771 lines
36 KiB
Lua
771 lines
36 KiB
Lua
-- Utility functions for dependencies
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module ("dist.depends", package.seeall)
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local cfg = require "dist.config"
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local mf = require "dist.manifest"
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local sys = require "dist.sys"
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local const = require "dist.constraints"
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local utils = require "dist.utils"
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local package = require "dist.package"
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-- Return all packages with specified names from manifest.
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-- Names can also contain version constraint (e.g. 'copas>=1.2.3', 'saci-1.0' etc.).
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function find_packages(package_names, manifest)
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if type(package_names) == "string" then package_names = {package_names} end
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manifest = manifest or mf.get_manifest()
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assert(type(package_names) == "table", "depends.find_packages: Argument 'package_names' is not a table or string.")
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assert(type(manifest) == "table", "depends.find_packages: Argument 'manifest' is not a table.")
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local packages_found = {}
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-- find matching packages in manifest
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for _, pkg_to_find in pairs(package_names) do
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local pkg_name, pkg_constraint = split_name_constraint(pkg_to_find)
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pkg_name = utils.escape_magic(pkg_name):gsub("%%%*",".*")
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for _, repo_pkg in pairs(manifest) do
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if string.match(repo_pkg.name, "^" .. pkg_name .. "$") and (not pkg_constraint or satisfies_constraint(repo_pkg.version, pkg_constraint)) then
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table.insert(packages_found, repo_pkg)
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end
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end
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end
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return packages_found
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end
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-- Return manifest consisting of packages installed in specified deploy_dir directory
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function get_installed(deploy_dir)
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deploy_dir = deploy_dir or cfg.root_dir
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assert(type(deploy_dir) == "string", "depends.get_installed: Argument 'deploy_dir' is not a string.")
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deploy_dir = sys.abs_path(deploy_dir)
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local distinfos_path = sys.make_path(deploy_dir, cfg.distinfos_dir)
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local manifest = {}
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if not sys.is_dir(distinfos_path) then return {} end
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-- from all directories of packages installed in deploy_dir
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for dir in sys.get_directory(distinfos_path) do
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if dir ~= "." and dir ~= ".." and sys.is_dir(sys.make_path(distinfos_path, dir)) then
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local pkg_dist_dir = sys.make_path(distinfos_path, dir)
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-- load the dist.info file
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for file in sys.get_directory(pkg_dist_dir) do
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local pkg_dist_file = sys.make_path(pkg_dist_dir, file)
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if sys.is_file(pkg_dist_file) then
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table.insert(manifest, mf.load_distinfo(pkg_dist_file))
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end
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end
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end
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end
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return manifest
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end
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-- If 'pkg.selected' == true then returns 'selected' else 'installed'.
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-- Used in error messages.
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local function selected_or_installed(pkg)
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assert(type(pkg) == "table", "depends.selected_or_installed: Argument 'pkg' is not a table.")
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if pkg.selected == true then
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return "selected"
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else
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return "installed"
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end
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end
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-- Return whether the 'package_name' is installed according to the the manifest 'installed_pkgs'
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-- If optional 'version_wanted' constraint is specified, then installed packages must
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-- also satisfy specified version constraint.
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-- If package is installed but doesn't satisfy version constraint, error message
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-- is returned as the second value.
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function is_installed(package_name, installed_pkgs, version_wanted)
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assert(type(package_name) == "string", "depends.is_installed: Argument 'package_name' is not a string.")
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assert(type(installed_pkgs) == "table", "depends.is_installed: Argument 'installed_pkgs' is not a table.")
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assert(type(version_wanted) == "string" or type(version_wanted) == "nil", "depends.is_installed: Argument 'version_wanted' is not a string or nil.")
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local pkg_is_installed, err = false, nil
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for _, installed_pkg in pairs(installed_pkgs) do
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-- check if package_name is in installed
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if package_name == installed_pkg.name then
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-- check if package is installed in satisfying version
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if not version_wanted or satisfies_constraint(installed_pkg.version, version_wanted) then
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pkg_is_installed = true
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break
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else
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err = "Package '" .. package_name .. (version_wanted and " " .. version_wanted or "") .. "' needed, but " .. selected_or_installed(installed_pkg) .. " at version '" .. installed_pkg.version .. "'."
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break
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end
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end
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end
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return pkg_is_installed, err
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end
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-- Check whether the package 'pkg' conflicts with 'installed_pkg' and return
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-- false or error message.
