[Updated] D11869: upgrade: explicitly warn when a `--no-xxx` flag is overwritten

[marmoute (Pierre-Yves David)]

Closed by commit rHG1d0978cfe968: upgrade: explicitly warn when a `--no-xxx` flag is overwritten (authored by marmoute).
This revision was automatically updated to reflect the committed changes.
This revision was not accepted when it landed; it landed in state "Needs Revision".

REPOSITORY
  rHG Mercurial

CHANGES SINCE LAST UPDATE
  https://phab.mercurial-scm.org/D11869?vs=31339&id=31420

CHANGES SINCE LAST ACTION
  https://phab.mercurial-scm.org/D11869/new/

REVISION DETAIL
  https://phab.mercurial-scm.org/D11869

AFFECTED FILES
  mercurial/upgrade.py
  tests/test-upgrade-repo.t

CHANGE DETAILS

diff --git a/tests/test-upgrade-repo.t b/tests/test-upgrade-repo.t
--- a/tests/test-upgrade-repo.t
+++ b/tests/test-upgrade-repo.t
@@ -944,6 +944,22 @@
 
   $ echo "[format]" > .hg/hgrc
   $ echo "sparse-revlog=no" >> .hg/hgrc
+  $ hg debugupgrade --optimize re-delta-parent --no-manifest --no-backup --quiet
+  warning: ignoring  --no-manifest, as upgrade is changing: sparserevlog
+  
+  ignoring revlogs selection flags, format requirements change: sparserevlog
+  requirements
+     preserved: dotencode, fncache, generaldelta, revlogv1, store (no-rust !)
+     preserved: dotencode, fncache, generaldelta, persistent-nodemap, revlogv1, store (rust !)
+     removed: sparserevlog
+  
+  optimisations: re-delta-parent
+  
+  processed revlogs:
+    - all-filelogs
+    - changelog
+    - manifest
+  
   $ hg debugupgrade --optimize re-delta-parent --run --manifest --no-backup --debug --traceback
   ignoring revlogs selection flags, format requirements change: sparserevlog
   upgrade will perform the following actions:
diff --git a/mercurial/upgrade.py b/mercurial/upgrade.py
--- a/mercurial/upgrade.py
+++ b/mercurial/upgrade.py
@@ -90,6 +90,43 @@
 
     # check if we need to touch revlog and if so, which ones
 
+    touched_revlogs = set()
+    overwrite_msg = _(b'warning: ignoring %14s, as upgrade is changing: %s\n')
+    msg_issued = False
+
+    FL = upgrade_engine.UPGRADE_FILELOGS
+    MN = upgrade_engine.UPGRADE_MANIFEST
+    CL = upgrade_engine.UPGRADE_CHANGELOG
+
+    for action in sorted(up_actions + removed_actions, key=lambda a: a.name):
+        # optimisation does not "requires anything, they just needs it.
+        if action.type != upgrade_actions.FORMAT_VARIANT:
+            continue
+
+        if action.touches_filelogs and FL not in touched_revlogs:
+            if FL in specified_revlogs:
+                if not specified_revlogs[FL]:
+                    msg = overwrite_msg % (b'--no-filelogs', action.name)
+                    ui.warn(msg)
+                    msg_issued = True
+            touched_revlogs.add(FL)
+        if action.touches_manifests and MN not in touched_revlogs:
+            if MN in specified_revlogs:
+                if not specified_revlogs[MN]:
+                    msg = overwrite_msg % (b'--no-manifest', action.name)
+                    ui.warn(msg)
+                    msg_issued = True
+            touched_revlogs.add(MN)
+        if action.touches_changelog and CL not in touched_revlogs:
+            if CL in specified_revlogs:
+                if not specified_revlogs[CL]:
+                    msg = overwrite_msg % (b'--no-changelog', action.name)
+                    ui.warn(msg)
+                    msg_issued = True
+            touched_revlogs.add(CL)
+    if msg_issued:
+        ui.warn((b"\n"))
+
     revlogs = set(upgrade_engine.UPGRADE_ALL_REVLOGS)
     if specified_revlogs:
         # we have some limitation on revlogs to be recloned



To: marmoute, #hg-reviewers, Alphare
Cc: Alphare, mercurial-patches
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