--- a/mercurial/upgrade.py	Wed Dec 02 08:23:31 2020 +0100
+++ b/mercurial/upgrade.py	Mon Nov 30 14:07:23 2020 +0100
@@ -742,9 +742,9 @@
             destrepo.svfs.fncache.add(unencodedname[:-2] + b'.d')
 
 
-UPGRADE_CHANGELOG = object()
-UPGRADE_MANIFEST = object()
-UPGRADE_FILELOGS = object()
+UPGRADE_CHANGELOG = b"changelog"
+UPGRADE_MANIFEST = b"manifest"
+UPGRADE_FILELOGS = b"all-filelogs"
 
 UPGRADE_ALL_REVLOGS = frozenset(
     [UPGRADE_CHANGELOG, UPGRADE_MANIFEST, UPGRADE_FILELOGS]
@@ -1339,6 +1339,15 @@
         for a in actions:
             ui.status(b'%s\n   %s\n\n' % (a.name, a.upgrademessage))
 
+    def print_affected_revlogs():
+        if not revlogs:
+            ui.write((b'no revlogs to process\n'))
+        else:
+            ui.write((b'processed revlogs:\n'))
+            for r in sorted(revlogs):
+                ui.write((b'  - %s\n' % r))
+        ui.write((b'\n'))
+
     if not run:
         fromconfig = []
         onlydefault = []
@@ -1390,6 +1399,7 @@
         printrequirements()
         printoptimisations()
         printupgradeactions()
+        print_affected_revlogs()
 
         unusedoptimize = [i for i in alloptimizations if i not in actions]
 
@@ -1409,6 +1419,7 @@
     printrequirements()
     printoptimisations()
     printupgradeactions()
+    print_affected_revlogs()
 
     upgradeactions = [a.name for a in actions]
 

--- a/tests/test-copies-chain-merge.t	Wed Dec 02 08:23:31 2020 +0100
+++ b/tests/test-copies-chain-merge.t	Mon Nov 30 14:07:23 2020 +0100
@@ -664,6 +664,11 @@
      preserved: * (glob)
      added: exp-copies-sidedata-changeset, exp-sidedata-flag
   
+  processed revlogs:
+    - all-filelogs
+    - changelog
+    - manifest
+  
 #endif
 
 

--- a/tests/test-lfs-serve.t	Wed Dec 02 08:23:31 2020 +0100
+++ b/tests/test-lfs-serve.t	Mon Nov 30 14:07:23 2020 +0100
@@ -133,6 +133,11 @@
   requirements
      preserved: dotencode, fncache, generaldelta, revlogv1, sparserevlog, store
   
+  processed revlogs:
+    - all-filelogs
+    - changelog
+    - manifest
+  
 
   $ grep 'lfs' .hg/requires $SERVER_REQUIRES
   [1]

--- a/tests/test-persistent-nodemap.t	Wed Dec 02 08:23:31 2020 +0100
+++ b/tests/test-persistent-nodemap.t	Mon Nov 30 14:07:23 2020 +0100
@@ -492,6 +492,11 @@
      preserved: dotencode, fncache, generaldelta, revlogv1, sparserevlog, store
      removed: persistent-nodemap
   
+  processed revlogs:
+    - all-filelogs
+    - changelog
+    - manifest
+  
   $ ls -1 .hg/store/ | egrep '00(changelog|manifest)(\.n|-.*\.nd)'
   [1]
   $ hg debugnodemap --metadata
@@ -523,6 +528,11 @@
      preserved: dotencode, fncache, generaldelta, revlogv1, sparserevlog, store
      added: persistent-nodemap
   
+  processed revlogs:
+    - all-filelogs
+    - changelog
+    - manifest
+  
   $ ls -1 .hg/store/ | egrep '00(changelog|manifest)(\.n|-.*\.nd)'
   00changelog-*.nd (glob)
   00changelog.n
@@ -547,6 +557,11 @@
   
   optimisations: re-delta-all
   
+  processed revlogs:
+    - all-filelogs
+    - changelog
+    - manifest
+  
   $ ls -1 .hg/store/ | egrep '00(changelog|manifest)(\.n|-.*\.nd)'
   00changelog-*.nd (glob)
   00changelog.n

--- a/tests/test-share-safe.t	Wed Dec 02 08:23:31 2020 +0100
+++ b/tests/test-share-safe.t	Mon Nov 30 14:07:23 2020 +0100
@@ -215,6 +215,11 @@
      preserved: dotencode, exp-sharesafe, fncache, generaldelta, revlogv1, sparserevlog, store
      added: revlog-compression-zstd
   
