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luadist.lua
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luadist.lua
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#!/usr/bin/env lua
-- Command line interface to LuaDist-git.
local dist = require "dist"
local utils = require "dist.utils"
local depends = require "dist.depends"
local package = require "dist.package"
local mf = require "dist.manifest"
local cfg = require "dist.config"
local sys = require "dist.sys"
-- CLI commands of Luadist.
local commands
commands = {
-- Print help for this command line interface.
["help"] = {
help = [[
Usage: luadist [DEPLOYMENT_DIRECTORY] <COMMAND> [ARGUMENTS...] [-VARIABLES...]
Commands:
help - print this help
install - install modules
remove - remove modules
refresh - update information about modules in repositories
list - list installed modules
info - show information about modules
search - search repositories for modules
fetch - download modules
make - manually deploy modules from local paths
upload - upload installed modules to their repositories
tree - print dependency tree of a module
selftest - run the selftest of LuaDist
To get help on specific command, run:
luadist help <COMMAND>
]],
run = function (deploy_dir, help_item)
deploy_dir = deploy_dir or dist.get_deploy_dir()
help_item = help_item or {}
assert(type(deploy_dir) == "string", "luadist.help: Argument 'deploy_dir' is not a string.")
assert(type(help_item) == "table", "luadist.help: Argument 'help_item' is not a table.")
deploy_dir = sys.abs_path(deploy_dir)
if not help_item or not commands[help_item[1]] then
help_item = "help"
else
help_item = help_item[1]
end
print_info()
print(commands[help_item].help)
return 0
end
},
-- Install modules.
["install"] = {
help = [[
Usage: luadist [DEPLOYMENT_DIRECTORY] install MODULES... [-VARIABLES...]
The 'install' command will install specified MODULES to
DEPLOYMENT_DIRECTORY. LuaDist will also automatically resolve, download
and install all dependencies.
If DEPLOYMENT_DIRECTORY is not specified, the deployment directory
of LuaDist is used.
You can use * (an asterisk sign) in the name of the module as a wildcard
with the meaning 'any symbols' (in most shells, the module name then must
be quoted to prevent the expansion of asterisk by the shell itself).
Optional CMake VARIABLES in -D format (e.g. -Dvariable=value) or LuaDist
configuration VARIABLES (e.g. -variable=value) can be specified.
The -simulate configuration option makes LuaDist only to simulate the
installation of modules (no modules will be really installed).
]],
run = function (deploy_dir, modules, cmake_variables)
deploy_dir = deploy_dir or dist.get_deploy_dir()
if type(modules) == "string" then modules = {modules} end
cmake_variables = cmake_variables or {}
assert(type(deploy_dir) == "string", "luadist.install: Argument 'deploy_dir' is not a string.")
assert(type(modules) == "table", "luadist.install: Argument 'modules' is not a string or table.")
assert(type(cmake_variables) == "table", "luadist.install: Argument 'cmake_variables' is not a table.")
deploy_dir = sys.abs_path(deploy_dir)
if cfg.simulate then
print("NOTE: this is just simulation.")
end
if #modules == 0 then
print("No modules to install specified.")
return 0
end
local ok, err = dist.install(modules, deploy_dir, cmake_variables)
if not ok then
print(err)
os.exit(1)
else
print((cfg.simulate and "Simulated installation" or "Installation") .. " successful.")
return 0
end
end
},
-- Remove modules.
["remove"] = {
help = [[
Usage: luadist [DEPLOYMENT_DIRECTORY] remove MODULES... [-VARIABLES...]
The 'remove' command will remove specified MODULES from
DEPLOYMENT_DIRECTORY. If no module is specified, all modules
will be removed.
If DEPLOYMENT_DIRECTORY is not specified, the deployment directory
of LuaDist is used. If no MODULES are specified, all installed modules
will be removed.
You can use * (an asterisk sign) in the name of the module as a wildcard
with the meaning 'any symbols' (in most shells, the module name then must
be quoted to prevent the expansion of asterisk by the shell itself).
Optional LuaDist configuration VARIABLES (e.g. -variable=value) can be
specified.
