Code

git-filter-branch: document --original option
[git.git] / git-add--interactive.perl
1 #!/usr/bin/perl -w
3 use strict;
5 sub run_cmd_pipe {
6         if ($^O eq 'MSWin32') {
7                 my @invalid = grep {m/[":*]/} @_;
8                 die "$^O does not support: @invalid\n" if @invalid;
9                 my @args = map { m/ /o ? "\"$_\"": $_ } @_;
10                 return qx{@args};
11         } else {
12                 my $fh = undef;
13                 open($fh, '-|', @_) or die;
14                 return <$fh>;
15         }
16 }
18 my ($GIT_DIR) = run_cmd_pipe(qw(git rev-parse --git-dir));
20 if (!defined $GIT_DIR) {
21         exit(1); # rev-parse would have already said "not a git repo"
22 }
23 chomp($GIT_DIR);
25 sub refresh {
26         my $fh;
27         open $fh, 'git update-index --refresh |'
28             or die;
29         while (<$fh>) {
30                 ;# ignore 'needs update'
31         }
32         close $fh;
33 }
35 sub list_untracked {
36         map {
37                 chomp $_;
38                 $_;
39         }
40         run_cmd_pipe(qw(git ls-files --others
41                         --exclude-per-directory=.gitignore),
42                      "--exclude-from=$GIT_DIR/info/exclude",
43                      '--', @_);
44 }
46 my $status_fmt = '%12s %12s %s';
47 my $status_head = sprintf($status_fmt, 'staged', 'unstaged', 'path');
49 # Returns list of hashes, contents of each of which are:
50 # PRINT:        print message
51 # VALUE:        pathname
52 # BINARY:       is a binary path
53 # INDEX:        is index different from HEAD?
54 # FILE:         is file different from index?
55 # INDEX_ADDDEL: is it add/delete between HEAD and index?
56 # FILE_ADDDEL:  is it add/delete between index and file?
58 sub list_modified {
59         my ($only) = @_;
60         my (%data, @return);
61         my ($add, $del, $adddel, $file);
63         for (run_cmd_pipe(qw(git diff-index --cached
64                              --numstat --summary HEAD))) {
65                 if (($add, $del, $file) =
66                     /^([-\d]+)  ([-\d]+)        (.*)/) {
67                         my ($change, $bin);
68                         if ($add eq '-' && $del eq '-') {
69                                 $change = 'binary';
70                                 $bin = 1;
71                         }
72                         else {
73                                 $change = "+$add/-$del";
74                         }
75                         $data{$file} = {
76                                 INDEX => $change,
77                                 BINARY => $bin,
78                                 FILE => 'nothing',
79                         }
80                 }
81                 elsif (($adddel, $file) =
82                        /^ (create|delete) mode [0-7]+ (.*)$/) {
83                         $data{$file}{INDEX_ADDDEL} = $adddel;
84                 }
85         }
87         for (run_cmd_pipe(qw(git diff-files --numstat --summary))) {
88                 if (($add, $del, $file) =
89                     /^([-\d]+)  ([-\d]+)        (.*)/) {
90                         if (!exists $data{$file}) {
91                                 $data{$file} = +{
92                                         INDEX => 'unchanged',
93                                         BINARY => 0,
94                                 };
95                         }
96                         my ($change, $bin);
97                         if ($add eq '-' && $del eq '-') {
98                                 $change = 'binary';
99                                 $bin = 1;
100                         }
101                         else {
102                                 $change = "+$add/-$del";
103                         }
104                         $data{$file}{FILE} = $change;
105                         if ($bin) {
106                                 $data{$file}{BINARY} = 1;
107                         }
108                 }
109                 elsif (($adddel, $file) =
110                        /^ (create|delete) mode [0-7]+ (.*)$/) {
111                         $data{$file}{FILE_ADDDEL} = $adddel;
112                 }
113         }
115         for (sort keys %data) {
116                 my $it = $data{$_};
118                 if ($only) {
119                         if ($only eq 'index-only') {
120                                 next if ($it->{INDEX} eq 'unchanged');
121                         }
122                         if ($only eq 'file-only') {
123                                 next if ($it->{FILE} eq 'nothing');
124                         }
125                 }
126                 push @return, +{
127                         VALUE => $_,
128                         PRINT => (sprintf $status_fmt,
129                                   $it->{INDEX}, $it->{FILE}, $_),
130                         %$it,
131                 };
132         }
133         return @return;
136 sub find_unique {
137         my ($string, @stuff) = @_;
138         my $found = undef;
139         for (my $i = 0; $i < @stuff; $i++) {
140                 my $it = $stuff[$i];
141                 my $hit = undef;
142                 if (ref $it) {
