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--- @module luarocks.which_cmd
-- Driver for the `luarocks which` command.
local which_cmd = {}
local loader = require("luarocks.loader")
local cfg = require("luarocks.core.cfg")
local util = require("luarocks.util")
function which_cmd.add_to_parser(parser)
local cmd = parser:command("which", 'Given a module name like "foo.bar", '..
"output which file would be loaded to resolve that module by "..
'luarocks.loader, like "/usr/local/lua/'..cfg.lua_version..'/foo/bar.lua".',
util.see_also())
:summary("Tell which file corresponds to a given module name.")
cmd:argument("modname", "Module name.")
end
--- Driver function for "which" command.
-- @return boolean This function terminates the interpreter.
function which_cmd.command(args)
local pathname, rock_name, rock_version, where = loader.which(args.modname, "lp")
if pathname then
util.printout(pathname)
if where == "l" then
util.printout("(provided by " .. tostring(rock_name) .. " " .. tostring(rock_version) .. ")")
else
local key = rock_name
util.printout("(found directly via package." .. key.. " -- not installed as a rock?)")
end
return true
end
return nil, "Module '" .. args.modname .. "' not found."
end
return which_cmd
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