+  processed revlogs:
+    - all-filelogs
+    - changelog
+    - manifest
+  
   $ hg log -r .
   changeset:   1:5f6d8a4bf34a
   user:        test
@@ -237,6 +242,11 @@
      preserved: dotencode, exp-sharesafe, fncache, generaldelta, revlog-compression-zstd, revlogv1, sparserevlog, store (zstd !)
      added: persistent-nodemap
   
+  processed revlogs:
+    - all-filelogs
+    - changelog
+    - manifest
+  
   $ hg log -r .
   changeset:   1:5f6d8a4bf34a
   user:        test
@@ -335,6 +345,11 @@
      preserved: dotencode, fncache, generaldelta, revlogv1, sparserevlog, store
      added: exp-sharesafe
   
+  processed revlogs:
+    - all-filelogs
+    - changelog
+    - manifest
+  
   $ hg debugupgraderepo --run -q
   upgrade will perform the following actions:
   
@@ -342,6 +357,11 @@
      preserved: dotencode, fncache, generaldelta, revlogv1, sparserevlog, store
      added: exp-sharesafe
   
+  processed revlogs:
+    - all-filelogs
+    - changelog
+    - manifest
+  
   repository upgraded to share safe mode, existing shares will still work in old non-safe mode. Re-share existing shares to use them in safe mode New shares will be created in safe mode.
 
   $ hg debugrequirements
@@ -408,6 +428,11 @@
      preserved: dotencode, fncache, generaldelta, revlogv1, sparserevlog, store
      removed: exp-sharesafe
   
+  processed revlogs:
+    - all-filelogs
+    - changelog
+    - manifest
+  
   $ hg debugupgraderepo -q --run
   upgrade will perform the following actions:
   
@@ -415,6 +440,11 @@
      preserved: dotencode, fncache, generaldelta, revlogv1, sparserevlog, store
      removed: exp-sharesafe
   
+  processed revlogs:
+    - all-filelogs
+    - changelog
+    - manifest
+  
   repository downgraded to not use share safe mode, existing shares will not work and needs to be reshared.
 
   $ hg debugrequirements

--- a/tests/test-upgrade-repo.t	Wed Dec 02 08:23:31 2020 +0100
+++ b/tests/test-upgrade-repo.t	Mon Nov 30 14:07:23 2020 +0100
@@ -179,6 +179,11 @@
   requirements
      preserved: dotencode, fncache, generaldelta, revlogv1, sparserevlog, store
   
+  processed revlogs:
+    - all-filelogs
+    - changelog
+    - manifest
+  
   additional optimizations are available by specifying "--optimize <name>":
   
   re-delta-parent
@@ -198,6 +203,11 @@
   requirements
      preserved: dotencode, fncache, generaldelta, revlogv1, sparserevlog, store
   
+  processed revlogs:
+    - all-filelogs
+    - changelog
+    - manifest
+  
 
 --optimize can be used to add optimizations
 
@@ -213,6 +223,11 @@
   re-delta-parent
      deltas within internal storage will choose a new base revision if needed
   
+  processed revlogs:
+    - all-filelogs
+    - changelog
+    - manifest
+  
   additional optimizations are available by specifying "--optimize <name>":
   
   re-delta-multibase
@@ -239,6 +254,11 @@
   re-delta-parent
      deltas within internal storage will choose a new base revision if needed
   
+  processed revlogs:
+    - all-filelogs
+    - changelog
+    - manifest
+  
   additional optimizations are available by specifying "--optimize <name>":
   
   re-delta-multibase
@@ -256,6 +276,11 @@
   
   optimisations: re-delta-parent
   
+  processed revlogs:
+    - all-filelogs
+    - changelog
+    - manifest
+  
 
 unknown optimization:
 
@@ -357,6 +382,11 @@
   sparserevlog
      Revlog supports delta chain with more unused data between payload. These gaps will be skipped at read time. This allows for better delta chains, making a better compression and faster exchange with server.
   
+  processed revlogs:
+    - all-filelogs
+    - changelog
+    - manifest
+  
   additional optimizations are available by specifying "--optimize <name>":
   
   re-delta-parent
@@ -376,6 +406,11 @@
      preserved: revlogv1, store
      added: dotencode, fncache, generaldelta, sparserevlog
   
+  processed revlogs:
+    - all-filelogs
+    - changelog
+    - manifest
+  
 
   $ hg --config format.dotencode=false debugupgraderepo
   repository lacks features recommended by current config options:
@@ -410,6 +445,11 @@
   sparserevlog
      Revlog supports delta chain with more unused data between payload. These gaps will be skipped at read time. This allows for better delta chains, making a better compression and faster exchange with server.
   
