Give the backups plugin a settings page, and show where a snapshot is

plugins/backups/services/partmarkerinfo.py

@@ -91,7 +91,7 @@ def _summarise(files):
 
 
 def build(projection, assetid, revisionid=None, sourcehostname=None,
-          **options):
+          sharepath=None, **options):
     """Build the card from a stored partmarker manifest.
 
     Returns the keyvalue shape. An older revision predating manifests has no
@@ -128,6 +128,14 @@ def build(projection, assetid, revisionid=None, sourcehostname=None,
     if systems:
         fields.append({'label': 'Authored for', 'value': ', '.join(systems)})
 
+    # The snapshot's own location, in full, as plain text. NOT a link: browsers
+    # refuse to navigate from an https page to file://, so a clickable path
+    # would look actionable and silently do nothing, which is worse than no
+    # link at all. The history page pairs the same string with a copy button;
+    # here it is what a tech reads or selects before pasting it into Explorer.
+    if sharepath:
+        fields.append({'label': 'Snapshot', 'value': sharepath, 'mono': True})
+
     # From the revision's own column where the caller passes it: the manifest
     # carries its own copy, and the two can disagree. The column is what the
     # collector recorded and what the diff above is chained on, so naming a

plugins/backups/services/registry.py

@@ -332,7 +332,8 @@ class PartMarkerKind(BackupKind):
         return partmarkerinfo.build(
             projection, assetid,
             revisionid=options.get('revisionid'),
-            sourcehostname=options.get('sourcehostname'))
+            sourcehostname=options.get('sourcehostname'),
+            sharepath=options.get('sharepath'))
 
     def resolveassetid(self, payload):
         from shopdb.api import db, Asset