$ git clone -n git+ssh://git@codeup.openanolis.cn/codeup/anolis-os/gdb.git /var/lib/mock/dist-an7-build-27710-15193/root/chroot_tmpdir/scmroot/gdb
Cloning into '/var/lib/mock/dist-an7-build-27710-15193/root/chroot_tmpdir/scmroot/gdb'...
$ git reset --hard origin/a7
HEAD is now at 4016c18 import gdb-7.6.1-115.el7.src.rpm