+  processed revlogs:
+    - all-filelogs
+    - changelog
+    - manifest
+  
   additional optimizations are available by specifying "--optimize <name>":
   
   re-delta-parent
@@ -436,6 +476,11 @@
   requirements
      preserved: dotencode, fncache, generaldelta, revlogv1, sparserevlog, store
   
+  processed revlogs:
+    - all-filelogs
+    - changelog
+    - manifest
+  
   beginning upgrade...
   repository locked and read-only
   creating temporary repository to stage migrated data: $TESTTMP/modern/.hg/upgrade.* (glob)
@@ -487,6 +532,11 @@
   generaldelta
      repository storage will be able to create optimal deltas; new repository data will be smaller and read times should decrease; interacting with other repositories using this storage model should require less network and CPU resources, making "hg push" and "hg pull" faster
   
+  processed revlogs:
+    - all-filelogs
+    - changelog
+    - manifest
+  
   beginning upgrade...
   repository locked and read-only
   creating temporary repository to stage migrated data: $TESTTMP/upgradegd/.hg/upgrade.* (glob)
@@ -583,6 +633,11 @@
   sparserevlog
      Revlog supports delta chain with more unused data between payload. These gaps will be skipped at read time. This allows for better delta chains, making a better compression and faster exchange with server.
   
+  processed revlogs:
+    - all-filelogs
+    - changelog
+    - manifest
+  
   beginning upgrade...
   repository locked and read-only
   creating temporary repository to stage migrated data: $TESTTMP/upgradegd/.hg/upgrade.* (glob)
@@ -622,6 +677,9 @@
   re-delta-parent
      deltas within internal storage will choose a new base revision if needed
   
+  processed revlogs:
+    - manifest
+  
   beginning upgrade...
   repository locked and read-only
   creating temporary repository to stage migrated data: $TESTTMP/upgradegd/.hg/upgrade.* (glob)
@@ -698,6 +756,10 @@
   re-delta-parent
      deltas within internal storage will choose a new base revision if needed
   
+  processed revlogs:
+    - all-filelogs
+    - changelog
+  
   beginning upgrade...
   repository locked and read-only
   creating temporary repository to stage migrated data: $TESTTMP/upgradegd/.hg/upgrade.* (glob)
@@ -746,6 +808,9 @@
   re-delta-parent
      deltas within internal storage will choose a new base revision if needed
   
+  processed revlogs:
+    - changelog
+  
   beginning upgrade...
   repository locked and read-only
   creating temporary repository to stage migrated data: $TESTTMP/upgradegd/.hg/upgrade.* (glob)
@@ -794,6 +859,9 @@
   re-delta-parent
      deltas within internal storage will choose a new base revision if needed
   
+  processed revlogs:
+    - all-filelogs
+  
   beginning upgrade...
   repository locked and read-only
   creating temporary repository to stage migrated data: $TESTTMP/upgradegd/.hg/upgrade.* (glob)
@@ -847,6 +915,11 @@
   re-delta-parent
      deltas within internal storage will choose a new base revision if needed
   
+  processed revlogs:
+    - all-filelogs
+    - changelog
+    - manifest
+  
   beginning upgrade...
   repository locked and read-only
   creating temporary repository to stage migrated data: $TESTTMP/upgradegd/.hg/upgrade.* (glob)
@@ -901,6 +974,11 @@
   re-delta-parent
      deltas within internal storage will choose a new base revision if needed
   
+  processed revlogs:
+    - all-filelogs
+    - changelog
+    - manifest
+  
   beginning upgrade...
   repository locked and read-only
   creating temporary repository to stage migrated data: $TESTTMP/upgradegd/.hg/upgrade.* (glob)
@@ -952,6 +1030,11 @@
   requirements
      preserved: dotencode, fncache, generaldelta, revlogv1, sparserevlog, store
   
+  processed revlogs:
+    - all-filelogs
+    - changelog
+    - manifest
+  
   beginning upgrade...
   repository locked and read-only
   creating temporary repository to stage migrated data: $TESTTMP/store-filenames/.hg/upgrade.* (glob)
@@ -988,6 +1071,11 @@
   re-delta-fulladd
      each revision will be added as new content to the internal storage; this will likely drastically slow down execution time, but some extensions might need it
   
