Account for ansi_color os-release compatability

Tbqh this is an ugly option but os-release propogates this to systemd
and such so we'd break branding integration immediately without it.

Signed-off-by: Ikey Doherty <ikey@aerynos.com>

Author: ikeycode

SPECIFICATION.md

@@ -36,6 +36,7 @@ The metadata section contains:
   - `id`: Unique OS identifier
   - `name`: Full OS name
   - `display`: Display name for presentation
+  - `ansi_color`: ANSI color escape sequence for terminal branding (optional)
   - `id_like`: Parent OS identifier (optional)
   - `former_identities`: Historical names and identifiers
 

crates/os-info/src/lib.rs

@@ -61,6 +61,8 @@ pub struct Identity {
     pub name: String,
     /// Display name/branding
     pub display: String,
+    /// ANSI terminal color code for branding
+    pub ansi_color: Option<String>,
     /// Previous identities/names
     pub former_identities: Vec<FormerIdentity>,
 }

crates/os-info/src/os_release.rs

@@ -115,6 +115,13 @@ impl From<&OSInfo> for OsRelease {
         // Set optional fields
         release.id_like = info.metadata.identity.id_like.clone();
 
+        // Set ANSI color if available
+        if let Some(ansi_color) = &info.metadata.identity.ansi_color {
+            release
+                .extra_fields
+                .insert("ANSI_COLOR".to_string(), ansi_color.clone());
+        }
+
         // Map website URLs based on their scope
         for site in info.resources.websites.values() {
             match site.scope {
@@ -207,6 +214,21 @@ mod tests {
         assert_eq!(shell_escape("with \"quotes\""), "\"with \\\"quotes\\\"\"");
     }
 
+    #[test]
+    fn test_ansi_color() {
+        let mut info = load_os_info(include_str!("../../../sample.json")).unwrap();
+        info.metadata.identity.ansi_color = Some("38;2;23;147;209".to_string());
+
+        let release = OsRelease::from(&info);
+        assert_eq!(
+            release.extra_fields.get("ANSI_COLOR"),
+            Some(&"38;2;23;147;209".to_string())
+        );
+
+        let output = release.to_string();
+        assert!(output.contains("ANSI_COLOR=\"38;2;23;147;209\"\n"));
+    }
+
     #[test]
     fn test_extra_fields() {
         let mut release = OsRelease::new(

sample.json

@@ -8,6 +8,7 @@
       "id_like": "linux",
       "name": "AerynOS",
       "display": "AerynOS 0.25.1",
+      "ansi_color": "1;35",
       "former_identities": [
         {
           "id": "serpent-os",

schema/0.1/os-info.schema.json

@@ -27,6 +27,10 @@
             "id_like": { "type": "string" },
             "name": { "type": "string" },
             "display": { "type": "string" },
+            "ansi_color": { 
+              "type": "string",
+              "description": "ANSI color escape sequence for terminal branding"
+            },
             "former_identities": {
               "type": "array",
               "items": {