$ git clone -n https://gitee.com/src-opencloudos-rpms/perl-DateTime-TimeZone-Tzfile.git /var/lib/mock/dist-oc9-build-43512-14591/root/chroot_tmpdir/scmroot/perl-DateTime-TimeZone-Tzfile
Cloning into '/var/lib/mock/dist-oc9-build-43512-14591/root/chroot_tmpdir/scmroot/perl-DateTime-TimeZone-Tzfile'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/perl-DateTime-TimeZone-Tzfile
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6c02fbd import perl-DateTime-TimeZone-Tzfile-0.011-3.tl4