Code

git-add -i: allow multiple selection in patch subcommand
[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 --exclude-standard --), @ARGV);
41 }
43 my $status_fmt = '%12s %12s %s';
44 my $status_head = sprintf($status_fmt, 'staged', 'unstaged', 'path');
46 # Returns list of hashes, contents of each of which are:
47 # PRINT:        print message
48 # VALUE:        pathname
49 # BINARY:       is a binary path
50 # INDEX:        is index different from HEAD?
51 # FILE:         is file different from index?
52 # INDEX_ADDDEL: is it add/delete between HEAD and index?
53 # FILE_ADDDEL:  is it add/delete between index and file?
55 sub list_modified {
56         my ($only) = @_;
57         my (%data, @return);
58         my ($add, $del, $adddel, $file);
59         my @tracked = ();
61         if (@ARGV) {
62                 @tracked = map {
63                         chomp $_; $_;
64                 } run_cmd_pipe(qw(git ls-files --exclude-standard --), @ARGV);
65                 return if (!@tracked);
66         }
68         for (run_cmd_pipe(qw(git diff-index --cached
69                              --numstat --summary HEAD --), @tracked)) {
70                 if (($add, $del, $file) =
71                     /^([-\d]+)  ([-\d]+)        (.*)/) {
72                         my ($change, $bin);
73                         if ($add eq '-' && $del eq '-') {
74                                 $change = 'binary';
75                                 $bin = 1;
76                         }
77                         else {
78                                 $change = "+$add/-$del";
79                         }
80                         $data{$file} = {
81                                 INDEX => $change,
82                                 BINARY => $bin,
83                                 FILE => 'nothing',
84                         }
85                 }
86                 elsif (($adddel, $file) =
87                        /^ (create|delete) mode [0-7]+ (.*)$/) {
88                         $data{$file}{INDEX_ADDDEL} = $adddel;
89                 }
90         }
92         for (run_cmd_pipe(qw(git diff-files --numstat --summary --), @tracked)) {
93                 if (($add, $del, $file) =
94                     /^([-\d]+)  ([-\d]+)        (.*)/) {
95                         if (!exists $data{$file}) {
96                                 $data{$file} = +{
97                                         INDEX => 'unchanged',
98                                         BINARY => 0,
99                                 };
100                         }
101                         my ($change, $bin);
102                         if ($add eq '-' && $del eq '-') {
103                                 $change = 'binary';
104                                 $bin = 1;
105                         }
106                         else {
107                                 $change = "+$add/-$del";
108                         }
109                         $data{$file}{FILE} = $change;
110                         if ($bin) {
111                                 $data{$file}{BINARY} = 1;
112                         }
113                 }
114                 elsif (($adddel, $file) =
115                        /^ (create|delete) mode [0-7]+ (.*)$/) {
116                         $data{$file}{FILE_ADDDEL} = $adddel;
117                 }
118         }
120         for (sort keys %data) {
121                 my $it = $data{$_};
123                 if ($only) {
124                         if ($only eq 'index-only') {
125                                 next if ($it->{INDEX} eq 'unchanged');
126                         }
127                         if ($only eq 'file-only') {
128                                 next if ($it->{FILE} eq 'nothing');
129                         }
130                 }
131                 push @return, +{
132                         VALUE => $_,
133                         PRINT => (sprintf $status_fmt,
134                                   $it->{INDEX}, $it->{FILE}, $_),
135                         %$it,
136                 };
137         }
138         return @return;
141 sub find_unique {
142         my ($string, @stuff) = @_;
143         my $found = undef;
144         for (my $i = 0; $i < @stuff; $i++) {
145                 my $it = $stuff[$i];
146                 my $hit = undef;
147                 if (ref $it) {
148                         if ((ref $it) eq 'ARRAY') {
149                                 $it = $it->[0];
150                         }
151                         else {
152                                 $it = $it->{VALUE};
153                         }
154                 }
155                 eval {
156                         if ($it =~ /^$string/) {
157                                 $hit = 1;
158                         };
159                 };
160                 if (defined $hit && defined $found) {
161                         return undef;
162                 }
163                 if ($hit) {
