$ git clone -n https://gitee.com/src-anolis-os/memcached.git /var/lib/mock/dist-an23-loongarch-build-309373-66339/root/chroot_tmpdir/scmroot/memcached
Cloning into '/var/lib/mock/dist-an23-loongarch-build-309373-66339/root/chroot_tmpdir/scmroot/memcached'...
$ git fetch origin a23:KOJI_FETCH_HEAD
From https://gitee.com/src-anolis-os/memcached
 * [new branch]      a23        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6c8e4b3 !8 update to 1.6.21 Merge pull request !8 from happy_orange/a23