$ git clone -n https://gitee.com/src-anolis-os/pv.git /var/lib/mock/dist-an23.5-AImanager-build-529204-76907/root/chroot_tmpdir/scmroot/pv
Cloning into '/var/lib/mock/dist-an23.5-AImanager-build-529204-76907/root/chroot_tmpdir/scmroot/pv'...
$ git fetch origin a23:KOJI_FETCH_HEAD
From https://gitee.com/src-anolis-os/pv
 * [new branch]      a23        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at eba2a33 update pv.spec.