This mostly just reduces the amount of "running from sentinel context" spam
during unittest setup.

(Almost) everywhere that uses it is happy with an awaitable.

This was only used in a unit test, so let's just inline it in the test.

Fixes #7179.

Signed-off-by: Karl Linderhed <git@karlinde.se>

If there was an exception setting up one of the attributes of the Homeserver
god object, then future attempts to fetch that attribute would raise a
confusing "Cyclic dependency" error. Let's make sure that we clear the
`building` flag so that we just get the original exception.

Ref: #7169

make sure we clear out all but one update for the user

* Remove `conn_id` usage for UserSyncCommand.

Each tcp replication connection is assigned a "conn_id", which is used
to give an ID to a remotely connected worker. In a redis world, there
will no longer be a one to one mapping between connection and instance,
so instead we need to replace such usages with an ID generated by the
remote instances and included in the replicaiton commands.

This really only effects UserSyncCommand.

* Add CLEAR_USER_SYNCS command that is sent on shutdown.

This should help with the case where a synchrotron gets restarted
gracefully, rather than rely on 5 minute timeout.

Always send the user updates to their own device list

Add tests for outbound device pokes

That fallback sets the redirect URL to itself (so it can process the login
token then return gracefully to the client). This would make it pointless to
ask the user for confirmation, since the URL the confirmation page would be
showing wouldn't be the client's.

* Don't show the login forms if we're currently logging in with a
  password or a token.
* Submit directly the SSO login form, showing only a spinner to the
  user, in order to eliminate from the clunkiness of SSO through this
  fallback.

update debian installation instructions to recommend installing `virtualenv` instead of `python3-virtualenv` (#6892)

* change debian package from python3-virtualenv to virtualenv

The virtualenv package is needed for the virtualenv command. The
virtualenv package depends on python3-virtualenv (at least since
debian jessie) so there is no need to specify python3-virtualenv
additionally.

Signed-off-by: Vieno Hakkerinen <vieno@hakkerinen.eu>

* Add changelog

Co-authored-by: Andrew Morgan <andrew@amorgan.xyz>

Fixes: #7127
Signed-off-by: David Vo <david@vovo.id.au>

This will allow clients to notify users about new devices even if
the user isn't in any rooms (yet).

Allow RedirectResponse in SAML response handler

Co-Authored-By: Richard van der Hoff <1389908+richvdh@users.noreply.github.com>

Allow custom SAML handlers to redirect after processing an auth response.

Fixes #7149

Signed-off-by: Jason Robinson <jasonr@matrix.org>

Signed-off-by: Aaron Raimist <aaron@raim.ist>

This changes the replication protocol so that the server does not send down `RDATA` for rows that happened before the client connected. Instead, the server will send a `POSITION` and clients then query the database (or master out of band) to get up to date.