$ git clone -n https://gitee.com/mgb01105731/shim.git /var/lib/mock/dist-an23-build-350715-70503/root/chroot_tmpdir/scmroot/shim
Cloning into '/var/lib/mock/dist-an23-build-350715-70503/root/chroot_tmpdir/scmroot/shim'...
$ git fetch origin 61ed6d44b3bd0e7ff6e6d5fe7eda6fe22ea45cf6:KOJI_FETCH_HEAD
From https://gitee.com/mgb01105731/shim
 * [new ref]         61ed6d44b3bd0e7ff6e6d5fe7eda6fe22ea45cf6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 61ed6d4 update to 15.8