$ git clone -n https://gitee.com/src-opencloudos-rpms/java-21-openjdk.git /var/lib/mock/dist-oc8-build-254755-84458/root/chroot_tmpdir/scmroot/java-21-openjdk
Cloning into '/var/lib/mock/dist-oc8-build-254755-84458/root/chroot_tmpdir/scmroot/java-21-openjdk'...
$ git fetch origin c86a1d4779ab833fbf1f279b38b31c7f868c3653:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/java-21-openjdk
 * [new ref]         c86a1d4779ab833fbf1f279b38b31c7f868c3653 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c86a1d4 import java-21-openjdk-21.0.13.0.9-1.1.tl3