Try to provide JSON output from `current` endpoint in hamster by in-line determinig output format

hamster-current-json-inline.diff

diff --git a/src/hamster-cli.py b/src/hamster-cli.py
old mode 100644
new mode 100755
index 2da4bd75..1448c692
--- a/src/hamster-cli.py
+++ b/src/hamster-cli.py
@@ -25,6 +25,7 @@
 import sys, os
 import argparse
 import re
+import json
 
 import gi
 gi.require_version('Gdk', '3.0')  # noqa: E402
@@ -317,13 +318,33 @@ class HamsterCli(object):
 
     def current(self, *args):
         """prints current activity. kinda minimal right now"""
+        print_format = 'text'
+        if args:
+            print_format = args[0]
+
         facts = self.storage.get_todays_facts()
         if facts and not facts[-1].end_time:
-            print("{} {}".format(str(facts[-1]).strip(),
-                                 facts[-1].delta.format(fmt="HH:MM")))
-        else:
-            print((_("No activity")))
+            fact = facts[-1]
+            if print_format == 'json':
+                print(json.dumps({
+                    "name": fact.activity,
+                    "start_time": str(fact.start_time),
+                    "end_time": str(fact.end_time),
+                    "duration_minutes": stuff.duration_minutes(fact.delta),
+                    "category": fact.category,
+                    "description": fact.description,
+                    "tags": ": ".join(fact.tags),
+                }))
+            else:
+                """ Use text if format unknown """
+                print("{} {}".format(str(fact).strip(),
+                                     fact.delta.format(fmt="HH:MM")))
 
+        else:
+            if print_format == 'json':
+                print(json.dumps({}))
+            else:
+                print((_("No activity")))
 
     def search(self, *args):
         """search for activities by name and optionally within a date range"""
@@ -424,7 +445,7 @@ Actions:
       term
     * export [html|tsv|ical|xml|json] [start-date [end-date]]: Export activities with
       the specified format
-    * current: Print current activity
+    * current [text|json]: Print current activity
     * activities: List all the activities names, one per line.
     * categories: List all the categories names, one per line.