$mytextFile = fopen( $mytextName = tempnam( $td, 'merge-mine-' ), 'w' );
$yourtextFile = fopen( $yourtextName = tempnam( $td, 'merge-your-' ), 'w' );
- fwrite( $oldtextFile, $old );
+ # NOTE: diff3 issues a warning to stderr if any of the files does not end with
+ # a newline character. To avoid this, we normalize the trailing whitespace before
+ # creating the diff.
+
+ fwrite( $oldtextFile, rtrim( $old ) . "\n" );
fclose( $oldtextFile );
- fwrite( $mytextFile, $mine );
+ fwrite( $mytextFile, rtrim( $mine ) . "\n" );
fclose( $mytextFile );
- fwrite( $yourtextFile, $yours );
+ fwrite( $yourtextFile, rtrim( $yours ) . "\n" );
fclose( $yourtextFile );
# Check for a conflict