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openComputers_codes/pm_get/bin/pm-get.lua

518 lines
18 KiB
Lua

local shell = require("shell")
local filesystem = require("filesystem")
local io = require("io")
local component = require("component")
local serialization = require("serialization")
local pm = require("pm")
---@type ComponentInternet
local internet
--=============================================================================
local DOWNLOAD_DIR = "/home/.pm-get/" --can't use /tmp as some archive can be bigger than the tmpfs
local CONFIG_DIR = "/etc/pm/" --share the config directory with the rest of the package manager
local SOURCE_FILE = CONFIG_DIR .. "sources.list"
local SOURCE_DIR = SOURCE_FILE .. ".d/"
local REPO_MANIFEST_CACHE = CONFIG_DIR .. "manifests.cache"
local AUTO_INSTALLED = CONFIG_DIR .. "autoInstalled"
--=============================================================================
---@type table<string>,table<progOpts>
local args, opts = shell.parse(...)
local mode = table.remove(args, 1)
--=============================================================================
local reposRuntimeCache
--=============================================================================
---@alias progOpts
---| 'autoremove'
---| 'purge'
---| 'allow-same-version'
--=============================================================================
local f = string.format
local function printf(...)
print(f(...))
end
local function printferr(...)
io.error():write(f("%s\n", f(...)))
end
---Return the sources list
---@param raw? boolean
---@return table
local function getSources(raw)
local sources = {}
local file
if (filesystem.exists(SOURCE_FILE) and not filesystem.isDirectory(SOURCE_FILE)) then
file = assert(io.open(SOURCE_FILE))
for url in file:lines() do
if (not url:sub(1, 1) ~= "#") then
table.insert(sources, url)
end
end
file:close()
end
if (filesystem.isDirectory(SOURCE_DIR)) then
for fileName in filesystem.list(SOURCE_DIR) do
if (fileName:match("%.list$")) then
file = assert(io.open(SOURCE_DIR .. fileName))
for url in file:lines() do
if (not url:sub(1, 1) ~= "#") then
table.insert(sources, 1, url)
end
end
file:close()
end
end
end
if (not raw) then
for i, url in pairs(sources) do
if (url:match("^https://github.com/")) then
sources[i] = url:gsub("https://github.com/", "https://raw.githubusercontent.com/"):gsub("/tree/", "/"):gsub("/blob/", "/")
end
end
end
return sources
end
---@return table<string,table<string,manifest>>
local function getCachedPackageList()
if (not reposRuntimeCache) then
if (not filesystem.exists(REPO_MANIFEST_CACHE)) then
printferr("No data. Run `pm-get upddate` or add repositorys")
return {}
end
local cache = assert(io.open(REPO_MANIFEST_CACHE))
reposRuntimeCache = serialization.unserialize(cache:read("a"))
cache:close()
end
return reposRuntimeCache
end
---Get a packet manifest from the cache
---@param name string
---@param targetRepo? string
---@return manifest? manifest, string? originRepo
local function getCachedPacketManifest(name, targetRepo)
for repoName, repo in pairs(getCachedPackageList()) do
if (not targetRepo or repoName == targetRepo) then
if (repo[name]) then
return repo[name], repoName
end
end
end
return nil, nil
end
---@param package string
---@return table<number,string>? dep ordered list of dependances
---@return string? error
local function buildDepList(package)
local dependances = {}
local manifest = getCachedPacketManifest(package)
if (manifest) then
if (manifest.dependencies) then
for dep, ver in pairs(manifest.dependencies) do
table.insert(dependances, dep)
local extraDeps, reason = buildDepList(dep)
if (extraDeps) then
for _, dep2 in pairs(extraDeps) do
