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-rw-r--r--pkgs/applications/audio/cozy-audiobooks/default.nix4
-rw-r--r--pkgs/applications/audio/gpodder/default.nix4
-rw-r--r--pkgs/applications/audio/lollypop/default.nix4
-rw-r--r--pkgs/applications/audio/mopidy/default.nix4
-rw-r--r--pkgs/applications/audio/mopidy/local-images.nix4
-rw-r--r--pkgs/applications/audio/pithos/default.nix4
-rw-r--r--pkgs/applications/audio/quodlibet/default.nix4
-rw-r--r--pkgs/applications/audio/sonata/default.nix4
-rw-r--r--pkgs/applications/audio/vocal/default.nix4
-rw-r--r--pkgs/applications/display-managers/lightdm/default.nix4
-rw-r--r--pkgs/applications/editors/gnome-builder/default.nix4
-rw-r--r--pkgs/applications/editors/quilter/default.nix4
-rw-r--r--pkgs/applications/editors/rednotebook/default.nix4
-rw-r--r--pkgs/applications/graphics/mypaint/default.nix4
-rw-r--r--pkgs/applications/graphics/photoflow/default.nix4
-rw-r--r--pkgs/applications/graphics/rapid-photo-downloader/default.nix4
-rw-r--r--pkgs/applications/graphics/shotwell/default.nix4
-rw-r--r--pkgs/applications/misc/font-manager/default.nix4
-rw-r--r--pkgs/applications/misc/gImageReader/default.nix4
-rw-r--r--pkgs/applications/misc/gramps/default.nix4
-rw-r--r--pkgs/applications/misc/guake/default.nix4
-rw-r--r--pkgs/applications/misc/kupfer/default.nix4
-rw-r--r--pkgs/applications/misc/notejot/default.nix4
-rw-r--r--pkgs/applications/misc/onboard/default.nix4
-rw-r--r--pkgs/applications/misc/orca/default.nix4
-rw-r--r--pkgs/applications/misc/pdf-quench/default.nix2
-rw-r--r--pkgs/applications/misc/pdfpc/default.nix4
-rw-r--r--pkgs/applications/misc/plank/default.nix4
-rw-r--r--pkgs/applications/misc/redshift/default.nix4
-rw-r--r--pkgs/applications/misc/regextester/default.nix4
-rw-r--r--pkgs/applications/misc/safeeyes/default.nix4
-rw-r--r--pkgs/applications/misc/sequeler/default.nix4
-rw-r--r--pkgs/applications/misc/solaar/default.nix4
-rw-r--r--pkgs/applications/misc/synapse/default.nix4
-rw-r--r--pkgs/applications/misc/terminator/default.nix4
-rw-r--r--pkgs/applications/misc/tootle/default.nix4
-rw-r--r--pkgs/applications/misc/udiskie/default.nix4
-rw-r--r--pkgs/applications/misc/workrave/default.nix4
-rw-r--r--pkgs/applications/networking/browsers/eolie/default.nix4
-rw-r--r--pkgs/applications/networking/corebird/default.nix4
-rw-r--r--pkgs/applications/networking/ftp/taxi/default.nix4
-rw-r--r--pkgs/applications/networking/instant-messengers/dino/default.nix4
-rw-r--r--pkgs/applications/networking/instant-messengers/gajim/default.nix4
-rw-r--r--pkgs/applications/networking/instant-messengers/telepathy/logger/default.nix4
-rw-r--r--pkgs/applications/networking/mailreaders/balsa/default.nix4
-rw-r--r--pkgs/applications/networking/newsreaders/liferea/default.nix4
-rw-r--r--pkgs/applications/networking/syncthing-gtk/default.nix4
-rw-r--r--pkgs/applications/networking/transporter/default.nix4
-rw-r--r--pkgs/applications/networking/weather/meteo/default.nix4
-rw-r--r--pkgs/applications/office/aesop/default.nix4
-rw-r--r--pkgs/applications/office/autokey/default.nix4
-rw-r--r--pkgs/applications/office/bookworm/default.nix4
-rw-r--r--pkgs/applications/office/spice-up/default.nix4
-rw-r--r--pkgs/applications/office/tryton/default.nix4
-rw-r--r--pkgs/applications/science/math/nasc/default.nix4
-rw-r--r--pkgs/applications/search/catfish/default.nix4
-rw-r--r--pkgs/applications/version-management/meld/default.nix4
-rw-r--r--pkgs/applications/video/gnomecast/default.nix4
-rw-r--r--pkgs/applications/video/kazam/default.nix4
-rw-r--r--pkgs/applications/video/mpv/scripts/mpris.nix4
-rw-r--r--pkgs/applications/video/pitivi/default.nix6
-rw-r--r--pkgs/applications/virtualization/virt-manager/default.nix4
-rw-r--r--pkgs/applications/window-managers/awesome/default.nix4
-rw-r--r--pkgs/applications/window-managers/i3/i3ipc-glib.nix4
64 files changed, 128 insertions, 128 deletions
diff --git a/pkgs/applications/audio/cozy-audiobooks/default.nix b/pkgs/applications/audio/cozy-audiobooks/default.nix
index 1b996f9f0c5ec..3d7d63c4be6de 100644
--- a/pkgs/applications/audio/cozy-audiobooks/default.nix
+++ b/pkgs/applications/audio/cozy-audiobooks/default.nix
@@ -8,7 +8,7 @@
 , desktop-file-utils
 , gtk3
 , gst_all_1
-, gobjectIntrospection
+, gobject-introspection
 , python3Packages
 , file
 , cairo
@@ -36,7 +36,7 @@ python3Packages.buildPythonApplication rec {
     wrapGAppsHook
     appstream-glib
     desktop-file-utils
-    gobjectIntrospection
+    gobject-introspection
   ];
 
