enh: add hash when copying derivatives

Author: mgxd

nibabies/utils/derivatives.py

@@ -136,6 +136,7 @@ def copy_derivatives(
     modality: str,
     subject_id: str,
     session_id: str | None = None,
+    config_hash: str | None = None,
 ) -> None:
     """
     Creates a copy of any found derivatives into output directory.
@@ -154,8 +155,19 @@ def copy_derivatives(
         if not isinstance(deriv, str):
             continue
         deriv = Path(deriv)
-
-        shutil.copy2(deriv, outpath / deriv.name)
+        outname = deriv.name
+
+        if config_hash:
+            ents = outname.split('_')
+            if any(ent.startswith('hash-') for ent in ents):
+                # Avoid adding another hash
+                pass
+            else:
+                idx = 2 if ents[1].startswith('ses-') else 1
+                ents.insert(idx, f'hash-{config_hash}')
+                outname = '_'.join(ents)
+
+        shutil.copy2(deriv, outpath / outname)
         json = deriv.parent / (deriv.name.split('.')[0] + '.json')
         if json.exists():
             shutil.copy2(json, outpath / json.name)

nibabies/workflows/base.py

@@ -330,6 +330,9 @@ def init_single_subject_wf(
                 modality='anat',
                 subject_id=f'sub-{subject_id}',
                 session_id=f'ses-{session_id}' if session_id else None,
+                config_hash=config.execution.parameters_hash
+                if config.execution.output_layout == 'multiverse'
+                else None,
             )
 
     # Determine some session level options here, as we should have
@@ -738,6 +741,9 @@ def init_single_subject_wf(
                     modality='func',
                     subject_id=f'sub-{subject_id}',
                     session_id=f'ses-{session_id}' if session_id else None,
+                    config_hash=config.execution.parameters_hash
+                    if config.execution.output_layout == 'multiverse'
+                    else None,
                 )
 
         bold_wf = init_bold_wf(