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82 lines
2.6 KiB
82 lines
2.6 KiB
-- load everything we need
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import loadfile from require 'moonscript.base'
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import Context, DepGraph, Executor from require 'moonbuild'
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Variable = require 'moonbuild.core.Variable'
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import verbose from require 'moonbuild._common'
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import parseargs from require 'moonbuild._cmd.common'
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argparse = require 'argparse'
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import sort, concat from table
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import exit from os
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-- parse the arguments
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parser = with argparse "moonbuild", "A build system in moonscript"
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\option '-b --buildfile', "Build file to use", 'Build.moon'
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\option '-j --parallel', "Sets the number of parallel tasks, 'y' to run as many as we have cores", '1'
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\flag '-l --list', "List the targets", false
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\flag '-V --list-variables', "List the variables", false
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\flag '-q --quiet', "Don't print targets as they are being built", false
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\flag '-f --force', "Always rebuild every target", false
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\flag '-v --verbose', "Be verbose", false
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(\option '-u --unset', "Unsets a variable")\count '*'
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(\option '-s --set', "Sets a variable")\args(2)\count '*'
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(\option '-S --set-list', "Sets a variable to a list")\args(2)\count '*'
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(\argument 'targets', "Targets to build")\args '*'
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\add_complete!
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args = parser\parse!
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overrides = {}
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for unset in *args.unset
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overrides[unset] = Variable.NIL
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for set in *args.set
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overrides[set[1]] = set[2]
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for set in *args.set_list
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overrides[set[1]] = parseargs set[2]
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args.parallel = args.parallel == 'y' and 'y' or ((tonumber args.parallel) or error "Invalid argument for -j: #{args.parallel}")
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error "Invalid argument for -j: #{args.parallel}" if args.parallel != 'y' and (args.parallel<1 or args.parallel%1 != 0)
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verbose args.verbose or false
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verbose "Parsed CLI args"
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-- load the buildfile
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ctx = Context!
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ctx\load (loadfile args.buildfile), overrides
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verbose "Loaded buildfile"
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-- handle -l and -V
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if args.list
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print "Public targets"
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targets, n = {}, 1
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for t in *ctx.targets
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if t.public
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targets[n], n = t.name, n+1
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sort targets
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print concat targets, ", "
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print!
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exit 0 unless args.list_variables
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if args.list_variables
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print "Public variables"
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vars, n = {}, 1
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for k, v in pairs ctx.variables
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if v.public
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vars[n], n = k, n+1
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sort vars
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print concat vars, ", "
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print!
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exit 0
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-- initialize the buildfile further
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ctx\init!
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verbose "Initialized buildfile"
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-- create the DAG
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targets = #args.targets==0 and ctx.defaulttargets or args.targets
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dag = DepGraph ctx, targets
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verbose print "Created dependancy graph"
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-- execute the build
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nparallel = args.parallel == 'y' and Executor\getmaxparallel! or args.parallel
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verbose "Building with #{nparallel} max parallel process#{nparallel>1 and "es" or ""}"
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executor = Executor dag, nparallel
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executor\execute args
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verbose "Finished"
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