Add git updater (beta)

1.9.3

- feat: Add an update button at bottom of preferences if addon is a cloned repository

__init__.py

@@ -15,7 +15,7 @@ bl_info = {
 "name": "GP toolbox",
 "description": "Tool set for Grease Pencil in animation production",
 "author": "Samuel Bernou, Christophe Seux",
-"version": (1, 9, 2),
+"version": (1, 9, 3),
 "blender": (2, 91, 0),
 "location": "Sidebar (N menu) > Gpencil > Toolbox / Gpencil properties",
 "warning": "",
@@ -27,6 +27,8 @@ bl_info = {
 # from . import addon_updater_ops
 
 # from .utils import *
+from pathlib import Path
+from shutil import which
 from .utils import get_addon_prefs, draw_kmi
 # from .functions import *
 
@@ -54,6 +56,7 @@ from . import OP_layer_manager
 from . import OP_layer_picker
 from . import OP_layer_nav
 from . import OP_material_picker
+from . import OP_git_update
 from . import OP_eraser_brush
 from . import TOOL_eraser_brush
 from . import handler_draw_cam
@@ -141,6 +144,10 @@ class GPTB_prefs(bpy.types.AddonPreferences):
 
     #--# PROJECT PREFERENCES #--#
     # subtype (string) – Enumerator in ['FILE_PATH', 'DIR_PATH', 'FILE_NAME', 'BYTE_STRING', 'PASSWORD', 'NONE'].
+    
+    # update variables
+    is_git_repo : BoolProperty(default=False)
+    has_git : BoolProperty(default=False)
 
     ## fps 
 
@@ -472,6 +479,17 @@ class GPTB_prefs(bpy.types.AddonPreferences):
                     # row.prop(self, 'nav_interval') # Do not expose refresh rate for now, not usefull to user...
 
             box.prop(self, 'use_precise_eraser')
+
+            if self.is_git_repo:
+                box = layout.box()
+                box.label(text='Addon Update')
+                if self.is_git_repo and self.has_git:
+                    box.operator('gptb.git_pull', text='Check / Get Last Update', icon='PLUGIN')
+                else:
+                    box.label(text='Toolbox can be updated using git')
+                    row = box.row()
+                    row.operator('wm.url_open', text='Download and install git here', icon='URL').url = 'https://git-scm.com/download/'
+                    row.label(text='then restart blender')
             
         if self.pref_tabs == 'KEYS':
             # layout.label(text='Shortcuts :')
@@ -702,6 +720,7 @@ def register():
     OP_layer_manager.register()
     OP_eraser_brush.register()
     OP_material_picker.register()
+    OP_git_update.register()
     OP_layer_picker.register()
     OP_layer_nav.register()
     TOOL_eraser_brush.register()
@@ -713,10 +732,16 @@ def register():
     set_env_properties()
     
     ## add handler (if option is on)
-    if get_addon_prefs().use_relative_remap_on_save:
+    prefs = get_addon_prefs()
+    if prefs.use_relative_remap_on_save:
         if not 'remap_relative' in [hand.__name__ for hand in bpy.app.handlers.save_pre]:
             bpy.app.handlers.save_pre.append(remap_relative)
-
+    
+    prefs.is_git_repo = (Path(__file__).parent / '.git').exists()
+    prefs.has_git = bool(which('git'))
+        
+    ## change a variable in prefs if a '.git is detected'
+    
 
 def unregister():
     # remove handler
@@ -732,6 +757,7 @@ def unregister():
     TOOL_eraser_brush.unregister()
     OP_layer_nav.unregister()
     OP_layer_picker.unregister()
+    OP_git_update.unregister()
     OP_material_picker.unregister()
     OP_eraser_brush.unregister()
     OP_layer_manager.unregister()