patchbomb: fix traceback on outgoing when not specifying revisions A user reported that `hg email -n -o` raised with the following traceback: ``` ** unknown exception encountered, please report by visiting ** https://mercurial-scm.org/wiki/BugTracker ** Python 3.8.12 (default, Sep 13 2021, 22:12:54) [GCC 7.5.0] ** Mercurial Distributed SCM (version 5.9.1) ** Extensions loaded: patchbomb Traceback (most recent call last): File "/usr/pkg/bin/hg", line 61, in <module> dispatch.run() File "/usr/pkg/lib/python3.8/site-packages/mercurial/dispatch.py", line 144, in run status = dispatch(req) File "/usr/pkg/lib/python3.8/site-packages/mercurial/dispatch.py", line 250, in dispatch status = _rundispatch(req) File "/usr/pkg/lib/python3.8/site-packages/mercurial/dispatch.py", line 294, in _rundispatch ret = _runcatch(req) or 0 File "/usr/pkg/lib/python3.8/site-packages/mercurial/dispatch.py", line 470, in _runcatch return _callcatch(ui, _runcatchfunc) File "/usr/pkg/lib/python3.8/site-packages/mercurial/dispatch.py", line 480, in _callcatch return scmutil.callcatch(ui, func) File "/usr/pkg/lib/python3.8/site-packages/mercurial/scmutil.py", line 153, in callcatch return func() File "/usr/pkg/lib/python3.8/site-packages/mercurial/dispatch.py", line 460, in _runcatchfunc return _dispatch(req) File "/usr/pkg/lib/python3.8/site-packages/mercurial/dispatch.py", line 1273, in _dispatch return runcommand( File "/usr/pkg/lib/python3.8/site-packages/mercurial/dispatch.py", line 918, in runcommand ret = _runcommand(ui, options, cmd, d) File "/usr/pkg/lib/python3.8/site-packages/mercurial/dispatch.py", line 1285, in _runcommand return cmdfunc() File "/usr/pkg/lib/python3.8/site-packages/mercurial/dispatch.py", line 1271, in <lambda> d = lambda: util.checksignature(func)(ui, *args, **strcmdopt) File "/usr/pkg/lib/python3.8/site-packages/mercurial/util.py", line 1886, in check return func(*args, **kwargs) File "/usr/pkg/lib/python3.8/site-packages/hgext/patchbomb.py", line 817, in email revs = _getoutgoing(repo, dest, revs) File "/usr/pkg/lib/python3.8/site-packages/hgext/patchbomb.py", line 537, in _getoutgoing safe_paths = [urlutil.hidepassword(p.rawloc) for p in paths] File "/usr/pkg/lib/python3.8/site-packages/hgext/patchbomb.py", line 537, in <listcomp> safe_paths = [urlutil.hidepassword(p.rawloc) for p in paths] File "/usr/pkg/lib/python3.8/site-packages/mercurial/utils/urlutil.py", line 501, in get_push_paths msg %= dest TypeError: %b requires a bytes-like object, or an object that implements __bytes__, not 'NoneType' ``` This is due to patchbomb passing `[None]` in the `dests` parameter of the multi-paths outgoing function, we fix this in this change and add a non-regression test. Differential Revision: https://phab.mercurial-scm.org/D11456

== New Features ==
  * `debugrebuildfncache` now has an option to rebuild only the index files


== Default Format Change ==

These changes affects newly created repositories (or new clone) done with
Mercurial 6.0.


== New Experimental Features ==

 * Added a new `web.full-garbage-collection-rate` to control performance. See
   de2e04fe4897a554b9ef433167f11ea4feb2e09c for more information

== Bug Fixes ==

 * `hg fix --working-dir` now correctly works when in an uncommitted merge state
 * `rhg` (Rust fast-path for `hg`) now supports the full config list syntax
 * `rhg` now parses some corner-cases for revsets correctly
 * `hg email -o` now works again when not mentioning a revision
 * Lots of Windows fixes
 * Lots of miscellaneous other fixes

== Backwards Compatibility Changes ==


== Internal API Changes ==

The following functions have been removed:

  * `dirstate.normal`
  * `dirstate.normallookup`
  * `dirstate.otherparent`
  * `dirstate.add`
  * `dirstate.remove`
  * `dirstate.drop`
  * `dirstate.__getitem__`

Miscellaneous:

 * `wireprotov1peer`'s `batchable` is now a simple function and not a generator
   anymore