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--- Module implementing the LuaRocks "lint" command.
-- Utility function that checks syntax of the rockspec.
local lint = {}
local util = require("luarocks.util")
local download = require("luarocks.download")
local fetch = require("luarocks.fetch")
lint.help_summary = "Check syntax of a rockspec."
lint.help_arguments = "<rockspec>"
lint.help = [[
This is a utility function that checks the syntax of a rockspec.
It returns success or failure if the text of a rockspec is
syntactically correct.
]]
function lint.command(flags, input)
if not input then
return nil, "Argument missing. "..util.see_help("lint")
end
local filename = input
if not input:match(".rockspec$") then
local err
filename, err = download.download("rockspec", input:lower())
if not filename then
return nil, err
end
end
local rs, err = fetch.load_local_rockspec(filename)
if not rs then
return nil, "Failed loading rockspec: "..err
end
local ok = true
-- This should have been done in the type checker,
-- but it would break compatibility of other commands.
-- Making 'lint' alone be stricter shouldn't be a problem,
-- because extra-strict checks is what lint-type commands
-- are all about.
if not rs.description.license then
util.printerr("Rockspec has no license field.")
ok = false
end
return ok, ok or filename.." failed consistency checks."
end
return lint
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