$ git clone -n https://gitee.com/mgb01105731/libisoburn_2.git /var/lib/mock/dist-an23.3-build-425773-72976/root/chroot_tmpdir/scmroot/libisoburn_2
Cloning into '/var/lib/mock/dist-an23.3-build-425773-72976/root/chroot_tmpdir/scmroot/libisoburn_2'...
$ git fetch origin 869ea109ca7cbb25737e73bc4fed69452ab7b74e:KOJI_FETCH_HEAD
From https://gitee.com/mgb01105731/libisoburn_2
 * [new ref]         869ea109ca7cbb25737e73bc4fed69452ab7b74e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 869ea10 Update to 1.5.6 from 1.5.4