Add initial setup global settings

internal/wisski/ingredient/barrel/manager/apply.go

@@ -11,6 +11,7 @@ import (
 )
 
 // Apply applies the given profile to this existing instance.
+// The instance must be running
 func (manager *Manager) Apply(ctx context.Context, progress io.Writer, flags Profile) error {
 	// Update drupal
 	if flags.Drupal != "" {

internal/wisski/ingredient/barrel/manager/provision.go

@@ -127,6 +127,14 @@ func (provision *Manager) bootstrap(ctx context.Context, progress io.Writer, fla
 		}
 	}
 
+	// Rebuild the settings file
+	logging.LogMessage(progress, "Rebuilding Settings")
+	{
+		if err := provision.dependencies.SystemManager.RebuildSettings(ctx, progress); err != nil {
+			return err
+		}
+	}
+
 	// Create directory for ontologies
 	logging.LogMessage(progress, fmt.Sprintf("Creating %q", barrel.OntologyDirectory))
 	{
@@ -168,13 +176,6 @@ func (provision *Manager) bootstrap(ctx context.Context, progress io.Writer, fla
 		}
 	}
 
-	logging.LogMessage(progress, "Updating TRUSTED_HOST_PATTERNS in settings.php")
-	{
-		if err := provision.dependencies.Settings.SetTrustedDomain(ctx, nil, provision.Domain()); err != nil {
-			return err
-		}
-	}
-
 	logging.LogMessage(progress, "Running initial cron")
 	{
 		if err := provision.dependencies.Drush.Exec(ctx, progress, "core-cron"); err != nil {

internal/wisski/ingredient/barrel/system/settings.go

@@ -0,0 +1,27 @@
+package system
+
+import (
+	"context"
+	"io"
+
+	"github.com/FAU-CDI/wisski-distillery/pkg/logging"
+)
+
+// RebuildSettings (re-)configures settings.php for the provided running instance
+func (smanager *SystemManager) RebuildSettings(ctx context.Context, progress io.Writer) (err error) {
+	logging.LogMessage(progress, "Updating TRUSTED_HOST_PATTERNS in settings.php")
+	{
+		if err := smanager.dependencies.Settings.SetTrustedDomain(ctx, nil, smanager.Domain()); err != nil {
+			return err
+		}
+	}
+
+	logging.LogMessage(progress, "Adding distillery settings to settings.php")
+	{
+		if err := smanager.dependencies.Settings.InstallDistillerySettings(ctx, nil); err != nil {
+			return err
+		}
+	}
+
+	return nil
+}

internal/wisski/ingredient/php/extras/settings.go

@@ -36,7 +36,10 @@ func (settings *Settings) Set(ctx context.Context, server *phpx.Server, key stri
 	return err
 }
 
-var errFailedToSetTrustedDomain = errors.New("failed to set trusted domain")
+var (
+	errFailedToSetTrustedDomain        = errors.New("failed to set trusted domain")
+	errFailedInstallDistillerySettings = errors.New("failed to install distillery settings")
+)
 
 func (settings *Settings) SetTrustedDomain(ctx context.Context, server *phpx.Server, domain string) error {
 	var ok bool
@@ -47,3 +50,18 @@ func (settings *Settings) SetTrustedDomain(ctx context.Context, server *phpx.Ser
 	}
 	return err
 }
+
+// GlobalSettingsPath is the global path to distillery settings
+const GlobalSettingsPath = "/distillery_settings.php"
+
+func (settings *Settings) InstallDistillerySettings(ctx context.Context, server *phpx.Server) error {
+	var ok bool
+
+	err := settings.dependencies.PHP.ExecScript(ctx, server, &ok, settingsPHP, "install_settings_include", []string{
+		GlobalSettingsPath,
+	})
+	if err == nil && !ok {
+		err = errFailedInstallDistillerySettings
+	}
+	return err
+}

internal/wisski/ingredient/php/extras/settings.php

@@ -40,7 +40,6 @@ function set_setting(string $name, mixed $value): bool {
     try {
         drupal_rewrite_settings($settings, $filename);
     } catch(Throwable $t) {
-        throw $t; // DEBUG
         return FALSE;
     }
 
@@ -52,4 +51,43 @@ function set_setting(string $name, mixed $value): bool {
 /** Sets the trusted host to the specified domain */
 function set_trusted_domain(string $domain): bool {
     return set_setting("trusted_host_patterns", [preg_quote($domain)]);
+}
+
+/** Sets up including a settings.php file from the given path */
+function install_settings_include(array $paths): bool {
+    // find the original filename
+    $filename = DRUPAL_ROOT . "/" . \Drupal::getContainer()->getParameter("site.path") . "/settings.php";
+    
+    // read the original file
+    $original_content = file_get_contents($filename);
+    if ($original_content === FALSE) {
+        return FALSE;
+    }
+
+    // remove any old <distillery-settings-includes>
+    $pattern = '/\/\/(\s*)<distillery-settings-include>(.*?)\/\/(\s*)<\/distillery-settings-include>/s';
+    $new_content = preg_replace($pattern, '', $originalContent);
+    
+    $code = "// <distillery-settings-include>>\n//\n// DO NOT MODIFY THIS BLOCK AND KEEP IT AT THE END OF THE FILE.\n// DO NOT REMOVE CONFIG TAGS\n";
+    foreach ($paths as $path) {
+        // escape the path to be included
+        $the_path = "'" . addslashes($path) . "'";
+        // resolve it (if it isn't absolute)
+        if (!str_starts_with($path, '/')) {
+            $the_path = '$app_root . \'/\' . $site_path . \'/\' . ' . $the_path;
+        }
+
+        // add code to include the file if it exists
+        $code = $code . 'if (file_exists(' . $the_path . ')) { include_once ' . $the_path . '; }' . "\n";
+    }
+    $code = $code . "// </distillery-settings-include>";
+
+    // and store the settings
+    try {
+        file_put_contents($filename, $original_content . $code);
+    }  catch(Throwable $t) {
+        return FALSE;
+    }
+
+    return TRUE;
 }