try noop and easy async for spawning stuff

awesome/music.lua

@@ -27,6 +27,19 @@ local function set_text(text)
     end
 end
 
+local function try_noop()
+
+    awful.spawn.easy_async_with_shell('sleep 2s && music-client noop', function(stdout, stderr, reason, code)
+
+        if code == 1 then
+            try_noop()
+        elseif code == 0 then
+            ret.execute_command('noop')
+        end
+    end);
+
+end
+
 ret.execute_command = function(command, arg)
 
     awful.spawn.easy_async({'music-client', command, arg}, function(stdout, stderr, reason, code)
@@ -53,8 +66,7 @@ ret.execute_command = function(command, arg)
         elseif start_server_command then
             -- Start the server and re-exec the command
             os.execute('music-server&')
-            os.execute('sleep 0.2')
+            try_noop()
-            ret.execute_command('noop')
         else
             set_text('music-server not running')
         end

awesome/rc.lua

@@ -433,51 +433,52 @@ globalkeys = awful.util.table.join(
         end, {description = "skip to the previous music", group="custom"}),
 
     awful.key({ }, "Print", function ()
-            os.execute('gnome-screenshot -fp "`echo -n ' .. home .. '"/Pictures/Captures/Capture du " && date "+%Y-%m-%d %H:%M:%S"`.png"')
+            awful.spawn.easy_async_with_shell('gnome-screenshot -fp "`echo -n ' .. home .. '"/Pictures/Captures/Capture du " && date "+%Y-%m-%d %H:%M:%S"`.png"')
         end, {description = "capture the screen", group="custom"}),
 
     awful.key({modkey}, "a", function ()
-            os.execute(options.browser .. '&')
+            awful.spawn.easy_async(options.browser, function() end)
             naughty.notify({title = "Starting " .. options.browser})
         end, {description="start the web browser", group="custom"}),
 
     awful.key({modkey}, "l", function()
-        os.execute('bash -c "sleep 0.1 && xset dpms force off && slock"')
+        awful.spawn.easy_async('bash -c "sleep 0.1 && xset dpms force off && slock"', function() end)
     end, { description="Locks the screen", group="custom"}),
 
     awful.key({modkey, "Shift"}, "Tab", function()
-            os.execute('xdotool key Caps_Lock')
+            awful.spawn.easy_async('xdotool key Caps_Lock', function() end)
         end, {description="switch the caps lock", group="custom"}),
 
     awful.key({modkey}, "#83", function()
-        os.execute("tv.py enable left")
+        awful.spawn.easy_async("tv.py enable left", function() end)
     end, {description="lol", group="custom"}),
 
     awful.key({modkey}, "#84", function()
-        os.execute("tv.py duplicate")
+        awful.spawn.easy_async("tv.py duplicate", function() end)
     end, {description="lol", group="custom"}),
 
     awful.key({modkey}, "#85", function()
-        os.execute("tv.py enable right")
+        awful.spawn.easy_async("tv.py enable right", function() end)
     end, {description="lol", group="custom"}),
 
     awful.key({modkey}, "#80", function()
-        os.execute("tv.py enable above")
+        awful.spawn.easy_async("tv.py enable above", function() end)
     end, {description="lol", group="custom"}),
 
     awful.key({modkey}, "#88", function()
-        os.execute("tv.py enable below")
+        awful.spawn.easy_async("tv.py enable below", function() end)
     end, {description="lol", group="custom"}),
 
     awful.key({modkey}, "#90", function()
-        os.execute("tv.py disable")
+        awful.spawn.easy_async("tv.py disable", function() end)
     end, {description="lol", group="custom"}),
 
     awful.key({modkey, "Shift"}, "m", function()
-        os.execute('sleep 0.5')
+        awful.spawn.easy_async('sleep 0.5', function()
             for i = 1, #options.email do
                 os.execute('xdotool type --clearmodifiers ' .. options.email:sub(i,i))
             end
+        end)
     end, {description="lol", group="autoinput"})
 )