/
cfg.lua
870 lines (764 loc) · 28.8 KB
/
cfg.lua
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--- Configuration for LuaRocks.
-- Tries to load the user's configuration file and
-- defines defaults for unset values. See the
-- <a href="http://luarocks.org/en/Config_file_format">config
-- file format documentation</a> for details.
--
-- End-users shouldn't edit this file. They can override any defaults
-- set in this file using their system-wide or user-specific configuration
-- files. Run `luarocks` with no arguments to see the locations of
-- these files in your platform.
local table, pairs, require, os, pcall, ipairs, package, type, assert =
table, pairs, require, os, pcall, ipairs, package, type, assert
local util = require("luarocks.core.util")
local persist = require("luarocks.core.persist")
local sysdetect = require("luarocks.core.sysdetect")
local vers = require("luarocks.core.vers")
--------------------------------------------------------------------------------
local program_version = "3.7.0"
local program_series = "3.7"
local major_version = (program_version:match("([^.]%.[^.])")) or program_series
local is_windows = package.config:sub(1,1) == "\\"
-- Set order for platform overrides.
-- More general platform identifiers should be listed first,
-- more specific ones later.
local platform_order = {
-- Unixes
"unix",
"bsd",
"solaris",
"netbsd",
"openbsd",
"freebsd",
"linux",
"macosx",
"cygwin",
"msys",
"haiku",
-- Windows
"windows",
"win32",
"mingw32",
"msys2_mingw_w64",
}
local function detect_sysconfdir()
local src = debug.getinfo(1, "S").source:gsub("\\", "/"):gsub("/+", "/")
if src:sub(1, 1) == "@" then
src = src:sub(2)
end
local basedir = src:match("^(.*)/luarocks/core/cfg.lua$")
if not basedir then
return
end
-- If installed in a Unix-like tree, use a Unix-like sysconfdir
local installdir = basedir:match("^(.*)/share/lua/[^/]*$")
if installdir then
if installdir == "/usr" then
return "/etc/luarocks"
end
return installdir .. "/etc/luarocks"
end
-- Otherwise, use base directory of sources
return basedir
end
local load_config_file
do
-- Create global environment for the config files;
local function env_for_config_file(cfg, platforms)
local e
e = {
home = cfg.home,
lua_version = cfg.lua_version,
platforms = util.make_shallow_copy(platforms),
processor = cfg.target_cpu, -- remains for compat reasons
target_cpu = cfg.target_cpu, -- replaces `processor`
os_getenv = os.getenv,
variables = cfg.variables or {},
dump_env = function()
-- debug function, calling it from a config file will show all
-- available globals to that config file
print(util.show_table(e, "global environment"))
end,
}
return e
end
-- Merge values from config files read into the `cfg` table
local function merge_overrides(cfg, overrides)
-- remove some stuff we do not want to integrate
overrides.os_getenv = nil
overrides.dump_env = nil
-- remove tables to be copied verbatim instead of deeply merged
if overrides.rocks_trees then cfg.rocks_trees = nil end
if overrides.rocks_servers then cfg.rocks_servers = nil end
-- perform actual merge
util.deep_merge(cfg, overrides)
end
local function update_platforms(platforms, overrides)
if overrides[1] then
for k, _ in pairs(platforms) do
platforms[k] = nil
end
for _, v in ipairs(overrides) do
platforms[v] = true
end
-- set some fallback default in case the user provides an incomplete configuration.
-- LuaRocks expects a set of defaults to be available.
if not (platforms.unix or platforms.windows) then
platforms[is_windows and "windows" or "unix"] = true
end
end
end
-- Load config file and merge its contents into the `cfg` module table.
