1 files changed, 30 insertions, 0 deletions
diff --git a/lib/Carton/Snapshot/Emitter.pm b/lib/Carton/Snapshot/Emitter.pm
new file mode 100644
index 0000000..9486ba7
--- /dev/null
+++ b/lib/Carton/Snapshot/Emitter.pm
@@ -0,0 +1,30 @@
+package Carton::Snapshot::Emitter;
+use Class::Tiny;
+use warnings NONFATAL => 'all';
+
+sub emit {
+    my($self, $snapshot) = @_;
+
+    my $data = '';
+    $data .= "# carton snapshot format: version @{[$snapshot->version]}\n";
+    $data .= "DISTRIBUTIONS\n";
+
+    for my $dist (sort { $a->name cmp $b->name } $snapshot->distributions) {
+        $data .= "  @{[$dist->name]}\n";
+        $data .= "    pathname: @{[$dist->pathname]}\n";
+
+        $data .= "    provides:\n";
+        for my $package (sort keys %{$dist->provides}) {
+            $data .= "      $package @{[$dist->provides->{$package}{version} || 'undef' ]}\n";
+        }
+
+        $data .= "    requirements:\n";
+        for my $module (sort $dist->required_modules) {
+            $data .= "      $module @{[ $dist->requirements_for_module($module) || '0' ]}\n";
+        }
+    }
+
+    $data;
+}
+
+1;