# HG changeset patch
# User Joerg Sonnenberger <joerg@bec.de>
# Date 2021-01-18 23:18:39
# Node ID 72f5280e33b6c3ec621ca33e2ac3de982e20a00a
# Parent  0c95b59a89f17aabb202e1f1502b311f6b854d3b

commit: look-up new revision once

Look-up by node is slightly more expensive, so since it is necessary
more than once, do it explicitly.

Differential Revision: https://phab.mercurial-scm.org/D9830

diff --git a/mercurial/commit.py b/mercurial/commit.py
--- a/mercurial/commit.py
+++ b/mercurial/commit.py
@@ -96,6 +96,7 @@ def commitctx(repo, ctx, error=False, or
             ctx.date(),
             extra,
         )
+        rev = repo[n].rev()
         xp1, xp2 = p1.hex(), p2 and p2.hex() or b''
         repo.hook(
             b'pretxncommit',
@@ -108,7 +109,7 @@ def commitctx(repo, ctx, error=False, or
         targetphase = subrepoutil.newcommitphase(repo.ui, ctx)
 
         # prevent unmarking changesets as public on recommit
-        waspublic = oldtip == repo.changelog.tiprev() and not repo[n].phase()
+        waspublic = oldtip == repo.changelog.tiprev() and not repo[rev].phase()
 
         if targetphase and not waspublic:
             # retract boundary do not alter parent changeset.
@@ -116,7 +117,7 @@ def commitctx(repo, ctx, error=False, or
             # be compliant anyway
             #
             # if minimal phase was 0 we don't need to retract anything
-            phases.registernew(repo, tr, targetphase, [repo[n].rev()])
+            phases.registernew(repo, tr, targetphase, [rev])
         return n