164                         $found = $i + 1;
165                 }
166         }
167         return $found;
170 sub list_and_choose {
171         my ($opts, @stuff) = @_;
172         my (@chosen, @return);
173         my $i;
175       TOPLOOP:
176         while (1) {
177                 my $last_lf = 0;
179                 if ($opts->{HEADER}) {
180                         if (!$opts->{LIST_FLAT}) {
181                                 print "     ";
182                         }
183                         print "$opts->{HEADER}\n";
184                 }
185                 for ($i = 0; $i < @stuff; $i++) {
186                         my $chosen = $chosen[$i] ? '*' : ' ';
187                         my $print = $stuff[$i];
188                         if (ref $print) {
189                                 if ((ref $print) eq 'ARRAY') {
190                                         $print = $print->[0];
191                                 }
192                                 else {
193                                         $print = $print->{PRINT};
194                                 }
195                         }
196                         printf("%s%2d: %s", $chosen, $i+1, $print);
197                         if (($opts->{LIST_FLAT}) &&
198                             (($i + 1) % ($opts->{LIST_FLAT}))) {
199                                 print "\t";
200                                 $last_lf = 0;
201                         }
202                         else {
203                                 print "\n";
204                                 $last_lf = 1;
205                         }
206                 }
207                 if (!$last_lf) {
208                         print "\n";
209                 }
211                 return if ($opts->{LIST_ONLY});
213                 print $opts->{PROMPT};
214                 if ($opts->{SINGLETON}) {
215                         print "> ";
216                 }
217                 else {
218                         print ">> ";
219                 }
220                 my $line = <STDIN>;
221                 if (!$line) {
222                         print "\n";
223                         $opts->{ON_EOF}->() if $opts->{ON_EOF};
224                         last;
225                 }
226                 chomp $line;
227                 last if $line eq '';
228                 for my $choice (split(/[\s,]+/, $line)) {
229                         my $choose = 1;
230                         my ($bottom, $top);
232                         # Input that begins with '-'; unchoose
233                         if ($choice =~ s/^-//) {
234                                 $choose = 0;
235                         }
236                         # A range can be specified like 5-7
237                         if ($choice =~ /^(\d+)-(\d+)$/) {
238                                 ($bottom, $top) = ($1, $2);
239                         }
240                         elsif ($choice =~ /^\d+$/) {
241                                 $bottom = $top = $choice;
242                         }
243                         elsif ($choice eq '*') {
244                                 $bottom = 1;
245                                 $top = 1 + @stuff;
246                         }
247                         else {
248                                 $bottom = $top = find_unique($choice, @stuff);
249                                 if (!defined $bottom) {
250                                         print "Huh ($choice)?\n";
251                                         next TOPLOOP;
252                                 }
253                         }
254                         if ($opts->{SINGLETON} && $bottom != $top) {
255                                 print "Huh ($choice)?\n";
256                                 next TOPLOOP;
257                         }
258                         for ($i = $bottom-1; $i <= $top-1; $i++) {
259                                 next if (@stuff <= $i || $i < 0);
260                                 $chosen[$i] = $choose;
261                         }
262                 }
263                 last if ($opts->{IMMEDIATE} || $line eq '*');
264         }
265         for ($i = 0; $i < @stuff; $i++) {
266                 if ($chosen[$i]) {
267                         push @return, $stuff[$i];
268                 }
269         }
270         return @return;
273 sub status_cmd {
274         list_and_choose({ LIST_ONLY => 1, HEADER => $status_head },
275                         list_modified());
276         print "\n";
279 sub say_n_paths {
280         my $did = shift @_;
281         my $cnt = scalar @_;
282         print "$did ";
283         if (1 < $cnt) {
284                 print "$cnt paths\n";
285         }
286         else {
287                 print "one path\n";
288         }
291 sub update_cmd {
292         my @mods = list_modified('file-only');
293         return if (!@mods);
295         my @update = list_and_choose({ PROMPT => 'Update',
