local _tl_compat; if (tonumber((_VERSION or ''):match('[%d.]*$')) or 0) < 5.3 then local p, m = pcall(require, 'compat53.module'); if p then _tl_compat = m end end; local string = _tl_compat and _tl_compat.string or string

local install = {}



local dir = require("luarocks.dir")
local path = require("luarocks.path")
local repos = require("luarocks.repos")
local fetch = require("luarocks.fetch")
local util = require("luarocks.util")
local fs = require("luarocks.fs")
local deps = require("luarocks.deps")
local repo_writer = require("luarocks.repo_writer")
local remove = require("luarocks.remove")
local search = require("luarocks.search")
local queries = require("luarocks.queries")
local cfg = require("luarocks.core.cfg")







function install.add_to_parser(parser)
   local cmd = parser:command("install", "Install a rock.", util.see_also())

   cmd:argument("rock", "The name of a rock to be fetched from a repository " ..
   "or a filename of a locally available rock."):
   action(util.namespaced_name_action)
   cmd:argument("version", "Version of the rock."):
   args("?")

   cmd:flag("--keep", "Do not remove previously installed versions of the " ..
   "rock after building a new one. This behavior can be made permanent by " ..
   "setting keep_other_versions=true in the configuration file.")
   cmd:flag("--force", "If --keep is not specified, force removal of " ..
   "previously installed versions if it would break dependencies. " ..
   "If rock is already installed, reinstall it anyway.")
   cmd:flag("--force-fast", "Like --force, but performs a forced removal " ..
   "without reporting dependency issues.")
   cmd:flag("--only-deps --deps-only", "Install only the dependencies of the rock.")
   cmd:flag("--no-doc", "Install the rock without its documentation.")
   cmd:flag("--verify", "Verify signature of the rockspec or src.rock being " ..
   "built. If the rockspec or src.rock is being downloaded, LuaRocks will " ..
   "attempt to download the signature as well. Otherwise, the signature " ..
   "file should be already available locally in the same directory.\n" ..
   "You need the signer’s public key in your local keyring for this " ..
   "option to work properly.")
   cmd:flag("--check-lua-versions", "If the rock can't be found, check repository " ..
   "and report if it is available for another Lua version.")
   util.deps_mode_option(cmd)
   cmd:flag("--no-manifest", "Skip creating/updating the manifest")
   cmd:flag("--pin", "If the installed rock is a Lua module, create a " ..
   "luarocks.lock file listing the exact versions of each dependency found for " ..
   "this rock (recursively), and store it in the rock's directory. " ..
   "Ignores any existing luarocks.lock file in the rock's sources.")

   parser:flag("--pack-binary-rock"):hidden(true)
   parser:option("--branch"):hidden(true)
   parser:flag("--sign"):hidden(true)
end







function install.install_binary_rock(rock_file, opts)

   local namespace = opts.namespace
   local deps_mode = opts.deps_mode

   local name, version, arch = path.parse_name(rock_file)
   if not name then
      return nil, "Filename " .. rock_file .. " does not match format 'name-version-revision.arch.rock'."
   end

   if arch ~= "all" and arch ~= cfg.arch then
      return nil, "Incompatible architecture " .. arch, "arch"
   end
   if repos.is_installed(name, version) then
      if not (opts.force or opts.force_fast) then
         util.printout(name .. " " .. version .. " is already installed in " .. path.root_dir(cfg.root_dir))
         util.printout("Use --force to reinstall.")
         return name, version
      end
      repo_writer.delete_version(name, version, opts.deps_mode)
   end

   local install_dir = path.install_dir(name, version)

   local rollback = util.schedule_function(function()
      fs.delete(install_dir)
      fs.remove_dir_if_empty(path.versions_dir(name))
   end)

   local ok, err, errcode

   local filename
   filename, err, errcode = fetch.fetch_and_unpack_rock(rock_file, install_dir, opts.verify)
   if not filename then return nil, err, errcode end

   local rockspec
   rockspec, err, errcode = fetch.load_rockspec(path.rockspec_file(name, version))
   if err then
      return nil, "Failed loading rockspec for installed package: " .. err, errcode
   end

