|| $ENV{VISUAL} || $ENV{EDITOR} || "vi";
system('sh', '-c', $editor.' "$@"', $editor, $hunkfile);
+ if ($? != 0) {
+ return undef;
+ }
+
open $fh, '<', $hunkfile
or die "failed to open hunk edit file for reading: " . $!;
my @newtext = grep { !/^#/ } <$fh>;