$ git clone -n https://gitee.com/mgb01105731/libisofs_2.git /var/lib/mock/dist-an23.3-build-419189-72884/root/chroot_tmpdir/scmroot/libisofs_2
Cloning into '/var/lib/mock/dist-an23.3-build-419189-72884/root/chroot_tmpdir/scmroot/libisofs_2'...
$ git fetch origin ac8a74292d02ed1531a999229bee9703e7a1ee61:KOJI_FETCH_HEAD
From https://gitee.com/mgb01105731/libisofs_2
 * [new ref]         ac8a74292d02ed1531a999229bee9703e7a1ee61 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ac8a742 Update to 1.5.6 from 1.5.4