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local function packages_conflicts(pkg, installed_pkg)
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assert(type(pkg) == "table", "depends.packages_conflicts: Argument 'pkg' is not a table.")
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assert(type(installed_pkg) == "table", "depends.packages_conflicts: Argument 'installed_pkg' is not a table.")
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-- check if pkg doesn't provide an already installed_pkg
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if pkg.provides then
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-- for all of pkg's provides
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for _, provided_pkg in pairs(get_provides(pkg)) do
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if provided_pkg.name == installed_pkg.name then
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return "Package '" .. pkg_full_name(pkg.name, pkg.version, pkg.was_scm_version) .. "' provides '" .. pkg_full_name(provided_pkg.name, provided_pkg.version) .. "' but package '" .. pkg_full_name(installed_pkg.name, installed_pkg.version) .. "' is already " .. selected_or_installed(installed_pkg) .. "."
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end
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end
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end
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-- check for conflicts of package to install with installed package
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if pkg.conflicts then
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for _, conflict in pairs (pkg.conflicts) do
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if conflict == installed_pkg.name then
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return "Package '" .. pkg_full_name(pkg.name, pkg.version, pkg.was_scm_version) .. "' conflicts with already " .. selected_or_installed(installed_pkg) .. " package '" .. pkg_full_name(installed_pkg.name, installed_pkg.version) .. "'."
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end
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end
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end
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-- check for conflicts of installed package with package to install
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if installed_pkg.conflicts then
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-- direct conflicts with 'pkg'
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for _, conflict in pairs (installed_pkg.conflicts) do
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if conflict == pkg.name then
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return "Already " .. selected_or_installed(installed_pkg) .. " package '" .. pkg_full_name(installed_pkg.name, installed_pkg.version) .. "' conflicts with package '" .. pkg_full_name(pkg.name, pkg.version, pkg.was_scm_version) .. "'."
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end
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end
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-- conflicts with 'provides' of 'pkg' (packages provided by package to install)
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if pkg.provides then
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for _, conflict in pairs (installed_pkg.conflicts) do
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-- for all of pkg's provides
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for _, provided_pkg in pairs(get_provides(pkg)) do
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if conflict == provided_pkg.name then
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return "Already '" .. selected_or_installed(installed_pkg) .. " package '" .. pkg_full_name(installed_pkg.name, installed_pkg.version) .. "' conflicts with package '" .. pkg_full_name(provided_pkg.name, provided_pkg.version) .. "' provided by '" .. pkg_full_name(pkg.name, pkg.version, pkg.was_scm_version) .. "'."
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end
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end
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end
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end
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end
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-- no conflicts found
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return false
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end
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-- Return table of package dependencies 'depends' with OS specific dependencies extracted.
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--
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-- OS specific dependencies are stored in a subtable with 'arch' as a key.
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-- E.g. this table containing OS specific dependencies:
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-- depends = {
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-- "lua~>5.1",
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-- "luadist-git>=0.1",
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-- Linux = {
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-- "iup>=3.6",
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-- "wxlua>=2.8.10.0",
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-- },
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-- Windows = {
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-- "luagd>=2.0.33r2",
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-- "luacom>=1.4.1",
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-- },
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-- }
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--
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-- ...will be on the 'Linux' architecture (determined by cfg.arch) converted into:
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-- depends = {
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-- "lua~>5.1",
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-- "luadist-git>=0.1",
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-- "iup>=3.6",
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-- "wxlua>=2.8.10.0",
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-- }
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function extract_os_specific_depends(depends)
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assert(type(depends) == "table", "depends.extract_os_specific_depends: Argument 'depends' is not a table.")
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local extracted = {}
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for k, depend in pairs(depends) do
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-- if 'depend' is a table, then it must be a table of OS specific
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-- dependencies, so extract it if it's for this architecture
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if type(depend) == "table" then
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if k == cfg.arch then
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for _, os_specific_depend in pairs(depend) do
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table.insert(extracted, os_specific_depend)
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end
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end
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else
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table.insert(extracted, depend)
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end
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end
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return extracted
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end
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-- Return all packages needed in order to install package 'pkg'
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-- and with specified 'installed' packages in the system using 'manifest'.
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-- 'pkg' can also contain version constraint (e.g. 'copas>=1.2.3', 'saci-1.0' etc.).