-- @return filepath of successfully loaded file or nil if it failed
load_config_file = function(cfg, platforms, filepath)
local result, err, errcode = persist.load_into_table(filepath, env_for_config_file(cfg, platforms))
if (not result) and errcode ~= "open" then
-- errcode is either "load" or "run"; bad config file, so error out
return nil, err, "config"
end
if result then
-- success in loading and running, merge contents and exit
update_platforms(platforms, result.platforms)
result.platforms = nil
merge_overrides(cfg, result)
return filepath
end
return nil -- nothing was loaded
end
end
local platform_sets = {
freebsd = { unix = true, bsd = true, freebsd = true },
openbsd = { unix = true, bsd = true, openbsd = true },
solaris = { unix = true, solaris = true },
windows = { windows = true, win32 = true },
cygwin = { unix = true, cygwin = true },
macosx = { unix = true, bsd = true, macosx = true, macos = true },
netbsd = { unix = true, bsd = true, netbsd = true },
haiku = { unix = true, haiku = true },
linux = { unix = true, linux = true },
mingw = { windows = true, win32 = true, mingw32 = true, mingw = true },
msys = { unix = true, cygwin = true, msys = true },
msys2_mingw_w64 = { windows = true, win32 = true, mingw32 = true, mingw = true, msys = true, msys2_mingw_w64 = true },
}
local function make_platforms(system)
-- fallback to Unix in unknown systems
return platform_sets[system] or { unix = true }
end
--------------------------------------------------------------------------------
local function make_defaults(lua_version, target_cpu, platforms, home)
-- Configure defaults:
local defaults = {
lua_interpreter = "lua",
local_by_default = false,
accept_unknown_fields = false,
fs_use_modules = true,
hooks_enabled = true,
deps_mode = "one",
no_manifest = false,
check_certificates = false,
cache_timeout = 60,
cache_fail_timeout = 86400,
lua_modules_path = "/share/lua/"..lua_version,
lib_modules_path = "/lib/lua/"..lua_version,
rocks_subdir = "/lib/luarocks/rocks-"..lua_version,
arch = "unknown",
lib_extension = "unknown",
obj_extension = "unknown",
link_lua_explicitly = false,
rocks_servers = {
{
"https://luarocks.org",
"https://raw.githubusercontent.com/rocks-moonscript-org/moonrocks-mirror/master/",
"https://luafr.org/luarocks/",
"http://luarocks.logiceditor.com/rocks",
}
},
disabled_servers = {},
upload = {
server = "https://luarocks.org",
tool_version = "1.0.0",
api_version = "1",
},
lua_extension = "lua",
connection_timeout = 30, -- 0 = no timeout
variables = {
MAKE = "make",
CC = "cc",
LD = "ld",
AR = "ar",
RANLIB = "ranlib",
CVS = "cvs",
GIT = "git",
SSCM = "sscm",
SVN = "svn",
HG = "hg",
GPG = "gpg",
RSYNC = "rsync",
WGET = "wget",
SCP = "scp",
CURL = "curl",
PWD = "pwd",
MKDIR = "mkdir",
RMDIR = "rmdir",
CP = "cp",
LS = "ls",
RM = "rm",
FIND = "find",
CHMOD = "chmod",
ICACLS = "icacls",
MKTEMP = "mktemp",
ZIP = "zip",
UNZIP = "unzip -n",
GUNZIP = "gunzip",
BUNZIP2 = "bunzip2",
TAR = "tar",
MD5SUM = "md5sum",
OPENSSL = "openssl",
MD5 = "md5",
TOUCH = "touch",
CMAKE = "cmake",
SEVENZ = "7z",
RSYNCFLAGS = "--exclude=.git -Oavz",
CURLNOCERTFLAG = "",
WGETNOCERTFLAG = "",
},
external_deps_subdirs = {
bin = "bin",
lib = "lib",
include = "include"
},
runtime_external_deps_subdirs = {
bin = "bin",
lib = "lib",
include = "include"
},
}
if platforms.windows then
defaults.arch = "win32-"..target_cpu
defaults.lib_extension = "dll"
defaults.external_lib_extension = "dll"
defaults.static_lib_extension = "lib"
defaults.obj_extension = "obj"
defaults.external_deps_dirs = { "c:/external/", "c:/windows/system32" }
defaults.makefile = "Makefile.win"
defaults.variables.MAKE = "nmake"
defaults.variables.CC = "cl"
defaults.variables.RC = "rc"
defaults.variables.LD = "link"
defaults.variables.MT = "mt"
defaults.variables.AR = "lib"
defaults.variables.LUALIB = "lua"..lua_version..".lib"
defaults.variables.CFLAGS = "/nologo /MD /O2"
defaults.variables.LIBFLAG = "/nologo /dll"
