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opus/sys/extensions/6.packages.lua
kepler155c@gmail.com 99b2fa1b0b package manager
2018-11-04 13:00:37 -05:00

46 lines
1.1 KiB
Lua

_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 in pairs(Packages:installed()) do
local packageDir = fs.combine('packages', name)
if fs.exists(fs.combine(packageDir, '.install')) then
local install = Util.readTable(fs.combine(packageDir, '.install'))
if install and install.mount then
fs.mount(table.unpack(Util.matches(install.mount)))
end
end
addPath(appPaths, packageDir)
local apiPath = fs.combine(fs.combine('packages', name), 'apis')
if fs.exists(apiPath) then
addPath(luaPaths, apiPath)
end
end
shell.setPath(table.concat(appPaths, ':'))
_G.LUA_PATH = table.concat(luaPaths, ':')