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make pkgman remove system packages

master
Izaya 2 years ago
parent
commit
21f40b3f3c
  1. 56
      lib/pkgman.lua

56
lib/pkgman.lua

@ -1,10 +1,13 @@
local serial = require "serialization"
local dl = require "download"
local mtar = require "libmtar"
local pkg = {}
pkg.cfgPath = "/boot/cfg/pkg"
pkg.sourcePath = pkg.cfgPath .. "/sources.cfg"
pkg.installedPath = pkg.cfgPath .. "/installed.cfg"
require("pkgfs")
local w, lz16 = pcall(require,"liblz16")
if not w then lz16 = nil end
require "pkgfs"
local function getSources()
local f = io.open(pkg.sourcePath,"rb")
@ -54,6 +57,31 @@ end
local function deactivatePackage(path)
require("pkgfs").remove(path)
end
local function fnormalize(s)
return table.concat(fs.segments(s),"/")
end
local function installSystemPackage(path,comp)
local f
if comp and lz16 then
f = lz16.open(path,"rb")
else
f = io.open(path,"rb")
end
for fname, read, size in mtar.iter(f) do
local opath = "/boot/"..fnormalize(fname)
print(opath..": "..tostring(size))
fs.makeDirectory(opath:match("(.+)/[^/]+"))
local of = io.open(opath,"wb")
if not of then error("unable to open "..opath.." for writing") end
local tmp
repeat
tmp = read(2048) or ""
of:write(tmp)
until not tmp or tmp:len() < 1
of:close()
end
return true
end
function pkg.addRepo(name,path,cache) -- string string boolean -- boolean -- Adds a repository, referred to as *name*, to the list of package sources, with the remote path *path*. If *cache* is set, keep a local copy of the repository index.
local sources = getSources()
@ -76,7 +104,7 @@ function pkg.update() -- Re-download cached repository indexes.
end
end
function pkg.list(filter) -- string -- -- Print a list of available packages matching *filter*.
function pkg.list(filter,installed) -- string boolean -- -- Print a list of available packages matching *filter*, optionally filtering to only installed packages if *installed* is set.
filter = filter or ""
local pkglist = {}
for repo,_ in pairs(getSources()) do
@ -88,7 +116,8 @@ function pkg.list(filter) -- string -- -- Print a list of available packages mat
end
end
for k,v in pairs(pkglist) do
print(string.format("%s/%s\n %s",v.repo,k,v.description))
if v.system then io.write("\27[31m") end
print(string.format("%s/%s: %s\27[0m\n %s\n Authors: %s",v.repo,k,v.name,v.description,v.authors))
end
end
@ -104,25 +133,30 @@ function pkg.getMeta(pkgname) -- string -- table -- Returns the metadata for a t
end
end
function pkg.get(pkgname,auto) -- string boolean -- boolean -- Downloads and mounts a package, identified as *pkgname*, onto the pkgfs.
function pkg.get(pkgname,auto) -- string boolean -- boolean -- Downloads and mounts a package, identified as *pkgname,* onto the pkgfs. Setting *auto* will flag the package as automatically installed; this is used for dependencies.
local pkginfo = pkg.getMeta(pkgname)
if not pkginfo then error("unable to locate package "..pkgname) end
pkginfo.manual = not auto
fs.makeDirectory("/boot/pkg")
for k,v in ipairs(pkginfo.dependencies or {}) do
if not getInstalled()[v] then
pkg.get(v)
pkg.get(v,true)
end
end
dl(pkginfo.repository.path.."/"..pkginfo.filename,"/boot/pkg/"..pkginfo.filename)
local installed = getInstalled()
installed[pkgname] = pkginfo
saveInstalled(installed)
if pkginfo.system then
local rv = installSystemPackage("/boot/pkg/"..pkginfo.filename,pkginfo.compressed)
fs.remove("/boot/pkg/"..pkginfo.filename)
return rv
end
pcall(activatePackage,"/boot/pkg/"..pkginfo.filename,pkginfo.compressed)
return true
end
function pkg.upgrade(force) -- boolean -- boolean -- Upgrades all packages on the system to the current version stored in the relevant repository. If *force* is set, re-download all packages.
function pkg.upgrade(force) -- boolean -- -- Upgrades all packages on the system to the current version stored in the relevant repository. If *force* is set, re-download all packages.
pkg.update()
fs.makeDirectory("/boot/pkg")
local installed = getInstalled()
@ -130,13 +164,10 @@ function pkg.upgrade(force) -- boolean -- boolean -- Upgrades all packages on th
for pkgname,pkginfo in pairs(getRepoMeta(repo)) do
if installed[pkgname] and pkginfo.version ~= installed[pkgname].version or force then
pkg.remove(pkgname)
dl(info.path.."/"..pkginfo.filename,"/boot/pkg/"..pkginfo.filename)
installed[pkgname] = pkg
pcall(activatePackage,"/boot/pkg/"..pkginfo.filename,pkginfo.compressed)
pkg.get(pkgname,pkginfo.auto)
end
end
end
saveInstalled(installed)
end
function pkg.remove(pkgname) -- string -- boolean -- Remove the package *pkgname* from the pkgfs and package directory.
@ -145,6 +176,11 @@ function pkg.remove(pkgname) -- string -- boolean -- Remove the package *pkgname
if not pkginfo then return true end
pcall(deactivatePackage,"/boot/pkg/"..pkginfo.filename)
fs.remove("/boot/pkg/"..pkginfo.filename)
if pkginfo.system then
for k,v in pairs(pkginfo.files) do
fs.remove(v)
end
end
installed[pkgname] = nil
saveInstalled(installed)
return true

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