ifcgit.git_diff - save diff to temp file on alt-click

src/bonsai/bonsai/bim/module/ifcgit/operator.py

@@ -4,6 +4,7 @@ import bpy
 import bonsai.core.ifcgit as core
 import bonsai.tool as tool
 from bonsai.bim.module.ifcgit.data import IfcGitData, refresh
+from typing import TYPE_CHECKING
 
 
 class CreateRepo(bpy.types.Operator):
@@ -410,12 +411,20 @@ class InstallGit(bpy.types.Operator):
 
 
 class RunGitDiff(bpy.types.Operator):
-    """Run `git diff` for the current version of IFC file and the last saved one."""
 
     bl_label = "Git Diff"
     bl_idname = "ifcgit.git_diff"
+    bl_description = (
+        "Run `git diff` for the current version of IFC file and the last saved one.\n\n"
+        "ALT+click to save output to temp directory."
+    )
     bl_options = set()
 
+    save_to_temp: bpy.props.BoolProperty(options={"SKIP_SAVE"})  # pyright: ignore[reportRedeclaration]
+
+    if TYPE_CHECKING:
+        save_to_temp: bool
+
     @classmethod
     def poll(cls, context):
         if not tool.Ifc.get():
@@ -426,6 +435,11 @@ class RunGitDiff(bpy.types.Operator):
             return False
         return True
 
+    def invoke(self, context, event):
+        if event.alt:
+            self.save_to_temp = True
+        return self.execute(context)
+
     def execute(self, context):
-        core.run_git_diff(tool.IfcGit, self)
+        core.run_git_diff(tool.IfcGit, self, self.save_to_temp)
         return {"FINISHED"}

src/bonsai/bonsai/core/ifcgit.py

@@ -144,5 +144,5 @@ def install_git(ifcgit: type[tool.IfcGit], operator: bpy.types.Operator) -> None
         print("install_git() not implemented")
 
 
-def run_git_diff(ifcgit: type[tool.IfcGit], operator: bpy.types.Operator) -> None:
-    ifcgit.run_git_diff(operator)
+def run_git_diff(ifcgit: type[tool.IfcGit], operator: bpy.types.Operator, save_to_temp: bool) -> None:
+    ifcgit.run_git_diff(operator, save_to_temp)

src/bonsai/bonsai/tool/ifcgit.py

@@ -22,9 +22,11 @@ import re
 import subprocess
 import bpy
 import logging
+import tempfile
 from bonsai.bim import import_ifc
 from bonsai.bim.ifc import IfcStore
 import bonsai.tool as tool
+from pathlib import Path
 from typing import TYPE_CHECKING, Union, Literal, Any
 
 # allows git import even if git executable isn't found
@@ -582,21 +584,27 @@ class IfcGit:
             operator.report({"ERROR"}, "Winget is not available. Make sure Windows Package Manager is installed.")
 
     @classmethod
-    def run_git_diff(cls, operator: bpy.types.Operator) -> None:
+    def run_git_diff(cls, operator: bpy.types.Operator, save_to_temp: bool) -> None:
         path = tool.Ifc.get_path()
         ifc_file = tool.Ifc.get()
         ifc_str = ifc_file.to_string()
 
+        color = "never" if save_to_temp else "always"
         # Avoid `text=True` as it's causing issues with colorful output.
         try:
             subprocess.check_output(
-                ("git", "diff", "--no-index", "--color=always", "--", path, "-"),
+                ("git", "diff", "--no-index", f"--color={color}", "--", path, "-"),
                 input=ifc_str.encode(),
             )
         except subprocess.CalledProcessError as e:
             if e.returncode == 1:
-                print(e.stdout.decode())
-                operator.report({"INFO"}, "See system console for git diff output.")
+                if save_to_temp:
+                    temp_path = Path(tempfile.gettempdir()) / "bonsai.diff"
+                    temp_path.write_bytes(e.stdout)
+                    operator.report({"INFO"}, f"Git diff output is saved to {temp_path}.")
+                else:
+                    print(e.stdout.decode())
+                    operator.report({"INFO"}, "See system console for git diff output.")
                 return
             print(e.output)
             raise Exception("Error running git diff, see system console.")