$ git clone -n https://gitee.com/Weisson/tar.git /var/lib/mock/dist-an23.3-build-414848-72844/root/chroot_tmpdir/scmroot/tar
Cloning into '/var/lib/mock/dist-an23.3-build-414848-72844/root/chroot_tmpdir/scmroot/tar'...
$ git fetch origin bcf1b1064a8888b6bc42b6c46e81607618843f5c:KOJI_FETCH_HEAD
From https://gitee.com/Weisson/tar
 * [new ref]         bcf1b1064a8888b6bc42b6c46e81607618843f5c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bcf1b10 update to tar 1.35.