A Sáb, 10-12-2016 às 14:09 -0800, Junio C Hamano escreveu:
> We only update comment_line_char from the default "#" when the
> configured value is a single-byte character and we ignore incorrect
> values in the configuration file.  So I think the patch you sent is
> correct after all.

I am still not sure what version do we prefer.

Check whether core.commentchar is a single character. If not, use '#'
as the $comment_line_char.

+sub get_comment_line_char {
+       my $comment_line_char = config("core.commentchar") || '#';
+       $comment_line_char = '#' if ($comment_line_char eq 'auto');
+       $comment_line_char = '#' if (length($comment_line_char) != 1);
+       return $comment_line_char;
+}

Check whether core.commentchar is a single character. If not, use the
first character of the core.commentchar value, mirroring the "rebase
-i" behavior introduced recently.

+sub get_comment_line_char {
+       my $comment_line_char = config("core.commentchar") || '#';
+       $comment_line_char = '#' if ($comment_line_char eq 'auto');
+       if (length($comment_line_char) != 1) {
+               # use first character
+               $comment_line_char = substr($comment_line_char, 0, 1);
+       }
+       return $comment_line_char;
+}

Or akin to what I had in the first patch related to handling 'auto'
value of core.commentchar configuration variable:

+sub get_comment_line_char {
+       my $comment_line_char = config("core.commentchar") || '#';
+       $comment_line_char = '#' if ($comment_line_char eq 'auto');
+       return $comment_line_char;
+}

Which assumes that the value of core.commentchar configuration variable
is either 'auto' or one single character, or the variable is not
defined.

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