defaults.external_deps_patterns = {
bin = { "?.exe", "?.bat" },
lib = { "?.lib", "?.dll", "lib?.dll" },
include = { "?.h" }
}
defaults.runtime_external_deps_patterns = {
bin = { "?.exe", "?.bat" },
lib = { "?.dll", "lib?.dll" },
include = { "?.h" }
}
defaults.export_path_separator = ";"
defaults.wrapper_suffix = ".bat"
local localappdata = os.getenv("LOCALAPPDATA")
if not localappdata then
-- for Windows versions below Vista
localappdata = (os.getenv("USERPROFILE") or "c:/Users/All Users").."/Local Settings/Application Data"
end
defaults.local_cache = localappdata.."/LuaRocks/Cache"
defaults.web_browser = "start"
defaults.external_deps_subdirs.lib = { "", "lib", "bin" }
defaults.runtime_external_deps_subdirs.lib = { "", "lib", "bin" }
defaults.link_lua_explicitly = true
defaults.fs_use_modules = false
end
if platforms.mingw32 then
defaults.obj_extension = "o"
defaults.static_lib_extension = "a"
defaults.external_deps_dirs = { "c:/external/", "c:/mingw", "c:/windows/system32" }
defaults.cmake_generator = "MinGW Makefiles"
defaults.variables.MAKE = "mingw32-make"
defaults.variables.CC = "mingw32-gcc"
defaults.variables.RC = "windres"
defaults.variables.LD = "mingw32-gcc"
defaults.variables.AR = "ar"
defaults.variables.RANLIB = "ranlib"
defaults.variables.CFLAGS = "-O2"
defaults.variables.LIBFLAG = "-shared"
defaults.makefile = "Makefile"
defaults.external_deps_patterns = {
bin = { "?.exe", "?.bat" },
-- mingw lookup list from http://stackoverflow.com/a/15853231/1793220
-- ...should we keep ?.lib at the end? It's not in the above list.
lib = { "lib?.dll.a", "?.dll.a", "lib?.a", "cyg?.dll", "lib?.dll", "?.dll", "?.lib" },
include = { "?.h" }
}
defaults.runtime_external_deps_patterns = {
bin = { "?.exe", "?.bat" },
lib = { "cyg?.dll", "?.dll", "lib?.dll" },
include = { "?.h" }
}
defaults.link_lua_explicitly = true
end
if platforms.unix then
defaults.lib_extension = "so"
defaults.static_lib_extension = "a"
defaults.external_lib_extension = "so"
defaults.obj_extension = "o"
defaults.external_deps_dirs = { "/usr/local", "/usr", "/" }
defaults.variables.CFLAGS = "-O2"
defaults.cmake_generator = "Unix Makefiles"
defaults.variables.CC = "gcc"
defaults.variables.LD = "gcc"
defaults.gcc_rpath = true
defaults.variables.LIBFLAG = "-shared"
defaults.variables.TEST = "test"
defaults.external_deps_patterns = {
bin = { "?" },
lib = { "lib?.a", "lib?.so", "lib?.so.*" },
include = { "?.h" }
}
defaults.runtime_external_deps_patterns = {
bin = { "?" },
lib = { "lib?.so", "lib?.so.*" },
include = { "?.h" }
}
defaults.export_path_separator = ":"
defaults.wrapper_suffix = ""
local xdg_cache_home = os.getenv("XDG_CACHE_HOME") or home.."/.cache"
defaults.local_cache = xdg_cache_home.."/luarocks"
if not defaults.variables.CFLAGS:match("-fPIC") then
defaults.variables.CFLAGS = defaults.variables.CFLAGS.." -fPIC"
end
defaults.web_browser = "xdg-open"
end
if platforms.cygwin then
defaults.lib_extension = "so" -- can be overridden in the config file for mingw builds
defaults.arch = "cygwin-"..target_cpu
defaults.cmake_generator = "Unix Makefiles"
defaults.variables.CC = "echo -llua | xargs gcc"
defaults.variables.LD = "echo -llua | xargs gcc"
defaults.variables.LIBFLAG = "-shared"
defaults.link_lua_explicitly = true
end
if platforms.msys then
-- msys is basically cygwin made out of mingw, meaning the subsytem is unixish
-- enough, yet we can freely mix with native win32
defaults.external_deps_patterns = {
bin = { "?.exe", "?.bat", "?" },
lib = { "lib?.so", "lib?.so.*", "lib?.dll.a", "?.dll.a",
"lib?.a", "lib?.dll", "?.dll", "?.lib" },
include = { "?.h" }
}
defaults.runtime_external_deps_patterns = {
bin = { "?.exe", "?.bat" },
lib = { "lib?.so", "?.dll", "lib?.dll" },
include = { "?.h" }
}
if platforms.mingw then
-- MSYS2 can build Windows programs that depend on
-- msys-2.0.dll (based on Cygwin) but MSYS2 is also designed
-- for building native Windows programs by MinGW. These
-- programs don't depend on msys-2.0.dll.