WARNING: dependencies between modules are NOT taken into account when
removing modules!
]],
run = function (deploy_dir, modules)
deploy_dir = deploy_dir or dist.get_deploy_dir()
if type(modules) == "string" then modules = {modules} end
assert(type(deploy_dir) == "string", "luadist.remove: Argument 'deploy_dir' is not a string.")
assert(type(modules) == "table", "luadist.remove: Argument 'modules' is not a string or table.")
deploy_dir = sys.abs_path(deploy_dir)
local num, err = dist.remove(modules, deploy_dir)
if not num then
print(err)
os.exit(1)
else
print("Removed modules: " .. num)
return 0
end
end
},
-- Update repositories.
["refresh"] = {
help = [[
Usage: luadist [DEPLOYMENT_DIRECTORY] refresh [-VARIABLES...]
The 'refresh' command will update information about modules in all software
repositories of specified DEPLOYMENT_DIRECTORY. Also, the cached dependency
manifest, built from previous installations or invocations of 'tree'
functionality will be deleted.
If DEPLOYMENT_DIRECTORY is not specified, the deployment directory
of LuaDist is used.
Optional LuaDist configuration VARIABLES (e.g. -variable=value) can be
specified.
]],
run = function (deploy_dir)
deploy_dir = deploy_dir or dist.get_deploy_dir()
assert(type(deploy_dir) == "string", "luadist.refresh: Argument 'deploy_dir' is not a string.")
deploy_dir = sys.abs_path(deploy_dir)
-- TODO: should be deleting the dep_manifest decoupled from refreshing the repository info?
-- delete cached dependency manifest
local dep_manifest_file = sys.abs_path(sys.make_path(deploy_dir, cfg.dep_cache_file))
local dep_mf_deleted = false
if sys.exists(dep_manifest_file) then
sys.delete(dep_manifest_file)
dep_mf_deleted = true
end
-- refresh repository information
local ok, err = dist.update_manifest(deploy_dir)
if not ok then
print(err)
os.exit(1)
else
print("Repositories successfuly updated" .. (dep_mf_deleted and " and dependency cache deleted" or "") .. ".")
return 0
end
end
},
-- Manually deploy modules.
["make"] = {
help = [[
Usage: luadist [DEPLOYMENT_DIRECTORY] make MODULE_PATHS... [-VARIABLES...]
The 'make' command will manually deploy modules from specified local
MODULE_PATHS into the DEPLOYMENT_DIRECTORY.
The MODULE_PATHS will be preserved. If DEPLOYMENT_DIRECTORY is not
specified, the deployment directory of LuaDist is used.
Optional CMake VARIABLES in -D format (e.g. -Dvariable=value) or LuaDist
configuration VARIABLES (e.g. -variable=value) can be specified.
The -simulate configuration option makes LuaDist only to simulate the
deployment of modules (no modules will be really deployed).
WARNING: this command does NOT check whether the dependencies of deployed
modules are satisfied or not!
]],
run = function (deploy_dir, module_paths, cmake_variables)
deploy_dir = deploy_dir or dist.get_deploy_dir()
module_paths = module_paths or {}
cmake_variables = cmake_variables or {}
assert(type(deploy_dir) == "string", "luadist.make: Argument 'deploy_dir' is not a string.")
assert(type(module_paths) == "table", "luadist.make: Argument 'module_paths' is not a table.")
assert(type(cmake_variables) == "table", "luadist.make: Argument 'cmake_variables' is not a table.")
deploy_dir = sys.abs_path(deploy_dir)
if cfg.simulate then
print("NOTE: this is just simulation.")
end
if #module_paths == 0 then
print("No module paths to deploy specified.")
return 0
end
local ok, err = dist.make(deploy_dir, module_paths, cmake_variables)
if not ok then
print(err)
os.exit(1)
end
print((cfg.simulate and "Simulated deployment" or "Deployment") .. " successful.")
return 0
end
},
-- Download modules.
["fetch"] = {
help = [[
Usage: luadist [FETCH_DIRECTORY] fetch MODULES... [-VARIABLES...]