+  processed revlogs:
+    - all-filelogs
+    - changelog
+    - manifest
+  
   beginning upgrade...
   repository locked and read-only
   creating temporary repository to stage migrated data: $TESTTMP/store-filenames/.hg/upgrade.* (glob)
@@ -1049,6 +1137,11 @@
   requirements
      preserved: dotencode, fncache, generaldelta, largefiles, revlogv1, sparserevlog, store
   
+  processed revlogs:
+    - all-filelogs
+    - changelog
+    - manifest
+  
   beginning upgrade...
   repository locked and read-only
   creating temporary repository to stage migrated data: $TESTTMP/largefilesrepo/.hg/upgrade.* (glob)
@@ -1102,6 +1195,11 @@
   requirements
      preserved: dotencode, fncache, generaldelta, largefiles, lfs, revlogv1, sparserevlog, store
   
+  processed revlogs:
+    - all-filelogs
+    - changelog
+    - manifest
+  
   beginning upgrade...
   repository locked and read-only
   creating temporary repository to stage migrated data: $TESTTMP/largefilesrepo/.hg/upgrade.* (glob)
@@ -1202,6 +1300,11 @@
   re-delta-all
      deltas within internal storage will be fully recomputed; this will likely drastically slow down execution time
   
+  processed revlogs:
+    - all-filelogs
+    - changelog
+    - manifest
+  
   beginning upgrade...
   repository locked and read-only
   creating temporary repository to stage migrated data: $TESTTMP/localconfig/.hg/upgrade.* (glob)
@@ -1261,6 +1364,11 @@
      preserved: dotencode, fncache, generaldelta, revlogv1, store
      added: sparserevlog
   
+  processed revlogs:
+    - all-filelogs
+    - changelog
+    - manifest
+  
   $ cat .hg/requires
   dotencode
   fncache
@@ -1277,6 +1385,11 @@
      preserved: dotencode, fncache, generaldelta, revlogv1, store
      removed: sparserevlog
   
+  processed revlogs:
+    - all-filelogs
+    - changelog
+    - manifest
+  
   $ cat .hg/requires
   dotencode
   fncache
@@ -1298,6 +1411,11 @@
      preserved: dotencode, fncache, generaldelta, revlogv1, store
      added: revlog-compression-zstd, sparserevlog
   
+  processed revlogs:
+    - all-filelogs
+    - changelog
+    - manifest
+  
   $ hg debugformat -v
   format-variant     repo config default
   fncache:            yes    yes     yes
@@ -1329,6 +1447,11 @@
      preserved: dotencode, fncache, generaldelta, revlogv1, sparserevlog, store
      removed: revlog-compression-zstd
   
+  processed revlogs:
+    - all-filelogs
+    - changelog
+    - manifest
+  
   $ hg debugformat -v
   format-variant     repo config default
   fncache:            yes    yes     yes
@@ -1363,6 +1486,11 @@
      preserved: dotencode, fncache, generaldelta, revlogv1, sparserevlog, store
      added: revlog-compression-zstd
   
+  processed revlogs:
+    - all-filelogs
+    - changelog
+    - manifest
+  
   $ hg debugformat -v
   format-variant     repo config default
   fncache:            yes    yes     yes
@@ -1401,6 +1529,11 @@
      added: exp-sidedata-flag (zstd !)
      added: exp-sidedata-flag, sparserevlog (no-zstd !)
   
+  processed revlogs:
+    - all-filelogs
+    - changelog
+    - manifest
+  
   $ hg debugformat -v
   format-variant     repo config default
   fncache:            yes    yes     yes
@@ -1439,6 +1572,11 @@
      preserved: dotencode, fncache, generaldelta, revlog-compression-zstd, revlogv1, sparserevlog, store (zstd !)
      removed: exp-sidedata-flag
   
+  processed revlogs:
+    - all-filelogs
+    - changelog
+    - manifest
+  
   $ hg debugformat -v
   format-variant     repo config default
   fncache:            yes    yes     yes
@@ -1477,6 +1615,11 @@
      preserved: dotencode, fncache, generaldelta, revlog-compression-zstd, revlogv1, sparserevlog, store (zstd !)
      added: exp-sidedata-flag
   
+  processed revlogs:
+    - all-filelogs
+    - changelog
+    - manifest
+  
   $ hg debugformat -v
   format-variant     repo config default
   fncache:            yes    yes     yes