separate model card git push from the rest (#13514)

Co-authored-by: Sylvain Gugger <35901082+sgugger@users.noreply.github.com>

docs/source/model_sharing.rst

@@ -341,8 +341,8 @@ Add a model card
 
 To make sure everyone knows what your model can do, what its limitations, potential bias or ethical considerations are,
 please add a README.md model card to your model repo. You can just create it, or there's also a convenient button
-titled "Add a README.md" on your model page. A model card template can be found `here
-<https://github.com/huggingface/model_card>`__ (meta-suggestions are welcome). model card template (meta-suggestions
+titled "Add a README.md" on your model page. A model card documentation can be found `here
+<https://huggingface.co/docs/hub/model-repos>`__ (meta-suggestions are welcome). model card template (meta-suggestions
 are welcome).
 
 .. note::

src/transformers/trainer.py

@@ -2625,7 +2625,6 @@ class Trainer:
                 model_name = Path(self.args.output_dir).name
             else:
                 model_name = self.args.hub_model_id.split("/")[-1]
-            self.create_model_card(model_name=model_name, **kwargs)
         # Needs to be executed on all processes for TPU training, but will only save on the processed determined by
         # self.args.should_save.
         self.save_model()
@@ -2634,7 +2633,16 @@ class Trainer:
         if not self.is_world_process_zero():
             return
 
-        return self.repo.push_to_hub(commit_message=commit_message, blocking=blocking)
+        git_head_commit_url = self.repo.push_to_hub(commit_message=commit_message, blocking=blocking)
+        # push separately the model card to be independant from the rest of the model
+        if self.args.should_save:
+            self.create_model_card(model_name=model_name, **kwargs)
+            try:
+                self.repo.push_to_hub(commit_message="update model card README.md", blocking=blocking)
+            except EnvironmentError as exc:
+                logger.error(f"Error pushing update to the model card. Please read logs and retry.\n${exc}")
+
+        return git_head_commit_url
 
     #
     # Deprecated code