   if opts.deps_mode ~= "none" then
      ok, err, errcode = deps.check_external_deps(rockspec, "install")
      if not ok then return nil, err, errcode end
   end

   if deps_mode ~= "none" then
      local deplock_dir = fs.exists(dir.path(".", "luarocks.lock")) and
      "." or
      install_dir
      ok, err, errcode = deps.fulfill_dependencies(rockspec, "dependencies", deps_mode, opts.verify, deplock_dir)
      if not ok then return nil, err, errcode end
   end

   ok, err = repo_writer.deploy_files(name, version, repos.should_wrap_bin_scripts(rockspec), deps_mode, namespace)
   if not ok then return nil, err end

   util.remove_scheduled_function(rollback)
   rollback = util.schedule_function(function()
      repo_writer.delete_version(name, version, deps_mode)
   end)

   ok, err = repos.run_hook(rockspec, "post_install")
   if not ok then return nil, err end

   util.announce_install(rockspec)
   util.remove_scheduled_function(rollback)
   return name, version
end







function install.install_binary_rock_deps(rock_file, opts)

   local name, version, arch = path.parse_name(rock_file)
   if not name then
      return nil, "Filename " .. rock_file .. " does not match format 'name-version-revision.arch.rock'."
   end

   if arch ~= "all" and arch ~= cfg.arch then
      return nil, "Incompatible architecture " .. arch, "arch"
   end

   local install_dir = path.install_dir(name, version)

   local oks, err, errcode = fetch.fetch_and_unpack_rock(rock_file, install_dir, opts.verify)
   if not oks then return nil, err, errcode end

   local rockspec
   rockspec, err = fetch.load_rockspec(path.rockspec_file(name, version))
   if err then
      return nil, "Failed loading rockspec for installed package: " .. err, errcode
   end

   local deplock_dir = fs.exists(dir.path(".", "luarocks.lock")) and
   "." or
   install_dir

   local ok
   ok, err, errcode = deps.fulfill_dependencies(rockspec, "dependencies", opts.deps_mode, opts.verify, deplock_dir)
   if not ok then return nil, err, errcode end

   util.printout()
   util.printout("Successfully installed dependencies for " .. name .. " " .. version)

   return name, version
end

local function install_rock_file_deps(filename, opts)

   local name, version = install.install_binary_rock_deps(filename, opts)
   if not name then return nil, version end

   deps.check_dependencies(nil, opts.deps_mode)
   return true
end

local function install_rock_file(filename, opts)

   local name, version = install.install_binary_rock(filename, opts)
   if not name then return nil, version end

   if opts.no_doc then
      util.remove_doc_dir(name, version)
   end

   if (not opts.keep) and not cfg.keep_other_versions then
      local ok, err, warn = remove.remove_other_versions(name, version, opts.force, opts.force_fast)
      if not ok then
         return nil, err
      elseif warn then
         util.printerr(err)
      end
   end

   deps.check_dependencies(nil, opts.deps_mode)
   return true
end









function install.command(args)
   if args.rock:match("%.rockspec$") or args.rock:match("%.src%.rock$") then
      local build = require("luarocks.cmd.build")
      return build.command(args)
   elseif args.rock:match("%.rock$") then
      local deps_mode = deps.get_deps_mode(args)
      local opts = {
         namespace = args.namespace,
         keep = not not args.keep,
         force = not not args.force,
         force_fast = not not args.force_fast,
         no_doc = not not args.no_doc,
         deps_mode = deps_mode,
         verify = not not args.verify,
      }
      if args.only_deps then
         return install_rock_file_deps(args.rock, opts)
      else
         return install_rock_file(args.rock, opts)
      end
   else
      local url, err = search.find_rock_checking_lua_versions(
      queries.new(args.rock, args.namespace, args.version),
      args.check_lua_versions)
      if not url then
         return nil, err
      end
      util.printout("Installing " .. url)
      args.rock = url
      return install.command(args)
   end
end

install.needs_lock = function(args)
   if args.pack_binary_rock then
      return false
   end
   return true
end

deps.installer = install.command

return install