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-- 'package manager'
local rbase = "https://g.gh0.pw/ccprogs/plain/"
local function perr(err,what)
if err then error(what..": "..err) end
end
local _manifests = {}
local function clear_cache()
for k in pairs(_manifests) do _manifests[k] = nil end
end
local function manifest(pkgname)
if _manifests[pkgname] then return _manifests[pkgname] end
print("fetching manifest of '"..pkgname.."'...")
local files={}
local files_present=false
local deps={}
local res,err,err_res = http.get(rbase..pkgname..".dat")
if err then
if err_res and (err_res.getResponseCode() == 404) then
print("no manifest for '"..pkgname.."' found, using defaults")
else
error("http.get: "..err)
end
else
for line in res.readAll():gmatch"[^\n]+" do
local op,argstart = line:match "^(%w+)%s*()"
if op then
local argstr = line:sub(argstart)
local args = {}
for arg in argstr:gmatch"[^ ]+" do
table.insert(args,arg)
end
if op == "dep" then
for _,arg in ipairs(args) do deps[arg]=true end
elseif op == "file" then
files_present = true
for _,arg in ipairs(args) do files[arg]=true end
end
end
end
end
if not files_present then files[pkgname..".lua"]=true end
local man = {files=files,deps=deps}
_manifests[pkgname] = man
return man
end
local function recursive_depsof(pkgname)
local lookedat = {}
local deps = {}
local function F(pkgname)
if not lookedat[pkgname] then
lookedat[pkgname] = true
for k,_ in pairs(manifest(pkgname).deps) do
deps[k] = true
F(k)
end
end
end
deps[pkgname] = true
F(pkgname)
return deps
end
local function recursive_filesof(pkgname)
local deps = recursive_depsof(pkgname)
local files = {}
for dep in pairs(deps) do
for file in pairs(manifest(dep).files) do files[file] = true end
end
return files
end
local function dlfile(filename)
local file,err=fs.open("/"..filename,"w")
if err then error("fs.open "..err) end
local res,err = http.get("https://g.gh0.pw/ccprogs/plain/"..filename)
if err then error("http.get "..err) end
file.write(res.readAll())
file.flush()
file.close()
end
return {manifest=manifest,rd=recursive_depsof,rf=recursive_filesof}
--dl(arg[1])
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