$ git clone -n https://gitee.com/src-opencloudos-rpms/java-21-openjdk-portable.git /var/lib/mock/dist-oc8-build-238041-82504/root/chroot_tmpdir/scmroot/java-21-openjdk-portable
Cloning into '/var/lib/mock/dist-oc8-build-238041-82504/root/chroot_tmpdir/scmroot/java-21-openjdk-portable'...
$ git fetch origin oc8:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/java-21-openjdk-portable
 * [new branch]      oc8        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 694704d import java-21-openjdk-portable-21.0.11.0.10-1.el8