$ git clone -n https://gitee.com/DustMerlin/shim /var/lib/mock/dist-an8.6-build-90530-45298/root/chroot_tmpdir/scmroot/shim
Cloning into '/var/lib/mock/dist-an8.6-build-90530-45298/root/chroot_tmpdir/scmroot/shim'...
$ git reset --hard origin/a8
HEAD is now at 1f56f9b build: modify BuildRequireis shim version 15.5-1 to 15.4-4