table.insert(dependances, dep2)
end
else
return nil, f("Cannot fuffil dependancie %s for %s", dep, package)
end
end
end
end
--TODO : filter dependances to remove duplicates
return dependances
end
---Download from url and return it
---@param url any
---@return string? data, string? reason
local function wget(url)
local request = internet.request(url)
local ready, reason
repeat
ready, reason = request.finishConnect()
until ready or reason
if (not ready) then
return nil, reason
end
local data = ""
repeat
local read = request.read()
if (read) then data = data .. read end
until not read
request.close()
return data, nil
end
local function isAuto(package)
local auto = false
if (not filesystem.exists(AUTO_INSTALLED)) then return false end
for line in io.lines(AUTO_INSTALLED) do
if (line == package) then
auto = true
end
end
return auto
end
local function markManual(package)
local auto = {}
if (not filesystem.exists(AUTO_INSTALLED)) then return end
for line in io.lines(AUTO_INSTALLED) do
if (line ~= package) then table.insert(auto, line) end
end
local autoFile = assert(io.open(AUTO_INSTALLED, 'w'))
for _, pk in pairs(auto) do
autoFile:write(pk .. "\n")
end
autoFile:close()
end
local function getNotNeededIfUninstalled(package)
local oldDep = {}
local manifest = pm.getManifestFromInstalled(package)
if (manifest.dependencies) then
for dep, ver in pairs(manifest.dependencies) do
if (#(pm.getDependantOf(dep)) == 1 and isAuto(dep)) then
table.insert(oldDep, dep)
local extraDeps = getNotNeededIfUninstalled(dep)
for _, extraDep in pairs(extraDeps) do
if (isAuto(extraDep)) then
table.insert(oldDep, extraDep)
end
end
end
end
end
return oldDep
end
---Return true if version number a is strictly higher than b.
local function compareVersion(a, b)
local aMajor, aMinor, aPatch = a:match("(%d+)%.(%d+)%.(%d+)")
local bMajor, bMinor, bPatch = b:match("(%d+)%.(%d+)%.(%d+)")
if (aMajor > bMajor) then return true elseif (aMajor < bMajor) then return false end
if (aMinor > bMinor) then return true elseif (aMinor < bMinor) then return false end
if (aPatch > bPatch) then return true elseif (aPatch < bPatch) then return false end
return false --equal
end
--=============================================================================
---@param package string
---@param markAuto? boolean
---@param buildDepTree? boolean
local function install(package, markAuto, buildDepTree)
if (buildDepTree == nil) then buildDepTree = true end
local targetManifest, repoName = getCachedPacketManifest(package)
--check that the packet exists
if (not targetManifest) then
printferr("Package %s not found", package)
os.exit(1)
end
if (buildDepTree) then
local dependances, reason = buildDepList(package)
if (not dependances) then
printferr(reason)
os.exit(1)
end
local notInstalledDep = {}
for _, dep in pairs(dependances) do
if (not pm.isInstalled(dep)) then
table.insert(notInstalledDep, 1, dep)
end
end
if (#notInstalledDep > 0) then printf("Will be installed : %s", table.concat(notInstalledDep, ', ')) end
for _, dep in pairs(notInstalledDep) do
printf("Installing non installed dependancie : %s", dep)
install(dep, true, false)
end
end
if (not opts['dry-run']) then
--install the package
filesystem.makeDirectory(DOWNLOAD_DIR)
--download
printf("Downloading : %s", package)
local data, reason = wget(f("%s/%s", repoName, targetManifest.archiveName))
if (not data) then
printferr("Failed to download %s", package)
printferr(reason)
os.exit(1)
end
--write downloaded archive in download dir
io.open(f("%s/%s", DOWNLOAD_DIR, targetManifest.archiveName), "w"):write(data):close()
--build opts for pm
local pmOptions = ""
if (opts["allow-same-version"]) then
