From 273442c79a20c36f029fb29e98de5399f561ca17 Mon Sep 17 00:00:00 2001 From: Kalev Lember Date: Mon, 15 Mar 2021 16:21:20 +0100 Subject: [PATCH] Add tracker3.patch Oops, forgot to add it in commit b8f832372f56427e4f0613335067808a8504d1cc --- tracker3.patch | 240 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 240 insertions(+) create mode 100644 tracker3.patch diff --git a/tracker3.patch b/tracker3.patch new file mode 100644 index 0000000..7a98f33 --- /dev/null +++ b/tracker3.patch @@ -0,0 +1,240 @@ +From ca0d487aac3b9cf21e520a00b94cb3eaf833b9a3 Mon Sep 17 00:00:00 2001 +From: Carlos Garnacho +Date: Thu, 24 Dec 2020 12:19:49 +0100 +Subject: [PATCH 1/5] Obtain TrackerSparqlConnection in a single point + +The is_available vmethod tries to create a connection if it's not +there. But the BraseroSearchTracker initialization already tries to +obtain the SPARQL connection. Let this method return wether +initialiation was successful. +--- + src/brasero-search-tracker.c | 6 ------ + 1 file changed, 6 deletions(-) + +diff --git a/src/brasero-search-tracker.c b/src/brasero-search-tracker.c +index fe7be2bd..f8c29c0d 100644 +--- a/src/brasero-search-tracker.c ++++ b/src/brasero-search-tracker.c +@@ -56,12 +56,6 @@ brasero_search_tracker_is_available (BraseroSearchEngine *engine) + BraseroSearchTrackerPrivate *priv; + + priv = BRASERO_SEARCH_TRACKER_PRIVATE (engine); +- GError *error = NULL; +- if (priv->connection) +- return TRUE; +- +- priv->cancellable = g_cancellable_new (); +- priv->connection = tracker_sparql_connection_get (priv->cancellable, &error); + return (priv->connection != NULL); + } + +-- +GitLab + + +From c0dace005ec34b345845aacd1f929fd618b199af Mon Sep 17 00:00:00 2001 +From: Carlos Garnacho +Date: Thu, 24 Dec 2020 12:37:13 +0100 +Subject: [PATCH 2/5] Fix ORDER BY clauses in Tracker search + +The ?urn variable is not defined anywhere else in the query, so +ordering is left undefined. Access the url/filename properly here. +--- + src/brasero-search-tracker.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +diff --git a/src/brasero-search-tracker.c b/src/brasero-search-tracker.c +index f8c29c0d..94085070 100644 +--- a/src/brasero-search-tracker.c ++++ b/src/brasero-search-tracker.c +@@ -307,7 +307,7 @@ brasero_search_tracker_query_start_real (BraseroSearchEngine *search, + g_string_append (query, ")"); + + g_string_append (query, +- "} ORDER BY DESC(nie:url(?urn)) DESC(nfo:fileName(?urn))"); ++ "} ORDER BY DESC(?url) DESC(nfo:fileName(?file))"); + + tracker_sparql_connection_query_async (priv->connection, + query->str, +-- +GitLab + + +From f7181445bf9c88b7fab1bb5237d602b491694a9e Mon Sep 17 00:00:00 2001 +From: Carlos Garnacho +Date: Thu, 24 Dec 2020 13:04:03 +0100 +Subject: [PATCH 3/5] Only use fts:rank with FTS searches + +This fixes two things: +- The use of fts:match depends on priv->keywords being set, but + fts:rank() has undefined behavior if fts:match is not present. + Its value is returned in the cursor, but fortunately unused, + so it can go away. + +- Fixes "garbage" being added at the end of the query, concretely + ") } ORDER BY ... " is appended at the supposed end of the query + string. Older SPARQL parser implementations would allow garbage + at the end of its parsing state, I suspect "LIMIT 0 OFFSET 10000" + was just a mean to push it to that state that it'd allow the + remaining string, so that is gone too. +--- + src/brasero-search-tracker.c | 21 +++++++++------------ + 1 file changed, 9 insertions(+), 12 deletions(-) + +diff --git a/src/brasero-search-tracker.c b/src/brasero-search-tracker.c +index 94085070..ae1d388a 100644 +--- a/src/brasero-search-tracker.c ++++ b/src/brasero-search-tracker.c +@@ -234,7 +234,7 @@ brasero_search_tracker_query_start_real (BraseroSearchEngine *search, + + priv = BRASERO_SEARCH_TRACKER_PRIVATE (search); + +- query = g_string_new ("SELECT ?file ?url ?mime fts:rank(?file) " /* Which variables should be returned */ ++ query = g_string_new ("SELECT ?file ?url ?mime " /* Which variables should be returned */ + "WHERE {" /* Start defining the search and its scope */ + " ?file a nfo:FileDataObject . " /* File must be a file (not a stream, ...) */ + " ?file nie:url ?url . " /* Get the url of the file */ +@@ -293,21 +293,18 @@ brasero_search_tracker_query_start_real (BraseroSearchEngine *search, + " ) "); + } + +- if (priv->keywords) ++ if (priv->keywords) { + g_string_append_printf (query, + " ?file fts:match \"%s\" ", /* File must match possible keywords */ + priv->keywords); + +- g_string_append (query, +- " } " +- "ORDER BY ASC(fts:rank(?file)) " +- "OFFSET 0 " +- "LIMIT 10000"); +- +- g_string_append (query, ")"); +- +- g_string_append (query, +- "} ORDER BY DESC(?url) DESC(nfo:fileName(?file))"); ++ g_string_append (query, ++ " } " ++ "ORDER BY ASC(fts:rank(?file))"); ++ } else { ++ g_string_append (query, ++ "} ORDER BY DESC(?url) DESC(nfo:fileName(?file))"); ++ } + + tracker_sparql_connection_query_async (priv->connection, + query->str, +-- +GitLab + + +From ede7758e2fae487d57be641a120c4c02bfd249f1 Mon Sep 17 00:00:00 2001 +From: Carlos Garnacho +Date: Thu, 24 Dec 2020 13:15:21 +0100 +Subject: [PATCH 4/5] Observe nfo:FileDataObject/nie:InformationElement split + +These resources are interpreted differently in Tracker 3.0 compared +to older versions, the newer version makes those 2 different resources +(one representing the "file", other the "content) that relate to each +other. In older tracker versions, these 2 aspects were conflated in +a single resource. + +The query is implicitly crossing that barrier, so make it explicit. +With this change, the query may run with either version. +--- + src/brasero-search-tracker.c | 5 +++-- + 1 file changed, 3 insertions(+), 2 deletions(-) + +diff --git a/src/brasero-search-tracker.c b/src/brasero-search-tracker.c +index ae1d388a..9aa06289 100644 +--- a/src/brasero-search-tracker.c ++++ b/src/brasero-search-tracker.c +@@ -238,7 +238,8 @@ brasero_search_tracker_query_start_real (BraseroSearchEngine *search, + "WHERE {" /* Start defining the search and its scope */ + " ?file a nfo:FileDataObject . " /* File must be a file (not a stream, ...) */ + " ?file nie:url ?url . " /* Get the url of the file */ +- " ?file nie:mimeType ?mime . "); /* Get its mime */ ++ " ?file nie:mimeType ?mime . " /* Get its mime */ ++ " ?content nie:isStoredAs ?file . "); /* Get the resource representing the content */ + + if (priv->mimes) { + int i; +@@ -259,7 +260,7 @@ brasero_search_tracker_query_start_real (BraseroSearchEngine *search, + gboolean param_added = FALSE; + + g_string_append (query, +- " ?file a ?type . " ++ " ?content a ?type . " + " FILTER ( "); + + if (priv->scope & BRASERO_SEARCH_SCOPE_MUSIC) { +-- +GitLab + + +From 05589be7da3a0dfb00617df049d129abba703c36 Mon Sep 17 00:00:00 2001 +From: Carlos Garnacho +Date: Thu, 24 Dec 2020 13:22:43 +0100 +Subject: [PATCH 5/5] Support Tracker 3.0 + +Add the compile-time checks, and add the minimal code catering for +the API changes. In 3.0 connections are no longer singletons. +--- + configure.ac | 6 +++++- + src/brasero-search-tracker.c | 8 ++++++++ + 2 files changed, 13 insertions(+), 1 deletion(-) + +diff --git a/configure.ac b/configure.ac +index d0c7a870..96afc551 100644 +--- a/configure.ac ++++ b/configure.ac +@@ -388,7 +388,7 @@ AC_ARG_ENABLE(search, + if test x"$enable_search" != "xno"; then + # Try to figure out the tracker API version to use + tracker_api="0.10" +- m4_foreach([VERSION], [[0.10], [0.12], [0.14], [0.16], [0.18], [1.0], [2.0]], ++ m4_foreach([VERSION], [[0.10], [0.12], [0.14], [0.16], [0.18], [1.0], [2.0], [3.0]], + [PKG_CHECK_EXISTS([tracker-sparql-VERSION >= $TRACKER_REQUIRED], + [tracker_api="VERSION"]) + ]) +@@ -408,6 +408,10 @@ if test x"$enable_search" = "xyes"; then + AC_SUBST(BRASERO_SEARCH_LIBS) + build_tracker="yes" + build_search="yes" ++ ++ if test x"$tracker_api" = x"3.0"; then ++ AC_DEFINE(HAVE_TRACKER3, 1, [define if tracker3 is available]) ++ fi + else + build_search="no" + fi +diff --git a/src/brasero-search-tracker.c b/src/brasero-search-tracker.c +index 9aa06289..40c5f1ac 100644 +--- a/src/brasero-search-tracker.c ++++ b/src/brasero-search-tracker.c +@@ -17,6 +17,8 @@ + * with this program. If not, see . + */ + ++#include "config.h" ++ + #include + + #include +@@ -444,7 +446,13 @@ brasero_search_tracker_init (BraseroSearchTracker *object) + + priv = BRASERO_SEARCH_TRACKER_PRIVATE (object); + priv->cancellable = g_cancellable_new (); ++ ++#ifdef HAVE_TRACKER3 ++ priv->connection = tracker_sparql_connection_bus_new ("org.freedesktop.Tracker3.Miner.Files", ++ NULL, NULL, &error); ++#else + priv->connection = tracker_sparql_connection_get (priv->cancellable, &error); ++#endif + + if (error) { + g_warning ("Could not establish a connection to Tracker: %s", error->message); +-- +GitLab +