builtin-name-rev.c: split deeply nested part from the main function

[thirdparty/git.git] / git-add--interactive.perl

diff --git a/git-add--interactive.perl b/git-add--interactive.perl
index a0a81f134a6288dfc1d87431698f29597ed5e488..709caa9055e139731bedd8b4e0b2659df6017bfa 100755 (executable)
--- a/git-add--interactive.perl
+++ b/git-add--interactive.perl
@@ -394,9 +394,9 @@ sub list_and_choose {
                        if ($choice =~ s/^-//) {
                                $choose = 0;
                        }
-                       # A range can be specified like 5-7
-                       if ($choice =~ /^(\d+)-(\d+)$/) {
-                               ($bottom, $top) = ($1, $2);
+                       # A range can be specified like 5-7 or 5-.
+                       if ($choice =~ /^(\d+)-(\d*)$/) {
+                               ($bottom, $top) = ($1, length($2) ? $2 : 1 + @stuff);
                        }
                        elsif ($choice =~ /^\d+$/) {
                                $bottom = $top = $choice;
@@ -550,6 +550,21 @@ sub parse_diff {
        return @hunk;
 }
 
+sub parse_diff_header {
+       my $src = shift;
+
+       my $head = { TEXT => [], DISPLAY => [] };
+       my $mode = { TEXT => [], DISPLAY => [] };
+
+       for (my $i = 0; $i < @{$src->{TEXT}}; $i++) {
+               my $dest = $src->{TEXT}->[$i] =~ /^(old|new) mode (\d+)$/ ?
+                       $mode : $head;
+               push @{$dest->{TEXT}}, $src->{TEXT}->[$i];
+               push @{$dest->{DISPLAY}}, $src->{DISPLAY}->[$i];
+       }
+       return ($head, $mode);
+}
+
 sub hunk_splittable {
        my ($text) = @_;
 
@@ -795,9 +810,40 @@ sub patch_update_file {
        my ($ix, $num);
        my $path = shift;
        my ($head, @hunk) = parse_diff($path);
+       ($head, my $mode) = parse_diff_header($head);
        for (@{$head->{DISPLAY}}) {
                print;
        }
+
+       if (@{$mode->{TEXT}}) {
+               while (1) {
+                       print @{$mode->{DISPLAY}};
+                       print colored $prompt_color,
+                               "Stage mode change [y/n/a/d/?]? ";
+                       my $line = <STDIN>;
+                       if ($line =~ /^y/i) {
+                               $mode->{USE} = 1;
+                               last;
+                       }
+                       elsif ($line =~ /^n/i) {
+                               $mode->{USE} = 0;
+                               last;
+                       }
+                       elsif ($line =~ /^a/i) {
+                               $_->{USE} = 1 foreach ($mode, @hunk);
+                               last;
+                       }
+                       elsif ($line =~ /^d/i) {
+                               $_->{USE} = 0 foreach ($mode, @hunk);
+                               last;
+                       }
+                       else {
+                               help_patch_cmd('');
+                               next;
+                       }
+               }
+       }
+
        $num = scalar @hunk;
        $ix = 0;
 
@@ -920,6 +966,9 @@ sub patch_update_file {
 
        my $n_lofs = 0;
        my @result = ();
+       if ($mode->{USE}) {
+               push @result, @{$mode->{TEXT}};
+       }
        for (@hunk) {
                my $text = $_->{TEXT};
                my ($o_ofs, $o_cnt, $n_ofs, $n_cnt) =