'Features Diff All',
'description' => 'View the diff output for all of the features',
'page callback' => '_features_diff_view',
'page arguments' => array(2),
'access arguments' => array('view diffs of features')
);
return $items;
}
/**
* Show the diff of a single feature module.
*/
function _features_diff_diff($module) {
$output = '';
$feature = feature_load($module);
if (!module_exists($module)) {
return t("No such feature is enabled: $module.") . "
";
}
module_load_include('inc', 'features', 'features.export');
$overrides = features_detect_overrides($feature);
if (empty($overrides)) {
return t("Feature is in its default state. No diff needed.") . "
";
}
module_load_include('inc', 'diff', 'diff.engine');
$formatter = new DiffFormatter();
$formatter->leading_context_lines = 2;
$formatter->trailing_context_lines = 2;
$formatter->show_header = FALSE;
$red = "%s";
$green = "%s";
// Print key for colors
$output .= "Legend:
";
$output .= sprintf($red, t('Code: features revert will remove the overrides.')) . "
";
$output .= sprintf($green, t('Overrides: features update will update the exported feature with the displayed overrides')) . "
";
$output .= "
";
foreach ($overrides as $component => $items) {
$diff = new Diff(explode("\n", $items['default']), explode("\n", $items['normal']));
$output .= "
";
$output .= t("Component: !component", array('!component' => $component)) . "
";
$rows = explode("\n", $formatter->format($diff));
foreach ($rows as $row) {
if (strpos($row, '>') === 0) {
$output .= sprintf($green, $row);
}
elseif (strpos($row, '<') === 0) {
$output .= sprintf($red, $row);
}
else {
$output .= $row;
}
$output .= "
";
}
}
return $output;
}
/**
* Run a diff on all of the features.
*/
function _features_diff_diff_all() {
// Iterate through every feature module
foreach (features_get_features() as $module) {
// Make sure it is enabled
if ($module->status) {
$output .= "--- $module->name
";
$output .= _features_diff_diff($module->name);
$output .= "
";
}
}
return $output;
}
/*
* Menu callback for features/diff/%
*/
function _features_diff_view($feature_name) {
// This module needs the diff module. Make sure it is instaleld and enabled
module_load_include('inc', 'diff', 'diff.engine');
if (!class_exists('DiffFormatter')) {
// See comment below on why we print rather than return the output
print t('It seems that the Diff module is not available.');
}
// Check the last component of the path. It may be "all" or a feature name
if ($feature_name == "all") {
$output = _features_diff_diff_all();
}
else {
$output = print _features_diff_diff($feature_name);
}
// Normally, you should just return the output rather than printing it.
// But this is a special case as we want a "raw" output format.
print $output;
}