143                         if ((ref $it) eq 'ARRAY') {
144                                 $it = $it->[0];
145                         }
146                         else {
147                                 $it = $it->{VALUE};
148                         }
149                 }
150                 eval {
151                         if ($it =~ /^$string/) {
152                                 $hit = 1;
153                         };
154                 };
155                 if (defined $hit && defined $found) {
156                         return undef;
157                 }
158                 if ($hit) {
159                         $found = $i + 1;
160                 }
161         }
162         return $found;
165 sub list_and_choose {
166         my ($opts, @stuff) = @_;
167         my (@chosen, @return);
168         my $i;
170       TOPLOOP:
171         while (1) {
172                 my $last_lf = 0;
174                 if ($opts->{HEADER}) {
175                         if (!$opts->{LIST_FLAT}) {
176                                 print "     ";
177                         }
178                         print "$opts->{HEADER}\n";
179                 }
180                 for ($i = 0; $i < @stuff; $i++) {
181                         my $chosen = $chosen[$i] ? '*' : ' ';
182                         my $print = $stuff[$i];
183                         if (ref $print) {
184                                 if ((ref $print) eq 'ARRAY') {
185                                         $print = $print->[0];
186                                 }
187                                 else {
188                                         $print = $print->{PRINT};
189                                 }
190                         }
191                         printf("%s%2d: %s", $chosen, $i+1, $print);
192                         if (($opts->{LIST_FLAT}) &&
193                             (($i + 1) % ($opts->{LIST_FLAT}))) {
194                                 print "\t";
195                                 $last_lf = 0;
196                         }
197                         else {
198                                 print "\n";
199                                 $last_lf = 1;
200                         }
201                 }
202                 if (!$last_lf) {
203                         print "\n";
204                 }
206                 return if ($opts->{LIST_ONLY});
208                 print $opts->{PROMPT};
209                 if ($opts->{SINGLETON}) {
210                         print "> ";
211                 }
212                 else {
213                         print ">> ";
214                 }
215                 my $line = <STDIN>;
216                 last if (!$line);
217                 chomp $line;
218                 my $donesomething = 0;
219                 for my $choice (split(/[\s,]+/, $line)) {
220                         my $choose = 1;
221                         my ($bottom, $top);
223                         # Input that begins with '-'; unchoose
224                         if ($choice =~ s/^-//) {
225                                 $choose = 0;
226                         }
227                         # A range can be specified like 5-7
228                         if ($choice =~ /^(\d+)-(\d+)$/) {
229                                 ($bottom, $top) = ($1, $2);
230                         }
231                         elsif ($choice =~ /^\d+$/) {
232                                 $bottom = $top = $choice;
233                         }
234                         elsif ($choice eq '*') {
235                                 $bottom = 1;
236                                 $top = 1 + @stuff;
237                         }
238                         else {
239                                 $bottom = $top = find_unique($choice, @stuff);
240                                 if (!defined $bottom) {
241                                         print "Huh ($choice)?\n";
242                                         next TOPLOOP;
243                                 }
244                         }
245                         if ($opts->{SINGLETON} && $bottom != $top) {
246                                 print "Huh ($choice)?\n";
247                                 next TOPLOOP;
248                         }
249                         for ($i = $bottom-1; $i <= $top-1; $i++) {
250                                 next if (@stuff <= $i);
251                                 $chosen[$i] = $choose;
252                                 $donesomething++;
253                         }
254                 }
255                 last if (!$donesomething || $opts->{IMMEDIATE});
256         }
257         for ($i = 0; $i < @stuff; $i++) {
258                 if ($chosen[$i]) {
259                         push @return, $stuff[$i];
260                 }
261         }
262         return @return;
265 sub status_cmd {
266         list_and_choose({ LIST_ONLY => 1, HEADER => $status_head },
267                         list_modified());
268         print "\n";
271 sub say_n_paths {
272         my $did = shift @_;
273         my $cnt = scalar @_;
274         print "$did ";
275         if (1 < $cnt) {
276                 print "$cnt paths\n";
