$ git clone -n https://gitee.com/jgmu/omnispace-release.git /var/lib/mock/dist-an8.9-build-370518-71163/root/chroot_tmpdir/scmroot/omnispace-release
Cloning into '/var/lib/mock/dist-an8.9-build-370518-71163/root/chroot_tmpdir/scmroot/omnispace-release'...
$ git fetch origin 5420da7dae55e0a6218feca34b9f5cf9a1f1a0dd:KOJI_FETCH_HEAD
From https://gitee.com/jgmu/omnispace-release
 * [new ref]         5420da7dae55e0a6218feca34b9f5cf9a1f1a0dd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5420da7 1 commit