$ git clone -n https://gitee.com/mgb01105731/libisofs_2.git /var/lib/mock/dist-an23.3-build-420078-72884/root/chroot_tmpdir/scmroot/libisofs_2
Cloning into '/var/lib/mock/dist-an23.3-build-420078-72884/root/chroot_tmpdir/scmroot/libisofs_2'...
$ git fetch origin 05ae2fe710559bad53b0b4699dbe72d5a3cc0fd0:KOJI_FETCH_HEAD
From https://gitee.com/mgb01105731/libisofs_2
 * [new ref]         05ae2fe710559bad53b0b4699dbe72d5a3cc0fd0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 05ae2fe Update to 1.5.6 from 1.5.4