Hmm — there is a project that allows you to compile a single binary that is cross platform across Linux, Mac and Windows. Wondering if ripgrep can be compiled in such a way and that would make it very close to the portability you have with ack.
That still might run afoul of locked down networks like I've seen at banks. Users couldn't install any binaries at all, but with something like ack it's just cut & paste some text into a text file. ack can literally be a select-all, Ctrl-C, switch windows, "cat > ack", Ctrl-V.
