$ git clone -n https://gitee.com/src-opencloudos-rpms/java-1.8.0-openjdk-portable.git /var/lib/mock/dist-oc8-build-256362-84579/root/chroot_tmpdir/scmroot/java-1.8.0-openjdk-portable
Cloning into '/var/lib/mock/dist-oc8-build-256362-84579/root/chroot_tmpdir/scmroot/java-1.8.0-openjdk-portable'...
$ git fetch origin 34e39f1966dbc63eaeb773868b7553f412453829:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/java-1.8.0-openjdk-portable
 * [new ref]         34e39f1966dbc63eaeb773868b7553f412453829 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 34e39f1 import java-1.8.0-openjdk-portable-1.8.0.512.b09-1.0.el8