$ git clone -n https://gitee.com/fundawang/cups-pk-helper.git /var/lib/mock/dist-an23-build-190315-60783/root/chroot_tmpdir/scmroot/cups-pk-helper
Cloning into '/var/lib/mock/dist-an23-build-190315-60783/root/chroot_tmpdir/scmroot/cups-pk-helper'...
$ git fetch origin 6182614f5f55343ea8a1f8d47057e1935be6fbfc:KOJI_FETCH_HEAD
From https://gitee.com/fundawang/cups-pk-helper
 * [new ref]         6182614f5f55343ea8a1f8d47057e1935be6fbfc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6182614 0.2.7