comparison tests/test-copies-in-changeset.t @ 42858:170b070ec6a5

tests: demonstrate crash when committing subset of copies to changeset

When writing copy metadata to the changeset and not committing all
copies in the dirstate, we get a ProgrammingError. This commit adds
two tests showing how to trigger this bug.

Differential Revision: https://phab.mercurial-scm.org/D6749

42857:3316e59b0105

  >   {extras % "{ifcontains("files", key, "{key}: {value}\n")}"}
  >   {extras % "{ifcontains("copies", key, "{key}: {value}\n")}"}'
  > showcopies = log -r . -T '{file_copies % "{source} -> {name}\n"}'
  > [extensions]
  > rebase =
  > EOF

Check that copies are recorded correctly

  $ hg init repo

  $ hg st --change . --copies
  A b
    a
  R a
  $ cd ..

42858:170b070ec6a5

  >   {extras % "{ifcontains("files", key, "{key}: {value}\n")}"}
  >   {extras % "{ifcontains("copies", key, "{key}: {value}\n")}"}'
  > showcopies = log -r . -T '{file_copies % "{source} -> {name}\n"}'
  > [extensions]
  > rebase =
  > split =
  > EOF

Check that copies are recorded correctly

  $ hg init repo

  $ hg st --change . --copies
  A b
    a
  R a
  $ cd ..

Test splitting a commit

  $ hg init split
  $ cd split
  $ echo a > a
  $ echo b > b
  $ hg ci -Aqm 'add a and b'
  $ echo a2 > a
  $ hg mv b c
  $ hg ci -m 'modify a, move b to c'
  $ (hg --config ui.interactive=yes split 2>&1 | grep mercurial.error) <<EOF
  > y
  > y
  > n
  > y
  > EOF
  mercurial.error.ProgrammingError: some copy targets missing from file list
  $ cd ..

Test committing half a rename

  $ hg init partial
  $ cd partial
  $ echo a > a
  $ hg ci -Aqm 'add a'
  $ hg mv a b
  $ hg ci -m 'remove a' a 2>&1 | grep mercurial.error
  mercurial.error.ProgrammingError: some copy targets missing from file list
  $ cd ..