$ git clone -n https://gitee.com/src-opencloudos-rpms/java-1.8.0-openjdk.git /var/lib/mock/dist-oc8-build-126303-75979/root/chroot_tmpdir/scmroot/java-1.8.0-openjdk
Cloning into '/var/lib/mock/dist-oc8-build-126303-75979/root/chroot_tmpdir/scmroot/java-1.8.0-openjdk'...
$ git fetch origin c814338912470a9982efbf42361e23d947569b17:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/java-1.8.0-openjdk
 * [new ref]         c814338912470a9982efbf42361e23d947569b17 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c814338 import java-1.8.0-openjdk-1.8.0.452.b09-2.tl3