fix git wrapper (#29069)

* fix git wrapper

* fallback to bin/sh

* Use percent formatting as per sivel's review

lib/ansible/modules/source_control/git.py

@@ -371,9 +371,10 @@ fi
 
 def set_git_ssh(ssh_wrapper, key_file, ssh_opts):
 
-    if os.environ.get("GIT_SSH"):
-        del os.environ["GIT_SSH"]
+    # git_ssh_command will override git_ssh, so only older git needs it
     os.environ["GIT_SSH"] = ssh_wrapper
+    # using shell to avoid 'noexec' issues if module temp dir is located in such a mount
+    os.environ["GIT_SSH_COMMAND"] = '%s %s' % (os.environ.get('SHELL', '/bin/sh'), ssh_wrapper)
 
     if os.environ.get("GIT_KEY"):
         del os.environ["GIT_KEY"]