$ git clone -n https://gitee.com/src-opencloudos-rpms/java-21-openjdk /var/lib/mock/dist-oc8-build-81944-56734/root/chroot_tmpdir/scmroot/java-21-openjdk
Cloning into '/var/lib/mock/dist-oc8-build-81944-56734/root/chroot_tmpdir/scmroot/java-21-openjdk'...
$ git fetch origin oc8:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/java-21-openjdk
 * [new branch]      oc8        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 92f6caf import java-21-openjdk-21.0.4.0.7-1.tl3