[partition] Apply custom layout when installing "Alongside"

When choosing "Install alongside another system", the custom partition
layout is applied to the space freed by resizing the selected partition.

Signed-off-by: Arnaud Ferraris <arnaud.ferraris@collabora.com>

src/modules/partition/core/PartitionCoreModule.cpp

@@ -791,10 +791,14 @@ void
 PartitionCoreModule::layoutApply( Device *dev,
                                   qint64 firstSector,
                                   qint64 lastSector,
-                                  QString luksPassphrase )
+                                  QString luksPassphrase,
+                                  PartitionNode* parent,
+                                  const PartitionRole& role )
 {
     bool isEfi = PartUtils::isEfiSystem();
-    QList< Partition* > partList = m_partLayout->execute( dev, firstSector, lastSector, luksPassphrase );
+    QList< Partition* > partList = m_partLayout->execute( dev, firstSector, lastSector,
+                                                          luksPassphrase, parent, role
+                                                        );
 
     foreach ( Partition *part, partList )
     {
@@ -811,6 +815,17 @@ PartitionCoreModule::layoutApply( Device *dev,
     }
 }
 
+void
+PartitionCoreModule::layoutApply( Device *dev,
+                                  qint64 firstSector,
+                                  qint64 lastSector,
+                                  QString luksPassphrase )
+{
+    layoutApply( dev, firstSector, lastSector, luksPassphrase, dev->partitionTable(),
+                 PartitionRole( PartitionRole::Primary )
+               );
+}
+
 void
 PartitionCoreModule::revert()
 {

src/modules/partition/core/PartitionCoreModule.h

@@ -160,6 +160,8 @@ public:
     void initLayout( const QVariantList& config );
 
     void layoutApply( Device *dev, qint64 firstSector, qint64 lastSector, QString luksPassphrase );
+    void layoutApply( Device *dev, qint64 firstSector, qint64 lastSector, QString luksPassphrase, PartitionNode* parent, const PartitionRole& role );
+
     /**
      * @brief jobs creates and returns a list of jobs which can then apply the changes
      * requested by the user.

src/modules/partition/core/PartitionLayout.cpp

@@ -151,7 +151,9 @@ sizeToSectors( double size, PartitionLayout::SizeUnit unit, qint64 totalSize, qi
 
 QList< Partition* >
 PartitionLayout::execute( Device *dev, qint64 firstSector,
-                          qint64 lastSector, QString luksPassphrase )
+                          qint64 lastSector, QString luksPassphrase,
+                          PartitionNode* parent,
+                          const PartitionRole& role )
 {
     QList< Partition* > partList;
     qint64 size, minSize, end;
@@ -177,9 +179,9 @@ PartitionLayout::execute( Device *dev, qint64 firstSector,
         if ( luksPassphrase.isEmpty() )
         {
             currentPartition = KPMHelpers::createNewPartition(
-                dev->partitionTable(),
+                parent,
                 *dev,
-                PartitionRole( PartitionRole::Primary ),
+                role,
                 static_cast<FileSystem::Type>(part.partFileSystem),
                 firstSector,
                 end,
@@ -189,9 +191,9 @@ PartitionLayout::execute( Device *dev, qint64 firstSector,
         else
         {
             currentPartition = KPMHelpers::createNewEncryptedPartition(
-                dev->partitionTable(),
+                parent,
                 *dev,
-                PartitionRole( PartitionRole::Primary ),
+                role,
                 static_cast<FileSystem::Type>(part.partFileSystem),
                 firstSector,
                 end,

src/modules/partition/core/PartitionLayout.h

@@ -67,7 +67,7 @@ public:
      * @brief Apply the current partition layout to the selected drive space.
      * @return  A list of Partition objects.
      */
-    QList< Partition* > execute( Device *dev, qint64 firstSector, qint64 lastSector, QString luksPassphrase );
+    QList< Partition* > execute( Device *dev, qint64 firstSector, qint64 lastSector, QString luksPassphrase, PartitionNode* parent, const PartitionRole& role );
 
 private:
     QList< PartitionEntry > partLayout;

src/modules/partition/gui/ChoicePage.cpp

@@ -670,41 +670,10 @@ ChoicePage::doAlongsideApply()
                                    dev->logicalSize();
 
             m_core->resizePartition( dev, candidate, firstSector, newLastSector );
-            Partition* newPartition = nullptr;
-            QString luksPassphrase = m_encryptWidget->passphrase();
-            if ( luksPassphrase.isEmpty() )
-            {
-                newPartition = KPMHelpers::createNewPartition(
-                    candidate->parent(),
-                    *dev,
-                    candidate->roles(),
-                    FileSystem::typeForName( m_defaultFsType ),
-                    newLastSector + 2, // *
-                    oldLastSector,
-                    PartitionTable::FlagNone
-                );
-            }
-            else
-            {
-                newPartition = KPMHelpers::createNewEncryptedPartition(
-                    candidate->parent(),
-                    *dev,
-                    candidate->roles(),
-                    FileSystem::typeForName( m_defaultFsType ),
-                    newLastSector + 2, // *
-                    oldLastSector,
-                    luksPassphrase,
-                    PartitionTable::FlagNone
-                );
-            }
-            PartitionInfo::setMountPoint( newPartition, "/" );
-            PartitionInfo::setFormat( newPartition, true );
-            // * for some reason ped_disk_add_partition refuses to create a new partition
-            //   if it starts on the sector immediately after the last used sector, so we
-            //   have to push it one sector further, therefore + 2 instead of + 1.
-
-            m_core->createPartition( dev, newPartition );
-
+            m_core->layoutApply( dev, newLastSector + 2, oldLastSector,
+                                 m_encryptWidget->passphrase(), candidate->parent(),
+                                 candidate->roles()
+                               );
             m_core->dumpQueue();
 
             break;