Add schema validation for specific subsystems

- Create validation for existing schemas
- Validate only for subsystems with existing schemas
- Also add schemas for nodejs and rust

Co-authored-by: a-kenji <aks.kenji@protonmail.com>

src/specifications/subsystems/nodejs/dream-lock-schema.json

@@ -0,0 +1,15 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema",
+  "title": "manifest",
+  "type": "object",
+  "properties": {
+    "_subsystem": {
+      "type": "object",
+      "properties": {
+        "nodejsVersion": {
+          "type": "integer"
+        }
+      }
+    }
+  }
+}

src/specifications/subsystems/rust/dream-lock-schema.json

@@ -0,0 +1,53 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema",
+  "title": "manifest",
+  "type": "object",
+  "properties": {
+    "_subsystem": {
+      "type": "object",
+      "properties": {
+        "gitSources": {
+          "type": "array",
+          "items": {
+            "type": "object",
+            "properties": {
+              "url": {
+                "type": "string"
+              },
+              "sha": {
+                "type": "string"
+              },
+              "type": {
+                "type": "string"
+              },
+              "value": {
+                "type": "string"
+              }
+            },
+            "required": ["url", "sha", "type", "value"],
+            "additionalProperties": false
+          }
+        },
+        "relPathReplacements": {
+          "type": "object",
+          "properties": {
+            "^.*$": {
+              "type": "object",
+              "properties": {
+                "^.*$": {
+                  "type": "object",
+                  "properties": {
+                    "^.*$": {
+                      "type": "string"
+                    }
+                  }
+                }
+              }
+            },
+            "additionalProperties": false
+          }
+        }
+      }
+    }
+  }
+}

src/utils/default.nix

@@ -233,6 +233,18 @@ in
             --output pretty \
             ${../specifications/dream-lock-schema.json}
 
+          # if applicable, validate subsystem portion against jsonschema
+          subsystem=$(jq '._generic.subsystem' $dreamLockPath)
+          subsystem=''${subsystem%\"}
+          subsystem=''${subsystem#\"}
+          schema=${../specifications/subsystems}/$subsystem/dream-lock-schema.json
+          if [[ -f "$schema" ]]; then
+            ${python3.pkgs.jsonschema}/bin/jsonschema \
+                --instance $dreamLockPath \
+                --output pretty \
+                $schema
+          fi
+
           # add dream-lock.json to git
           if git rev-parse --show-toplevel &>/dev/null; then
             echo "adding file to git: $dreamLockPath"