$ git clone -n https://gitee.com/src-anolis-os/gcc-toolset-10.git /var/lib/mock/dist-an8.8-build-387807-71114/root/chroot_tmpdir/scmroot/gcc-toolset-10
Cloning into '/var/lib/mock/dist-an8.8-build-387807-71114/root/chroot_tmpdir/scmroot/gcc-toolset-10'...
$ git fetch origin a8.8:KOJI_FETCH_HEAD
From https://gitee.com/src-anolis-os/gcc-toolset-10
 * [new branch]      a8.8       -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8e628e5 import gcc-toolset-10-10.1-0.el8.src.rpm