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- Subject: Re: Introducing luavm - Lua Version Manager
- From: Peter Melnichenko <mpeterval@...>
- Date: Wed, 25 May 2016 16:03:58 +0300
On Mon, May 23, 2016 at 12:02 AM, Dhaval Kapil <email@example.com> wrote:
> Recently, I was working in lua and needed to switch between different
> versions frequently. This caused me various issues, like reinstalling
> versions of lua, reinstalling luarocks to with the new lua versions, etc. I
> even messed up with my installation somehow. To help deal with these
> problems and being inspired by the usefulness of 'nvm'(Node Version Manager)
> and 'rvm'(Ruby Version Manager) I decided to develop 'luavm'.
This looks great! Unfortunately it doesn't set LUA_PATH and LUA_CPATH
and it also doesn't add directory where LuaRocks puts scripts to PATH,
but that can be fixed by running 'eval `luarocks path --bin`' after switching to
a new environment.
hererocks (https://github.com/mpeterv/hererocks) was mentioned here
but it's not really a version manager, more of an installation script that
takes care of environment isolation. Personally I use it to install various
version combination into ~/lua51, ~/lj2, ~/lua53-nocompat, etc, then
add a default
like ~/lua53/bin to PATH in .bashrc and use other environments directly
when I need to, e.g. run ~/lua51/bin/lua or ~/lj2/bin/busted.
Perhaps luavm could use hererocks for build step to avoid having
to run 'eval `luarocks path --bin`' and to exploit some of its options,
like choosing compat flags, building without readline, etc.