git: Manually decode git output from utf-8, avoids warning messages on invalidly encoded output.

1 files changed, 7 insertions, 5 deletions

diff --git a/IkiWiki/Plugin/git.pm b/IkiWiki/Plugin/git.pm
index 12f3a74cb..b386ab71b 100644
--- a/IkiWiki/Plugin/git.pm
+++ b/IkiWiki/Plugin/git.pm
@@ -136,14 +136,16 @@ sub safe_git (&@) {
 	}
 	# In parent.
 
+	# git output is probably utf-8 encoded, but may contain
+	# other encodings or invalidly encoded stuff. So do not rely
+	# on the normal utf-8 IO layer, decode it by hand.
+	binmode($OUT);
+
 	my @lines;
 	while (<$OUT>) {
+		$_=decode_utf8($_, 0);
+
 		chomp;
-		
-		# check for invalid utf-8, and toss it back to avoid crashes
-		if (! utf8::valid($_)) {
-			$_=encode_utf8($_);
-		}
 
 		push @lines, $_;
 	}