$ git clone -n git+ssh://git@codeup.openanolis.cn/codeup/anolis-os/gcc-toolset-10-ltrace.git /var/lib/mock/dist-an8-gcc-toolset-10-build-21210-9749/root/chroot_tmpdir/scmroot/gcc-toolset-10-ltrace
Cloning into '/var/lib/mock/dist-an8-gcc-toolset-10-build-21210-9749/root/chroot_tmpdir/scmroot/gcc-toolset-10-ltrace'...
$ git reset --hard origin/a8
HEAD is now at 0915edb import gcc-toolset-10-ltrace-0.7.91-1.el8.src.rpm