The 'fetch' command will download specified MODULES to the FETCH_DIRECTORY.
If no FETCH_DIRECTORY is specified, the temporary directory of LuaDist
deployment directory (i.e. ']] .. cfg.temp_dir .. [[') is used.
If the version is not specified in module name, the most recent version
available will be downloaded.
Optional LuaDist configuration VARIABLES (e.g. -variable=value) can be
specified.
]],
run = function (fetch_dir, modules)
fetch_dir = fetch_dir or dist.get_deploy_dir()
modules = modules or {}
assert(type(fetch_dir) == "string", "luadist.fetch: Argument 'fetch_dir' is not a string.")
assert(type(modules) == "table", "luadist.fetch: Argument 'modules' is not a table.")
fetch_dir = sys.abs_path(fetch_dir)
-- if the default parameter (i.e. deploy_dir) is passed, use the default temp_dir
if fetch_dir == dist.get_deploy_dir() then
fetch_dir = sys.make_path(fetch_dir, cfg.temp_dir)
end
if #modules == 0 then
print("No modules to download specified.")
return 0
end
local ok, err = dist.fetch(modules, fetch_dir)
if not ok then
print(err)
os.exit(1)
else
print("Modules successfuly downloaded to '" .. fetch_dir .. "'.")
return 0
end
end
},
-- Upload modules.
["upload"] = {
help = [[
Usage: luadist [DEPLOYMENT_DIRECTORY] upload MODULES... [-VARIABLES...]
The 'upload' command will upload the binary versions of specified MODULES,
installed in the DEPLOYMENT_DIRECTORY, to their LuaDist repositories.
Base url of repositories is given by configuration variable 'upload_url'
(by default ']] .. cfg.upload_url .. [[') which you can change.
E.g.: Binary version of module 'lua', installed in DEPLOYMENT_DIRECTORY,
will now be uploaded to repository ']] .. cfg.upload_url .. [[lua.git'.
Organization of uploaded modules and their repositories is subject
to the conventions described in more detail in the source code
of the 'dist.upload_modules()' function (file 'dist/init.lua').
If DEPLOYMENT_DIRECTORY is not specified, the deployment directory
of LuaDist is used. If no MODULES are specified, all installed modules
will be uploaded.
You can use * (an asterisk sign) in the name of the module as a wildcard
with the meaning 'any symbols' (in most shells, the module name then must
be quoted to prevent the expansion of asterisk by the shell itself).
Optional LuaDist configuration VARIABLES (e.g. -variable=value) can be
specified.
]],
run = function (deploy_dir, modules)
-- check if we have git
local ok = utils.system_dependency_available("git", "git --version")
if not ok then os.exit(1) end
deploy_dir = deploy_dir or dist.get_deploy_dir()
if type(modules) == "string" then modules = {modules} end
assert(type(deploy_dir) == "string", "luadist.upload: Argument 'deploy_dir' is not a string.")
assert(type(modules) == "table", "luadist.upload: Argument 'modules' is not a string or table.")
deploy_dir = sys.abs_path(deploy_dir)
local num, err = dist.upload_modules(deploy_dir, modules, cfg.upload_url)
if not num then
print(err)
os.exit(1)
else
print("Uploaded modules: " .. num)
return 0
end
end
},
-- List installed modules.
["list"] = {
help = [[
Usage: luadist [DEPLOYMENT_DIRECTORY] list [STRINGS...] [-VARIABLES...]
The 'list' command will list all modules installed in specified
DEPLOYMENT_DIRECTORY, which contain one or more optional STRINGS.
If DEPLOYMENT_DIRECTORY is not specified, the deployment directory
of LuaDist is used. If STRINGS are not specified, all installed modules
are listed.
Optional LuaDist configuration VARIABLES (e.g. -variable=value) can be
specified.
