$ git clone -n https://gitee.com/src-anolis-os/autogen.git /var/lib/mock/dist-an23-loongarch-build-316673-67753/root/chroot_tmpdir/scmroot/autogen
Cloning into '/var/lib/mock/dist-an23-loongarch-build-316673-67753/root/chroot_tmpdir/scmroot/autogen'...
$ git fetch origin a23:KOJI_FETCH_HEAD
From https://gitee.com/src-anolis-os/autogen
 * [new branch]      a23        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 75067c2 Refact spec