From 915cebae961534f07c3c70bc5ab7b3ec5b790aba Mon Sep 17 00:00:00 2001 From: Kim Alvefur Date: Wed, 7 Oct 2020 15:51:37 +0200 Subject: core.modulemanager: Locate resources of LuaRocks-installed modules Extra non-code files included with a `copy_directories` directive in a LuaRocks manifest will be copied into a per-module and per-version directory under /lib/luarocks/ and all this is there to dig that out so it can be used in e.g. moduleapi :load_resource(). --- core/modulemanager.lua | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) diff --git a/core/modulemanager.lua b/core/modulemanager.lua index e23f1e55..ea5a1324 100644 --- a/core/modulemanager.lua +++ b/core/modulemanager.lua @@ -10,6 +10,7 @@ local logger = require "util.logger"; local log = logger.init("modulemanager"); local config = require "core.configmanager"; local pluginloader = require "util.pluginloader"; +local envload = require "util.envload"; local set = require "util.set"; local new_multitable = require "util.multitable".new; @@ -22,6 +23,7 @@ local xpcall = require "util.xpcall".xpcall; local debug_traceback = debug.traceback; local setmetatable, rawget = setmetatable, rawget; local ipairs, pairs, type, t_insert = ipairs, pairs, type, table.insert; +local lua_version = _VERSION:match("5%.%d$"); local autoload_modules = { prosody.platform, @@ -196,6 +198,35 @@ local function do_load_module(host, module_name, state) api_instance.path = err; + local custom_plugins = prosody.paths.installer; + if err:sub(1, #custom_plugins+1) == custom_plugins.."/" then + -- Stage 1: Make it work (you are here) + -- Stage 2: Make it less hacky (TODO) + local manifest = {}; + local luarocks_path = custom_plugins.."/lib/luarocks/rocks-"..lua_version; + local manifest_filename = luarocks_path.."/manifest"; + local load_manifest, err = envload.envloadfile(manifest_filename, manifest); + if not load_manifest then + log("error", "Could not load manifest of installed plugins: %s", err, load_manifest); + else + local ok, err = xpcall(load_manifest, debug_traceback); + if not ok then + log("error", "Could not load manifest of installed plugins: %s", err); + elseif type(manifest.modules) ~= "table" then + log("debug", "Expected 'table' but manifest.modules = %q", manifest.modules); + log("error", "Can't look up resource path for mod_%s because '%s' does not appear to be a LuaRocks manifest", module_name, manifest_filename); + else + local versions = manifest.modules["mod_"..module_name]; + if type(versions) == "table" and versions[1] then + -- Not going to deal with multiple installed versions + api_instance.resource_path = luarocks_path.."/"..versions[1]; + else + log("debug", "mod_%s does not appear in the installation manifest", module_name); + end + end + end + end + modulemap[host][module_name] = pluginenv; local ok, err = xpcall(mod, debug_traceback); if ok then -- cgit v1.2.3