Phase 30: complete configurable installation and release qualification

tools/dist.py

@@ -2,6 +2,7 @@
 """Deterministic source archive using indexed files, or an exported manifest."""
 import argparse
 import gzip
+import hashlib
 import io
 import json
 import os
@@ -70,7 +71,9 @@ def archive(root, output):
     finally:
         if os.path.exists(temporary):
             os.unlink(temporary)
-    print(output)
+    sha = hashlib.sha256(output.read_bytes()).hexdigest()
+    output.with_name(output.name + '.sha256').write_text(f'{sha}  {output.name}\n')
+    print(f'{output}: {sha}')
 
 
 if __name__ == '__main__':