From 6376692fec24267af13f7900e2ac60fd65aed373 Mon Sep 17 00:00:00 2001
From: Ondrej Samohel <ondrej.samohel@ynput.io>
Date: Tue, 22 Aug 2023 13:56:47 +0200
Subject: [PATCH 1/4] :recycle: use temp dir for project creation

---
 .../unreal/hooks/pre_workfile_preparation.py   | 18 ++++++++++++++----
 1 file changed, 14 insertions(+), 4 deletions(-)

diff --git a/openpype/hosts/unreal/hooks/pre_workfile_preparation.py b/openpype/hosts/unreal/hooks/pre_workfile_preparation.py
index 202d7854f64..fad7a7ed0b9 100644
--- a/openpype/hosts/unreal/hooks/pre_workfile_preparation.py
+++ b/openpype/hosts/unreal/hooks/pre_workfile_preparation.py
@@ -2,6 +2,7 @@
 """Hook to launch Unreal and prepare projects."""
 import os
 import copy
+import tempfile
 from pathlib import Path
 
 from qtpy import QtCore
@@ -224,10 +225,19 @@ def execute(self):
         project_file = project_path / unreal_project_filename
 
         if not project_file.is_file():
-            self.exec_ue_project_gen(engine_version,
-                                     unreal_project_name,
-                                     engine_path,
-                                     project_path)
+            with tempfile.TemporaryDirectory() as temp_dir:
+                temp_path = Path(temp_dir) / unreal_project_filename
+                self.exec_ue_project_gen(engine_version,
+                                         unreal_project_name,
+                                         engine_path,
+                                         temp_path)
+                try:
+                    temp_path.rename(project_path)
+                except FileExistsError as e:
+                    raise ApplicationLaunchFailed((
+                        f"{self.signature} Project folder "
+                        f"already exists {project_path.as_posix()}"
+                    )) from e
 
         self.launch_context.env["AYON_UNREAL_VERSION"] = engine_version
         # Append project file to launch arguments

From 92165f521ef5f51e46758b3068083339f8d7a14d Mon Sep 17 00:00:00 2001
From: Ondrej Samohel <ondrej.samohel@ynput.io>
Date: Tue, 22 Aug 2023 15:41:24 +0200
Subject: [PATCH 2/4] :bug: fix copy function

---
 .../unreal/hooks/pre_workfile_preparation.py    | 17 ++++++++++++-----
 1 file changed, 12 insertions(+), 5 deletions(-)

diff --git a/openpype/hosts/unreal/hooks/pre_workfile_preparation.py b/openpype/hosts/unreal/hooks/pre_workfile_preparation.py
index fad7a7ed0b9..fb489f04f73 100644
--- a/openpype/hosts/unreal/hooks/pre_workfile_preparation.py
+++ b/openpype/hosts/unreal/hooks/pre_workfile_preparation.py
@@ -2,6 +2,7 @@
 """Hook to launch Unreal and prepare projects."""
 import os
 import copy
+import shutil
 import tempfile
 from pathlib import Path
 
@@ -230,13 +231,19 @@ def execute(self):
                 self.exec_ue_project_gen(engine_version,
                                          unreal_project_name,
                                          engine_path,
-                                         temp_path)
+                                         Path(temp_dir))
                 try:
-                    temp_path.rename(project_path)
-                except FileExistsError as e:
+                    self.log.info((
+                         f"Moving from {temp_dir} to "
+                         f"{project_path.as_posix()}"
+                    ))
+                    shutil.copytree(
+                        temp_dir, project_path, dirs_exist_ok=True)
+
+                except shutil.Error as e:
                     raise ApplicationLaunchFailed((
-                        f"{self.signature} Project folder "
-                        f"already exists {project_path.as_posix()}"
+                        f"{self.signature} Cannot copy directory {temp_dir} "
+                        f"to {project_path.as_posix()} - {e}"
                     )) from e
 
         self.launch_context.env["AYON_UNREAL_VERSION"] = engine_version

From c2b49a897eee6c33e405a3229bd48bcaee6c8178 Mon Sep 17 00:00:00 2001
From: Ondrej Samohel <ondrej.samohel@ynput.io>
Date: Tue, 22 Aug 2023 15:43:48 +0200
Subject: [PATCH 3/4] :recycle: remove unused variable

---
 openpype/hosts/unreal/hooks/pre_workfile_preparation.py | 1 -
 1 file changed, 1 deletion(-)

diff --git a/openpype/hosts/unreal/hooks/pre_workfile_preparation.py b/openpype/hosts/unreal/hooks/pre_workfile_preparation.py
index fb489f04f73..efbbed27c80 100644
--- a/openpype/hosts/unreal/hooks/pre_workfile_preparation.py
+++ b/openpype/hosts/unreal/hooks/pre_workfile_preparation.py
@@ -227,7 +227,6 @@ def execute(self):
 
         if not project_file.is_file():
             with tempfile.TemporaryDirectory() as temp_dir:
-                temp_path = Path(temp_dir) / unreal_project_filename
                 self.exec_ue_project_gen(engine_version,
                                          unreal_project_name,
                                          engine_path,

From 92000bc21e03d3ddf1fc99a62421ead1f278865f Mon Sep 17 00:00:00 2001
From: Ondrej Samohel <ondrej.samohel@ynput.io>
Date: Tue, 22 Aug 2023 15:48:19 +0200
Subject: [PATCH 4/4] :rotating_light: fix hound :dog:

---
 openpype/hosts/unreal/hooks/pre_workfile_preparation.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/openpype/hosts/unreal/hooks/pre_workfile_preparation.py b/openpype/hosts/unreal/hooks/pre_workfile_preparation.py
index efbbed27c80..a635bd4cab9 100644
--- a/openpype/hosts/unreal/hooks/pre_workfile_preparation.py
+++ b/openpype/hosts/unreal/hooks/pre_workfile_preparation.py
@@ -233,8 +233,8 @@ def execute(self):
                                          Path(temp_dir))
                 try:
                     self.log.info((
-                         f"Moving from {temp_dir} to "
-                         f"{project_path.as_posix()}"
+                        f"Moving from {temp_dir} to "
+                        f"{project_path.as_posix()}"
                     ))
                     shutil.copytree(
                         temp_dir, project_path, dirs_exist_ok=True)