flatpak: Run Tracker Miners inside the Flatpak sandbox

The Flatpak version of Totem will now run a local tracker-miner-fs-3
instance instead of using the host instance, in all cases.

For background, see:
https://gitlab.gnome.org/GNOME/totem/-/merge_requests/154#note_881125

5 files changed, 78 insertions, 2 deletions

diff --git a/flatpak/org.gnome.Totem.Devel.json b/flatpak/org.gnome.Totem.Devel.json
index 0e5079bc9..fdf72d0db 100644
--- a/flatpak/org.gnome.Totem.Devel.json
+++ b/flatpak/org.gnome.Totem.Devel.json
@@ -164,6 +164,24 @@
             ]
         },
         {
+            "name": "tracker-miners",
+            "cleanup": [ "/bin", "/etc", "/share/dbus-1/services" ],
+            "buildsystem": "meson",
+            "config-opts" : [
+                "-Dman=false",
+                "-Dminer_fs=true",
+                "-Dminer_rss=false",
+                "-Dsystemd_user_services=false",
+                "-Dwriteback=false"
+            ],
+            "sources": [
+                {
+                    "type": "git",
+                    "url": "https://gitlab.gnome.org/GNOME/tracker-miners.git"
+                }
+            ]
+        },
+        {
             "name": "libmediaart",
             "cleanup": [ "/bin", "/etc", "/libexec" ],
             "config-opts": [ "--disable-qt" ],
@@ -211,8 +229,8 @@
                 "-Denable-lua-factory=yes",
                 "-Denable-metadata-store=yes",
                 "-Denable-vimeo=yes",
-                "-Denable-tracker=yes",
-                "-Denable-tracker3=no",
+                "-Denable-tracker=no",
+                "-Denable-tracker3=yes",
                 "-Denable-local-metadata=yes",
                 "-Denable-dleyna=yes",
                 "-Denable-thetvdb=yes",
@@ -285,10 +303,23 @@
                 "-Denable-easy-codec-installation=no",
                 "-Dprofile=development"
             ],
+            "post-install": [
+                "install --mode=644 -D --target-directory=/app/share/tracker3/domain-ontologies ../org.gnome.Totem.Devel.domain.rule",
+                "install --mode=644 -D --target-directory=/app/share/dbus-1/services ../org.gnome.Totem.Devel.Tracker3.Miner.Files.service",
+                "install --mode=644 -D --target-directory=/app/share/dbus-1/services ../org.gnome.Totem.Devel.Tracker3.Miner.Extract.service"
+            ],
             "sources": [
                 {
                     "type": "git",
                     "url": "https://gitlab.gnome.org/GNOME/totem.git"
+                },
+                {
+                    "type": "dir",
+                    "path": "./tracker"
+                },
+                {
+                    "type": "patch",
+                    "path": "tracker-miner-service-appid.patch"
                 }
             ]
         }
diff --git a/flatpak/tracker-miner-service-appid.patch b/flatpak/tracker-miner-service-appid.patch
new file mode 100644
index 000000000..8a8be8ec8
--- /dev/null
+++ b/flatpak/tracker-miner-service-appid.patch
@@ -0,0 +1,11 @@
+diff --git a/src/totem-grilo.conf b/src/totem-grilo.conf
+index dd9c9f0e5..f419a8f05 100644
+--- a/src/totem-grilo.conf
++++ b/src/totem-grilo.conf
+@@ -23,3 +23,6 @@ xlarge          = true
+ # GStreamer does not support VCDs:
+ # https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/merge_requests/203
+ ignored-scheme=vcd
++
++[grl-tracker3]
++miner-service=org.gnome.Totem.Devel.Tracker3.Miner.Files
diff --git a/flatpak/tracker/org.gnome.Totem.Devel.Tracker3.Miner.Extract.service b/flatpak/tracker/org.gnome.Totem.Devel.Tracker3.Miner.Extract.service
new file mode 100644
index 000000000..23b80625f
--- /dev/null
+++ b/flatpak/tracker/org.gnome.Totem.Devel.Tracker3.Miner.Extract.service
@@ -0,0 +1,7 @@
+[D-BUS Service]
+Name=org.gnome.Totem.Devel.Tracker3.Miner.Extract
+Exec=/app/libexec/tracker-extract-3 --domain-ontology /app/share/tracker3/domain-ontologies/org.gnome.Totem.Devel.domain.rule
+
+# Miner details needed for tracker-control
+Path=/org/freedesktop/Tracker3/Miner/Extract
+NameSuffix=Miner.Extract
diff --git a/flatpak/tracker/org.gnome.Totem.Devel.Tracker3.Miner.Files.service b/flatpak/tracker/org.gnome.Totem.Devel.Tracker3.Miner.Files.service
new file mode 100644
index 000000000..89ae7063c
--- /dev/null
+++ b/flatpak/tracker/org.gnome.Totem.Devel.Tracker3.Miner.Files.service
@@ -0,0 +1,7 @@
+[D-BUS Service]
+Name=org.gnome.Totem.Devel.Tracker3.Miner.Files
+Exec=/app/libexec/tracker-miner-fs-3 --domain-ontology /app/share/tracker3/domain-ontologies/org.gnome.Totem.Devel.domain.rule --initial-sleep 0
+
+# Miner details needed for tracker-control
+Path=/org/freedesktop/Tracker3/Miner/Files
+NameSuffix=Miner.Files
diff --git a/flatpak/tracker/org.gnome.Totem.Devel.domain.rule b/flatpak/tracker/org.gnome.Totem.Devel.domain.rule
new file mode 100644
index 000000000..2529fae53
--- /dev/null
+++ b/flatpak/tracker/org.gnome.Totem.Devel.domain.rule
@@ -0,0 +1,20 @@
+# This defines a private Tracker domain for Totem.
+#
+# It's used to run the Tracker indexer inside a Flatpak sandbox, when Totem is
+# running on a host that doesn't have a suitable version of Tracker installed.
+
+[DomainOntology]
+# Location for the Tracker database
+CacheLocation=$XDG_CACHE_HOME/totem/miner/files
+
+# Name of the ontology to use, must be one located in
+# $(sharedir)/tracker/ontologies
+OntologyName=nepomuk
+
+# DBus name for the owner (not optional). Tracker will use
+# the domain as the prefix of the DBus name for all the
+# services related to this domain ontology.
+Domain=org.gnome.Totem.Devel
+
+# List of miners we expect to run in this domain.
+Miners=Miner.Files;Miner.Extract