diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 935d40b..a01a32c 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -35,6 +35,7 @@ jobs:
   build:
     needs: prepare
     uses: ./.github/workflows/_extension_distribution.yml
+    if: ${{ needs.prepare.outputs.COMMUNITY_EXTENSION_NAME != '' }}
     with:
       duckdb_version: v1.0.0
       extension_name: ${{ needs.prepare.outputs.COMMUNITY_EXTENSION_NAME }}
diff --git a/extensions/scrooge/description.yml b/extensions/scrooge/description.yml
new file mode 100644
index 0000000..89777ec
--- /dev/null
+++ b/extensions/scrooge/description.yml
@@ -0,0 +1,13 @@
+extension:
+  name: scrooge
+  description: Provides functionality for financial data-analysis
+  version: 0.0.1
+  language: C++
+  build: cmake
+  license: MIT
+  maintainers:
+    - pdet
+
+repo:
+  github: pdet/Scrooge-McDuck
+  ref: 9520aeba138a6bb43f766ed4f78accac026bfae0
\ No newline at end of file
diff --git a/scripts/build.py b/scripts/build.py
index 0e6e6e8..0bf4db1 100644
--- a/scripts/build.py
+++ b/scripts/build.py
@@ -1,17 +1,31 @@
 import os
+import sys
 import yaml
 
 # TODO: check prefix, needs to be in installation dir
 
-desc_files = os.environ['ALL_CHANGED_FILES'].split(' ')
-if len(desc_files) != 1:
+if 'ALL_CHANGED_FILES' in os.environ:
+	desc_files = os.environ['ALL_CHANGED_FILES'].split(' ')
+else:
+	desc_files = []
+
+print(f"Files changed: {desc_files}")
+
+if len(desc_files) > 1:
 	raise ValueError('cannot have multiple descriptors changed or packages with spaces in their names')
+
+if len(desc_files) == 0 or len(desc_files[0]) == 0:
+	print("No changed files, nothing will be built")
+	with open('env.sh', 'w+') as hdl:
+		hdl.write(f"COMMUNITY_EXTENSION_GITHUB=\n")
+		hdl.write(f"COMMUNITY_EXTENSION_REF=\n")
+		hdl.write(f"COMMUNITY_EXTENSION_NAME=\n")
+		sys.exit(os.EX_OK)
+
 desc_file = desc_files[0]
-if len(desc_file) == 0:
-        desc_file = 'extensions/quack/description.yml'
 
 with open(desc_file, 'r') as stream:
-    desc = yaml.safe_load(stream)
+	desc = yaml.safe_load(stream)
 
 print(desc)