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--
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-- This function also downloads packages to get information about their dependencies.
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-- Directory where the package was downloaded is stored in 'download_dir' attribute
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-- of that package in the table of packages returned by this function.
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--
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-- Optional argument 'dependency_manifest' is a table of dependencies examined
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-- from previous installations etc. It can be used to speed-up the dependency
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-- resolving procedure for example.
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--
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-- When optional 'force_no_download' parameter is set to true, then information
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-- about packages won't be downloaded during dependency resolving, assuming that
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-- entries in the provided manifest are already complete.
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--
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-- When optional 'suppress_printing' parameter is set to true, then messages
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-- for the user won't be printed during dependency resolving.
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--
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-- Optional argument 'deploy_dir' is used just as a temporary place to place
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-- the downloaded packages into.
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--
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-- 'dependency_parents' is table of all packages encountered so far when resolving dependencies
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-- and is used to detect and deal with circular dependencies. Leave it 'nil'
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-- and it will do its job just fine :-).
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--
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-- 'tmp_installed' is internal table used in recursion and should be left 'nil' when
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-- calling this function from other context. It is used for passing the changes
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-- in installed packages between the recursive calls of this function.
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--
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-- TODO: refactor this spaghetti code!
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local function get_packages_to_install(pkg, installed, manifest, dependency_manifest, force_no_download, suppress_printing, deploy_dir, dependency_parents, tmp_installed)
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manifest = manifest or mf.get_manifest()
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dependency_manifest = dependency_manifest or {}
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force_no_download = force_no_download or false
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suppress_printing = suppress_printing or false
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deploy_dir = deploy_dir or cfg.root_dir
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dependency_parents = dependency_parents or {}
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-- set helper table 'tmp_installed'
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tmp_installed = tmp_installed or utils.deepcopy(installed)
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assert(type(pkg) == "string", "depends.get_packages_to_install: Argument 'pkg' is not a string.")
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assert(type(installed) == "table", "depends.get_packages_to_install: Argument 'installed' is not a table.")
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assert(type(manifest) == "table", "depends.get_packages_to_install: Argument 'manifest' is not a table.")
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assert(type(dependency_manifest) == "table", "depends.get_packages_to_install: Argument 'dependency_manifest' is not a table.")
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assert(type(force_no_download) == "boolean", "depends.get_packages_to_install: Argument 'force_no_download' is not a boolean.")
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assert(type(suppress_printing) == "boolean", "depends.get_packages_to_install: Argument 'suppress_printing' is not a boolean.")
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assert(type(deploy_dir) == "string", "depends.get_packages_to_install: Argument 'deploy_dir' is not a string.")
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assert(type(dependency_parents) == "table", "depends.get_packages_to_install: Argument 'dependency_parents' is not a table.")
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assert(type(tmp_installed) == "table", "depends.get_packages_to_install: Argument 'tmp_installed' is not a table.")
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deploy_dir = sys.abs_path(deploy_dir)
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--[[ for future debugging:
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print('resolving: '.. pkg)
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print(' installed: ', utils.table_tostring(installed))
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print(' tmp_installed: ', utils.table_tostring(tmp_installed))
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--]]
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-- check if package is already installed
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local pkg_name, pkg_constraint = split_name_constraint(pkg)
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local pkg_is_installed, err = is_installed(pkg_name, tmp_installed, pkg_constraint)
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if pkg_is_installed then return {} end
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if err then return nil, err end
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-- table of packages needed to be installed (will be returned)
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local to_install = {}
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-- find out available versions of 'pkg' and insert them into manifest
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if not force_no_download then
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local versions, err = package.retrieve_versions(pkg, manifest, suppress_printing)
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if not versions then return nil, err end
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for _, version in pairs(versions) do
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table.insert(manifest, version)
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end
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end
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-- find candidates & sort them
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local candidates_to_install = find_packages(pkg, manifest)
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if #candidates_to_install == 0 then
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return nil, "No suitable candidate for '" .. pkg .. "' found."
