$ git clone -n https://gitee.com/errata/tigervnc.git /var/lib/mock/dist-an7_9-updates-build-387661-71962/root/chroot_tmpdir/scmroot/tigervnc
Cloning into '/var/lib/mock/dist-an7_9-updates-build-387661-71962/root/chroot_tmpdir/scmroot/tigervnc'...
$ git fetch origin f9afbc27817ba6bf3ec26ce039029955a91e4b9f:KOJI_FETCH_HEAD
From https://gitee.com/errata/tigervnc
 * [new ref]         f9afbc27817ba6bf3ec26ce039029955a91e4b9f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f9afbc2 fix build error