   buildInputs = [
diff --git a/pkgs/applications/audio/gpodder/default.nix b/pkgs/applications/audio/gpodder/default.nix
index ccd20a6b7b2b3..342f495767db4 100644
--- a/pkgs/applications/audio/gpodder/default.nix
+++ b/pkgs/applications/audio/gpodder/default.nix
@@ -1,6 +1,6 @@
 { stdenv, fetchFromGitHub, python3, python3Packages, intltool
 , glibcLocales, gnome3, gtk3, wrapGAppsHook
-, ipodSupport ? false, libgpod, gobjectIntrospection
+, ipodSupport ? false, libgpod, gobject-introspection
 }:
 
 python3Packages.buildPythonApplication rec {
@@ -27,7 +27,7 @@ python3Packages.buildPythonApplication rec {
 
   buildInputs = [
     python3
-    gobjectIntrospection
+    gobject-introspection
     gnome3.defaultIconTheme
   ];
 
diff --git a/pkgs/applications/audio/lollypop/default.nix b/pkgs/applications/audio/lollypop/default.nix
index f68d93fa69d4f..df43e5ed3b3d0 100644
--- a/pkgs/applications/audio/lollypop/default.nix
+++ b/pkgs/applications/audio/lollypop/default.nix
@@ -1,7 +1,7 @@
 { stdenv, fetchgit, meson, ninja, pkgconfig
 , python3, gtk3, gst_all_1, libsecret, libsoup
 , appstream-glib, desktop-file-utils, gnome3
-, gobjectIntrospection, wrapGAppsHook }:
+, gobject-introspection, wrapGAppsHook }:
 
 python3.pkgs.buildPythonApplication rec  {
   version = "0.9.611";
@@ -20,7 +20,7 @@ python3.pkgs.buildPythonApplication rec  {
   nativeBuildInputs = with python3.pkgs; [
     appstream-glib
     desktop-file-utils
-    gobjectIntrospection
+    gobject-introspection
     meson
     ninja
     pkgconfig
diff --git a/pkgs/applications/audio/mopidy/default.nix b/pkgs/applications/audio/mopidy/default.nix
index a782cf839bfe0..81b14a6945347 100644
--- a/pkgs/applications/audio/mopidy/default.nix
+++ b/pkgs/applications/audio/mopidy/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchFromGitHub, pythonPackages, wrapGAppsHook
-, gst_all_1, glib-networking, gobjectIntrospection
+, gst_all_1, glib-networking, gobject-introspection
 }:
 
 pythonPackages.buildPythonApplication rec {
@@ -17,7 +17,7 @@ pythonPackages.buildPythonApplication rec {
 
   buildInputs = with gst_all_1; [
     gst-plugins-base gst-plugins-good gst-plugins-ugly gst-plugins-bad
-    glib-networking gobjectIntrospection
+    glib-networking gobject-introspection
   ];
 