277         }
278         else {
279                 print "one path\n";
280         }
283 sub update_cmd {
284         my @mods = list_modified('file-only');
285         return if (!@mods);
287         my @update = list_and_choose({ PROMPT => 'Update',
288                                        HEADER => $status_head, },
289                                      @mods);
290         if (@update) {
291                 system(qw(git update-index --add --remove --),
292                        map { $_->{VALUE} } @update);
293                 say_n_paths('updated', @update);
294         }
295         print "\n";
298 sub revert_cmd {
299         my @update = list_and_choose({ PROMPT => 'Revert',
300                                        HEADER => $status_head, },
301                                      list_modified());
302         if (@update) {
303                 my @lines = run_cmd_pipe(qw(git ls-tree HEAD --),
304                                          map { $_->{VALUE} } @update);
305                 my $fh;
306                 open $fh, '| git update-index --index-info'
307                     or die;
308                 for (@lines) {
309                         print $fh $_;
310                 }
311                 close($fh);
312                 for (@update) {
313                         if ($_->{INDEX_ADDDEL} &&
314                             $_->{INDEX_ADDDEL} eq 'create') {
315                                 system(qw(git update-index --force-remove --),
316                                        $_->{VALUE});
317                                 print "note: $_->{VALUE} is untracked now.\n";
318                         }
319                 }
320                 refresh();
321                 say_n_paths('reverted', @update);
322         }
323         print "\n";
326 sub add_untracked_cmd {
327         my @add = list_and_choose({ PROMPT => 'Add untracked' },
328                                   list_untracked());
329         if (@add) {
330                 system(qw(git update-index --add --), @add);
331                 say_n_paths('added', @add);
332         }
333         print "\n";
336 sub parse_diff {
337         my ($path) = @_;
338         my @diff = run_cmd_pipe(qw(git diff-files -p --), $path);
339         my (@hunk) = { TEXT => [] };
341         for (@diff) {
342                 if (/^@@ /) {
343                         push @hunk, { TEXT => [] };
344                 }
345                 push @{$hunk[-1]{TEXT}}, $_;
346         }
347         return @hunk;
350 sub hunk_splittable {
351         my ($text) = @_;
353         my @s = split_hunk($text);
354         return (1 < @s);
357 sub parse_hunk_header {
358         my ($line) = @_;
359         my ($o_ofs, $o_cnt, $n_ofs, $n_cnt) =
360             $line =~ /^@@ -(\d+)(?:,(\d+)) \+(\d+)(?:,(\d+)) @@/;
361         return ($o_ofs, $o_cnt, $n_ofs, $n_cnt);
364 sub split_hunk {
365         my ($text) = @_;
366         my @split = ();
368         # If there are context lines in the middle of a hunk,
369         # it can be split, but we would need to take care of
370         # overlaps later.
372         my ($o_ofs, $o_cnt, $n_ofs, $n_cnt) = parse_hunk_header($text->[0]);
373         my $hunk_start = 1;
374         my $next_hunk_start;
376       OUTER:
377         while (1) {
378                 my $next_hunk_start = undef;
379                 my $i = $hunk_start - 1;
380                 my $this = +{
381                         TEXT => [],
382                         OLD => $o_ofs,
383                         NEW => $n_ofs,
384                         OCNT => 0,
385                         NCNT => 0,
386                         ADDDEL => 0,
387                         POSTCTX => 0,
388                 };
390                 while (++$i < @$text) {
391                         my $line = $text->[$i];
392                         if ($line =~ /^ /) {
393                                 if ($this->{ADDDEL} &&
394                                     !defined $next_hunk_start) {
395                                         # We have seen leading context and
396                                         # adds/dels and then here is another
397                                         # context, which is trailing for this
398                                         # split hunk and leading for the next
399                                         # one.
400                                         $next_hunk_start = $i;
401                                 }
402                                 push @{$this->{TEXT}}, $line;
403                                 $this->{OCNT}++;
404                                 $this->{NCNT}++;
405                                 if (defined $next_hunk_start) {
406                                         $this->{POSTCTX}++;
407                                 }
408                                 next;
409                         }
411                         # add/del
412                         if (defined $next_hunk_start) {
413                                 # We are done with the current hunk and
414                                 # this is the first real change for the
415                                 # next split one.
