$ git clone -n https://gitee.com/src-anolis-sig/java-17-alibaba-dragonwell.git /var/lib/mock/dist-an8.8-plus-build-296621-65218/root/chroot_tmpdir/scmroot/java-17-alibaba-dragonwell
Cloning into '/var/lib/mock/dist-an8.8-plus-build-296621-65218/root/chroot_tmpdir/scmroot/java-17-alibaba-dragonwell'...
$ git fetch origin a8:KOJI_FETCH_HEAD
From https://gitee.com/src-anolis-sig/java-17-alibaba-dragonwell
 * [new branch]      a8         -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a83b25e unset the java-17-alibaba-dragonwell is a system java