   propagatedBuildInputs = with pythonPackages; [
diff --git a/pkgs/applications/audio/mopidy/local-images.nix b/pkgs/applications/audio/mopidy/local-images.nix
index 3e10904f3e69c..2ffc736572bf7 100644
--- a/pkgs/applications/audio/mopidy/local-images.nix
+++ b/pkgs/applications/audio/mopidy/local-images.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchFromGitHub, pythonPackages, mopidy, gobjectIntrospection }:
+{ stdenv, fetchFromGitHub, pythonPackages, mopidy, gobject-introspection }:
 
 pythonPackages.buildPythonApplication rec {
   pname = "mopidy-local-images";
@@ -11,7 +11,7 @@ pythonPackages.buildPythonApplication rec {
     sha256 = "0gdqxws0jish50mmi57mlqcs659wrllzv00czl18niz94vzvyc0d";
   };
 
-  buildInputs = [ gobjectIntrospection ];
+  buildInputs = [ gobject-introspection ];
 
   checkInputs = [
     pythonPackages.mock
diff --git a/pkgs/applications/audio/pithos/default.nix b/pkgs/applications/audio/pithos/default.nix
index 1d3fffb549d79..c7bb1a4193f95 100644
--- a/pkgs/applications/audio/pithos/default.nix
+++ b/pkgs/applications/audio/pithos/default.nix
@@ -1,4 +1,4 @@
-{ fetchFromGitHub, stdenv, pythonPackages, gtk3, gobjectIntrospection, libnotify
+{ fetchFromGitHub, stdenv, pythonPackages, gtk3, gobject-introspection, libnotify
 , gst_all_1, wrapGAppsHook }:
 
 pythonPackages.buildPythonApplication rec {
@@ -27,7 +27,7 @@ pythonPackages.buildPythonApplication rec {
   buildInputs = [ wrapGAppsHook ];
 
   propagatedBuildInputs =
-    [ gtk3 gobjectIntrospection libnotify ] ++
+    [ gtk3 gobject-introspection libnotify ] ++
     (with gst_all_1; [ gstreamer gst-plugins-base gst-plugins-good gst-plugins-ugly gst-plugins-bad ]) ++
     (with pythonPackages; [ pygobject3 pylast ]);
 
diff --git a/pkgs/applications/audio/quodlibet/default.nix b/pkgs/applications/audio/quodlibet/default.nix
index e26c2496d5664..6c930ceb05a5e 100644
--- a/pkgs/applications/audio/quodlibet/default.nix
+++ b/pkgs/applications/audio/quodlibet/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchurl, python3, wrapGAppsHook, gettext, intltool, libsoup, gnome3, gtk3, gdk_pixbuf,
-  tag ? "", xvfb_run, dbus, glibcLocales, glib, glib-networking, gobjectIntrospection,
+  tag ? "", xvfb_run, dbus, glibcLocales, glib, glib-networking, gobject-introspection,
   gst_all_1, withGstPlugins ? true,
   xineBackend ? false, xineLib,
   withDbusPython ? false, withPyInotify ? false, withMusicBrainzNgs ? false, withPahoMqtt ? false,
@@ -24,7 +24,7 @@ python3.pkgs.buildPythonApplication rec {
 
   checkInputs = with python3.pkgs; [ pytest pytest_xdist pyflakes pycodestyle polib xvfb_run dbus.daemon glibcLocales ];
 
-  buildInputs = [ gnome3.defaultIconTheme libsoup glib glib-networking gtk3 webkitgtk gdk_pixbuf keybinder3 gtksourceview libmodplug libappindicator-gtk3 kakasi gobjectIntrospection ]
+  buildInputs = [ gnome3.defaultIconTheme libsoup glib glib-networking gtk3 webkitgtk gdk_pixbuf keybinder3 gtksourceview libmodplug libappindicator-gtk3 kakasi gobject-introspection ]
     ++ (if xineBackend then [ xineLib ] else with gst_all_1;
     [ gstreamer gst-plugins-base ] ++ optionals withGstPlugins [ gst-plugins-good gst-plugins-ugly gst-plugins-bad ]);
 