416                                 $hunk_start = $next_hunk_start;
417                                 $o_ofs = $this->{OLD} + $this->{OCNT};
418                                 $n_ofs = $this->{NEW} + $this->{NCNT};
419                                 $o_ofs -= $this->{POSTCTX};
420                                 $n_ofs -= $this->{POSTCTX};
421                                 push @split, $this;
422                                 redo OUTER;
423                         }
424                         push @{$this->{TEXT}}, $line;
425                         $this->{ADDDEL}++;
426                         if ($line =~ /^-/) {
427                                 $this->{OCNT}++;
428                         }
429                         else {
430                                 $this->{NCNT}++;
431                         }
432                 }
434                 push @split, $this;
435                 last;
436         }
438         for my $hunk (@split) {
439                 $o_ofs = $hunk->{OLD};
440                 $n_ofs = $hunk->{NEW};
441                 $o_cnt = $hunk->{OCNT};
442                 $n_cnt = $hunk->{NCNT};
444                 my $head = ("@@ -$o_ofs" .
445                             (($o_cnt != 1) ? ",$o_cnt" : '') .
446                             " +$n_ofs" .
447                             (($n_cnt != 1) ? ",$n_cnt" : '') .
448                             " @@\n");
449                 unshift @{$hunk->{TEXT}}, $head;
450         }
451         return map { $_->{TEXT} } @split;
454 sub find_last_o_ctx {
455         my ($it) = @_;
456         my $text = $it->{TEXT};
457         my ($o_ofs, $o_cnt, $n_ofs, $n_cnt) = parse_hunk_header($text->[0]);
458         my $i = @{$text};
459         my $last_o_ctx = $o_ofs + $o_cnt;
460         while (0 < --$i) {
461                 my $line = $text->[$i];
462                 if ($line =~ /^ /) {
463                         $last_o_ctx--;
464                         next;
465                 }
466                 last;
467         }
468         return $last_o_ctx;
471 sub merge_hunk {
472         my ($prev, $this) = @_;
473         my ($o0_ofs, $o0_cnt, $n0_ofs, $n0_cnt) =
474             parse_hunk_header($prev->{TEXT}[0]);
475         my ($o1_ofs, $o1_cnt, $n1_ofs, $n1_cnt) =
476             parse_hunk_header($this->{TEXT}[0]);
478         my (@line, $i, $ofs, $o_cnt, $n_cnt);
479         $ofs = $o0_ofs;
480         $o_cnt = $n_cnt = 0;
481         for ($i = 1; $i < @{$prev->{TEXT}}; $i++) {
482                 my $line = $prev->{TEXT}[$i];
483                 if ($line =~ /^\+/) {
484                         $n_cnt++;
485                         push @line, $line;
486                         next;
487                 }
489                 last if ($o1_ofs <= $ofs);
491                 $o_cnt++;
492                 $ofs++;
493                 if ($line =~ /^ /) {
494                         $n_cnt++;
495                 }
496                 push @line, $line;
497         }
499         for ($i = 1; $i < @{$this->{TEXT}}; $i++) {
500                 my $line = $this->{TEXT}[$i];
501                 if ($line =~ /^\+/) {
502                         $n_cnt++;
503                         push @line, $line;
504                         next;
505                 }
506                 $ofs++;
507                 $o_cnt++;
508                 if ($line =~ /^ /) {
509                         $n_cnt++;
510                 }
511                 push @line, $line;
512         }
513         my $head = ("@@ -$o0_ofs" .
514                     (($o_cnt != 1) ? ",$o_cnt" : '') .
515                     " +$n0_ofs" .
516                     (($n_cnt != 1) ? ",$n_cnt" : '') .