pmOptions = "--allow-same-version"
end
--run pm
local _, code = shell.execute(f("pm install %s %s", pmOptions, f("%s/%s", DOWNLOAD_DIR, targetManifest.archiveName)))
--cleanup
filesystem.remove(f("%s/%s", DOWNLOAD_DIR, targetManifest.archiveName))
--mark the pacakge as auto if asked for
if (markAuto) then
io.open(AUTO_INSTALLED, "a"):write(targetManifest.package .. "\n"):close()
end
return code
end
return 0
end
local function update()
local repos = getSources()
local manifests = {}
for _, repoURL in pairs(repos) do
local request = internet.request(repoURL .. "/manifest")
local ready, reason
repeat
ready, reason = request.finishConnect()
until ready or reason
if (not ready) then
printferr("Could not get manifest from %s\ns", repoURL, reason)
request.close()
else
printf("Found repository : %s", repoURL)
local data = ""
repeat
local read = request.read()
if (read) then data = data .. read end
until not read
request.close()
local pcalled
pcalled, data = pcall(serialization.unserialize, data)
if (pcalled == false) then
printferr("Invalid manifest for %s", repoURL)
else
manifests[repoURL] = data
end
end
end
io.open(REPO_MANIFEST_CACHE, "w"):write(serialization.serialize(manifests)):close()
--check if packages need updating
local canBeUpgraded = 0
local remotePackages = getCachedPackageList()
local installedPackages = pm.getInstalled()
for pkgName, pkgManifest in pairs(installedPackages) do
for src, srcManifests in pairs(remotePackages) do
if (srcManifests[pkgName]) then
if (compareVersion(srcManifests[pkgName].version, pkgManifest.version)) then
canBeUpgraded = canBeUpgraded + 1
break --next package
end
end
end
end
printf("%s package(s) can be upgraded", canBeUpgraded)
end
local function printHelp()
print("pm-get [opts] <mode> [args]")
print("mode :")
print("\tinstall <packageFile>")
print("\tuninstall <packageName>")
print("\tautoremove")
print("\tinfo <packageName>|<packageFile>")
print("\tlist")
print("\tsources list|add [new source url]")
print("opts :")
print("\t--autoremove : also remove dependencies non longer required")
print("\t--purge : purge removed packages")
print("\t--allow-same-version : allow the same package version to be installed over the currently installed one")
print("\t--installed : only list installed packages")
end
--=============================================================================
if (component.isAvailable("internet")) then
internet = component.internet
else
printferr("Need a internet card")
end
--Remove uninstalled files from autoInstalled file
if (filesystem.exists(AUTO_INSTALLED)) then
do
local tokeep = {}
for pkg in io.lines(AUTO_INSTALLED) do
if (pm.isInstalled(pkg)) then table.insert(tokeep, pkg) end
end
local file = assert(io.open(AUTO_INSTALLED, 'w'))
for _, pkg in pairs(tokeep) do file:write(f("%s\n", pkg)) end
file:close()
end
end
if (mode == "update") then
print("Updating repository cache")
update()
elseif (mode == "list") then
args[1] = args[1] or ".*"
for repoName, repo in pairs(getCachedPackageList()) do
local sortedTable = {}
for package, _ in pairs(repo) do
table.insert(sortedTable, package)
end
table.sort(sortedTable, function(a, b) return string.lower(a) < string.lower(b) end)
for i, package in pairs(sortedTable) do
local manifest = repo[package]
if (package:match("^" .. args[1])) then
local installed, notpurged = pm.isInstalled(package)
if (not opts['installed'] or installed) then
local lb = ""
if (installed) then
lb = '[installed]'
if (isAuto(package)) then
lb = '[installed, auto]'
end
elseif (notpurged) then
lb = '[config]'
end
printf("%s (%s) %s", package, manifest.version, lb)
end
end
end
end
elseif (mode == "info") then
local manifest, repoName = getCachedPacketManifest(args[1])
