view tests/test-context-metadata.t @ 37856:bb8e93b332a7

context: clarify that only one attempt is made to interpret changeid

We can now tell what type of revision specifier we have just by
looking at it (we no longer attempt to interpret it in one way after
the other -- that's now in scmutil.revsymbol()). Let's clarify this in
the code by swithing to if/elif.

Differential Revision: https://phab.mercurial-scm.org/D3451

Tests about metadataonlyctx

  $ hg init
  $ echo A > A
  $ hg commit -A A -m 'Add A'
  $ echo B > B
  $ hg commit -A B -m 'Add B'
  $ hg rm A
  $ echo C > C
  $ echo B2 > B
  $ hg add C -q
  $ hg commit -m 'Remove A'

  $ cat > metaedit.py <<EOF
  > from __future__ import absolute_import
  > from mercurial import context, pycompat, registrar
  > cmdtable = {}
  > command = registrar.command(cmdtable)
  > @command(b'metaedit')
  > def metaedit(ui, repo, arg):
  >     # Modify commit message to "FOO"
  >     with repo.wlock(), repo.lock(), repo.transaction(b'metaedit'):
  >         old = repo[b'.']
  >         kwargs = dict(s.split(b'=', 1) for s in arg.split(b';'))
  >         if 'parents' in kwargs:
  >             kwargs[b'parents'] = map(int, kwargs[b'parents'].split(b','))
  >         new = context.metadataonlyctx(repo, old,
  >                                       **pycompat.strkwargs(kwargs))
  >         new.commit()
  > EOF
  $ hg --config extensions.metaedit=$TESTTMP/metaedit.py metaedit 'text=Changed'
  $ hg log -r tip
  changeset:   3:ad83e9e00ec9
  tag:         tip
  parent:      1:3afb7afe6632
  user:        test
  date:        Thu Jan 01 00:00:00 1970 +0000
  summary:     Changed
  
  $ hg --config extensions.metaedit=$TESTTMP/metaedit.py metaedit 'parents=0' 2>&1 | egrep '^RuntimeError'
  RuntimeError: can't reuse the manifest: its p1 doesn't match the new ctx p1

  $ hg --config extensions.metaedit=$TESTTMP/metaedit.py metaedit 'user=foo <[e-mail]>'
  $ hg log -r tip
  changeset:   4:1f86eaeca92b
  tag:         tip
  parent:      1:3afb7afe6632
  user:        foo <[e-mail]>
  date:        Thu Jan 01 00:00:00 1970 +0000
  summary:     Remove A