$ git clone -n https://src.fedoraproject.org/rpms/python-pytest-subprocess.git /var/lib/mock/f40-build-837014-15137/root/chroot_tmpdir/scmroot/python-pytest-subprocess
Cloning into '/var/lib/mock/f40-build-837014-15137/root/chroot_tmpdir/scmroot/python-pytest-subprocess'...
$ git fetch origin b5ccb57f847c9bd7ac68ce36d35d014101a884c8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-pytest-subprocess
 * [new ref]         b5ccb57f847c9bd7ac68ce36d35d014101a884c8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b5ccb57 Don't turn warnings into errors running tests