local pipe = io.popen("cygpath --windows %MINGW_PREFIX%")
local mingw_prefix = pipe:read("*l")
pipe:close()
defaults.external_deps_dirs = { mingw_prefix, "c:/windows/system32" }
defaults.makefile = "Makefile"
defaults.cmake_generator = "MSYS Makefiles"
defaults.local_cache = home.."/.cache/luarocks"
defaults.variables.MAKE = "make"
defaults.variables.CC = "gcc"
defaults.variables.RC = "windres"
defaults.variables.LD = "gcc"
defaults.variables.MT = nil
defaults.variables.AR = "ar"
defaults.variables.RANLIB = "ranlib"
defaults.variables.LUALIB = "liblua"..lua_version..".dll.a"
defaults.variables.CFLAGS = "-O2 -fPIC"
defaults.variables.LIBFLAG = "-shared"
end
end
if platforms.bsd then
defaults.variables.MAKE = "gmake"
end
if platforms.macosx then
defaults.variables.MAKE = "make"
defaults.external_lib_extension = "dylib"
defaults.arch = "macosx-"..target_cpu
defaults.variables.LIBFLAG = "-bundle -undefined dynamic_lookup -all_load"
local version = util.popen_read("sw_vers -productVersion")
if not (version:match("^%d+%.%d+%.%d+$") or version:match("^%d+%.%d+$")) then
version = "10.3"
end
version = vers.parse_version(version)
if version >= vers.parse_version("10.10") then
version = vers.parse_version("10.8")
elseif version >= vers.parse_version("10.5") then
version = vers.parse_version("10.5")
else
defaults.gcc_rpath = false
end
defaults.variables.CC = "env MACOSX_DEPLOYMENT_TARGET="..tostring(version).." gcc"
defaults.variables.LD = "env MACOSX_DEPLOYMENT_TARGET="..tostring(version).." gcc"
defaults.web_browser = "open"
end
if platforms.linux then
defaults.arch = "linux-"..target_cpu
local gcc_arch = util.popen_read("gcc -print-multiarch 2>/dev/null")
if gcc_arch and gcc_arch ~= "" then
defaults.external_deps_subdirs.lib = { "lib", "lib/" .. gcc_arch, "lib64" }
defaults.runtime_external_deps_subdirs.lib = { "lib", "lib/" .. gcc_arch, "lib64" }
else
defaults.external_deps_subdirs.lib = { "lib", "lib64" }
defaults.runtime_external_deps_subdirs.lib = { "lib", "lib64" }
end
end
if platforms.freebsd then
defaults.arch = "freebsd-"..target_cpu
defaults.gcc_rpath = false
defaults.variables.CC = os.getenv("CC") or "cc"
defaults.variables.CFLAGS = os.getenv("CFLAGS") or defaults.variables.CFLAGS
defaults.variables.LD = defaults.variables.CC
defaults.variables.LIBFLAG = (os.getenv("LDFLAGS") or "").." -shared"
end
if platforms.openbsd then
defaults.arch = "openbsd-"..target_cpu
end
if platforms.netbsd then
defaults.arch = "netbsd-"..target_cpu
end
if platforms.solaris then
defaults.arch = "solaris-"..target_cpu
--defaults.platforms = {"unix", "solaris"}
defaults.variables.MAKE = "gmake"
end
-- Expose some more values detected by LuaRocks for use by rockspec authors.
