$ git clone -n https://gitee.com/src-opencloudos-rpms/docbook-style-xsl.git /var/lib/mock/dist-oc9-build-61621-16463/root/chroot_tmpdir/scmroot/docbook-style-xsl
Cloning into '/var/lib/mock/dist-oc9-build-61621-16463/root/chroot_tmpdir/scmroot/docbook-style-xsl'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/docbook-style-xsl
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d48bb34 import docbook-style-xsl-1.79.2-4.tl4