$ git clone -n https://gitee.com/src-opencloudos-rpms/perl-Mozilla-CA.git /var/lib/mock/dist-oc9-build-63497-16463/root/chroot_tmpdir/scmroot/perl-Mozilla-CA
Cloning into '/var/lib/mock/dist-oc9-build-63497-16463/root/chroot_tmpdir/scmroot/perl-Mozilla-CA'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/perl-Mozilla-CA
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ce6980a import perl-Mozilla-CA-20211001-5.tl4