$ git clone -n https://src.fedoraproject.org/rpms/python-cookiecutter.git /var/lib/mock/f40-build-2025687-47151/root/chroot_tmpdir/scmroot/python-cookiecutter
Cloning into '/var/lib/mock/f40-build-2025687-47151/root/chroot_tmpdir/scmroot/python-cookiecutter'...
$ git fetch origin 8b882401444c0f27a3ec3776466c22dced4d256e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-cookiecutter
 * [new ref]         8b882401444c0f27a3ec3776466c22dced4d256e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8b88240 Bump to 2.5.0 [rhbz#2251160]