$ git clone -n https://gitee.com/mgb01105731/libtar.git /var/lib/mock/dist-an23-build-498397-74675/root/chroot_tmpdir/scmroot/libtar
Cloning into '/var/lib/mock/dist-an23-build-498397-74675/root/chroot_tmpdir/scmroot/libtar'...
$ git fetch origin 07267cdb040fbcc481826087fcf1dd58fe85e3ca:KOJI_FETCH_HEAD
From https://gitee.com/mgb01105731/libtar
 * [new ref]         07267cdb040fbcc481826087fcf1dd58fe85e3ca -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 07267cd init