if (not manifest) then
printferr("Package %s not found", args[1])
os.exit(1)
end
printf("Name : %s (%s)", manifest.name, manifest.package)
printf("Version : %s", manifest.version)
if (manifest.description) then printf("Description : \n%s", manifest.description) end
if (manifest.note) then printf("Note :\n%s", manifest.note) end
if (manifest.authors) then printf("Authors : %s", manifest.authors) end
if (manifest.dependencies) then
print("Dependencies :")
for name, version in pairs(manifest.dependencies) do
printf("%s (%s)", name, version)
end
end
printf("Repo : %s", repoName)
os.exit(0)
elseif (mode == "install") then
markManual(args[1])
--TODO : check version
install(args[1])
os.exit(0)
elseif (mode == "uninstall") then
if (not pm.isInstalled(args[1])) then
printf("Package not installed : %s", args[1])
os.exit(0)
end
local oldDep = {}
if (opts.autoremove) then
for _, dep in pairs(getNotNeededIfUninstalled(args[1])) do
if (isAuto(dep)) then
table.insert(oldDep, dep)
end
end
if (#oldDep > 0) then printf("The following dependances are no longer required and will be uninstalled : %s", table.concat(oldDep, ', ')) end
end
--TODO : ask for confirmation
--uninstallation
local options = ""
if (opts.purge) then options = options .. " --purge" end
shell.execute(f("pm uninstall %s %s", options, args[1]))
for _, dep in pairs(oldDep) do
shell.execute(f("pm uninstall %s %s", options, dep))
end
markManual(args[1])
elseif (mode == "autoremove") then
local oldDep = {}
if (filesystem.exists(AUTO_INSTALLED)) then
for package in io.lines(AUTO_INSTALLED) do
if (#pm.getDependantOf(package) == 0) then
table.insert(oldDep, package)
end
end
end
--TODO : ask for confirmation
--uninstallation
local options = ""
if (opts.purge) then options = options .. " --purge" end
for _, dep in pairs(oldDep) do
shell.execute(f("pm uninstall %s %s", options, dep))
end
markManual(args[1])
elseif (mode == "upgrade") then
local installed = pm.getInstalled(false)
local toUpgrade = {}
if (args[1]) then
if (pm.isInstalled(args[1])) then
table.insert(toUpgrade, args[1])
local manifest = assert(pm.getManifestFromInstalled(args[1]))
if (manifest.dependencies) then
for dep, ver in pairs(manifest.dependencies) do
local remoteManifest = getCachedPacketManifest(dep) --TODO : add target repo
local localManifest = pm.getManifestFromInstalled(dep)
if (remoteManifest and (remoteManifest.version == "oppm" or compareVersion(remoteManifest.version, localManifest.version) or opts["allow-same-version"])) then
table.insert(toUpgrade, dep)
end
end
end
end
else
for pkg, manifest in pairs(installed) do
if (manifest.version == "oppm") then
printf("Found oppm version for %q.", pkg)
table.insert(toUpgrade, pkg)
else
local remoteManifest = getCachedPacketManifest(pkg)
if (remoteManifest and (remoteManifest.version == "oppm" or compareVersion(remoteManifest.version, manifest.version))) then
table.insert(toUpgrade, pkg)
end
end
end
end
for _, pkg in pairs(toUpgrade) do
install(pkg, false)
end
elseif (mode == "sources") then
if (args[1] == "list") then
local sources = getSources()
for _, s in pairs(sources) do
print(s)
end
elseif (args[1] == "add" and args[2]) then
local sources = getSources(true)
local exists = false
for _, url in pairs(sources) do
if (url == args[2]) then
exists = true
printf("Found %q in the source list. It will not be added again.", args[2])
break
end
end
if (not exists) then
filesystem.makeDirectory(SOURCE_DIR)
assert(io.open(SOURCE_DIR .. "/custom.list", "a")):write(args[2] .. "\n"):close()
printf("Added %q to the source list", args[2])
end
else
print("pm-get sources add|list")
end
else
printHelp()
os.exit(0)
end
os.exit(0)