view tests/test-debugrename.t @ 41084:84491ae0b3f0

revlog: more efficient implementation for issnapshot

We avoid multiple method calls and tuple creation, this provides a significant
speedup in some case:

example affected manifest write
before: 0.815520s
after:  0.487767s (-40%)

  $ hg init
  $ echo a > a
  $ hg ci -Am t
  adding a

  $ hg mv a b
  $ hg ci -Am t1
  $ hg debugrename b
  b renamed from a:b789fdd96dc2f3bd229c1dd8eedf0fc60e2b68e3

  $ hg mv b a
  $ hg ci -Am t2
  $ hg debugrename a
  a renamed from b:37d9b5d994eab34eda9c16b195ace52c7b129980

  $ hg debugrename --rev 1 b
  b renamed from a:b789fdd96dc2f3bd229c1dd8eedf0fc60e2b68e3