diff --git a/pkgs/applications/audio/sonata/default.nix b/pkgs/applications/audio/sonata/default.nix
index 0affe5dc89d4e..3aaaae8563919 100644
--- a/pkgs/applications/audio/sonata/default.nix
+++ b/pkgs/applications/audio/sonata/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchFromGitHub, pkgconfig, intltool, wrapGAppsHook
-, python3Packages, gnome3, gtk3, gobjectIntrospection}:
+, python3Packages, gnome3, gtk3, gobject-introspection}:
 
 let
   inherit (python3Packages) buildPythonApplication isPy3k dbus-python pygobject3 mpd2;
@@ -29,7 +29,7 @@ in buildPythonApplication rec {
   '';
 
   propagatedBuildInputs = [
-    gobjectIntrospection gtk3 pygobject3
+    gobject-introspection gtk3 pygobject3
   ];
 
   # The optional tagpy dependency (for editing metadata) is not yet
diff --git a/pkgs/applications/audio/vocal/default.nix b/pkgs/applications/audio/vocal/default.nix
index af8b3ac93949b..75f67adf46456 100644
--- a/pkgs/applications/audio/vocal/default.nix
+++ b/pkgs/applications/audio/vocal/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchFromGitHub, cmake, ninja, pkgconfig, vala_0_40, gtk3, libxml2, granite, webkitgtk, clutter-gtk
-, clutter-gst, libunity, libnotify, sqlite, gst_all_1, libsoup, json-glib, gnome3, gobjectIntrospection, wrapGAppsHook }:
+, clutter-gst, libunity, libnotify, sqlite, gst_all_1, libsoup, json-glib, gnome3, gobject-introspection, wrapGAppsHook }:
 
 stdenv.mkDerivation rec {
   pname = "vocal";
@@ -16,7 +16,7 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [
     cmake
-    gobjectIntrospection
+    gobject-introspection
     libxml2
     ninja
     pkgconfig
diff --git a/pkgs/applications/display-managers/lightdm/default.nix b/pkgs/applications/display-managers/lightdm/default.nix
index da7189f9196ff..36928a29897b4 100644
--- a/pkgs/applications/display-managers/lightdm/default.nix
+++ b/pkgs/applications/display-managers/lightdm/default.nix
@@ -1,6 +1,6 @@
 { stdenv, fetchFromGitHub, pam, pkgconfig, autoconf, automake, libtool, libxcb
 , glib, libXdmcp, itstool, intltool, libxklavier, libgcrypt, audit, busybox
-, polkit, accountsservice, gtk-doc, gnome3, gobjectIntrospection, vala
+, polkit, accountsservice, gtk-doc, gnome3, gobject-introspection, vala
 , withQt4 ? false, qt4
 , withQt5 ? false, qtbase
 }:
@@ -27,7 +27,7 @@ stdenv.mkDerivation rec {
     automake
     gnome3.yelp-tools
     gnome3.yelp-xsl
-    gobjectIntrospection
+    gobject-introspection
     gtk-doc
     intltool
     itstool
diff --git a/pkgs/applications/editors/gnome-builder/default.nix b/pkgs/applications/editors/gnome-builder/default.nix
index 9f871eec799c6..a66b3ba6322d6 100644
--- a/pkgs/applications/editors/gnome-builder/default.nix
+++ b/pkgs/applications/editors/gnome-builder/default.nix
@@ -7,7 +7,7 @@
 , flatpak
 , glibcLocales
 , gnome3
-, gobjectIntrospection
+, gobject-introspection
 , gspell
 , gtk-doc
 , gtk3
@@ -46,7 +46,7 @@ in stdenv.mkDerivation {
     docbook_xsl
     docbook_xml_dtd_43
     glibcLocales # for Meson's gtkdochelper
-    gobjectIntrospection
+    gobject-introspection
     gtk-doc
     hicolor-icon-theme
     meson
diff --git a/pkgs/applications/editors/quilter/default.nix b/pkgs/applications/editors/quilter/default.nix
index 87ffd3256a882..b9fe90be9fb22 100644
--- a/pkgs/applications/editors/quilter/default.nix
+++ b/pkgs/applications/editors/quilter/default.nix
@@ -1,6 +1,6 @@
 { stdenv, fetchFromGitHub, fetchpatch, vala_0_40, pkgconfig, meson, ninja, python3
 , granite, gtk3, desktop-file-utils, gnome3, gtksourceview, webkitgtk, gtkspell3
-, discount, gobjectIntrospection, wrapGAppsHook }:
+, discount, gobject-introspection, wrapGAppsHook }:
 
