$ git clone -n https://gitee.com/src-opencloudos-rpms/java-1.8.0-openjdk-portable.git /var/lib/mock/dist-oc8-build-238000-82496/root/chroot_tmpdir/scmroot/java-1.8.0-openjdk-portable
Cloning into '/var/lib/mock/dist-oc8-build-238000-82496/root/chroot_tmpdir/scmroot/java-1.8.0-openjdk-portable'...
$ git fetch origin 578eb1b53dd2d0f78448d8d8bc1f480df9af3fe2:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/java-1.8.0-openjdk-portable
 * [new ref]         578eb1b53dd2d0f78448d8d8bc1f480df9af3fe2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 578eb1b import java-1.8.0-openjdk-portable-1.8.0.492.b09-1.el8