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end
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candidates_to_install = sort_by_versions(candidates_to_install)
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for _, pkg in pairs(candidates_to_install) do
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--[[ for future debugging:
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print(' candidate: '.. pkg.name..'-'..pkg.version)
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print(' installed: ', utils.table_tostring(installed))
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print(' tmp_installed: ', utils.table_tostring(tmp_installed))
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print(' to_install: ', utils.table_tostring(to_install))
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print(' -is installed: ', is_installed(pkg.name, tmp_installed, pkg_constraint))
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--]]
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-- if there's an error from the previous candidate, print the reason for trying another one
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if not suppress_printing and err then print(" - trying another candidate due to: " .. err) end
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-- clear the state from the previous candidate
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pkg_is_installed, err = false, nil
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-- check whether this package has already been added to 'tmp_installed' by another of its candidates
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pkg_is_installed, err = is_installed(pkg.name, tmp_installed, pkg_constraint)
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if pkg_is_installed then break end
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-- preserve information about the 'scm' version, because pkg.version
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-- will be rewritten by information taken from pkg's dist.info file
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local was_scm_version = (pkg.version == "scm")
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-- Try to obtain cached dependency information from the dependency manifest
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if dependency_manifest[pkg.name .. "-" .. pkg.version] and cfg.dep_cache then
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pkg = dependency_manifest[pkg.name .. "-" .. pkg.version]
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else
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-- download info about the package if not already downloaded and downloading not prohibited
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if not (pkg.download_dir or force_no_download) then
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local path_or_err
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pkg, path_or_err = package.retrieve_pkg_info(pkg, deploy_dir, suppress_printing)
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if not pkg then
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err = "Error when resolving dependencies: " .. path_or_err
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else
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-- set path to downloaded package - used to indicate that the
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-- package was already downloaded, to delete unused but downloaded
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-- packages and also to install choosen packages
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pkg.download_dir = path_or_err
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end
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end
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end
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if pkg and was_scm_version then pkg.was_scm_version = true end
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-- check arch & type
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if not err then
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if not (pkg.arch == "Universal" or pkg.arch == cfg.arch) or
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not (pkg.type == "all" or pkg.type == "source" or pkg.type == cfg.type) then
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err = "Package '" .. pkg_full_name(pkg.name, pkg.version) .. "' doesn't have required arch and type."
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end
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end
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-- checks for conflicts with other installed (or previously selected) packages
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if not err then
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for _, installed_pkg in pairs(tmp_installed) do
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err = packages_conflicts(pkg, installed_pkg)
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if err then break end
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end
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end
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-- if pkg passed all of the above tests
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if not err then
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-- check if pkg's dependencies are satisfied
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if pkg.depends then
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-- insert pkg into the stack of circular dependencies detection
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table.insert(dependency_parents, pkg.name)
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-- extract all OS specific dependencies of pkg
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pkg.depends = extract_os_specific_depends(pkg.depends)
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-- for all dependencies of pkg
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for _, depend in pairs(pkg.depends) do
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local dep_name = split_name_constraint(depend)
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-- detect circular dependencies using 'dependency_parents'
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local is_circular_dependency = false
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for _, parent in pairs(dependency_parents) do
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if dep_name == parent then
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is_circular_dependency = true
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break
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end
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end
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-- if circular dependencies not detected
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if not is_circular_dependency then
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-- recursively call this function on the candidates of this pkg's dependency
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local depends_to_install, dep_err = get_packages_to_install(depend, installed, manifest, dependency_manifest, force_no_download, suppress_printing, deploy_dir, dependency_parents, tmp_installed)
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-- if any suitable dependency packages were found, insert them to the 'to_install' table
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if depends_to_install then
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for _, depend_to_install in pairs(depends_to_install) do
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-- add some meta information
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if not depend_to_install.selected_by then
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depend_to_install.selected_by = pkg.name .. "-" .. pkg.version
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end
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table.insert(to_install, depend_to_install)
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table.insert(tmp_installed, depend_to_install)
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table.insert(installed, depend_to_install)
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end
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else
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err = "Error getting dependency of '" .. pkg_full_name(pkg.name, pkg.version) .. "': " .. dep_err
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break
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end
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-- if circular dependencies detected
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else
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err = "Error getting dependency of '" .. pkg_full_name(pkg.name, pkg.version) .. "': '" .. dep_name .. "' is a circular dependency."
