comparison tests/test-uncommit.t @ 1143:160fd06312fc

uncommit: abort when rev specifies the current changeset

The uncommit command now fails when the rev argument indicates the current
changeset. Previously this aborted in the changeset obsolescence machinery when
the current commit tries to obsolete itself.

Using the rev argument like this indicates a misunderstanding, so printing an
uncommit-specific error should make it easier to understand what went wrong.

1142:9d85fd6e1474

  $ hg cat b --rev .^
  b
  $ hg cat b --rev 0
  b: no such file in rev 07f494440405
  [1]
  $ hg uncommit --rev 0 b
  $ hg cat b --rev .
  b: no such file in rev 5b27f6b17da2
  [1]

1143:160fd06312fc

  $ hg cat b --rev .^
  b
  $ hg cat b --rev 0
  b: no such file in rev 07f494440405
  [1]
  $ hg uncommit --rev . b
  abort: cannot uncommit to parent changeset
  [255]
  $ hg uncommit --rev 0 b
  $ hg cat b --rev .
  b: no such file in rev 5b27f6b17da2
  [1]