D988: fsmonitor: change the distance calculation
ekent (Eamonn Kent)
phabricator at mercurial-scm.org
Mon Oct 9 17:11:59 UTC 2017
ekent created this revision.
Herald added a subscriber: mercurial-devel.
Herald added a reviewer: hg-reviewers.
REVISION SUMMARY
Change the distance calculation in the fsmonitor extension. It is done in a method since anticipated changes will need to use this logic as well.
TEST PLAN
Tested on development server.
REPOSITORY
rHG Mercurial
REVISION DETAIL
https://phab.mercurial-scm.org/D988
AFFECTED FILES
hgext/fsmonitor/__init__.py
CHANGE DETAILS
diff --git a/hgext/fsmonitor/__init__.py b/hgext/fsmonitor/__init__.py
--- a/hgext/fsmonitor/__init__.py
+++ b/hgext/fsmonitor/__init__.py
@@ -660,6 +660,14 @@
'watchman', 'Exception %s while running %s\n', e, cmd)
return False
+# Estimate the distance between two nodes
+def calcdistance(repo, oldnode, newnode):
+ anc = repo.changelog.ancestor(oldnode, newnode)
+ ancrev = repo[anc].rev()
+ distance = (abs(repo[oldnode].rev() - ancrev)
+ + abs(repo[newnode].rev() - ancrev))
+ return distance
+
# Bracket working copy updates with calls to the watchman state-enter
# and state-leave commands. This allows clients to perform more intelligent
# settling during bulk file change scenarios
@@ -671,14 +679,8 @@
partial = True
if matcher is None or matcher.always():
partial = False
- wc = repo[None]
- parents = wc.parents()
- if len(parents) == 2:
- anc = repo.changelog.ancestor(parents[0].node(), parents[1].node())
- ancrev = repo[anc].rev()
- distance = abs(repo[node].rev() - ancrev)
- elif len(parents) == 1:
- distance = abs(repo[node].rev() - parents[0].rev())
+ distance = calcdistance(repo.unfiltered(), repo['.'].node(),
+ repo[node].node())
with state_update(repo, node, distance, partial):
return orig(
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