]],
run = function (deploy_dir, strings)
deploy_dir = deploy_dir or dist.get_deploy_dir()
strings = strings or {}
assert(type(deploy_dir) == "string", "luadist.list: Argument 'deploy_dir' is not a string.")
assert(type(strings) == "table", "luadist.list: Argument 'strings' is not a table.")
deploy_dir = sys.abs_path(deploy_dir)
local deployed = dist.get_deployed(deploy_dir)
deployed = depends.filter_packages_by_strings(deployed, strings)
print("\nInstalled modules:")
print("==================\n")
for _, pkg in pairs(deployed) do
print(" " .. pkg.name .. "-" .. pkg.version .. "\t(" .. pkg.arch .. "-" .. pkg.type .. ")" .. (pkg.provided_by and "\t [provided by " .. pkg.provided_by .. "]" or ""))
end
print()
return 0
end
},
-- Search for modules in repositories.
["search"] = {
help = [[
Usage: luadist [DEPLOYMENT_DIRECTORY] search [STRINGS...] [-VARIABLES...]
The 'search' command will list all modules from repositories, which contain
one or more STRINGS.
If no STRINGS are specified, all available modules are listed.
Optional LuaDist configuration VARIABLES (e.g. -variable=value) can be
specified.
]],
run = function (deploy_dir, strings)
deploy_dir = deploy_dir or dist.get_deploy_dir()
strings = strings or {}
assert(type(deploy_dir) == "string", "luadist.search: Argument 'deploy_dir' is not a string.")
assert(type(strings) == "table", "luadist.search: Argument 'strings' is not a table.")
deploy_dir = sys.abs_path(deploy_dir)
local available, err = mf.get_manifest()
if not available then
print(err)
os.exit(1)
end
available = depends.filter_packages_by_strings(available, strings)
available = depends.sort_by_names(available)
print("\nModules found:")
print("==============\n")
for _, pkg in pairs(available) do
print(" " .. pkg.name)
end
print()
return 0
end
},
-- Show information about modules.
["info"] = {
help = [[
Usage: luadist [DEPLOYMENT_DIRECTORY] info [MODULES...] [-VARIABLES...]
The 'info' command shows information about specified modules from
repositories. This command also shows whether modules are installed
in DEPLOYMENT_DIRECTORY.
If no MODULES are specified, all available modules are shown.
If DEPLOYMENT_DIRECTORY is not specified, the deployment directory
of LuaDist is used.
Optional LuaDist configuration VARIABLES (e.g. -variable=value) can be
specified.
]],
run = function (deploy_dir, modules)
deploy_dir = deploy_dir or dist.get_deploy_dir()
modules = modules or {}
assert(type(deploy_dir) == "string", "luadist.info: Argument 'deploy_dir' is not a string.")
assert(type(modules) == "table", "luadist.info: Argument 'modules' is not a table.")
deploy_dir = sys.abs_path(deploy_dir)
local manifest, err = mf.get_manifest()
if not manifest then
print(err)
os.exit(1)
end
-- if no packages specified explicitly, show just info from .gitmodules for all packages available
if #modules == 0 then
modules = manifest
modules = depends.sort_by_names(modules)
local deployed = dist.get_deployed(deploy_dir)
print("")
for _, pkg in pairs(modules) do
print(" " .. pkg.name)
print(" Repository url: " .. (pkg.path or "N/A"))
print()
end
return 0
-- if some packages explicitly specified, retrieve and show detailed info about them
else
if #modules > 5 then
print("NOTE: More than 5 modules specified - operation may take a longer time.")
end
local deployed = dist.get_deployed(deploy_dir)
for _, module in pairs(modules) do
manifest, err = package.get_versions_info(module, manifest, deploy_dir, deployed)
if not manifest then
print(err)
os.exit(1)
end
end
modules = depends.find_packages(modules, manifest)
modules = depends.sort_by_names(modules)
print("")
for _, pkg in pairs(modules) do
print(" " .. pkg.name .. "-" .. pkg.version .. " (" .. pkg.arch .. "-" .. pkg.type ..")" .. (pkg.from_installed and " [info taken from installed version]" or ""))
print(" Description: " .. (pkg.desc or "N/A"))
print(" Author: " .. (pkg.author or "N/A"))
print(" Homepage: " .. (pkg.url or "N/A"))
print(" License: " .. (pkg.license or "N/A"))
print(" Repository url: " .. (pkg.path or "N/A"))
print(" Maintainer: " .. (pkg.maintainer or "N/A"))
if pkg.provides then print(" Provides: " .. utils.table_tostring(pkg.provides)) end
if pkg.depends then print(" Depends: " .. utils.table_tostring(pkg.depends)) end
if pkg.conflicts then print(" Conflicts: " .. utils.table_tostring(pkg.conflicts)) end
print(" State: " .. (depends.is_installed(pkg.name, deployed, pkg.version) and "installed" or "not installed"))
print()
end
return 0
end
end
},
-- Print dependency tree.
