[tracker] (41 commits) Non-fast-forward update to branch wip/carlosg/portal

[Carlos Garnacho <carlosg src gnome org>]

The branch 'wip/carlosg/portal' was changed in a way that was not a fast-forward update.
NOTE: This may cause problems for people pulling from the branch. For more information,
please see:

 https://wiki.gnome.org/Git/Help/NonFastForward

Commits removed from the branch:

  fc2eac3... libtracker-data: Add support for graph/service control over
  801a35b... libtracker-data: Add support for CONSTRAINT query prologues
  278e27b... libtracker-data: Allow reducing set to the empty graph
  547936f... libtracker-data: Remove dead code
  bceddf5... libtracker-data: Refactor find_graph() function
  d94bbd9... libtracker-data: Filter find_graph() by the given constrain
  b51c5db... libtracker-data: Restrict all uses of tracker_triples to th
  ba20f00... libtracker-common: Add method to build dbus URI
  22f87af... libtracker-data: Implement DEFAULT/ALL in CONSTRAINT declar
  854d348... libtracker-data: Filter down updates on forbidden graphs
  fa53c99... libtracker-data: Check graph permissions on graph manipulat
  b6b8163... libtracker-data: Add graph policy checks on FTS queries
  a9acdca... libtracker-sparql: Export DBus endpoint structs in private 
  06c83fc... libtracker-sparql: Add private filtering methods to Tracker
  1d32bb7... build: restore dbus/systemd options
  4a8a90d... portal: Add XDG portal implementation
  51de970... portal: Implement filtering endpoint
  faf1265... libtracker-bus: Fallback through portal on bus connections
  8c64d63... examples: Add example flatpak definition
  dd2593d... portal: Handle */default keywords in policy
  836cb16... portal: Set up watch on peers
  e6f1931... portal: Add DBus service file
  0ffe114... docs: Add xdg-tracker-portal manpage
  25ec878... portal: Add CloseSession request
  9a0e851... libtracker-bus: Explicitly close sandbox sessions on connec
  bbc6735... libtracker-data: Cache connections in SERVICES{} virtual ta
  3ec6d83... portal: Add systemd user session unit file
  59ed6b4... portal: Handle missing .flatpak-info file
  1fe772e... tests: Add tests for CONSTRAINT declarations in prologue
  6cd40fe... portal: Handle default object path in lookups
  cd1f080... ci: Don't install systemd user services

Commits added to the branch:

  0948e4a... Move tracker backend libraries into libtracker-sparql-backe (*)
  34b48e7... build: Rename libtracker-sparql VAPI file/target (*)
  a2d6b08... Merge libtracker-sparql-backend with libtracker-sparql (*)
  9dcbe72... bus: Add tracker_sparql_vapi_dep dependency (*)
  b61ca03... libtracker-sparql: Update tracker-bus.h header location (*)
  8c22810... Update Turkish translation (*)
  5fb97c3... Merge branch 'sam/merge-libraries' into 'master' (*)
  346a5c2... cli: Fix potentially uninitialised variable (*)
  0017bfa... build: Add enum header to libtracker-sparql-intermediate (*)
  2a5bfa0... Merge branch 'sam/enum-header' into 'master' (*)
  8442cb8... libtracker-data: Add support for graph/service control over
  d05a328... libtracker-data: Add support for CONSTRAINT query prologues
  50c2d7e... libtracker-data: Allow reducing set to the empty graph
  f53992b... libtracker-data: Remove dead code
  6be01a2... libtracker-data: Refactor find_graph() function
  2692b72... libtracker-data: Filter find_graph() by the given constrain
  ce5a2a5... libtracker-data: Restrict all uses of tracker_triples to th
  d8dce5a... libtracker-common: Add method to build dbus URI
  002b26d... libtracker-data: Implement DEFAULT/ALL in CONSTRAINT declar
  0f201f4... libtracker-data: Filter down updates on forbidden graphs
  2a50b59... libtracker-data: Check graph permissions on graph manipulat
  536999f... libtracker-data: Add graph policy checks on FTS queries
  2cceb23... libtracker-sparql: Export DBus endpoint structs in private 
  bd40d1f... libtracker-sparql: Add private filtering methods to Tracker
  a4e1570... build: restore dbus/systemd options
  c769a3b... portal: Add XDG portal implementation
  5e86850... portal: Implement filtering endpoint
  1ce28e2... libtracker-bus: Fallback through portal on bus connections
  f442184... examples: Add example flatpak definition
  f297f83... portal: Handle */default keywords in policy
  d6c08d7... portal: Set up watch on peers
  015e310... portal: Add DBus service file
  011b668... docs: Add xdg-tracker-portal manpage
  9943b47... portal: Add CloseSession request
  61dfef7... libtracker-bus: Explicitly close sandbox sessions on connec
  50b0ebf... libtracker-data: Cache connections in SERVICES{} virtual ta
  6ebdfc7... portal: Add systemd user session unit file
  a1de125... portal: Handle missing .flatpak-info file
  1c93624... tests: Add tests for CONSTRAINT declarations in prologue
  9373393... portal: Handle default object path in lookups
  e7587d5... ci: Don't install systemd user services

(*) This commit already existed in another branch; no separate mail sent