diff options
-rw-r--r-- | phpBB/includes/diff/diff.php | 11 | ||||
-rw-r--r-- | phpBB/includes/diff/engine.php | 5 | ||||
-rw-r--r-- | phpBB/install/install_update.php | 53 |
3 files changed, 54 insertions, 15 deletions
diff --git a/phpBB/includes/diff/diff.php b/phpBB/includes/diff/diff.php index ca8d16fd3e..59124ae7ef 100644 --- a/phpBB/includes/diff/diff.php +++ b/phpBB/includes/diff/diff.php @@ -46,10 +46,17 @@ class diff * @param array $from_lines An array of strings. Typically these are lines from a file. * @param array $to_lines An array of strings. */ - function diff($from_lines, $to_lines) + function diff(&$from_content, &$to_content) { $diff_engine = &new diff_engine(); - $this->_edits = call_user_func_array(array($diff_engine, 'diff'), array($from_lines, $to_lines)); + + $match = array('#\r\n?#', "#([\n]+){2,}#u"); + $replace = array("\n", "\n"); + + $from_content = preg_replace($match, $replace, $from_content); + $to_content = preg_replace($match, $replace, $to_content); + + $this->_edits = call_user_func_array(array($diff_engine, 'diff'), array(explode("\n", $from_content), explode("\n", $to_content))); } /** diff --git a/phpBB/includes/diff/engine.php b/phpBB/includes/diff/engine.php index 5fcb317dd5..e7740a0584 100644 --- a/phpBB/includes/diff/engine.php +++ b/phpBB/includes/diff/engine.php @@ -49,8 +49,9 @@ class diff_engine { function diff($from_lines, $to_lines) { - array_walk($from_lines, array('diff', 'trim_newlines')); - array_walk($to_lines, array('diff', 'trim_newlines')); + // Remove empty lines... +// array_walk($from_lines, array('diff', 'trim_newlines')); +// array_walk($to_lines, array('diff', 'trim_newlines')); $n_from = sizeof($from_lines); $n_to = sizeof($to_lines); diff --git a/phpBB/install/install_update.php b/phpBB/install/install_update.php index 8bd94f036e..4a829f68dc 100644 --- a/phpBB/install/install_update.php +++ b/phpBB/install/install_update.php @@ -862,11 +862,19 @@ class install_update extends module // Check for this circumstance, the new file need to be up-to-date with the current file then... if (!file_exists($this->old_location . $original_file) && file_exists($this->new_location . $original_file) && file_exists($phpbb_root_path . $file)) { + $tmp = array( + 'file1' => file_get_contents($this->new_location . $original_file), + 'file2' => file_get_contents($phpbb_root_path . $file), + ); + // We need to diff the contents here to make sure the file is really the one we expect - $diff = &new diff(file($this->new_location . $original_file), file($phpbb_root_path . $file)); + $diff = &new diff($tmp['file1'], $tmp['file2']); + $empty = $diff->is_empty(); + + unset($tmp, $diff); // if there are no differences we have an up-to-date file... - if ($diff->is_empty()) + if ($empty) { $update_list['up_to_date'][] = $update_ary; return; @@ -883,16 +891,34 @@ class install_update extends module trigger_error($user->lang['INCOMPLETE_UPDATE_FILES'], E_USER_ERROR); } - $diff = &new diff(file($this->old_location . $original_file), file($phpbb_root_path . $file)); + $tmp = array( + 'file1' => file_get_contents($this->old_location . $original_file), + 'file2' => file_get_contents($phpbb_root_path . $file), + ); + + // We need to diff the contents here to make sure the file is really the one we expect + $diff = &new diff($tmp['file1'], $tmp['file2']); + $empty_1 = $diff->is_empty(); + + unset($tmp, $diff); + + $tmp = array( + 'file1' => file_get_contents($this->new_location . $original_file), + 'file2' => file_get_contents($phpbb_root_path . $file), + ); + + // We need to diff the contents here to make sure the file is really the one we expect + $diff = &new diff($tmp['file1'], $tmp['file2']); + $empty_2 = $diff->is_empty(); + + unset($tmp, $diff); // If the file is not modified we are finished here... - if ($diff->is_empty()) + if ($empty_1) { // Further check if it is already up to date - it could happen that non-modified files // slip through - $diff = &new diff(file($this->new_location . $original_file), file($phpbb_root_path . $file)); - - if ($diff->is_empty()) + if ($empty_2) { $update_list['up_to_date'][] = $update_ary; return; @@ -903,10 +929,9 @@ class install_update extends module } // If the file had been modified then we need to check if it is already up to date - $diff = &new diff(file($this->new_location . $original_file), file($phpbb_root_path . $file)); // if there are no differences we have an up-to-date file... - if ($diff->is_empty()) + if ($empty_2) { $update_list['up_to_date'][] = $update_ary; return; @@ -922,10 +947,16 @@ class install_update extends module return; } + $tmp = array( + 'file1' => file_get_contents($phpbb_root_path . $file), + 'file2' => implode("\n", $diff->merged_output()), + ); + // now compare the merged output with the original file to see if the modified file is up to date - $diff = &new diff(file($phpbb_root_path . $file), $diff->merged_output()); + $diff = &new diff($tmp['file1'], $tmp['file2']); + $empty = $diff->is_empty(); - if ($diff->is_empty()) + if ($empty) { $update_list['up_to_date'][] = $update_ary; return; |