moonbuild/out/moonbuild

#!/usr/bin/env lua5.3
local loadfile
loadfile = require('moonscript.base').loadfile
local Context, DepGraph, Executor
do
  local _obj_0 = require('moonbuild')
  Context, DepGraph, Executor = _obj_0.Context, _obj_0.DepGraph, _obj_0.Executor
end
local Variable = (require('moonbuild'))['core.Variable']
local parseargs
parseargs = (require('moonbuild'))['_cmd.common'].parseargs
local argparse = require('argparse')
local sort, concat
do
  local _obj_0 = table
  sort, concat = _obj_0.sort, _obj_0.concat
end
local exit
exit = os.exit
local parser
do
  local _with_0 = argparse("moonbuild", "A build system in moonscript")
  _with_0:option('-b --buildfile', "Build file to use", 'Build.moon')
  _with_0:option('-j --parallel', "Sets the number of parallel tasks, 'y' to run as many as we have cores", '1')
  _with_0:flag('-l --list', "List the targets", false)
  _with_0:flag('-V --list-variables', "List the variables", false)
  _with_0:flag('-q --quiet', "Don't print targets as they are being built", false)
  _with_0:flag('-f --force', "Always rebuild every target", false)
  _with_0:flag('-v --verbose', "Be verbose", false);
  (_with_0:option('-u --unset', "Unsets a variable")):count('*');
  (_with_0:option('-s --set', "Sets a variable")):args(2):count('*');
  (_with_0:option('-S --set-list', "Sets a variable to a list")):args(2):count('*');
  (_with_0:argument('targets', "Targets to build")):args('*')
  _with_0:add_complete()
  parser = _with_0
end
local args = parser:parse()
local overrides = { }
local _list_0 = args.unset
for _index_0 = 1, #_list_0 do
  local unset = _list_0[_index_0]
  overrides[unset] = Variable.NIL
end
local _list_1 = args.set
for _index_0 = 1, #_list_1 do
  local set = _list_1[_index_0]
  overrides[set[1]] = set[2]
end
local _list_2 = args.set_list
for _index_0 = 1, #_list_2 do
  local set = _list_2[_index_0]
  overrides[set[1]] = parseargs(set[2])
end
args.parallel = args.parallel == 'y' and 'y' or ((tonumber(args.parallel)) or error("Invalid argument for -j: " .. tostring(args.parallel)))
if args.parallel ~= 'y' and (args.parallel < 1 or args.parallel % 1 ~= 0) then
  error("Invalid argument for -j: " .. tostring(args.parallel))
end
if args.verbose then
  print("Parsed CLI args")
end
local ctx = Context()
ctx:load((loadfile(args.buildfile)), overrides)
if args.verbose then
  print("Loaded buildfile")
end
if args.list then
  print("Public targets")
  local targets, n = { }, 1
  local _list_3 = ctx.targets
  for _index_0 = 1, #_list_3 do
    local t = _list_3[_index_0]
    if t.public then
      targets[n], n = t.name, n + 1
    end
  end
  sort(targets)
  print(concat(targets, ", "))
  print()
  if not (args.list_variables) then
    exit(0)
  end
end
if args.list_variables then
  print("Public variables")
  local vars, n = { }, 1
  for k, v in pairs(ctx.variables) do
    if v.public then
      vars[n], n = k, n + 1
    end
  end
  sort(vars)
  print(concat(vars, ", "))
  print()
  exit(0)
end
ctx:init()
if args.verbose then
  print("Initialized buildfile")
end
local targets = #args.targets == 0 and ctx.defaulttargets or args.targets
local dag = DepGraph(ctx, targets)
if args.verbose then
  print("Created dependancy graph")
end
local nparallel = args.parallel == 'y' and Executor:getmaxparallel() or args.parallel
if args.verbose then
  print("Building with " .. tostring(nparallel) .. " max parallel process" .. tostring(nparallel > 1 and "es" or ""))
end
local executor = Executor(dag, nparallel)
executor:execute(args)
if args.verbose then
  return print("Finished")
end