create .github/workflows only when a github action is enabled

Author: fdiblen

copier.yml

@@ -15,21 +15,25 @@
 !include copier/questions/package_details.yml
 
 ---
-# code quality
+# code quality features
 !include copier/questions/features_code_quality.yml
 
 ---
-# publish and release
+# publish and release features
 !include copier/questions/features_publish_release.yml
 
 ---
-# publish and release
+# publish and release features
 !include copier/questions/features_documentation.yml
 
 ---
-# community
+# community features
 !include copier/questions/features_community.yml
 
+---
+# global flags
+!include copier/global_flags.yml
+
 ---
 # User messages
 !include copier/messages.yml

copier/global_flags.yml

@@ -0,0 +1,16 @@
+---
+# Computed values that depend on multiple values
+
+HasWorkflows:
+  type: bool
+  default: "{{
+    AddGitHubActionBuild
+    or AddGitHubActionDocumentation
+    or AddLinkCheck
+    or AddCFFConvert
+    or AddCitation
+    or AddOnlineDocumentation
+    or AddSonarCloud
+    or AddZenodo
+    or AddLinting }}"
+  when: false