Save blenderbim last commit hash to the ifc header

Now it's possible to identify blenderbim version from .ifc file which is useful for debugging

Example:
FILE_NAME('test.ifc','2023-08-22T18:07:07+05:00',(),(),'IfcOpenShell v0.7.0-fc50bdd3a','BlenderBIM 0.0.999999-64bc7af','Nobody');

src/blenderbim/blenderbim/bim/export_ifc.py

@@ -82,7 +82,7 @@ class IfcExporter:
         )
         self.file.wrapped_data.header.file_name.preprocessor_version = "IfcOpenShell {}".format(ifcopenshell.version)
         self.file.wrapped_data.header.file_name.originating_system = "{} {}".format(
-            self.get_application_name(), self.get_application_version()
+            self.get_application_name(), tool.Blender.get_blenderbim_version()
         )
 
     def sync_all_objects(self):
@@ -162,7 +162,7 @@ class IfcExporter:
         return "BlenderBIM"
 
     def get_application_version(self):
-        return ".".join(
+        version = ".".join(
             [
                 str(x)
                 for x in [
@@ -172,6 +172,9 @@ class IfcExporter:
                 ][0]
             ]
         )
+        if blenderbim.bim.last_commit_hash != "8888888":
+            version += f"-{blenderbim.bim.last_commit_hash[:7]}"
+        return version
 
 
 class IfcExportSettings:

src/blenderbim/blenderbim/bim/ui.py

@@ -464,6 +464,7 @@ class BIM_PT_tab_quality_control(Panel):
     def draw(self, context):
         pass
 
+
 class BIM_PT_tab_clash_detection(Panel):
     bl_label = "Clash Detection"
     bl_space_type = "PROPERTIES"
@@ -477,6 +478,7 @@ class BIM_PT_tab_clash_detection(Panel):
     def draw(self, context):
         pass
 
+
 class BIM_PT_tab_sandbox(Panel):
     bl_label = "Sandbox"
     bl_space_type = "PROPERTIES"
@@ -658,24 +660,13 @@ class UIData:
 
     @classmethod
     def version(cls):
-        return ".".join(
-            [
-                str(x)
-                for x in [
-                    addon.bl_info.get("version", (-1, -1, -1))
-                    for addon in addon_utils.modules()
-                    if addon.bl_info["name"] == "BlenderBIM"
-                ][0]
-            ]
-        )
+        return tool.Blender.get_blenderbim_version()
 
 
 def draw_statusbar(self, context):
     if not UIData.is_loaded:
         UIData.load()
     text = f"BlenderBIM Add-on v{UIData.data['version']}"
-    if blenderbim.bim.last_commit_hash != "8888888":
-        text += f"-{blenderbim.bim.last_commit_hash[:7]}"
     self.layout.label(text=text)
 
 

src/blenderbim/blenderbim/tool/blender.py

@@ -20,8 +20,10 @@ import bpy
 import json
 import ifcopenshell.api
 import blenderbim.tool as tool
+import blenderbim.bim
 from mathutils import Vector
 from pathlib import Path
+import addon_utils
 
 
 VIEWPORT_ATTRIBUTES = [
@@ -588,3 +590,19 @@ class Blender:
                     child_obj = tool.Blender.get_object_from_guid(child_guid)
                     if child_obj:
                         yield child_obj
+
+    @classmethod
+    def get_blenderbim_version(cls):
+        version = ".".join(
+            [
+                str(x)
+                for x in [
+                    addon.bl_info.get("version", (-1, -1, -1))
+                    for addon in addon_utils.modules()
+                    if addon.bl_info["name"] == "BlenderBIM"
+                ][0]
+            ]
+        )
+        if blenderbim.bim.last_commit_hash != "8888888":
+            version += f"-{blenderbim.bim.last_commit_hash[:7]}"
+        return version