auto-upgrade: add an option to silence the tracked-hint message

For well tested case, the message can get in the way, so we add a way to disable
it.

mercurial/configitems.py

@@ -1313,6 +1313,12 b' coreconfigitem('
 )
 coreconfigitem(
     b'format',
+    b'use-dirstate-tracked-hint.automatic-upgrade-of-mismatching-repositories:quiet',
+    default=False,
+    experimental=True,
+)
+coreconfigitem(
+    b'format',
     b'dotencode',
     default=True,
 )

mercurial/helptext/config.txt

@@ -1024,6 +1024,10 b' https://www.mercurial-scm.org/wiki/Missi'
    value and `format.use-dirstate-tracked-hint` at the same time.
 
 
+``use-dirstate-tracked-hint.automatic-upgrade-of-mismatching-repositories:quiet``
+    Hide message when performing such automatic upgrade.
+
+
 ``use-persistent-nodemap``
     Enable or disable the "persistent-nodemap" feature which improves
     performance if the Rust extensions are available.

mercurial/upgrade_utils/auto_upgrade.py

@@ -101,6 +101,10 b' def get_tracked_hint_action(repo):'
         b'format',
         b'use-dirstate-tracked-hint.automatic-upgrade-of-mismatching-repositories',
     )
+    auto_upgrade_quiet = ui.configbool(
+        b'format',
+        b'use-dirstate-tracked-hint.automatic-upgrade-of-mismatching-repositories:quiet',
+    )
 
     action = None
 
@@ -115,7 +119,7 b' def get_tracked_hint_action(repo):'
             hint = b"(see `hg help config.format.use-dirstate-tracked-hint` for details)\n"
 
             def action():
-                if not ui.quiet:
+                if not (ui.quiet or auto_upgrade_quiet):
                     ui.write_err(msg)
                     ui.write_err(hint)
                 requirements.add(requirementsmod.DIRSTATE_TRACKED_HINT_V1)
@@ -130,7 +134,7 b' def get_tracked_hint_action(repo):'
             hint = b"(see `hg help config.format.use-dirstate-tracked-hint` for details)\n"
 
             def action():
-                if not ui.quiet:
+                if not (ui.quiet or auto_upgrade_quiet):
                     ui.write_err(msg)
                     ui.write_err(hint)
                 requirements.discard(requirementsmod.DIRSTATE_TRACKED_HINT_V1)

tests/test-help.t

@@ -1611,6 +1611,8 b' Separate sections from subsections'
   
       "use-dirstate-tracked-hint.automatic-upgrade-of-mismatching-repositories"
   
+      "use-dirstate-tracked-hint.automatic-upgrade-of-mismatching-repositories:quiet"
+  
       "use-persistent-nodemap"
   
       "use-share-safe"

tests/test-upgrade-repo.t

@@ -2074,12 +2074,11 b' Quiet upgrade and downgrade'
   >     --config format.use-dirstate-v2.automatic-upgrade-of-mismatching-repositories:quiet=yes \
   >     --config format.use-dirstate-v2=no \
   >     --config format.use-dirstate-tracked-hint.automatic-upgrade-of-mismatching-repositories=yes \
+  >     --config format.use-dirstate-tracked-hint.automatic-upgrade-of-mismatching-repositories:quiet=yes \
   >     --config format.use-dirstate-tracked-hint=yes \
   >     --config format.use-share-safe.automatic-upgrade-of-mismatching-repositories=yes \
   >     --config format.use-share-safe.automatic-upgrade-of-mismatching-repositories:quiet=yes \
   >     --config format.use-share-safe=no
-  automatically upgrading repository to the `tracked-hint` feature
-  (see `hg help config.format.use-dirstate-tracked-hint` for details)
 
   $ hg debugformat -R auto-upgrade | egrep '(dirstate-v2|tracked|share-safe)'
   dirstate-v2:         no
@@ -2091,12 +2090,11 b' Quiet upgrade and downgrade'
   >     --config format.use-dirstate-v2.automatic-upgrade-of-mismatching-repositories:quiet=yes \
   >     --config format.use-dirstate-v2=yes \
   >     --config format.use-dirstate-tracked-hint.automatic-upgrade-of-mismatching-repositories=yes \
+  >     --config format.use-dirstate-tracked-hint.automatic-upgrade-of-mismatching-repositories:quiet=yes \
   >     --config format.use-dirstate-tracked-hint=no\
   >     --config format.use-share-safe.automatic-upgrade-of-mismatching-repositories=yes \
   >     --config format.use-share-safe.automatic-upgrade-of-mismatching-repositories:quiet=yes \
   >     --config format.use-share-safe=yes
-  automatically downgrading repository from the `tracked-hint` feature
-  (see `hg help config.format.use-dirstate-tracked-hint` for details)
   $ hg debugformat -R auto-upgrade | egrep '(dirstate-v2|tracked|share-safe)'
   dirstate-v2:        yes
   tracked-hint:        no