$ git clone -n https://gitee.com/src-anolis-os/gcc-toolset-10-gdb.git /var/lib/mock/dist-an8.7-build-269771-64112/root/chroot_tmpdir/scmroot/gcc-toolset-10-gdb
Cloning into '/var/lib/mock/dist-an8.7-build-269771-64112/root/chroot_tmpdir/scmroot/gcc-toolset-10-gdb'...
$ git reset --hard origin/a8
HEAD is now at ce6fddf import gcc-toolset-10-gdb-9.2-4.el8.src.rpm