Mercurial > public > mercurial-scm > hg-stable

diff mercurial/upgrade.py @ 35354:6226668a7169

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upgrade: add a 'redeltafullall' mode We add a new mode for delta recomputation, when selected, each full text will go through the full "addrevision" mechanism again. This is slower than "redeltaall" but this gives the opportunity for extensions to trigger special logic. For example, the lfs extensions can decide to promote some revision to lfs storage during the upgrade.
author Boris Feld <boris.feld@octobus.net>
date Thu, 07 Dec 2017 20:27:03 +0100
parents 8f3f8b8dbab7
children 6c28956ba2d4
line wrap: on
line diff
--- a/mercurial/upgrade.py	Thu Dec 07 22:37:18 2017 +0100
+++ b/mercurial/upgrade.py	Thu Dec 07 20:27:03 2017 +0100
@@ -369,6 +369,19 @@
                          'recomputed; this will likely drastically slow down '
                          'execution time')))
 
+    optimizations.append(improvement(
+        name='redeltafulladd',
+        type=optimisation,
+        description=_('every revision will be re-added as if it was new '
+                      'content. It will go through the full storage '
+                      'mechanism giving extensions a chance to process it '
+                      '(eg. lfs). This is similar to "redeltaall" but even '
+                      'slower since more logic is involved.'),
+        upgrademessage=_('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')))
+
     return optimizations
 
 def determineactions(repo, deficiencies, sourcereqs, destreqs):
@@ -618,6 +631,8 @@
         deltareuse = revlog.revlog.DELTAREUSESAMEREVS
     elif 'redeltamultibase' in actions:
         deltareuse = revlog.revlog.DELTAREUSESAMEREVS
+    if 'redeltafulladd' in actions:
+        deltareuse = revlog.revlog.DELTAREUSEFULLADD
     else:
         deltareuse = revlog.revlog.DELTAREUSEALWAYS