defaults.variables.LIB_EXTENSION = defaults.lib_extension
defaults.variables.OBJ_EXTENSION = defaults.obj_extension
return defaults
end
local function use_defaults(cfg, defaults)
-- Populate variables with values from their 'defaults' counterparts
-- if they were not already set by user.
if not cfg.variables then
cfg.variables = {}
end
for k,v in pairs(defaults.variables) do
if not cfg.variables[k] then
cfg.variables[k] = v
end
end
util.deep_merge_under(cfg, defaults)
-- FIXME get rid of this
if not cfg.check_certificates then
cfg.variables.CURLNOCERTFLAG = "-k"
cfg.variables.WGETNOCERTFLAG = "--no-check-certificate"
end
end
local function get_first_arg()
if not arg then
return
end
local first_arg = arg[0]
local i = -1
while arg[i] do
first_arg = arg[i]
i = i -1
end
return first_arg
end
--------------------------------------------------------------------------------
local cfg = {}
--- Initializes the LuaRocks configuration for variables, paths
-- and OS detection.
-- @param detected table containing information detected about the
-- environment. All fields below are optional:
-- * lua_version (in x.y format, e.g. "5.3")
-- * lua_bindir (e.g. "/usr/local/bin")
-- * lua_dir (e.g. "/usr/local")
-- * lua_interpreter (e.g. "lua-5.3")
-- * project_dir (a string with the path of the project directory
-- when using per-project environments, as created with `luarocks init`)
-- @param warning a logging function for warnings that takes a string
-- @return true on success; nil and an error message on failure.
function cfg.init(detected, warning)
detected = detected or {}
local hc_ok, hardcoded = pcall(require, "luarocks.core.hardcoded")
if not hc_ok then
hardcoded = {}
end
local init = cfg.init
----------------------------------------
-- Reset the cfg table.
----------------------------------------
for k, _ in pairs(cfg) do
cfg[k] = nil
end
cfg.program_version = program_version
cfg.program_series = program_series
cfg.major_version = major_version
if hardcoded.IS_BINARY then
cfg.is_binary = true
end
-- Use detected values as defaults, overridable via config files or CLI args
local first_arg = get_first_arg()
cfg.lua_version = detected.lua_version or hardcoded.LUA_VERSION or _VERSION:sub(5)
cfg.lua_interpreter = detected.lua_interpreter or hardcoded.LUA_INTERPRETER or (first_arg and first_arg:gsub(".*[\\/]", "")) or (is_windows and "lua.exe" or "lua")
cfg.project_dir = (not hardcoded.FORCE_CONFIG) and detected.project_dir
do
local lua_bindir = detected.lua_bindir or hardcoded.LUA_BINDIR or (first_arg and first_arg:gsub("[\\/][^\\/]+$", ""))
local lua_dir = detected.lua_dir or hardcoded.LUA_DIR or (lua_bindir and lua_bindir:gsub("[\\/]bin$", ""))
cfg.variables = {
LUA_DIR = lua_dir,
LUA_BINDIR = lua_bindir,
LUA_LIBDIR = hardcoded.LUA_LIBDIR,
LUA_INCDIR = hardcoded.LUA_INCDIR,
}
end
cfg.init = init
----------------------------------------
-- System detection.
----------------------------------------
-- A proper build of LuaRocks will hardcode the system
-- and proc values with hardcoded.SYSTEM and hardcoded.PROCESSOR.
-- If that is not available, we try to identify the system.
local system, processor = sysdetect.detect()
if hardcoded.SYSTEM then
system = hardcoded.SYSTEM
end
if hardcoded.PROCESSOR then
processor = hardcoded.PROCESSOR
end
if system == "windows" then
if os.getenv("VCINSTALLDIR") then
-- running from the Development Command prompt for VS 2017
system = "windows"
else
local msystem = os.getenv("MSYSTEM")
if msystem == nil then
system = "mingw"
elseif msystem == "MSYS" then
system = "msys"
else
-- MINGW32 or MINGW64
system = "msys2_mingw_w64"
end
end
end
cfg.target_cpu = processor
local platforms = make_platforms(system)
----------------------------------------
-- Platform is determined.
