$ git clone -n https://src.fedoraproject.org/rpms/python-pebble.git /var/lib/mock/f40-build-2052052-49062/root/chroot_tmpdir/scmroot/python-pebble
Cloning into '/var/lib/mock/f40-build-2052052-49062/root/chroot_tmpdir/scmroot/python-pebble'...
$ git fetch origin df4722312928440185f663a79c4919b535e5a848:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-pebble
 * [new ref]         df4722312928440185f663a79c4919b535e5a848 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at df47223 fix: disable intermittently hanging test