296                                        HEADER => $status_head, },
297                                      @mods);
298         if (@update) {
299                 system(qw(git update-index --add --remove --),
300                        map { $_->{VALUE} } @update);
301                 say_n_paths('updated', @update);
302         }
303         print "\n";
306 sub revert_cmd {
307         my @update = list_and_choose({ PROMPT => 'Revert',
308                                        HEADER => $status_head, },
309                                      list_modified());
310         if (@update) {
311                 my @lines = run_cmd_pipe(qw(git ls-tree HEAD --),
312                                          map { $_->{VALUE} } @update);
313                 my $fh;
314                 open $fh, '| git update-index --index-info'
315                     or die;
316                 for (@lines) {
317                         print $fh $_;
318                 }
319                 close($fh);
320                 for (@update) {
321                         if ($_->{INDEX_ADDDEL} &&
322                             $_->{INDEX_ADDDEL} eq 'create') {
323                                 system(qw(git update-index --force-remove --),
324                                        $_->{VALUE});
325                                 print "note: $_->{VALUE} is untracked now.\n";
326                         }
327                 }
328                 refresh();
329                 say_n_paths('reverted', @update);
330         }
331         print "\n";
334 sub add_untracked_cmd {
335         my @add = list_and_choose({ PROMPT => 'Add untracked' },
336                                   list_untracked());
337         if (@add) {
338                 system(qw(git update-index --add --), @add);
339                 say_n_paths('added', @add);
340         }
341         print "\n";
344 sub parse_diff {
345         my ($path) = @_;
346         my @diff = run_cmd_pipe(qw(git diff-files -p --), $path);
347         my (@hunk) = { TEXT => [] };
349         for (@diff) {
350                 if (/^@@ /) {
351                         push @hunk, { TEXT => [] };
352                 }
353                 push @{$hunk[-1]{TEXT}}, $_;
354         }
355         return @hunk;
358 sub hunk_splittable {
359         my ($text) = @_;
361         my @s = split_hunk($text);
362         return (1 < @s);
365 sub parse_hunk_header {
366         my ($line) = @_;
367         my ($o_ofs, $o_cnt, $n_ofs, $n_cnt) =
368             $line =~ /^@@ -(\d+)(?:,(\d+))? \+(\d+)(?:,(\d+))? @@/;
369         $o_cnt = 1 unless defined $o_cnt;
370         $n_cnt = 1 unless defined $n_cnt;
371         return ($o_ofs, $o_cnt, $n_ofs, $n_cnt);
374 sub split_hunk {
375         my ($text) = @_;
376         my @split = ();
378         # If there are context lines in the middle of a hunk,
379         # it can be split, but we would need to take care of
380         # overlaps later.
382         my ($o_ofs, undef, $n_ofs) = parse_hunk_header($text->[0]);
383         my $hunk_start = 1;
385       OUTER:
386         while (1) {
387                 my $next_hunk_start = undef;
388                 my $i = $hunk_start - 1;
389                 my $this = +{
390                         TEXT => [],
391                         OLD => $o_ofs,
392                         NEW => $n_ofs,
393                         OCNT => 0,
394                         NCNT => 0,
395                         ADDDEL => 0,
396                         POSTCTX => 0,
397                 };
399                 while (++$i < @$text) {
400                         my $line = $text->[$i];
401                         if ($line =~ /^ /) {
402                                 if ($this->{ADDDEL} &&
403                                     !defined $next_hunk_start) {
404                                         # We have seen leading context and
405                                         # adds/dels and then here is another
406                                         # context, which is trailing for this
407                                         # split hunk and leading for the next
408                                         # one.
409                                         $next_hunk_start = $i;
410                                 }
411                                 push @{$this->{TEXT}}, $line;
412                                 $this->{OCNT}++;
413                                 $this->{NCNT}++;
414                                 if (defined $next_hunk_start) {
415                                         $this->{POSTCTX}++;
416                                 }
417                                 next;
418                         }
420                         # add/del
421                         if (defined $next_hunk_start) {
422                                 # We are done with the current hunk and
423                                 # this is the first real change for the
424                                 # next split one.
