{"id":48,"date":"2012-08-07T08:22:00","date_gmt":"2012-08-07T08:22:00","guid":{"rendered":"https:\/\/www.root42.de\/blog\/?p=48"},"modified":"2012-08-07T08:22:00","modified_gmt":"2012-08-07T08:22:00","slug":"updating-gnu-global-gtags-file-when-emacs-is-idle","status":"publish","type":"post","link":"https:\/\/www.root42.de\/blog\/?p=48","title":{"rendered":"Updating GNU Global GTAGS file when Emacs is idle"},"content":{"rendered":"<p><a href=\"http:\/\/www.gnu.org\/software\/global\/\">GNU Global<\/a> is a very useful code navigation tool. In order for it to work well, it needs to be run regularly. Until now, I used the after-save-hook, to keep it up to date. However, when using <a href=\"https:\/\/github.com\/senny\/emacs-eclim\">emacs-eclim<\/a> (also see <a href=\"http:\/\/eclim.org\/\">Eclim<\/a>), saving becomes so frequent that performance takes a massive hit. So I whipped up this small code snippet to run Global only when Emacs is idle for some number of seconds (default is 10): <\/p>\n<pre><br \/>(defcustom my-gtags-update-idle-time 10<br \/>  \"Number of idle seconds before an incremental gtags update is launched\"<br \/>  :group 'my-group ;; Put whatever customization group you like here<br \/>  :type 'integer<br \/>  )<br \/>(run-with-idle-timer my-gtags-update-idle-time t<br \/>                     (lambda ()<br \/>                       (if (not (minibufferp) )<br \/>                           (progn<br \/>                             (message \"Running gtags...\")<br \/>                             (global-update-incrementally)<br \/>                             )<br \/>                         ) <br \/>                       )<br \/>                     )<br \/><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>GNU Global is a very useful code navigation tool. In order for it to work well, it needs to be run regularly. Until now, I used the after-save-hook, to keep it up to date. However, when using emacs-eclim (also see Eclim), saving becomes so frequent that performance takes a massive hit. So I whipped up &hellip; <a href=\"https:\/\/www.root42.de\/blog\/?p=48\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Updating GNU Global GTAGS file when Emacs is idle&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[7,6,37],"tags":[],"_links":{"self":[{"href":"https:\/\/www.root42.de\/blog\/index.php?rest_route=\/wp\/v2\/posts\/48"}],"collection":[{"href":"https:\/\/www.root42.de\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.root42.de\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.root42.de\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.root42.de\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=48"}],"version-history":[{"count":0,"href":"https:\/\/www.root42.de\/blog\/index.php?rest_route=\/wp\/v2\/posts\/48\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.root42.de\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=48"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.root42.de\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=48"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.root42.de\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=48"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}