[tracker-miners/wip/carlosg/cli-split: 8/23] Add support to TrackerResource for outputting metadata as JSON-LD

[Carlos Garnacho <carlosg src gnome org>]

commit ef02c1f53ed75de29dd79354ea3067e2f333872a
Author: Sam Thursfield <sam afuera me uk>
Date:   Thu Apr 7 17:30:56 2016 +0100

    Add support to TrackerResource for outputting metadata as JSON-LD
    
    This also adds `tracker extract -o json` to dump resources in JSON-LD,
    in anticipation of corresponding updates in tracker-miners.git.

 src/tracker/tracker-extract.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/src/tracker/tracker-extract.c b/src/tracker/tracker-extract.c
index 9b5e737d8..040fc059b 100644
--- a/src/tracker/tracker-extract.c
+++ b/src/tracker/tracker-extract.c
@@ -42,7 +42,7 @@ static GOptionEntry entries[] = {
          N_("Sets the logging verbosity to LEVEL (“debug”, “detailed”, “minimal”, “errors”) for all 
processes"),
          N_("LEVEL") },
        { "output-format", 'o', 0, G_OPTION_ARG_STRING, &output_format,
-         N_("Output results format: “sparql”, or “turtle”"),
+         N_("Output results format: 'sparql', 'turtle' or 'json-ld'"),
          N_("FORMAT") },
        { G_OPTION_REMAINING, 0, 0, G_OPTION_ARG_FILENAME_ARRAY, &filenames,
          N_("FILE"),