-- Let's load the config files.
----------------------------------------
local sys_config_file
local home_config_file
local project_config_file
local config_file_name = "config-"..cfg.lua_version..".lua"
do
local sysconfdir = os.getenv("LUAROCKS_SYSCONFDIR") or hardcoded.SYSCONFDIR
if platforms.windows and not platforms.msys2_mingw_w64 then
cfg.home = os.getenv("APPDATA") or "c:"
cfg.home_tree = cfg.home.."/luarocks"
cfg.sysconfdir = sysconfdir or ((os.getenv("PROGRAMFILES") or "c:") .. "/luarocks")
else
cfg.home = os.getenv("HOME") or ""
cfg.home_tree = cfg.home.."/.luarocks"
cfg.sysconfdir = sysconfdir or detect_sysconfdir() or "/etc/luarocks"
end
end
-- Load system configuration file
sys_config_file = (cfg.sysconfdir .. "/" .. config_file_name):gsub("\\", "/")
local sys_config_ok, err = load_config_file(cfg, platforms, sys_config_file)
if err then
return nil, err, "config"
end
-- Load user configuration file (if allowed)
local home_config_ok
local project_config_ok
if not hardcoded.FORCE_CONFIG then
local env_var = "LUAROCKS_CONFIG_" .. cfg.lua_version:gsub("%.", "_")
local env_value = os.getenv(env_var)
if not env_value then
env_var = "LUAROCKS_CONFIG"
env_value = os.getenv(env_var)
end
-- first try environment provided file, so we can explicitly warn when it is missing
if env_value then
local env_ok, err = load_config_file(cfg, platforms, env_value)
if err then
return nil, err, "config"
elseif warning and not env_ok then
warning("Warning: could not load configuration file `"..env_value.."` given in environment variable "..env_var.."\n")
end
if env_ok then
home_config_ok = true
home_config_file = env_value
end
end
-- try XDG config home
if platforms.unix and not home_config_ok then
local xdg_config_home = os.getenv("XDG_CONFIG_HOME") or cfg.home .. "/.config"
cfg.homeconfdir = xdg_config_home .. "/luarocks"
home_config_file = (cfg.homeconfdir .. "/" .. config_file_name):gsub("\\", "/")
home_config_ok, err = load_config_file(cfg, platforms, home_config_file)
if err then
return nil, err, "config"
end
end
-- try the alternative defaults if there was no environment specified file or it didn't work
if not home_config_ok then
cfg.homeconfdir = cfg.home_tree
home_config_file = (cfg.homeconfdir .. "/" .. config_file_name):gsub("\\", "/")
home_config_ok, err = load_config_file(cfg, platforms, home_config_file)
if err then
return nil, err, "config"
end
end
-- finally, use the project-specific config file if any
if cfg.project_dir then
project_config_file = cfg.project_dir .. "/.luarocks/" .. config_file_name
project_config_ok, err = load_config_file(cfg, platforms, project_config_file)
if err then
return nil, err, "config"
end
end
end
----------------------------------------
-- Config files are loaded.
-- Let's finish up the cfg table.
----------------------------------------
-- Settings given via the CLI (i.e. --lua-dir) take precedence over config files.