425                                 $hunk_start = $next_hunk_start;
426                                 $o_ofs = $this->{OLD} + $this->{OCNT};
427                                 $n_ofs = $this->{NEW} + $this->{NCNT};
428                                 $o_ofs -= $this->{POSTCTX};
429                                 $n_ofs -= $this->{POSTCTX};
430                                 push @split, $this;
431                                 redo OUTER;
432                         }
433                         push @{$this->{TEXT}}, $line;
434                         $this->{ADDDEL}++;
435                         if ($line =~ /^-/) {
436                                 $this->{OCNT}++;
437                         }
438                         else {
439                                 $this->{NCNT}++;
440                         }
441                 }
443                 push @split, $this;
444                 last;
445         }
447         for my $hunk (@split) {
448                 $o_ofs = $hunk->{OLD};
449                 $n_ofs = $hunk->{NEW};
450                 my $o_cnt = $hunk->{OCNT};
451                 my $n_cnt = $hunk->{NCNT};
453                 my $head = ("@@ -$o_ofs" .
454                             (($o_cnt != 1) ? ",$o_cnt" : '') .
455                             " +$n_ofs" .
456                             (($n_cnt != 1) ? ",$n_cnt" : '') .
457                             " @@\n");
458                 unshift @{$hunk->{TEXT}}, $head;
459         }
460         return map { $_->{TEXT} } @split;
463 sub find_last_o_ctx {
464         my ($it) = @_;
465         my $text = $it->{TEXT};
466         my ($o_ofs, $o_cnt) = parse_hunk_header($text->[0]);
467         my $i = @{$text};
468         my $last_o_ctx = $o_ofs + $o_cnt;
469         while (0 < --$i) {
470                 my $line = $text->[$i];
471                 if ($line =~ /^ /) {
472                         $last_o_ctx--;
473                         next;
474                 }
475                 last;
476         }
477         return $last_o_ctx;
480 sub merge_hunk {
481         my ($prev, $this) = @_;
482         my ($o0_ofs, $o0_cnt, $n0_ofs, $n0_cnt) =
483             parse_hunk_header($prev->{TEXT}[0]);
484         my ($o1_ofs, $o1_cnt, $n1_ofs, $n1_cnt) =
485             parse_hunk_header($this->{TEXT}[0]);
487         my (@line, $i, $ofs, $o_cnt, $n_cnt);
488         $ofs = $o0_ofs;
489         $o_cnt = $n_cnt = 0;
490         for ($i = 1; $i < @{$prev->{TEXT}}; $i++) {
491                 my $line = $prev->{TEXT}[$i];
492                 if ($line =~ /^\+/) {
493                         $n_cnt++;
494                         push @line, $line;
495                         next;
496                 }
498                 last if ($o1_ofs <= $ofs);
500                 $o_cnt++;
501                 $ofs++;
502                 if ($line =~ /^ /) {
503                         $n_cnt++;
504                 }
505                 push @line, $line;
506         }
508         for ($i = 1; $i < @{$this->{TEXT}}; $i++) {
509                 my $line = $this->{TEXT}[$i];
510                 if ($line =~ /^\+/) {
511                         $n_cnt++;
512                         push @line, $line;
513                         next;
514                 }
515                 $ofs++;
516                 $o_cnt++;
517                 if ($line =~ /^ /) {
518                         $n_cnt++;
519                 }
520                 push @line, $line;
521         }
522         my $head = ("@@ -$o0_ofs" .
523                     (($o_cnt != 1) ? ",$o_cnt" : '') .
524                     " +$n0_ofs" .
525                     (($n_cnt != 1) ? ",$n_cnt" : '') .
