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class Pies::Project {
has $.name;
has $.version;
has @.dependencies;
has %.metainfo;
subset State of Str where any(<absent installed-dep installed>);
}
role Pies::Ecosystem {
method add-project(Pies::Project $p) { !!! }
method get-project($p as Str) { !!! }
method project-set-state(Pies::Project $p,
Pies::Project::State $s) { !!! }
method project-get-state(Pies::Project $p) { !!! }
}
role Pies::Fetcher {
method fetch(Pies::Project) { !!! }
}
role Pies::Builder {
method build(Pies::Project) { !!! }
}
role Pies::Tester {
method test(Pies::Project) { !!! }
}
role Pies::Installer {
method install(Pies::Project) { !!! }
}
class Pies {
has Pies::Ecosystem $.ecosystem;
has Pies::Fetcher $.fetcher;
has Pies::Builder $.builder;
has Pies::Tester $.tester;
has Pies::Installer $.installer;
method announce(Str $what, $data) { }
method fetch-helper(Pies::Project $bone) {
self.announce('fetching', $bone);
$!fetcher.fetch($bone);
}
method build-helper(Pies::Project $bone) {
self.announce('building', $bone);
$!builder.build($bone);
}
method test-helper(Pies::Project $bone) {
self.announce('testing', $bone);
$!tester.test($bone);
}
method install-helper(Pies::Project $bone) {
self.announce('installing', $bone);
$!installer.install($bone);
}
method deps-helper(Pies::Project $bone) {
return unless $bone.dependencies[0];
# return a list of projects to be installed
my @deps = $bone.dependencies.map: {
my $littlebone = $.ecosystem.get-project($_)
or die "{$bone.name} depends on $_, "
~ "which was not found in the ecosystem";
next unless $.ecosystem.project-get-state($littlebone)
eq 'absent';
$littlebone;
};
self.announce('depends', $bone => @deps».name) if +@deps;
return @deps;
}
method resolve-helper(Pies::Project $bone, $nodeps,
$notests, $isdep as Bool) {
unless $nodeps {
for self.deps-helper($bone) {
self.resolve-helper($_, $nodeps, $notests, 1);
}
}
self.fetch-helper($bone);
self.build-helper($bone);
self.test-helper($bone) unless $notests;
self.install-helper($bone);
$.ecosystem.project-set-state($bone, $isdep ?? 'installed-dep'
!! 'installed');
self.announce('success', $bone);
}
method resolve($proj as Str, Bool :$nodeps, Bool :$notests) {
my $bone = $.ecosystem.get-project($proj)
or die "Project $proj not found in the ecosystem";
self.resolve-helper($bone, $nodeps, $notests, 0);
}
}
# vim: ft=perl6
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