From 298366a0aa76f5dc645ae38d7c04364e224ed7f3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mika=C3=ABl=20Cluseau?= <mikael.cluseau@gmail.com>
Date: Wed, 3 Dec 2025 12:54:45 +0100
Subject: [PATCH] Config: query files

---
 src/dls.rs |  3 +++
 src/lib.rs | 15 +++++++++++++--
 2 files changed, 16 insertions(+), 2 deletions(-)

diff --git a/src/dls.rs b/src/dls.rs
index 91c0c62..18f385c 100644
--- a/src/dls.rs
+++ b/src/dls.rs
@@ -189,10 +189,13 @@ pub struct HostConfig {
     pub kernel: String,
     pub versions: Map<String, String>,
 
+    /// initrd config template
     pub bootstrap_config: String,
+    /// files to add to the final initrd config, with rendering
     #[serde(default, skip_serializing_if = "Vec::is_empty")]
     pub initrd_files: Vec<crate::File>,
 
+    /// system config template
     pub config: String,
 }
 
diff --git a/src/lib.rs b/src/lib.rs
index c634283..f5126bf 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -52,7 +52,7 @@ pub struct User {
     pub gid: Option<u32>,
 }
 
-#[derive(Debug, serde::Deserialize, serde::Serialize)]
+#[derive(Debug, PartialEq, Eq, serde::Deserialize, serde::Serialize)]
 pub struct File {
     pub path: String,
     #[serde(skip_serializing_if = "Option::is_none")]
@@ -61,10 +61,21 @@ pub struct File {
     pub kind: FileKind,
 }
 
-#[derive(Debug, serde::Deserialize, serde::Serialize)]
+#[derive(Debug, PartialEq, Eq, serde::Deserialize, serde::Serialize)]
 #[serde(rename_all = "snake_case")]
 pub enum FileKind {
     Content(String),
     Symlink(String),
     Dir(bool),
 }
+
+// ------------------------------------------------------------------------
+
+impl Config {
+    pub fn has_file(&self, path: &str) -> bool {
+        self.files.iter().any(|f| f.path == path)
+    }
+    pub fn file(&self, path: &str) -> Option<&File> {
+        self.files.iter().find(|f| f.path == path)
+    }
+}