["tree"] = {
help = [[
Usage: luadist [DEPLOYMENT_DIRECTORY] tree [MODULES...] [-VARIABLES...]
The 'tree' command prints dependency tree for specified modules.
If no MODULES are specified, trees for all available modules are printed.
This information about modules is being cached in dependency manifest.
Optional LuaDist configuration VARIABLES (e.g. -variable=value) can be
specified.
]],
run = function (deploy_dir, modules)
deploy_dir = deploy_dir or dist.get_deploy_dir()
modules = modules or {}
assert(type(deploy_dir) == "string", "luadist.info: Argument 'deploy_dir' is not a string.")
assert(type(modules) == "table", "luadist.info: Argument 'modules' is not a table.")
deploy_dir = sys.abs_path(deploy_dir)
local manifest, err = mf.get_manifest()
if not manifest then
print(err)
os.exit(1)
end
-- if no modules specified explicitly, assume all modules
if #modules == 0 then modules = depends.sort_by_names(manifest) end
print("Getting dependency information... (this may take a lot of time)")
for _, module in pairs(modules) do
-- if all modules are being queried, extract the name
if type(module) == "table" then module = module.name end
local dep_manifest, err = dist.dependency_info(module, deploy_dir)
if not dep_manifest then
print(err)
os.exit(1)
else
-- print the dependency tree
local heading = "Dependency tree for '" .. module .. "' (on " .. cfg.arch .. "-" .. cfg.type .. "):"
print("\n" .. heading .. "")
print(string.rep("=", #heading) .. "\n")
for _, pkg in pairs(dep_manifest) do
local pkg_version, pkg_tag = pkg.version, pkg.version
if pkg.was_scm_version then
pkg_version, pkg_tag = "scm", "HEAD"
end
print(" " .. pkg.name .. "-" .. pkg_version .. " (" .. pkg.path .. ", " .. pkg_tag .. ")")
if pkg.depends then
for _, dep in pairs(pkg.depends) do
if type(dep) ~= "table" then
local found = depends.sort_by_versions(depends.find_packages(dep, dep_manifest))[1]
if not found then
print("Could not find the dependency '" .. dep .. "' in the dependency manifest.")
os.exit(1)
end
print(" * " .. found.name .. "-" .. found.version .. " (" .. found.path .. ", " .. found.version .. ")")
end
end
end
print()
end
end
end
return 0
end
},
-- Selftest of LuaDist.
["selftest"] = {
help = [[
Usage: luadist [TEST_DIRECTORY] selftest [-VARIABLES...]
The 'selftest' command runs tests of LuaDist, located in TEST_DIRECTORY and
displays the results.
If no TEST_DIRECTORY is specified, the default test directory of LuaDist
deployment directory (i.e. ']] .. cfg.test_dir .. [[') is used.
Optional LuaDist configuration VARIABLES (e.g. -variable=value) can be
specified.
]],
run = function (test_dir)
test_dir = test_dir or dist.get_deploy_dir()
assert(type(test_dir) == "string", "luadist.selftest: Argument 'deploy_dir' is not a string.")
