$ git clone -n https://gitee.com/src-opencloudos-rpms/java-1.8.0-openjdk.git /var/lib/mock/dist-oc8-build-238012-82499/root/chroot_tmpdir/scmroot/java-1.8.0-openjdk
Cloning into '/var/lib/mock/dist-oc8-build-238012-82499/root/chroot_tmpdir/scmroot/java-1.8.0-openjdk'...
$ git fetch origin 79d6dc33ad1762a7352e0f4da7d8dd985f1b4299:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/java-1.8.0-openjdk
 * [new ref]         79d6dc33ad1762a7352e0f4da7d8dd985f1b4299 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 79d6dc3 import java-1.8.0-openjdk-1.8.0.492.b09-1.tl3