Make sure chrootCall with args list actually passes the args as list.

src/libcalamares/PythonJobApi.cpp

@@ -66,7 +66,8 @@ chroot_call( const boost::python::list& args,
         list.append( QString::fromStdString(
             boost::python::extract< std::string >( args[ i ] ) ) );
     }
-    return CalamaresUtils::chrootCall( list.join( ' ' ),
+
+    return CalamaresUtils::chrootCall( list,
                                        QString::fromStdString( stdin ),
                                        timeout );
 }

src/libcalamares/utils/CalamaresUtilsSystem.cpp

@@ -55,7 +55,7 @@ int mount( const QString& devicePath,
     return QProcess::execute( program, args );
 }
 
-int chrootCall( const QString& command,
+int chrootCall( const QStringList& args,
                 const QString& stdInput,
                 int timeoutSec )
 {
@@ -68,11 +68,12 @@ int chrootCall( const QString& command,
         return -3;
 
     QString program( "chroot" );
-    QStringList args = { destDir, command };
+    QStringList arguments = { destDir };
+    arguments << args;
 
     QProcess process;
     process.setProgram( program );
-    process.setArguments( args );
+    process.setArguments( arguments );
 
     if ( !process.waitForStarted() )
         return -2;
@@ -92,4 +93,15 @@ int chrootCall( const QString& command,
     return process.exitCode();
 }
 
+
+int chrootCall( const QString& command,
+                const QString& stdInput,
+                int timeoutSec )
+{
+    return chrootCall( QStringList() = { command },
+                       stdInput,
+                       timeoutSec );
+}
+
+
 }

src/libcalamares/utils/CalamaresUtilsSystem.h

@@ -44,6 +44,10 @@ DLLEXPORT int mount( const QString& devicePath,
   *             -3 = bad arguments
   *             -4 = QProcess timeout
   */
+DLLEXPORT int chrootCall( const QStringList& args,
+                          const QString& stdInput = QString(),
+                          int timeoutSec = 0 );
+
 DLLEXPORT int chrootCall( const QString& command,
                           const QString& stdInput = QString(),
                           int timeoutSec = 0 );