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break
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end
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end
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-- remove last package from the stack of circular dependencies detection
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table.remove(dependency_parents)
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end
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-- if no error occured
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if not err then
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-- add pkg and it's provides to the fake table of installed packages, with
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-- property 'selected' set, indicating that the package isn't
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-- really installed in the system, just selected to be installed (this is used e.g. in error messages)
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pkg.selected = true
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table.insert(tmp_installed, pkg)
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if pkg.provides then
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for _, provided_pkg in pairs(get_provides(pkg)) do
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provided_pkg.selected = true
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table.insert(tmp_installed, provided_pkg)
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end
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end
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-- add pkg to the table of packages to install
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table.insert(to_install, pkg)
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-- if some error occured
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else
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-- delete the downloaded package
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if pkg.download_dir and not cfg.debug then sys.delete(pkg.download_dir) end
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-- set tables of 'packages to install' and 'installed packages' to their original state
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to_install = {}
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tmp_installed = utils.deepcopy(installed)
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-- add provided packages to installed ones
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for _, installed_pkg in pairs(tmp_installed) do
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for _, pkg in pairs(get_provides(installed_pkg)) do
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table.insert(tmp_installed, pkg)
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end
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end
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end
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-- if error occured
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else
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-- delete the downloaded package
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if pkg and pkg.download_dir and not cfg.debug then sys.delete(pkg.download_dir) end
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-- if pkg is already installed, skip checking its other candidates
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if pkg_is_installed then break end
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end
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end
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-- if package is not installed and no suitable candidates were found, return the last error
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if #to_install == 0 and not pkg_is_installed then
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return nil, err
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else
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return to_install
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end
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end
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-- Resolve dependencies and return all packages needed in order to install
|
|
-- 'packages' into the system with already 'installed' packages, using 'manifest'.
|
|
-- Also return the table of the dependencies determined during the process
|
|
-- as the second return value.
|
|
--
|
|
-- Optional argument 'dependency_manifest' is a table of dependencies examined
|
|
-- from previous installations etc. It can be used to speed-up the dependency
|
|
-- resolving procedure for example.
|
|
--
|
|
-- Optional argument 'deploy_dir' is used as a temporary place to place the
|
|
-- downloaded packages into.
|
|
--
|
|
-- When optional 'force_no_download' parameter is set to true, then information
|
|
-- about packages won't be downloaded during dependency resolving, assuming that
|
|
-- entries in manifest are complete.
|
|
--
|
|
-- When optional 'suppress_printing' parameter is set to true, then messages
|
|
-- for the user won't be printed during dependency resolving.
|
|
function get_depends(packages, installed, manifest, dependency_manifest, deploy_dir, force_no_download, suppress_printing)
|
|
if not packages then return {} end
|
|
manifest = manifest or mf.get_manifest()
|
|
dependency_manifest = dependency_manifest or {}
|
|
deploy_dir = deploy_dir or cfg.root_dir
|
|
force_no_download = force_no_download or false
|
|
suppress_printing = suppress_printing or false
|
|
if type(packages) == "string" then packages = {packages} end
|
|
|
|
assert(type(packages) == "table", "depends.get_depends: Argument 'packages' is not a table or string.")
|
|
assert(type(installed) == "table", "depends.get_depends: Argument 'installed' is not a table.")
|
|
assert(type(manifest) == "table", "depends.get_depends: Argument 'manifest' is not a table.")
|
|
assert(type(dependency_manifest) == "table", "depends.get_depends: Argument 'dependency_manifest' is not a table.")
|
|
assert(type(deploy_dir) == "string", "depends.get_depends: Argument 'deploy_dir' is not a string.")
|
|
assert(type(force_no_download) == "boolean", "depends.get_depends: Argument 'force_no_download' is not a boolean.")
|
|
assert(type(suppress_printing) == "boolean", "depends.get_depends: Argument 'suppress_printing' is not a boolean.")
|
|
deploy_dir = sys.abs_path(deploy_dir)
|
|
|
|
local tmp_installed = utils.deepcopy(installed)
|
|
|
|
-- add provided packages to installed ones
|
|
for _, installed_pkg in pairs(tmp_installed) do
|
|
for _, pkg in pairs(get_provides(installed_pkg)) do
|
|
table.insert(tmp_installed, pkg)
|
|
end
|
|
end
|
|
|
|
-- If 'pkg' contains valid (architecture specific) path separator,
|
|
-- it is treated like a path to already downloaded package and
|
|
-- we assume that user wants to use this specific version of the
|
|
-- module to be installed. Hence, we will add information about
|
|
-- this version into the manifest and also remove references to
|
|
-- any other versions of this module from the manifest. This will
|
|
-- enforce the version of the module required by the user.