test_dir = sys.abs_path(test_dir)
-- if the default parameter (i.e. deploy_dir) is passed, use the default test_dir
if test_dir == dist.get_deploy_dir() then
test_dir = sys.make_path(test_dir, cfg.test_dir)
end
-- try to get an iterator over test files and check it
local test_iterator, err = sys.get_directory(test_dir)
if not test_iterator then
print("Running tests from '" .. test_dir .. "' failed: " .. err)
os.exit(1)
end
-- run the tests
print("\nRunning tests:")
print("==============")
for test_file in sys.get_directory(test_dir) do
test_file = sys.make_path(test_dir, test_file)
if sys.is_file(test_file) then
print()
print(sys.extract_name(test_file) .. ":")
dofile(test_file)
end
end
print()
return 0
end
},
}
-- Run the functionality of LuaDist 'command' in the 'deploy_dir' with other items
-- or settings/variables starting at 'other_idx' index of special variable 'arg'.
local function run_command(deploy_dir, command, other_idx)
deploy_dir = deploy_dir or dist.get_deploy_dir()
assert(type(deploy_dir) == "string", "luadist.run_command: Argument 'deploy_dir' is not a string.")
assert(type(command) == "string", "luadist.run_command: Argument 'command' is not a string.")
assert(not other_idx or type(other_idx) == "number", "luadist.run_command: Argument 'other_idx' is not a number.")
deploy_dir = sys.abs_path(deploy_dir)
local items = {}
local cmake_variables = {}
-- parse items after the command (and LuaDist or CMake variables)
if other_idx then
for i = other_idx, #arg do
-- CMake variable
if arg[i]:match("^%-D(.-)=(.*)$") then
local variable, value = arg[i]:match("^%-D(.-)=(.*)$")
cmake_variables[variable] = value
-- LuaDist variable
elseif arg[i]:match("^%-(.-)=(.*)$") then
local variable, value = arg[i]:match("^%-(.-)=(.*)$")
apply_settings(variable, value)
-- LuaDist boolean variable with implicit 'true' value
elseif arg[i]:match("^%-(.-)$") then
local variable, value = arg[i]:match("^%-(.-)$")
apply_settings(variable, "true")
-- not a LuaDist or CMake variable
else
table.insert(items, arg[i])
end
end
end
-- run the required LuaDist functionality
return commands[command].run(sys.abs_path(deploy_dir), items, cmake_variables)
end
-- Print information about Luadist (version, license, etc.).
function print_info()
print([[
LuaDist-git ]].. cfg.version .. [[ - Lua package manager for the LuaDist deployment system.
Released under the MIT License. See https://github.com/luadist/luadist-git
]])
return 0
end
-- Convenience function for printing the main luadist help.
function print_help()
return run_command(nil, "help")
end
-- Set the LuaDist 'variable' to the 'value'.
-- See available settings in 'dist.config' module.
function apply_settings(variable, value)
assert(type(variable) == "string", "luadist.apply_settings: Argument 'variable' is not a string.")
assert(type(value) == "string", "luadist.apply_settings: Argument 'value' is not a string.")
-- check whether the settings variable exists
if cfg[variable] == nil then
print("Unknown LuaDist configuration option: '" .. variable .. "'.")
os.exit(1)
-- ensure the right type
elseif type(cfg[variable]) == "boolean" then
value = value:lower()
if value == "true" or value == "yes" or value == "on" or value == "1" then
value = true
elseif value == "false" or value == "no" or value == "off" or value == "0" then
value = false
else
print("Value of LuaDist option '" .. variable .. "' must be a boolean.")
os.exit(1)
end
elseif type(cfg[variable]) == "number" then
value = tonumber(value)
if not value then
print("Value of LuaDist option '" .. variable .. "' must be a number.")
os.exit(1)
end
elseif type(cfg[variable]) == "table" then
local err
value, err = utils.make_table(value, ",")
if not value then
print("Error when parsing the LuaDist variable '" .. variable .. "': " .. err)
os.exit(1)
end
end
-- set the LuaDist variable
cfg[variable] = value
end
-- Parse command line input and run the required command.
if not commands[arg[1]] and commands[arg[2]] then
-- deploy_dir specified
return run_command(arg[1], arg[2], 3)
elseif commands[arg[1]] then
-- deploy_dir not specified
return run_command(dist.get_deploy_dir(), arg[1], 2)
else
-- unknown command
if arg[1] then
print("Unknown command '" .. arg[1] .. "'. Printing help...\n")
print_help()
os.exit(1)
end
return print_help()
end