Fixed component recursive hash computation

orchestra/model/configuration.py

@@ -243,19 +243,26 @@ def set_build_hash(build: "bld.Build"):
     if build.recursive_hash is not None:
         return
 
+    # The recursive hash of a build depends on all its configure and install dependencies
     all_builds = {d.build for d in build.configure.external_dependencies}
+    # TODO: are install dependencies required to be part of the information to hash?
+    #  In theory they should not influence the artifacts
     all_builds.update({d.build for d in build.install.external_dependencies})
-    all_builds = {b for b in all_builds if b.component is not build.component}
+    # TODO: should all other builds from the same component be filtered out or just the very same build?
+    # all_builds = {b for b in all_builds if b.component is not build.component}
+    # Filter out the same build
+    all_builds = [b for b in all_builds if b != build]
 
-    # Ensure all dependencies hashes are computed
+    # Ensure the recursive hash of all dependencies is computed
     for b in all_builds:
         set_build_hash(b)
 
-    sorted_dependencies = [(b.qualified_name, b) for b in all_builds]
-    sorted_dependencies.sort()
+    # sorted_dependencies = [(b.qualified_name, b) for b in all_builds]
+    # sorted_dependencies.sort()
+    all_builds.sort(key=lambda b: b.qualified_name)
 
     to_hash = build.self_hash
-    for _, b in sorted_dependencies:
-        to_hash += b.self_hash
+    for b in all_builds:
+        to_hash += b.recursive_hash
 
     build.recursive_hash = hashlib.sha1(to_hash.encode("utf-8")).hexdigest()