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perf: handle NameError for `pycompat.foo` when pycompat wasn't imported On old Mercurial versions, we won't have a pycompat variable defined, and then `pycompat.foo` will raise a NameError. Differential Revision: https://phab.mercurial-scm.org/D6743
author Martin von Zweigbergk <martinvonz@google.com>
date Mon, 19 Aug 2019 10:38:38 -0700
parents 73e3e368bd42
children 55c6ebd11cb9
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Test issue2761

  $ hg init

  $ touch to-be-deleted
  $ hg add
  adding to-be-deleted
  $ hg ci -m first
  $ echo a > to-be-deleted
  $ hg ci -m second
  $ rm to-be-deleted
  $ hg diff -r 0

Same issue, different code path

  $ hg up -C
  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
  $ touch does-not-exist-in-1
  $ hg add
  adding does-not-exist-in-1
  $ hg ci -m third
  $ rm does-not-exist-in-1
  $ hg diff -r 1