$ git clone -n https://src.fedoraproject.org/rpms/python-typing-extensions.git /var/lib/mock/f40-build-2232185-53326/root/chroot_tmpdir/scmroot/python-typing-extensions
Cloning into '/var/lib/mock/f40-build-2232185-53326/root/chroot_tmpdir/scmroot/python-typing-extensions'...
$ git fetch origin 9217e4a8b4195e931a6c4b4522dc8955f42710fd:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-typing-extensions
 * [new ref]         9217e4a8b4195e931a6c4b4522dc8955f42710fd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9217e4a Updated to version 4.9.0