517                     " @@\n");
518         @{$prev->{TEXT}} = ($head, @line);
521 sub coalesce_overlapping_hunks {
522         my (@in) = @_;
523         my @out = ();
525         my ($last_o_ctx);
527         for (grep { $_->{USE} } @in) {
528                 my $text = $_->{TEXT};
529                 my ($o_ofs, $o_cnt, $n_ofs, $n_cnt) =
530                     parse_hunk_header($text->[0]);
531                 if (defined $last_o_ctx &&
532                     $o_ofs <= $last_o_ctx) {
533                         merge_hunk($out[-1], $_);
534                 }
535                 else {
536                         push @out, $_;
537                 }
538                 $last_o_ctx = find_last_o_ctx($out[-1]);
539         }
540         return @out;
543 sub help_patch_cmd {
544         print <<\EOF ;
545 y - stage this hunk
546 n - do not stage this hunk
547 a - stage this and all the remaining hunks
548 d - do not stage this hunk nor any of the remaining hunks
549 j - leave this hunk undecided, see next undecided hunk
550 J - leave this hunk undecided, see next hunk
551 k - leave this hunk undecided, see previous undecided hunk
552 K - leave this hunk undecided, see previous hunk
553 s - split the current hunk into smaller hunks
554 EOF
557 sub patch_update_cmd {
558         my @mods = list_modified('file-only');
559         @mods = grep { !($_->{BINARY}) } @mods;
560         return if (!@mods);
562         my ($it) = list_and_choose({ PROMPT => 'Patch update',
563                                      SINGLETON => 1,
564                                      IMMEDIATE => 1,
565                                      HEADER => $status_head, },
566                                    @mods);
567         return if (!$it);
569         my ($ix, $num);
570         my $path = $it->{VALUE};
571         my ($head, @hunk) = parse_diff($path);
572         for (@{$head->{TEXT}}) {
573                 print;
574         }
575         $num = scalar @hunk;
576         $ix = 0;
578         while (1) {
579                 my ($prev, $next, $other, $undecided, $i);
580                 $other = '';
582                 if ($num <= $ix) {
583                         $ix = 0;
584                 }
585                 for ($i = 0; $i < $ix; $i++) {
586                         if (!defined $hunk[$i]{USE}) {
587                                 $prev = 1;
588                                 $other .= '/k';
589                                 last;
590                         }
591                 }
592                 if ($ix) {
593                         $other .= '/K';
594                 }
595                 for ($i = $ix + 1; $i < $num; $i++) {
596                         if (!defined $hunk[$i]{USE}) {
597                                 $next = 1;
598                                 $other .= '/j';
599                                 last;
600                         }
601                 }
602                 if ($ix < $num - 1) {
603                         $other .= '/J';
604                 }
605                 for ($i = 0; $i < $num; $i++) {
606                         if (!defined $hunk[$i]{USE}) {
607                                 $undecided = 1;
608                                 last;
609                         }
610                 }
611                 last if (!$undecided);
613                 if (hunk_splittable($hunk[$ix]{TEXT})) {
614                         $other .= '/s';
615                 }
616                 for (@{$hunk[$ix]{TEXT}}) {
617                         print;
618                 }
619                 print "Stage this hunk [y/n/a/d$other/?]? ";
620                 my $line = <STDIN>;
621                 if ($line) {
622                         if ($line =~ /^y/i) {
623                                 $hunk[$ix]{USE} = 1;
624                         }
625                         elsif ($line =~ /^n/i) {
626                                 $hunk[$ix]{USE} = 0;
627                         }
628                         elsif ($line =~ /^a/i) {
629                                 while ($ix < $num) {
630                                         if (!defined $hunk[$ix]{USE}) {
631                                                 $hunk[$ix]{USE} = 1;
632                                         }
633                                         $ix++;
634                                 }
635                                 next;
636                         }
637                         elsif ($line =~ /^d/i) {
638                                 while ($ix < $num) {
639                                         if (!defined $hunk[$ix]{USE}) {
640                                                 $hunk[$ix]{USE} = 0;
641                                         }
642                                         $ix++;
643                                 }
644                                 next;
645                         }
646                         elsif ($other =~ /K/ && $line =~ /^K/) {
647                                 $ix--;
648                                 next;
649                         }
650                         elsif ($other =~ /J/ && $line =~ /^J/) {
651                                 $ix++;
652                                 next;
653                         }
654                         elsif ($other =~ /k/ && $line =~ /^k/) {
655                                 while (1) {
656                                         $ix--;
657                                         last if (!$ix ||
658                                                  !defined $hunk[$ix]{USE});
659                                 }
660                                 next;
661                         }
662                         elsif ($other =~ /j/ && $line =~ /^j/) {
663                                 while (1) {
664                                         $ix++;