cfg.project_dir = detected.given_project_dir or cfg.project_dir
cfg.lua_version = detected.given_lua_version or cfg.lua_version
if detected.given_lua_dir then
cfg.variables.LUA_DIR = detected.given_lua_dir
cfg.variables.LUA_BINDIR = detected.lua_bindir
cfg.variables.LUA_LIBDIR = nil
cfg.variables.LUA_INCDIR = nil
cfg.lua_interpreter = detected.lua_interpreter
end
-- Build a default list of rocks trees if not given
if cfg.rocks_trees == nil then
cfg.rocks_trees = {}
if cfg.home_tree then
table.insert(cfg.rocks_trees, { name = "user", root = cfg.home_tree } )
end
if hardcoded.PREFIX and hardcoded.PREFIX ~= cfg.home_tree then
table.insert(cfg.rocks_trees, { name = "system", root = hardcoded.PREFIX } )
end
end
local defaults = make_defaults(cfg.lua_version, processor, platforms, cfg.home)
if platforms.windows and hardcoded.WIN_TOOLS then
local tools = { "SEVENZ", "CP", "FIND", "LS", "MD5SUM", "PWD", "RMDIR", "WGET", "MKDIR" }
for _, tool in ipairs(tools) do
defaults.variables[tool] = '"' .. hardcoded.WIN_TOOLS .. "/" .. defaults.variables[tool] .. '.exe"'
end
else
defaults.fs_use_modules = true
end
use_defaults(cfg, defaults)
cfg.variables.LUA = cfg.variables.LUA or (cfg.variables.LUA_BINDIR and (cfg.variables.LUA_BINDIR .. "/" .. cfg.lua_interpreter):gsub("//", "/"))
cfg.user_agent = "LuaRocks/"..cfg.program_version.." "..cfg.arch
cfg.config_files = {
project = cfg.project_dir and {
file = project_config_file,
found = not not project_config_ok,
},
system = {
file = sys_config_file,
found = not not sys_config_ok,
},
user = {
file = home_config_file,
found = not not home_config_ok,
},
nearest = project_config_ok
and project_config_file
or (home_config_ok
and home_config_file
or sys_config_file),
}
cfg.cache = {}
----------------------------------------
-- Attributes of cfg are set.
-- Let's add some methods.
----------------------------------------
do
local function make_paths_from_tree(tree)
local lua_path, lib_path, bin_path
if type(tree) == "string" then
lua_path = tree..cfg.lua_modules_path
lib_path = tree..cfg.lib_modules_path
bin_path = tree.."/bin"
else
lua_path = tree.lua_dir or tree.root..cfg.lua_modules_path
lib_path = tree.lib_dir or tree.root..cfg.lib_modules_path
bin_path = tree.bin_dir or tree.root.."/bin"
end
return lua_path, lib_path, bin_path
end
function cfg.package_paths(current)
local new_path, new_cpath, new_bin = {}, {}, {}
local function add_tree_to_paths(tree)
local lua_path, lib_path, bin_path = make_paths_from_tree(tree)
table.insert(new_path, lua_path.."/?.lua")
table.insert(new_path, lua_path.."/?/init.lua")
table.insert(new_cpath, lib_path.."/?."..cfg.lib_extension)
table.insert(new_bin, bin_path)
end
if current then
add_tree_to_paths(current)
end
for _,tree in ipairs(cfg.rocks_trees) do
add_tree_to_paths(tree)
end
return table.concat(new_path, ";"), table.concat(new_cpath, ";"), table.concat(new_bin, cfg.export_path_separator)
end
end
function cfg.init_package_paths()
local lr_path, lr_cpath, lr_bin = cfg.package_paths()
package.path = util.cleanup_path(package.path .. ";" .. lr_path, ";", cfg.lua_version, true)
package.cpath = util.cleanup_path(package.cpath .. ";" .. lr_cpath, ";", cfg.lua_version, true)
end
--- Check if platform was detected
-- @param name string: The platform name to check.
-- @return boolean: true if LuaRocks is currently running on queried platform.
function cfg.is_platform(name)
assert(type(name) == "string")
return platforms[name]
end
-- @param direction (optional) "least-specific-first" (default) or "most-specific-first"
function cfg.each_platform(direction)
direction = direction or "least-specific-first"
local i, delta
if direction == "least-specific-first" then
i = 0
delta = 1
else
i = #platform_order + 1
delta = -1
end
return function()
local p
repeat
i = i + delta
p = platform_order[i]
until (not p) or platforms[p]
return p
end
end
function cfg.print_platforms()
local platform_keys = {}
for k,_ in pairs(platforms) do
table.insert(platform_keys, k)
end
table.sort(platform_keys)
return table.concat(platform_keys, ", ")
end
return true
end
return cfg