|
|
for k, pkg in pairs(packages) do
|
|
if pkg:find(sys.path_separator()) then
|
|
local pkg_dir = sys.abs_path(pkg)
|
|
local pkg_info, err = mf.load_distinfo(sys.make_path(pkg_dir, "dist.info"))
|
|
if not pkg_info then return nil, err end
|
|
|
|
-- add information about location of the package, also to prevent downloading it again
|
|
pkg_info.download_dir = pkg_dir
|
|
-- mark package to skip deleting its directory after installation
|
|
pkg_info.preserve_pkg_dir = true
|
|
|
|
-- set default arch/type if not explicitly stated and package is of source type
|
|
if package.is_source_type(pkg_dir) then
|
|
pkg_info = package.ensure_source_arch_and_type(pkg_info)
|
|
elseif not (pkg_info.arch and pkg_info.type) then
|
|
return nil, pkg_dir .. ": binary package missing arch or type in 'dist.info'."
|
|
end
|
|
|
|
-- update manifest
|
|
manifest = utils.filter(manifest, function(p) return p.name ~= pkg_info.name and true end)
|
|
table.insert(manifest, pkg_info)
|
|
|
|
-- update packages to install
|
|
pkg = pkg_info.name .. "-" .. pkg_info.version
|
|
packages[k] = pkg
|
|
end
|
|
end
|
|
|
|
local to_install = {}
|
|
|
|
-- get packages needed to satisfy the dependencies
|
|
for _, pkg in pairs(packages) do
|
|
|
|
local needed_to_install, err = get_packages_to_install(pkg, tmp_installed, manifest, dependency_manifest, force_no_download, suppress_printing, deploy_dir)
|
|
|
|
-- if everything's fine
|
|
if needed_to_install then
|
|
|
|
for _, needed_pkg in pairs(needed_to_install) do
|
|
|
|
-- TODO: why not to use 'installed' instead of 'tmp_installed'?
|
|
-- It's because provides aren't searched for by find()
|
|
-- function inside the update_dependency_manifest().
|
|
dependency_manifest = update_dependency_manifest(needed_pkg, tmp_installed, needed_to_install, dependency_manifest)
|
|
|
|
table.insert(to_install, needed_pkg)
|
|
table.insert(tmp_installed, needed_pkg)
|
|
-- add provides of needed_pkg to installed ones
|
|
for _, provided_pkg in pairs(get_provides(needed_pkg)) do
|
|
-- copy 'selected' property
|
|
provided_pkg.selected = needed_pkg.selected
|
|
table.insert(tmp_installed, provided_pkg)
|
|
end
|
|
end
|
|
-- if error occured
|
|
else
|
|
-- delete already downloaded packages
|
|
for _, pkg in pairs(to_install) do
|
|
if pkg.download_dir and not cfg.debug then sys.delete(pkg.download_dir) end
|
|
end
|
|
return nil, "Cannot resolve dependencies for '" .. pkg .. "': ".. err
|
|
end
|
|
end
|
|
|
|
return to_install, dependency_manifest
|
|
end
|
|
|
|
-- Return table of packages provided by specified package (from it's 'provides' field)
|
|
function get_provides(package)
|
|
assert(type(package) == "table", "depends.get_provides: Argument 'package' is not a table.")
|
|
if not package.provides then return {} end
|
|
|
|
local provided = {}
|
|
for _, provided_name in pairs(package.provides) do
|
|
local pkg = {}
|
|
pkg.name, pkg.version = split_name_constraint(provided_name)
|
|
pkg.type = package.type
|
|
pkg.arch = package.arch
|
|
pkg.provided = package.name .. "-" .. package.version
|
|
table.insert(provided, pkg)
|
|
end
|
|
return provided
|
|
end
|
|
|
|
-- Return package name and version constraint from full package version constraint specification
|
|
-- E. g.:
|
|
-- for 'luaexpat-1.2.3' return: 'luaexpat' , '1.2.3'
|
|
-- for 'luajit >= 1.2' return: 'luajit' , '>=1.2'
|
|
function split_name_constraint(version_constraint)
|
|
assert(type(version_constraint) == "string", "depends.split_name_constraint: Argument 'version_constraint' is not a string.")