665                                         last if ($ix >= $num ||
666                                                  !defined $hunk[$ix]{USE});
667                                 }
668                                 next;
669                         }
670                         elsif ($other =~ /s/ && $line =~ /^s/) {
671                                 my @split = split_hunk($hunk[$ix]{TEXT});
672                                 if (1 < @split) {
673                                         print "Split into ",
674                                         scalar(@split), " hunks.\n";
675                                 }
676                                 splice(@hunk, $ix, 1,
677                                        map { +{ TEXT => $_, USE => undef } }
678                                        @split);
679                                 $num = scalar @hunk;
680                                 next;
681                         }
682                         else {
683                                 help_patch_cmd($other);
684                                 next;
685                         }
686                         # soft increment
687                         while (1) {
688                                 $ix++;
689                                 last if ($ix >= $num ||
690                                          !defined $hunk[$ix]{USE});
691                         }
692                 }
693         }
695         @hunk = coalesce_overlapping_hunks(@hunk);
697         my ($o_lofs, $n_lofs) = (0, 0);
698         my @result = ();
699         for (@hunk) {
700                 my $text = $_->{TEXT};
701                 my ($o_ofs, $o_cnt, $n_ofs, $n_cnt) =
702                     parse_hunk_header($text->[0]);
704                 if (!$_->{USE}) {
705                         if (!defined $o_cnt) { $o_cnt = 1; }
706                         if (!defined $n_cnt) { $n_cnt = 1; }
708                         # We would have added ($n_cnt - $o_cnt) lines
709                         # to the postimage if we were to use this hunk,
710                         # but we didn't.  So the line number that the next
711                         # hunk starts at would be shifted by that much.
712                         $n_lofs -= ($n_cnt - $o_cnt);
713                         next;
714                 }
715                 else {
716                         if ($n_lofs) {
717                                 $n_ofs += $n_lofs;
718                                 $text->[0] = ("@@ -$o_ofs" .
719                                               ((defined $o_cnt)
720                                                ? ",$o_cnt" : '') .
721                                               " +$n_ofs" .
722                                               ((defined $n_cnt)
723                                                ? ",$n_cnt" : '') .
724                                               " @@\n");
725                         }
726                         for (@$text) {
727                                 push @result, $_;
728                         }
729                 }
730         }
732         if (@result) {
733                 my $fh;
735                 open $fh, '| git apply --cached';
736                 for (@{$head->{TEXT}}, @result) {
737                         print $fh $_;
738                 }
739                 if (!close $fh) {
740                         for (@{$head->{TEXT}}, @result) {
741                                 print STDERR $_;
742                         }
743                 }
744                 refresh();
745         }
747         print "\n";
750 sub diff_cmd {
751         my @mods = list_modified('index-only');
752         @mods = grep { !($_->{BINARY}) } @mods;
753         return if (!@mods);
754         my (@them) = list_and_choose({ PROMPT => 'Review diff',
755                                      IMMEDIATE => 1,
756                                      HEADER => $status_head, },
757                                    @mods);
758         return if (!@them);
759         system(qw(git diff-index -p --cached HEAD --),
760                map { $_->{VALUE} } @them);
763 sub quit_cmd {
764         print "Bye.\n";
765         exit(0);
768 sub help_cmd {
769         print <<\EOF ;
770 status        - show paths with changes
771 update        - add working tree state to the staged set of changes
772 revert        - revert staged set of changes back to the HEAD version
773 patch         - pick hunks and update selectively
774 diff          - view diff between HEAD and index
775 add untracked - add contents of untracked files to the staged set of changes
776 EOF
779 sub main_loop {
780         my @cmd = ([ 'status', \&status_cmd, ],
781                    [ 'update', \&update_cmd, ],
782                    [ 'revert', \&revert_cmd, ],
783                    [ 'add untracked', \&add_untracked_cmd, ],
784                    [ 'patch', \&patch_update_cmd, ],
785                    [ 'diff', \&diff_cmd, ],
786                    [ 'quit', \&quit_cmd, ],
787                    [ 'help', \&help_cmd, ],
788         );
789         while (1) {
790                 my ($it) = list_and_choose({ PROMPT => 'What now',
791                                              SINGLETON => 1,
792                                              LIST_FLAT => 4,
793                                              HEADER => '*** Commands ***',
794                                              IMMEDIATE => 1 }, @cmd);
795                 if ($it) {
796                         eval {
797                                 $it->[1]->();
798                         };
799                         if ($@) {
800                                 print "$@";
801                         }
802                 }
803         }
806 my @z;
808 refresh();
809 status_cmd();
810 main_loop();