$ git clone -n https://gitee.com/src-opencloudos-rpms/perl-File-Slurp.git /var/lib/mock/dist-oc9-build-43622-14591/root/chroot_tmpdir/scmroot/perl-File-Slurp
Cloning into '/var/lib/mock/dist-oc9-build-43622-14591/root/chroot_tmpdir/scmroot/perl-File-Slurp'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/perl-File-Slurp
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2b3bae2 import perl-File-Slurp-9999.32-3.tl4