fix(doc): Allow copying asset when dbt docs command is run outside th…

…e dbt project

.changes/unreleased/Fixes-20250116-192616.yaml

@@ -0,0 +1,6 @@
+kind: Fixes
+body: Allow copying asset when dbt docs command is run outside the dbt project
+time: 2025-01-16T19:26:16.160976423Z
+custom:
+    Author: cedric-orange
+    Issue: "9308"

.devcontainer/devcontainer.json

@@ -0,0 +1,35 @@
+{
+	"name": "Python 3",
+	"image": "docker.io/python:3.12",
+
+	"features": {
+		"ghcr.io/devcontainers/features/docker-in-docker:2": {},
+		"ghcr.io/devcontainers/features/common-utils:2": {},
+		"ghcr.io/devcontainers/features/github-cli:1": {},
+		"ghcr.io/devcontainers-extra/features/gh-release:1": {
+			"repo": "miniscruff/changie",
+			"binaryNames": ["changie"]
+		},
+		"ghcr.io/devcontainers-extra/features/pre-commit:2": {},
+		"ghcr.io/jungaretti/features/make:1": {},
+		"ghcr.io/devcontainers-extra/features/apt-get-packages:1": {
+			"packages": ["postgresql-client"]
+		}
+	},
+
+	"postCreateCommand": "make dev",
+
+	"customizations": {
+    	"vscode": {
+      		"extensions": [
+        		"mhutchie.git-graph",
+        		"ms-python.python",
+				"ms-python.flake8",
+				"ms-python.black-formatter"
+      		]
+    	}
+  	},
+
+	"runArgs": ["-e", "GITHUB_TOKEN=${localEnv:GITHUB_TOKEN}"]
+
+}

core/dbt/task/docs/generate.py

@@ -238,8 +238,10 @@ def run(self) -> CatalogArtifact:
             if os.path.exists(to_asset_path):
                 shutil.rmtree(to_asset_path)
 
-            if os.path.exists(asset_path):
-                shutil.copytree(asset_path, to_asset_path)
+            from_asset_path =  os.path.join(self.config.project_root, asset_path)
+
+            if os.path.exists(from_asset_path):
+                shutil.copytree(from_asset_path, to_asset_path)
 
         if self.manifest is None:
             raise DbtInternalError("self.manifest was None in run!")