$ git clone -n https://gitee.com/opencloudos-stream/openjdk-asmtools7.git /var/lib/mock/dist-oc9-epol-build-93169-59392/root/chroot_tmpdir/scmroot/openjdk-asmtools7
Cloning into '/var/lib/mock/dist-oc9-epol-build-93169-59392/root/chroot_tmpdir/scmroot/openjdk-asmtools7'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/openjdk-asmtools7
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cd969cd package init