|
|
|
|
local split = version_constraint:find("[%s=~<>-]+%d") or version_constraint:find("[%s=~<>-]+scm")
|
|
|
|
if split then
|
|
return version_constraint:sub(1, split - 1), version_constraint:sub(split):gsub("[%s-]", "")
|
|
else
|
|
return version_constraint, nil
|
|
end
|
|
end
|
|
|
|
-- Return only packages that can be installed on the specified architecture and type
|
|
function filter_packages_by_arch_and_type(packages, req_arch, req_type)
|
|
assert(type(packages) == "table", "depends.filter_packages_by_arch_and_type: Argument 'packages' is not a table.")
|
|
assert(type(req_arch) == "string", "depends.filter_packages_by_arch_and_type: Argument 'req_arch' is not a string.")
|
|
assert(type(req_type) == "string", "depends.filter_packages_by_arch_and_type: Argument 'pkg_type' is not a string.")
|
|
|
|
return utils.filter(packages,
|
|
function (pkg)
|
|
return (pkg.arch == "Universal" or pkg.arch == req_arch) and
|
|
(pkg.type == "all" or pkg.type == "source" or pkg.type == req_type)
|
|
end)
|
|
end
|
|
|
|
-- Return only packages that contain one of the specified strings in their 'name-version'.
|
|
-- Case is ignored. If no strings are specified, return all the packages.
|
|
-- Argument 'search_in_desc' specifies if search also in description of packages.
|
|
function filter_packages_by_strings(packages, strings, search_in_desc)
|
|
if type(strings) == "string" then strings = {strings} end
|
|
assert(type(packages) == "table", "depends.filter_packages_by_strings: Argument 'packages' is not a table.")
|
|
assert(type(strings) == "table", "depends.filter_packages_by_strings: Argument 'strings' is not a string or table.")
|
|
|
|
if #strings ~= 0 then
|
|
return utils.filter(packages,
|
|
function (pkg)
|
|
for _,str in pairs(strings) do
|
|
local name = pkg.name .. "-" .. pkg.version
|
|
if search_in_desc then
|
|
name = name .. " " .. (pkg.desc or "")
|
|
end
|
|
if string.find(string.lower(name), string.lower(str), 1 ,true) ~= nil then return true end
|
|
end
|
|
end)
|
|
else
|
|
return packages
|
|
end
|
|
end
|
|
|
|
|
|
-- Return full package name and version string (e.g. 'luajit-2.0'). When version
|
|
-- is nil or '' then return only name (e.g. 'luajit') and when name is nil or ''
|
|
-- then return '<unknown>'. Optional 'was_scm_version' argument is a boolean,
|
|
-- stating whether the package was originally selected for installation as a 'scm' version.
|
|
function pkg_full_name(name, version, was_scm_version)
|
|
name = name or ""
|
|
version = version or ""
|
|
was_scm_version = was_scm_version or false
|
|
if type(version) == "number" then version = tostring(version) end
|
|
|
|
assert(type(name) == "string", "depends.pkg_full_name: Argument 'name' is not a string.")
|
|
assert(type(version) == "string", "depends.pkg_full_name: Argument 'version' is not a string.")
|
|
|
|
if was_scm_version then version = version .. " [scm version]" end
|
|
|
|
if name == "" then
|
|
return "<unknown>"
|
|
else
|
|
return name .. ((version ~= "") and "-" .. version or "")
|
|
end
|
|
end
|
|
|
|
-- Return table of packages, sorted descendingly by versions (newer ones are moved to the top).
|
|
function sort_by_versions(packages)
|
|
assert(type(packages) == "table", "depends.sort_by_versions: Argument 'packages' is not a table.")
|
|
return utils.sort(packages, function (a, b) return compare_versions(a.version, b.version) end)
|
|
end
|
|
|
|
-- Return table of packages, sorted alphabetically by name and then descendingly by version.
|
|
function sort_by_names(packages)
|
|
assert(type(packages) == "table", "depends.sort_by_names: Argument 'packages' is not a table.")
|
|
return utils.sort(packages, function (a, b)
|
|
if a.name == b.name then
|
|
return compare_versions(a.version, b.version)
|
|
else
|
|
return a.name < b.name
|
|
end
|
|
end)
|
|
end
|
|
|
|
-- Return if version satisfies the specified constraint
|
|
function satisfies_constraint(version, constraint)
|
|
assert(type(version) == "string", "depends.satisfies_constraint: Argument 'version' is not a string.")
