$ git clone -n https://gitee.com/opencloudos-stream/ghc-hxt-regex-xmlschema.git /var/lib/mock/dist-oc9-epol-build-107523-67106/root/chroot_tmpdir/scmroot/ghc-hxt-regex-xmlschema
Cloning into '/var/lib/mock/dist-oc9-epol-build-107523-67106/root/chroot_tmpdir/scmroot/ghc-hxt-regex-xmlschema'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/ghc-hxt-regex-xmlschema
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 32f0f17 update