526                     " @@\n");
527         @{$prev->{TEXT}} = ($head, @line);
530 sub coalesce_overlapping_hunks {
531         my (@in) = @_;
532         my @out = ();
534         my ($last_o_ctx);
536         for (grep { $_->{USE} } @in) {
537                 my $text = $_->{TEXT};
538                 my ($o_ofs) = parse_hunk_header($text->[0]);
539                 if (defined $last_o_ctx &&
540                     $o_ofs <= $last_o_ctx) {
541                         merge_hunk($out[-1], $_);
542                 }
543                 else {
544                         push @out, $_;
545                 }
546                 $last_o_ctx = find_last_o_ctx($out[-1]);
547         }
548         return @out;
551 sub help_patch_cmd {
552         print <<\EOF ;
553 y - stage this hunk
554 n - do not stage this hunk
555 a - stage this and all the remaining hunks
556 d - do not stage this hunk nor any of the remaining hunks
557 j - leave this hunk undecided, see next undecided hunk
558 J - leave this hunk undecided, see next hunk
559 k - leave this hunk undecided, see previous undecided hunk
560 K - leave this hunk undecided, see previous hunk
561 s - split the current hunk into smaller hunks
562 EOF
565 sub patch_update_cmd {
566         my @mods = list_modified('file-only');
567         @mods = grep { !($_->{BINARY}) } @mods;
568         return if (!@mods);
570         my (@them) = list_and_choose({ PROMPT => 'Patch update',
571                                        HEADER => $status_head, },
572                                      @mods);
573         for (@them) {
574                 patch_update_file($_->{VALUE});
575         }
578 sub patch_update_file {
579         my ($ix, $num);
580         my $path = shift;
581         my ($head, @hunk) = parse_diff($path);
582         for (@{$head->{TEXT}}) {
583                 print;
584         }
585         $num = scalar @hunk;
586         $ix = 0;
588         while (1) {
589                 my ($prev, $next, $other, $undecided, $i);
590                 $other = '';
592                 if ($num <= $ix) {
593                         $ix = 0;
594                 }
595                 for ($i = 0; $i < $ix; $i++) {
596                         if (!defined $hunk[$i]{USE}) {
597                                 $prev = 1;
598                                 $other .= '/k';
599                                 last;
600                         }
601                 }
602                 if ($ix) {
603                         $other .= '/K';
604                 }
605                 for ($i = $ix + 1; $i < $num; $i++) {
606                         if (!defined $hunk[$i]{USE}) {
607                                 $next = 1;
608                                 $other .= '/j';
609                                 last;
610                         }
611                 }
612                 if ($ix < $num - 1) {
613                         $other .= '/J';
614                 }
615                 for ($i = 0; $i < $num; $i++) {
616                         if (!defined $hunk[$i]{USE}) {
617                                 $undecided = 1;
618                                 last;
619                         }
620                 }
621                 last if (!$undecided);
623                 if (hunk_splittable($hunk[$ix]{TEXT})) {
624                         $other .= '/s';
625                 }
626                 for (@{$hunk[$ix]{TEXT}}) {
627                         print;
628                 }
629                 print "Stage this hunk [y/n/a/d$other/?]? ";
630                 my $line = <STDIN>;
631                 if ($line) {
632                         if ($line =~ /^y/i) {
633                                 $hunk[$ix]{USE} = 1;
634                         }
635                         elsif ($line =~ /^n/i) {
636                                 $hunk[$ix]{USE} = 0;
637                         }
638                         elsif ($line =~ /^a/i) {
639                                 while ($ix < $num) {
640                                         if (!defined $hunk[$ix]{USE}) {
641                                                 $hunk[$ix]{USE} = 1;
642                                         }
643                                         $ix++;
644                                 }
645                                 next;
646                         }
647                         elsif ($line =~ /^d/i) {
648                                 while ($ix < $num) {
649                                         if (!defined $hunk[$ix]{USE}) {
650                                                 $hunk[$ix]{USE} = 0;
651                                         }
652                                         $ix++;
653                                 }
654                                 next;
655                         }
656                         elsif ($other =~ /K/ && $line =~ /^K/) {
657                                 $ix--;
658                                 next;
659                         }
660                         elsif ($other =~ /J/ && $line =~ /^J/) {
661                                 $ix++;
662                                 next;
663                         }
664                         elsif ($other =~ /k/ && $line =~ /^k/) {
665                                 while (1) {
666                                         $ix--;
667                                         last if (!$ix ||
668                                                  !defined $hunk[$ix]{USE});
669                                 }
670                                 next;
671                         }
672                         elsif ($other =~ /j/ && $line =~ /^j/) {
673                                 while (1) {
674                                         $ix++;
675                                         last if ($ix >= $num ||
676                                                  !defined $hunk[$ix]{USE});
677                                 }
678                                 next;
679                         }
680                         elsif ($other =~ /s/ && $line =~ /^s/) {
681                                 my @split = split_hunk($hunk[$ix]{TEXT});
682                                 if (1 < @split) {
683                                         print "Split into ",
684                                         scalar(@split), " hunks.\n";
685                                 }
686                                 splice(@hunk, $ix, 1,
687                                        map { +{ TEXT => $_, USE => undef } }
688                                        @split);
689                                 $num = scalar @hunk;
690                                 next;
691                         }
692                         else {
693                                 help_patch_cmd($other);
694                                 next;
695                         }
696                         # soft increment
697                         while (1) {
698                                 $ix++;
699                                 last if ($ix >= $num ||
700                                          !defined $hunk[$ix]{USE});
701                         }
702                 }
703         }
705         @hunk = coalesce_overlapping_hunks(@hunk);
707         my $n_lofs = 0;
708         my @result = ();
709         for (@hunk) {
710                 my $text = $_->{TEXT};
711                 my ($o_ofs, $o_cnt, $n_ofs, $n_cnt) =
712                     parse_hunk_header($text->[0]);
714                 if (!$_->{USE}) {
715                         # We would have added ($n_cnt - $o_cnt) lines
716                         # to the postimage if we were to use this hunk,
717                         # but we didn't.  So the line number that the next
718                         # hunk starts at would be shifted by that much.
