debugmergestate: show extras for files which are not in mergestate

With recent changes and future changes, we will like to store extras information
about files which were merged automatically. Hence, we will have merge extras
for files which are not in the mergestate.

Differential Revision: https://phab.mercurial-scm.org/D8942

mercurial/debugcommands.py

@@ -2016,6 +2016,7 b' def debugmergestate(ui, repo, *args, **o'
             b'")}'
             b'{extras % "  extra: {key} = {value}\n"}'
             b'"}'
+            b'{extras % "extra: {file} ({key} = {value})\n"}'
         )
 
     ms = mergestatemod.mergestate.read(repo)
@@ -2069,6 +2070,18 b' def debugmergestate(ui, repo, *args, **o'
 
     fm_files.end()
 
+    fm_extras = fm.nested(b'extras')
+    for f, d in sorted(pycompat.iteritems(ms._stateextras)):
+        if f in ms:
+            # If file is in mergestate, we have already processed it's extras
+            continue
+        for k, v in pycompat.iteritems(d):
+            fm_extras.startitem()
+            fm_extras.data(file=f)
+            fm_extras.data(key=k)
+            fm_extras.data(value=v)
+    fm_extras.end()
+
     fm.end()
 
 

tests/test-resolve.t

@@ -328,6 +328,7 b' test json output'
   [
    {
     "commits": [{"label": "working copy", "name": "local", "node": "57653b9f834a4493f7240b0681efcb9ae7cab745"}, {"label": "merge rev", "name": "other", "node": "dc77451844e37f03f5c559e3b8529b2b48d381d1"}],
+    "extras": [],
     "files": [{"ancestor_node": "2ed2a3912a0b24502043eae84ee4b279c18b90dd", "ancestor_path": "file1", "extras": [{"key": "ancestorlinknode", "value": "99726c03216e233810a2564cbc0adfe395007eac"}], "local_flags": "", "local_key": "60b27f004e454aca81b0480209cce5081ec52390", "local_path": "file1", "other_node": "6f4310b00b9a147241b071a60c28a650827fb03d", "other_path": "file1", "path": "file1", "state": "r"}, {"ancestor_node": "2ed2a3912a0b24502043eae84ee4b279c18b90dd", "ancestor_path": "file2", "extras": [{"key": "ancestorlinknode", "value": "99726c03216e233810a2564cbc0adfe395007eac"}], "local_flags": "", "local_key": "cb99b709a1978bd205ab9dfd4c5aaa1fc91c7523", "local_path": "file2", "other_node": "6f4310b00b9a147241b071a60c28a650827fb03d", "other_path": "file2", "path": "file2", "state": "u"}]
    }
   ]