$ git clone -n https://gitee.com/src-opencloudos-rpms/java-1.8.0-openjdk.git /var/lib/mock/dist-oc8-build-81930-56702/root/chroot_tmpdir/scmroot/java-1.8.0-openjdk
Cloning into '/var/lib/mock/dist-oc8-build-81930-56702/root/chroot_tmpdir/scmroot/java-1.8.0-openjdk'...
$ git fetch origin 2f04a00bc6529a72ff8ab05e4801be2ed425d898:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/java-1.8.0-openjdk
 * [new ref]         2f04a00bc6529a72ff8ab05e4801be2ed425d898 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2f04a00 import java-1.8.0-openjdk-1.8.0.422.b05-2.tl3