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Panda.pm
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Panda.pm
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use v6;
use Panda::Ecosystem;
use Panda::Fetcher;
use Panda::Builder;
use Panda::Tester;
use Panda::Installer;
use Shell::Command;
use JSON::Tiny;
sub tmpdir {
state $i = 0;
".work/{time}_{$i++}"
}
class Panda {
has $.ecosystem;
has $.fetcher = Panda::Fetcher.new;
has $.builder = Panda::Builder.new;
has $.tester = Panda::Tester.new;
has $.installer = Panda::Installer.new;
multi method announce(Str $what) {
say "==> $what"
}
multi method announce('fetching', Panda::Project $p) {
self.announce: "Fetching {$p.name}"
}
multi method announce('building', Panda::Project $p) {
self.announce: "Building {$p.name}"
}
multi method announce('testing', Panda::Project $p) {
self.announce: "Testing {$p.name}"
}
multi method announce('installing', Panda::Project $p) {
self.announce: "Installing {$p.name}"
}
multi method announce('success', Panda::Project $p) {
self.announce: "Successfully installed {$p.name}"
}
multi method announce('depends', Pair $p) {
self.announce: "{$p.key.name} depends on {$p.value.join(", ")}"
}
method project-from-local($proj as Str) {
if $proj.IO ~~ :d and "$proj/META.info".IO ~~ :f {
my $mod = from-json slurp "$proj/META.info";
$mod<source-url> = $proj;
return Panda::Project.new(
name => $mod<name>,
version => $mod<version>,
dependencies => $mod<depends>,
metainfo => $mod,
);
}
return False;
}
method install(Panda::Project $bone, $nodeps,
$notests, $isdep as Bool) {
my $dir = tmpdir();
self.announce('fetching', $bone);
unless $bone.metainfo<source-url> {
die X::Panda.new($bone.name, 'fetch', 'source-url meta info missing')
}
$.fetcher.fetch($bone.metainfo<source-url>, $dir);
self.announce('building', $bone);
$.builder.build($dir);
unless $notests {
self.announce('testing', $bone);
$.tester.test($dir) unless $notests;
}
self.announce('installing', $bone);
$.installer.install($dir);
my $s = $isdep ?? Panda::Project::State::installed-dep
!! Panda::Project::State::installed;
$.ecosystem.project-set-state($bone, $s);
self.announce('success', $bone);
rm_rf $dir;
CATCH {
when X::Panda {
$_.module = $bone.name;
rm_rf $dir;
$_.throw;
}
}
}
method get-deps(Panda::Project $bone) {
my @bonedeps = $bone.dependencies.grep(*.defined).map({
$.ecosystem.get-project($_)
}).grep({
$.ecosystem.project-get-state($_) == Panda::Project::State::absent
});
return () unless +@bonedeps;
self.announce('depends', $bone => @bonedeps».name);
my @deps;
for @bonedeps -> $p {
@deps.push: self.get-deps($p), $p;
}
return @deps;
}
method resolve($proj as Str is copy, Bool :$nodeps, Bool :$notests) {
my $p = self.project-from-local($proj);
if $p {
if $.ecosystem.get-project($p.name) {
self.announce: "Installing {$p.name} "
~ "from a local directory '$proj'";
}
$.ecosystem.add-project($p);
$proj = $p.name;
}
my $bone = $.ecosystem.get-project($proj);
if not $bone {
my $suggestion = $.ecosystem.suggest-project($proj);
die "Project $proj not found in the ecosystem. Maybe you meant $suggestion?" if $suggestion;
die "Project $proj not found in the ecosystem";
}
unless $nodeps {
my @deps = self.get-deps($bone).uniq;
@deps.=grep: {
$.ecosystem.project-get-state($_)
== Panda::Project::absent
};
self.install($_, $nodeps, $notests, 1) for @deps;
}
self.install($bone, $nodeps, $notests, 0);
}
}
# vim: ft=perl6