1 files changed, 24 insertions, 0 deletions
diff --git a/crates/shirabe/src/repository/installed_array_repository.rs b/crates/shirabe/src/repository/installed_array_repository.rs
index 382e277..e6752df 100644
--- a/crates/shirabe/src/repository/installed_array_repository.rs
+++ b/crates/shirabe/src/repository/installed_array_repository.rs
@@ -1 +1,25 @@
 //! ref: composer/src/Composer/Repository/InstalledArrayRepository.php
+
+use crate::repository::installed_repository_interface::InstalledRepositoryInterface;
+use crate::repository::writable_array_repository::WritableArrayRepository;
+
+#[derive(Debug)]
+pub struct InstalledArrayRepository {
+    inner: WritableArrayRepository,
+}
+
+impl InstalledArrayRepository {
+    pub fn get_repo_name(&self) -> String {
+        format!("installed {}", self.inner.get_repo_name())
+    }
+}
+
+impl InstalledRepositoryInterface for InstalledArrayRepository {
+    fn get_dev_mode(&self) -> Option<bool> {
+        self.inner.get_dev_mode()
+    }
+
+    fn is_fresh(&self) -> bool {
+        self.inner.count() == 0
+    }
+}