$ git clone -n https://gitee.com/yan1hcdc/jfsutils.git /var/lib/mock/dist-an23-build-487990-74420/root/chroot_tmpdir/scmroot/jfsutils
Cloning into '/var/lib/mock/dist-an23-build-487990-74420/root/chroot_tmpdir/scmroot/jfsutils'...
$ git fetch origin 8d0934d0cde4e40618036ad2402ce73bf63773e5:KOJI_FETCH_HEAD
From https://gitee.com/yan1hcdc/jfsutils
 * [new ref]         8d0934d0cde4e40618036ad2402ce73bf63773e5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8d0934d fix building against gcc 10 and later