$ git clone -n https://src.fedoraproject.org/rpms/python-pip.git /var/lib/mock/f41-build-side-1-2814845-32949/root/chroot_tmpdir/scmroot/python-pip
Cloning into '/var/lib/mock/f41-build-side-1-2814845-32949/root/chroot_tmpdir/scmroot/python-pip'...
$ git fetch origin 858b6685fac01550996ff8b0bbf8a824564ab108:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-pip
 * [new ref]         858b6685fac01550996ff8b0bbf8a824564ab108 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 858b668 Verify no unwanted files are present in the package