package manager wip

sys/extensions/6.packages.lua

@@ -0,0 +1,38 @@
+_G.requireInjector(_ENV)
+
+local Packages = require('packages')
+local Util     = require('util')
+
+local shell = _ENV.shell
+local fs = _G.fs
+
+local appPaths = Util.split(shell.path(), '(.-):')
+local luaPaths = Util.split(_G.LUA_PATH, '(.-):')
+
+local function addPath(t, e)
+	local function hasEntry()
+		for _,v in ipairs(t) do
+			if v == e then
+				return true
+			end
+		end
+	end
+	if not hasEntry() then
+		table.insert(t, 1, e)
+	end
+end
+
+-- dependency graph
+-- https://github.com/mpeterv/depgraph/blob/master/src/depgraph/init.lua
+
+for name, package in pairs(Packages:installed()) do
+	if  package.mount then
+		fs.mount(table.unpack(Util.matches(package.mount)))
+	end
+
+	addPath(appPaths, fs.combine(fs.combine('packages', name), 'apps'))
+	addPath(luaPaths, fs.combine(fs.combine('packages', name), 'apis'))
+end
+
+shell.setPath(table.concat(appPaths, ':'))
+_G.LUA_PATH = table.concat(luaPaths, ':')