 stdenv.mkDerivation rec {
   pname = "quilter";
@@ -17,7 +17,7 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [
     desktop-file-utils
-    gobjectIntrospection
+    gobject-introspection
     meson
     ninja
     pkgconfig
diff --git a/pkgs/applications/editors/rednotebook/default.nix b/pkgs/applications/editors/rednotebook/default.nix
index 9a181f3dae70b..de9a089ec8c6b 100644
--- a/pkgs/applications/editors/rednotebook/default.nix
+++ b/pkgs/applications/editors/rednotebook/default.nix
@@ -1,5 +1,5 @@
 { lib, buildPythonApplication, fetchFromGitHub
-, gdk_pixbuf, glib, gobjectIntrospection, gtk3, gtksourceview, pango, webkitgtk
+, gdk_pixbuf, glib, gobject-introspection, gtk3, gtksourceview, pango, webkitgtk
 , pygobject3, pyyaml
 }:
 
@@ -17,7 +17,7 @@ buildPythonApplication rec {
   # We have not packaged tests.
   doCheck = false;
 
-  nativeBuildInputs = [ gobjectIntrospection ];
+  nativeBuildInputs = [ gobject-introspection ];
 
   propagatedBuildInputs = [
     gdk_pixbuf glib gtk3 gtksourceview pango webkitgtk
diff --git a/pkgs/applications/graphics/mypaint/default.nix b/pkgs/applications/graphics/mypaint/default.nix
index a22f9c7ac1f5b..36c7e7e2fb30d 100644
--- a/pkgs/applications/graphics/mypaint/default.nix
+++ b/pkgs/applications/graphics/mypaint/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchFromGitHub, gtk3, intltool, json_c, lcms2, libpng, librsvg, gobjectIntrospection, hicolor-icon-theme
+{ stdenv, fetchFromGitHub, gtk3, intltool, json_c, lcms2, libpng, librsvg, gobject-introspection, hicolor-icon-theme
 , gdk_pixbuf, pkgconfig, python2Packages, scons, swig, wrapGAppsHook }:
 
 let
@@ -17,7 +17,7 @@ in stdenv.mkDerivation rec {
 
   nativeBuildInputs = [
     intltool pkgconfig scons swig wrapGAppsHook
-    gobjectIntrospection # for setup hook
+    gobject-introspection # for setup hook
   ];
 
   buildInputs = [
diff --git a/pkgs/applications/graphics/photoflow/default.nix b/pkgs/applications/graphics/photoflow/default.nix
index 6f3bf69889c53..db41ee0566fea 100644
--- a/pkgs/applications/graphics/photoflow/default.nix
+++ b/pkgs/applications/graphics/photoflow/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchFromGitHub, gettext, glib, libxml2, pkgconfig, swig, automake, gobjectIntrospection, cmake, ninja, libtiff, libjpeg, fftw, exiv2, lensfun, gtkmm2, libraw, lcms2, libexif, vips, expat, pcre, pugixml }:
+{ stdenv, fetchFromGitHub, gettext, glib, libxml2, pkgconfig, swig, automake, gobject-introspection, cmake, ninja, libtiff, libjpeg, fftw, exiv2, lensfun, gtkmm2, libraw, lcms2, libexif, vips, expat, pcre, pugixml }:
 
 stdenv.mkDerivation {
   name = "photoflow-unstable-2018-08-28";
@@ -17,7 +17,7 @@ stdenv.mkDerivation {
     pkgconfig
     swig
     automake
-    gobjectIntrospection
+    gobject-introspection
     cmake
     ninja
   ];
diff --git a/pkgs/applications/graphics/rapid-photo-downloader/default.nix b/pkgs/applications/graphics/rapid-photo-downloader/default.nix
index 59d6fec45dae4..36087aa84bb3b 100644
--- a/pkgs/applications/graphics/rapid-photo-downloader/default.nix
+++ b/pkgs/applications/graphics/rapid-photo-downloader/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchurl, python3Packages
-, file, intltool, gobjectIntrospection, libgudev
+, file, intltool, gobject-introspection, libgudev
 , udisks, glib, gnome3, gst_all_1, libnotify
 , exiv2, exiftool, qt5, gdk_pixbuf
 }:
@@ -23,7 +23,7 @@ python3Packages.buildPythonApplication rec {
       --replace "import problemnotification" "import raphodo.problemnotification"
   '';
 
