | |
1167 | while (1) { | |
1168 | $ix--; | |
1169 | last if (!$ix || | |
1170 | !defined $hunk[$ix]{USE}); | |
1171 | } | |
1172 | } | |
1173 | else { | |
1174 | error_msg "No previous hunk\n"; | |
1175 | } | |
1176 | next; | |
1177 | } | |
1178 | elsif ($line =~ /^j/) { | |
1179 | if ($other !~ /j/) { | |
1180 | error_msg "No next hunk\n"; | |
1181 | next; | |
1182 | } | |
1183 | } | |
1184 | elsif ($other =~ /s/ && $line =~ /^s/) { | |
1185 | my @split = split_hunk($hunk[$ix]{TEXT}, $hunk[$ix]{DISPLAY}); | |
1186 | if (1 < @split) { | |
1187 | print colored $header_color, "Split into ", | |
1188 | scalar(@split), " hunks.\n"; | |
1189 | } | |
1190 | splice (@hunk, $ix, 1, @split); | |
1191 | $num = scalar @hunk; | |
1192 | next; | |
1193 | } | |
1194 | elsif ($other =~ /e/ && $line =~ /^e/) { | |
1195 | my $newhunk = edit_hunk_loop($head, \@hunk, $ix); | |
1196 | if (defined $newhunk) { | |
1197 | splice @hunk, $ix, 1, $newhunk; | |
1198 | } | |
1199 | } | |
1200 | else { | |
1201 | help_patch_cmd($other); | |
1202 | next; | |
1203 | } | |
1204 | # soft increment | |
1205 | while (1) { | |
1206 | $ix++; | |
1207 | last if ($ix >= $num || | |
1208 | !defined $hunk[$ix]{USE}); | |
1209 | } | |
1210 | } | |
1211 | } | |
1212 | ||
1213 | my $n_lofs = 0; | |
1214 | my @result = (); | |
1215 | for (@hunk) { | |
1216 | if ($_->{USE}) { | |
1217 | push @result, @{$_->{TEXT}}; | |
1218 | } | |
1219 | } | |
1220 | ||
1221 | if (@result) { | |
1222 | my $fh; | |
1223 | ||
1224 | open $fh, '| git apply --cached --recount'; | |
1225 | for (@{$head->{TEXT}}, @result) { | |
1226 | print $fh $_; | |
1227 | } | |
1228 | if (!close $fh) { | |
1229 | for (@{$head->{TEXT}}, @result) { | |
1230 | print STDERR $_; | |
1231 | } | |
1232 | } | |
1233 | refresh(); | |
1234 | } | |
1235 | ||
1236 | print "\n"; | |
1237 | return $quit; | |
1238 | } | |
1239 | ||
1240 | sub diff_cmd { | |
1241 | my @mods = list_modified('index-only'); | |
1242 | @mods = grep { !($_->{BINARY}) } @mods; | |
1243 | return if (!@mods); | |
1244 | my (@them) = list_and_choose({ PROMPT => 'Review diff', | |
1245 | IMMEDIATE => 1, | |
1246 | HEADER => $status_head, }, | |
1247 | @mods); | |
1248 | return if (!@them); | |
1249 | my $reference = is_initial_commit() ? get_empty_tree() : 'HEAD'; | |
1250 | system(qw(git diff -p --cached), $reference, '--', | |
1251 | map { $_->{VALUE} } @them); | |
1252 | } | |
1253 | ||
1254 | sub quit_cmd { | |
1255 | print "Bye.\n"; | |
1256 | exit(0); | |
1257 | } | |
1258 | ||
1259 | sub help_cmd { | |
1260 | print colored $help_color, <<\EOF ; | |
1261 | status - show paths with changes | |
1262 | update - add working tree state to the staged set of changes | |
1263 | revert - revert staged set of changes back to the HEAD version | |
1264 | patch - pick hunks and update selectively | |
1265 | diff - view diff between HEAD and index | |
1266 | add untracked - add contents of untracked files to the staged set of changes | |
1267 | EOF | |
1268 | } | |
1269 | ||
1270 | sub process_args { | |
1271 | return unless @ARGV; | |
1272 | my $arg = shift @ARGV; | |
1273 | if ($arg eq "--patch") { | |
1274 | $patch_mode = 1; | |
1275 | $arg = shift @ARGV or die "missing --"; | |
1276 | die "invalid argument $arg, expecting --" | |
1277 | unless $arg eq "--"; | |
1278 | } | |
1279 | elsif ($arg ne "--") { | |
1280 | die "invalid argument $arg, expecting --"; | |
1281 | } | |
1282 | } | |
1283 | ||
1284 | sub main_loop { | |
1285 | my @cmd = ([ 'status', \&status_cmd, ], | |
1286 | [ 'update', \&update_cmd, ], | |
1287 | [ 'revert', \&revert_cmd, ], | |
1288 | [ 'add untracked', \&add_untracked_cmd, ], | |
1289 | [ 'patch', \&patch_update_cmd, ], | |
1290 | [ 'diff', \&diff_cmd, ], | |
1291 | [ 'quit', \&quit_cmd, ], | |
1292 | [ 'help', \&help_cmd, ], | |
1293 | ); | |
1294 | while (1) { | |
1295 | my ($it) = list_and_choose({ PROMPT => 'What now', | |
1296 | SINGLETON => 1, | |
1297 | LIST_FLAT => 4, | |
1298 | HEADER => '*** Commands ***', | |
1299 | ON_EOF => \&quit_cmd, | |
1300 | IMMEDIATE => 1 }, @cmd); | |
1301 | if ($it) { | |
1302 | eval { | |
1303 | $it->[1]->(); | |
1304 | }; | |
1305 | if ($@) { | |
1306 | print "$@"; | |
1307 | } | |
1308 | } | |
1309 | } | |
1310 | } | |
1311 | ||
1312 | process_args(); | |
1313 | refresh(); | |
1314 | if ($patch_mode) { | |
1315 | patch_update_cmd(); | |
1316 | } | |
1317 | else { | |
1318 | status_cmd(); | |
1319 | main_loop(); | |
1320 | } |