$ git clone -n https://gitee.com/src-opencloudos-rpms/tigervnc.git /var/lib/mock/dist-oc8-build-74143-49654/root/chroot_tmpdir/scmroot/tigervnc
Cloning into '/var/lib/mock/dist-oc8-build-74143-49654/root/chroot_tmpdir/scmroot/tigervnc'...
$ git fetch origin fa716ded14f470b465cb8a2bec5a740eea53ab57:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/tigervnc
 * [new ref]         fa716ded14f470b465cb8a2bec5a740eea53ab57 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fa716de import tigervnc-1.13.1-8.tl3