-  nativeBuildInputs = [ file intltool gobjectIntrospection ];
+  nativeBuildInputs = [ file intltool gobject-introspection ];
 
   buildInputs = [
     libgudev
diff --git a/pkgs/applications/graphics/shotwell/default.nix b/pkgs/applications/graphics/shotwell/default.nix
index 8eba574ef836e..aef7143f7e033 100644
--- a/pkgs/applications/graphics/shotwell/default.nix
+++ b/pkgs/applications/graphics/shotwell/default.nix
@@ -1,7 +1,7 @@
 { fetchurl, stdenv, meson, ninja, gtk3, libexif, libgphoto2, libsoup, libxml2, vala, sqlite
 , webkitgtk, pkgconfig, gnome3, gst_all_1, libgudev, libraw, glib, json-glib
 , gettext, desktop-file-utils, gdk_pixbuf, librsvg, wrapGAppsHook
-, gobjectIntrospection, itstool, libgdata, python3 }:
+, gobject-introspection, itstool, libgdata, python3 }:
 
 # for dependencies see https://wiki.gnome.org/Apps/Shotwell/BuildingAndInstalling
 
@@ -17,7 +17,7 @@ in stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [
-    meson ninja vala pkgconfig itstool gettext desktop-file-utils python3 wrapGAppsHook gobjectIntrospection
+    meson ninja vala pkgconfig itstool gettext desktop-file-utils python3 wrapGAppsHook gobject-introspection
   ];
 
   buildInputs = [
diff --git a/pkgs/applications/misc/font-manager/default.nix b/pkgs/applications/misc/font-manager/default.nix
index 54392b03bfbfa..998074e8aa0f1 100644
--- a/pkgs/applications/misc/font-manager/default.nix
+++ b/pkgs/applications/misc/font-manager/default.nix
@@ -1,6 +1,6 @@
 { stdenv, fetchFromGitHub, automake, autoconf, libtool,
   pkgconfig, file, intltool, libxml2, json-glib , sqlite, itstool,
-  librsvg, vala, gnome3, wrapGAppsHook, gobjectIntrospection
+  librsvg, vala, gnome3, wrapGAppsHook, gobject-introspection
 }:
 
 stdenv.mkDerivation rec {
@@ -24,7 +24,7 @@ stdenv.mkDerivation rec {
     gnome3.yelp-tools
     wrapGAppsHook
     # For setup hook
-    gobjectIntrospection
+    gobject-introspection
   ];
 
   buildInputs = [
diff --git a/pkgs/applications/misc/gImageReader/default.nix b/pkgs/applications/misc/gImageReader/default.nix
index 18998f1fe0950..75783805fa3bb 100644
--- a/pkgs/applications/misc/gImageReader/default.nix
+++ b/pkgs/applications/misc/gImageReader/default.nix
@@ -6,7 +6,7 @@
 
 # Gtk deps
 # upstream gImagereader supports Qt too
-, gtk3, gobjectIntrospection, wrapGAppsHook
+, gtk3, gobject-introspection, wrapGAppsHook
 , gnome3, gtkspell3, gtkspellmm, cairomm
 }:
 
@@ -33,7 +33,7 @@ stdenv.mkDerivation rec {
 
     # Gtk specific
     wrapGAppsHook
-    gobjectIntrospection
+    gobject-introspection
   ];
 
   buildInputs = [
diff --git a/pkgs/applications/misc/gramps/default.nix b/pkgs/applications/misc/gramps/default.nix
index 413679afd2195..920bec56a9bca 100644
--- a/pkgs/applications/misc/gramps/default.nix
+++ b/pkgs/applications/misc/gramps/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchFromGitHub, gtk3, pythonPackages, intltool, gnome3,
-  pango, gobjectIntrospection, wrapGAppsHook,
+  pango, gobject-introspection, wrapGAppsHook,
 # Optional packages:
  enableOSM ? true, osm-gps-map,
  enableGraphviz ? true, graphviz,
@@ -13,7 +13,7 @@ in buildPythonApplication rec {
   name = "gramps-${version}";
 
