$ git clone -n https://gitee.com/opencloudos-stream/appstream.git /var/lib/mock/dist-rebuild-after-rpm-check-build-174236-10980/root/chroot_tmpdir/scmroot/appstream
Cloning into '/var/lib/mock/dist-rebuild-after-rpm-check-build-174236-10980/root/chroot_tmpdir/scmroot/appstream'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/appstream
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c945955 !1 appstream Init Merge pull request !1 from chairou/master