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local init = {}
local cfg = require("luarocks.core.cfg")
local fs = require("luarocks.fs")
local path = require("luarocks.path")
local deps = require("luarocks.deps")
local dir = require("luarocks.dir")
local util = require("luarocks.util")
local persist = require("luarocks.persist")
local write_rockspec = require("luarocks.cmd.write_rockspec")
init.help_summary = "Initialize a directory for a Lua project using LuaRocks."
init.help_arguments = "[<name> [<version>]]"
init.help = [[
<name> is the project name.
<version> is an optional project version.
--reset Delete .luarocks/config-5.x.lua and ./lua
and generate new ones.
Options for specifying rockspec data:
--license="<string>" A license string, such as "MIT/X11" or "GNU GPL v3".
--summary="<txt>" A short one-line description summary.
--detailed="<txt>" A longer description string.
--homepage=<url> Project homepage.
--lua-versions=<ver> Supported Lua versions. Accepted values are "5.1", "5.2",
"5.3", "5.1,5.2", "5.2,5.3", or "5.1,5.2,5.3".
--rockspec-format=<ver> Rockspec format version, such as "1.0" or "1.1".
--lib=<lib>[,<lib>] A comma-separated list of libraries that C files need to
link to.
]]
local function write_gitignore(entries)
local gitignore = ""
local fd = io.open(".gitignore", "r")
if fd then
gitignore = fd:read("*a")
fd:close()
gitignore = "\n" .. gitignore .. "\n"
end
fd = io.open(".gitignore", gitignore and "a" or "w")
for _, entry in ipairs(entries) do
entry = "/" .. entry
if not gitignore:find("\n"..entry.."\n", 1, true) then
fd:write(entry.."\n")
end
end
fd:close()
end
--- Driver function for "init" command.
-- @return boolean: True if succeeded, nil on errors.
function init.command(flags, name, version)
local pwd = fs.current_dir()
if not name then
name = dir.base_name(pwd)
if name == "/" then
return nil, "When running from the root directory, please specify the <name> argument"
end
end
util.title("Initializing project '" .. name .. "' for Lua " .. cfg.lua_version .. " ...")
util.printout("Checking your Lua installation ...")
if not cfg.lua_found then
return nil, "Lua installation is not found."
end
local ok, err = deps.check_lua(cfg.variables)
if not ok then
return nil, err
end
local has_rockspec = false
for file in fs.dir() do
if file:match("%.rockspec$") then
has_rockspec = true
break
end
end
if not has_rockspec then
local ok, err = write_rockspec.command(flags, name, version or "dev", pwd)
if not ok then
util.printerr(err)
end
end
local ext = cfg.wrapper_suffix
local luarocks_wrapper = "luarocks" .. ext
local lua_wrapper = "lua" .. ext
util.printout("Adding entries to .gitignore ...")
write_gitignore({ luarocks_wrapper, lua_wrapper, "lua_modules", ".luarocks" })
util.printout("Preparing ./.luarocks/ ...")
fs.make_dir(".luarocks")
local config_file = ".luarocks/config-" .. cfg.lua_version .. ".lua"
if flags["reset"] then
fs.delete(lua_wrapper)
fs.delete(config_file)
end
local config_tbl, err = persist.load_config_file_if_basic(config_file, cfg)
if config_tbl then
local globals = {
"lua_interpreter",
}
for _, v in ipairs(globals) do
if cfg[v] then
config_tbl[v] = cfg[v]
end
end
local varnames = {
"LUA_DIR",
"LUA_INCDIR",
"LUA_LIBDIR",
"LUA_BINDIR",
"LUA_INTERPRETER",
}
for _, varname in ipairs(varnames) do
if cfg.variables[varname] then
config_tbl.variables = config_tbl.variables or {}
config_tbl.variables[varname] = cfg.variables[varname]
end
end
local ok, err = persist.save_from_table(config_file, config_tbl)
if ok then
util.printout("Wrote " .. config_file)
else
util.printout("Failed writing " .. config_file .. ": " .. err)
end
else
util.printout("Will not attempt to overwrite " .. config_file)
end
ok, err = persist.save_default_lua_version(".luarocks", cfg.lua_version)
if not ok then
util.printout("Failed setting default Lua version: " .. err)
end
util.printout("Preparing ./lua_modules/ ...")
fs.make_dir("lua_modules/lib/luarocks/rocks-" .. cfg.lua_version)
local tree = dir.path(pwd, "lua_modules")
luarocks_wrapper = dir.path(".", luarocks_wrapper)
if not fs.exists(luarocks_wrapper) then
util.printout("Preparing " .. luarocks_wrapper .. " ...")
fs.wrap_script(arg[0], "luarocks", "none", nil, nil, "--project-tree", tree)
else
util.printout(luarocks_wrapper .. " already exists. Not overwriting it!")
end
lua_wrapper = dir.path(".", lua_wrapper)
local write_lua_wrapper = true
if fs.exists(lua_wrapper) then
if not util.lua_is_wrapper(lua_wrapper) then
util.printout(lua_wrapper .. " already exists and does not look like a wrapper script. Not overwriting.")
write_lua_wrapper = false
end
end
if write_lua_wrapper then
local interp = dir.path(cfg.variables["LUA_BINDIR"], cfg.lua_interpreter)
if util.check_lua_version(interp, cfg.lua_version) then
util.printout("Preparing " .. lua_wrapper .. " for version " .. cfg.lua_version .. "...")
path.use_tree(tree)
fs.wrap_script(nil, "lua", "all")
else
util.warning("No Lua interpreter detected for version " .. cfg.lua_version .. ". Not creating " .. lua_wrapper)
end
end
return true
end
return init
|
