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--- @module luarocks.path_cmd
-- Driver for the `luarocks path` command.
local path_cmd = {}
local util = require("luarocks.util")
local deps = require("luarocks.deps")
local cfg = require("luarocks.cfg")
path_cmd.help_summary = "Return the currently configured package path."
path_cmd.help_arguments = ""
path_cmd.help = [[
Returns the package path currently configured for this installation
of LuaRocks, formatted as shell commands to update LUA_PATH and LUA_CPATH.
--bin Adds the system path to the output
--append Appends the paths to the existing paths. Default is to prefix
the LR paths to the existing paths.
--lr-path Exports the Lua path (not formatted as shell command)
--lr-cpath Exports the Lua cpath (not formatted as shell command)
--lr-bin Exports the system path (not formatted as shell command)
On Unix systems, you may run:
eval `luarocks path`
And on Windows:
luarocks path > "%temp%\_lrp.bat" && call "%temp%\_lrp.bat" && del "%temp%\_lrp.bat"
]]
--- Driver function for "path" command.
-- @return boolean This function always succeeds.
function path_cmd.run(...)
local flags = util.parse_flags(...)
local deps_mode = deps.get_deps_mode(flags)
local lr_path, lr_cpath, lr_bin = cfg.package_paths()
local path_sep = cfg.export_path_separator
if flags["lr-path"] then
util.printout(util.remove_path_dupes(lr_path, ';'))
return true
elseif flags["lr-cpath"] then
util.printout(util.remove_path_dupes(lr_cpath, ';'))
return true
elseif flags["lr-bin"] then
util.printout(util.remove_path_dupes(lr_bin, path_sep))
return true
end
if flags["append"] then
lr_path = package.path .. ";" .. lr_path
lr_cpath = package.cpath .. ";" .. lr_cpath
lr_bin = os.getenv("PATH") .. path_sep .. lr_bin
else
lr_path = lr_path.. ";" .. package.path
lr_cpath = lr_cpath .. ";" .. package.cpath
lr_bin = lr_bin .. path_sep .. os.getenv("PATH")
end
util.printout(cfg.export_lua_path:format(util.remove_path_dupes(lr_path, ';')))
util.printout(cfg.export_lua_cpath:format(util.remove_path_dupes(lr_cpath, ';')))
if flags["bin"] then
util.printout(cfg.export_path:format(util.remove_path_dupes(lr_bin, path_sep)))
end
return true
end
return path_cmd
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