|
|
assert(type(constraint) == "string", "depends.satisfies_constraint: Argument 'constraint' is not a string.")
|
|
return const.constraint_satisfied(version, constraint)
|
|
end
|
|
|
|
-- For package versions, return whether: 'version_a' > 'version_b'
|
|
function compare_versions(version_a, version_b)
|
|
assert(type(version_a) == "string", "depends.compare_versions: Argument 'version_a' is not a string.")
|
|
assert(type(version_b) == "string", "depends.compare_versions: Argument 'version_b' is not a string.")
|
|
return const.compareVersions(version_a, version_b)
|
|
end
|
|
|
|
-- Returns 'dep_manifest' updated with information about the 'pkg'.
|
|
-- 'installed' is table with installed packages
|
|
-- 'to_install' is table with packages that are selected for installation
|
|
-- Packages satisfying the dependencies will be searched for in these two tables.
|
|
function update_dependency_manifest(pkg, installed, to_install, dep_manifest)
|
|
dep_manifest = dep_manifest or {}
|
|
assert(type(pkg) == "table", "depends.update_dependency_manifest: Argument 'pkg' is not a table.")
|
|
assert(type(installed) == "table", "depends.update_dependency_manifest: Argument 'installed' is not a table.")
|
|
assert(type(to_install) == "table", "depends.update_dependency_manifest: Argument 'to_install' is not a table.")
|
|
assert(type(dep_manifest) == "table", "depends.update_dependency_manifest: Argument 'dep_manifest' is not a table.")
|
|
|
|
local name_ver = pkg.name .. "-" .. (pkg.was_scm_version and "scm" or pkg.version)
|
|
|
|
-- add to manifest
|
|
if not dep_manifest[name_ver] then
|
|
dep_manifest[name_ver] = {}
|
|
dep_manifest[name_ver].name = pkg.name
|
|
dep_manifest[name_ver].version = pkg.version
|
|
dep_manifest[name_ver].was_scm_version = pkg.was_scm_version
|
|
dep_manifest[name_ver].arch = pkg.arch
|
|
dep_manifest[name_ver].type = pkg.type
|
|
dep_manifest[name_ver].path = pkg.path
|
|
dep_manifest[name_ver].depends = pkg.depends
|
|
dep_manifest[name_ver].conflicts = pkg.conflicts
|
|
dep_manifest[name_ver].provides = pkg.provides
|
|
dep_manifest[name_ver].license = pkg.license
|
|
dep_manifest[name_ver].desc = pkg.desc
|
|
dep_manifest[name_ver].url = pkg.url
|
|
dep_manifest[name_ver].author = pkg.author
|
|
dep_manifest[name_ver].maintainer = pkg.maintainer
|
|
|
|
-- add information which dependency is satisfied by which package
|
|
if pkg.depends then
|
|
|
|
-- TODO: Won't it be better to add OS-specific 'satisfied_by' metadata in a format like OS-specific 'depends' ?
|
|
local all_deps = extract_os_specific_depends(pkg.depends)
|
|
|
|
dep_manifest[name_ver].satisfied_by = {}
|
|
for _, depend in pairs(all_deps) do
|
|
|
|
-- find package satisfying the dependency
|
|
local satisfying = find_packages(depend, installed)[1] or find_packages(depend, to_install)[1]
|
|
satisfying = satisfying.name .. "-" .. satisfying.version
|
|
dep_manifest[name_ver].satisfied_by[depend] = satisfying
|
|
|
|
-- check whether the satisfying package isn't provided by other one
|
|
local provided_by = utils.filter(installed, function(pkg)
|
|
return pkg.provides and utils.contains(pkg.provides, satisfying)
|
|
end)
|
|
if #provided_by == 0 then
|
|
provided_by = utils.filter(to_install, function(pkg)
|
|
return pkg.provides and utils.contains(pkg.provides, satisfying)
|
|
end)
|
|
end
|
|
|
|
if #provided_by ~= 0 then
|
|
if not dep_manifest[name_ver].satisfying_provided_by then
|
|
dep_manifest[name_ver].satisfying_provided_by = {}
|
|
end
|
|
dep_manifest[name_ver].satisfying_provided_by[satisfying] = provided_by[1].name .. "-" .. provided_by[1].version
|
|
end
|
|
end
|
|
|
|
end
|
|
end
|
|
|
|
return dep_manifest
|
|
end
|