719                         $n_lofs -= ($n_cnt - $o_cnt);
720                         next;
721                 }
722                 else {
723                         if ($n_lofs) {
724                                 $n_ofs += $n_lofs;
725                                 $text->[0] = ("@@ -$o_ofs" .
726                                               (($o_cnt != 1)
727                                                ? ",$o_cnt" : '') .
728                                               " +$n_ofs" .
729                                               (($n_cnt != 1)
730                                                ? ",$n_cnt" : '') .
731                                               " @@\n");
732                         }
733                         for (@$text) {
734                                 push @result, $_;
735                         }
736                 }
737         }
739         if (@result) {
740                 my $fh;
742                 open $fh, '| git apply --cached';
743                 for (@{$head->{TEXT}}, @result) {
744                         print $fh $_;
745                 }
746                 if (!close $fh) {
747                         for (@{$head->{TEXT}}, @result) {
748                                 print STDERR $_;
749                         }
750                 }
751                 refresh();
752         }
754         print "\n";
757 sub diff_cmd {
758         my @mods = list_modified('index-only');
759         @mods = grep { !($_->{BINARY}) } @mods;
760         return if (!@mods);
761         my (@them) = list_and_choose({ PROMPT => 'Review diff',
762                                      IMMEDIATE => 1,
763                                      HEADER => $status_head, },
764                                    @mods);
765         return if (!@them);
766         system(qw(git diff-index -p --cached HEAD --),
767                map { $_->{VALUE} } @them);
770 sub quit_cmd {
771         print "Bye.\n";
772         exit(0);
775 sub help_cmd {
776         print <<\EOF ;
777 status        - show paths with changes
778 update        - add working tree state to the staged set of changes
779 revert        - revert staged set of changes back to the HEAD version
780 patch         - pick hunks and update selectively
781 diff          - view diff between HEAD and index
782 add untracked - add contents of untracked files to the staged set of changes
783 EOF
786 sub main_loop {
787         my @cmd = ([ 'status', \&status_cmd, ],
788                    [ 'update', \&update_cmd, ],
789                    [ 'revert', \&revert_cmd, ],
790                    [ 'add untracked', \&add_untracked_cmd, ],
791                    [ 'patch', \&patch_update_cmd, ],
792                    [ 'diff', \&diff_cmd, ],
793                    [ 'quit', \&quit_cmd, ],
794                    [ 'help', \&help_cmd, ],
795         );
796         while (1) {
797                 my ($it) = list_and_choose({ PROMPT => 'What now',
798                                              SINGLETON => 1,
799                                              LIST_FLAT => 4,
800                                              HEADER => '*** Commands ***',
801                                              ON_EOF => \&quit_cmd,
802                                              IMMEDIATE => 1 }, @cmd);
803                 if ($it) {
804                         eval {
805                                 $it->[1]->();
806                         };
807                         if ($@) {
808                                 print "$@";
809                         }
810                 }
811         }
814 refresh();
815 status_cmd();
816 main_loop();