$ git clone -n https://gitee.com/src-opencloudos-rpms/java-21-openjdk.git /var/lib/mock/dist-oc8-build-247719-83619/root/chroot_tmpdir/scmroot/java-21-openjdk
Cloning into '/var/lib/mock/dist-oc8-build-247719-83619/root/chroot_tmpdir/scmroot/java-21-openjdk'...
$ git fetch origin 6ebd392341231ed273d7d86628e0afb6b3ef6f98:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/java-21-openjdk
 * [new ref]         6ebd392341231ed273d7d86628e0afb6b3ef6f98 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6ebd392 import java-21-openjdk-21.0.12.1.1-1.1.tl3