Thanks for reviewing.
as you wrote, diff content may not be utf8 at all. and we don't know that the
user's terminal watns is utf8.
I think your trying utf8 decode and fall back approach is better than my patch,
and do work well.
is using "$@" for catching error like the patch below?
According to perldoc Encode.pm, encode/decode with "FB_CROAK" may destroy
original string. We should probabry use "LEAVE_SRC" on decode_utf8's second
argument.
---
contrib/diff-highlight/diff-highlight | 17 ++++++++++++++---
1 file changed, 14 insertions(+), 3 deletions(-)
diff --git a/contrib/diff-highlight/diff-highlight
b/contrib/diff-highlight/diff-highlight
index c4404d4..0743851 100755
--- a/contrib/diff-highlight/diff-highlight
+++ b/contrib/diff-highlight/diff-highlight
@@ -2,6 +2,7 @@
use warnings FATAL => 'all';
use strict;
+use Encode qw(decode_utf8 encode_utf8);
# Highlight by reversing foreground and background. You could do
# other things like bold or underline if you prefer.
@@ -73,13 +74,23 @@ sub show_hunk {
my @queue;
for (my $i = 0; $i < @$a; $i++) {
- my ($rm, $add) = highlight_pair($a->[$i], $b->[$i]);
- print $rm;
- push @queue, $add;
+ my ($a_dec, $encode_rm) = decode($a->[$i]);
+ my ($b_dec, $encode_add) = decode($b->[$i]);
+ my ($rm, $add) = highlight_pair($a_dec, $b_dec);
+ print $encode_rm->($rm);
+ push @queue, $encode_add->($add);
}
print @queue;
}
+sub decode {
+ my $orig = shift;
+ my $decoded = eval { decode_utf8($orig, Encode::FB_CROAK |
Encode::LEAVE_SRC) };
+ return $@ ?
+ ($orig, sub { shift }) :
+ ($decoded, sub { encode_utf8(shift) });
+}
+
sub highlight_pair {
my @a = split_line(shift);
my @b = split_line(shift);
--
1.8.5.3
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