$ git clone -n https://gitee.com/rabbitali/nginx.git /var/lib/mock/dist-an23-build-521759-76205/root/chroot_tmpdir/scmroot/nginx
Cloning into '/var/lib/mock/dist-an23-build-521759-76205/root/chroot_tmpdir/scmroot/nginx'...
$ git fetch origin a047f4b4791defb3aab9752181f11614f0951d4e:KOJI_FETCH_HEAD
From https://gitee.com/rabbitali/nginx
 * [new ref]         a047f4b4791defb3aab9752181f11614f0951d4e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a047f4b [Bug] Rebuild for compatibility, security, and dependency resolution.