[Bf-blender-cvs] [603ae580ce5] master: Build: show better "make update" error message when in detached HEAD state

[Brecht Van Lommel]

Commit: 603ae580ce557eb62cb323302dfcc0be265e7ea7
Author: Brecht Van Lommel
Date:   Mon Sep 13 13:13:03 2021 +0200
Branches: master
https://developer.blender.org/rB603ae580ce557eb62cb323302dfcc0be265e7ea7

Build: show better "make update" error message when in detached HEAD state

===================================================================

M	build_files/utils/make_update.py

===================================================================

diff --git a/build_files/utils/make_update.py b/build_files/utils/make_update.py
index b901fa56f52..a6399790bc9 100755
--- a/build_files/utils/make_update.py
+++ b/build_files/utils/make_update.py
@@ -222,6 +222,10 @@ if __name__ == "__main__":
 
     # Test if we are building a specific release version.
     branch = make_utils.git_branch(args.git_command)
+    if branch == 'HEAD':
+        sys.stderr.write('Blender git repository is in detached HEAD state, must be in a branch\n')
+        sys.exit(1)
+
     tag = make_utils.git_tag(args.git_command)
     release_version = make_utils.git_branch_release_version(branch, tag)