   nativeBuildInputs = [ wrapGAppsHook ];
-  buildInputs = [ intltool gtk3 gobjectIntrospection pango gnome3.gexiv2 ] 
+  buildInputs = [ intltool gtk3 gobject-introspection pango gnome3.gexiv2 ] 
     # Map support
     ++ stdenv.lib.optional enableOSM osm-gps-map
     # Graphviz support
diff --git a/pkgs/applications/misc/guake/default.nix b/pkgs/applications/misc/guake/default.nix
index 52105f49c5609..0541468345e92 100644
--- a/pkgs/applications/misc/guake/default.nix
+++ b/pkgs/applications/misc/guake/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchFromGitHub, python3, gettext, gobjectIntrospection, wrapGAppsHook, glibcLocales
+{ stdenv, fetchFromGitHub, python3, gettext, gobject-introspection, wrapGAppsHook, glibcLocales
 , gtk3, keybinder3, libnotify, libutempter, vte }:
 
 let
@@ -14,7 +14,7 @@ in python3.pkgs.buildPythonApplication rec {
     sha256 = "1j38z968ha8ij6wrgbwvr8ad930nvhybm9g7pf4s4zv6d3vln0vm";
   };
 
-  nativeBuildInputs = [ gettext gobjectIntrospection wrapGAppsHook python3.pkgs.pip glibcLocales ];
+  nativeBuildInputs = [ gettext gobject-introspection wrapGAppsHook python3.pkgs.pip glibcLocales ];
 
   buildInputs = [ gtk3 keybinder3 libnotify python3 vte ];
 
diff --git a/pkgs/applications/misc/kupfer/default.nix b/pkgs/applications/misc/kupfer/default.nix
index 0b07767d76037..33a2cf9320952 100644
--- a/pkgs/applications/misc/kupfer/default.nix
+++ b/pkgs/applications/misc/kupfer/default.nix
@@ -2,7 +2,7 @@
 , fetchurl
 , intltool
 , python3Packages
-, gobjectIntrospection
+, gobject-introspection
 , gtk3
 , libwnck3
 , keybinder3
@@ -25,7 +25,7 @@ buildPythonApplication rec {
   nativeBuildInputs = [
     wrapGAppsHook intltool
     # For setup hook
-    gobjectIntrospection wafHook
+    gobject-introspection wafHook
   ];
   buildInputs = [ hicolor-icon-theme docutils libwnck3 keybinder3 ];
   propagatedBuildInputs = [ pygobject3 gtk3 pyxdg dbus-python pycairo ];
diff --git a/pkgs/applications/misc/notejot/default.nix b/pkgs/applications/misc/notejot/default.nix
index 09c49135ca1c2..7ad834f81729d 100644
--- a/pkgs/applications/misc/notejot/default.nix
+++ b/pkgs/applications/misc/notejot/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchFromGitHub, vala_0_40, pkgconfig, meson, ninja, python3, granite
-, gtk3, gnome3, gtksourceview, json-glib, gobjectIntrospection, wrapGAppsHook }:
+, gtk3, gnome3, gtksourceview, json-glib, gobject-introspection, wrapGAppsHook }:
 
 stdenv.mkDerivation rec {
   pname = "notejot";
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [
-    gobjectIntrospection
+    gobject-introspection
     meson
     ninja
     pkgconfig
diff --git a/pkgs/applications/misc/onboard/default.nix b/pkgs/applications/misc/onboard/default.nix
index 78105ea535d6e..dbd79ba3e1b3c 100644
--- a/pkgs/applications/misc/onboard/default.nix
+++ b/pkgs/applications/misc/onboard/default.nix
@@ -7,7 +7,7 @@
 , glib
 , glibcLocales
 , gnome3
-, gobjectIntrospection
+, gobject-introspection
 , gsettings-desktop-schemas
 , gtk3
 , hunspell
@@ -88,7 +88,7 @@ in python3.pkgs.buildPythonApplication rec {
 
   nativeBuildInputs = [
     glibcLocales
-    gobjectIntrospection # populate GI_TYPELIB_PATH
+    gobject-introspection # populate GI_TYPELIB_PATH
     intltool
     pkgconfig
   ];
diff --git a/pkgs/applications/misc/orca/default.nix b/pkgs/applications/misc/orca/default.nix
index 802c56b431596..f52215fa4a260 100644
--- a/pkgs/applications/misc/orca/default.nix
+++ b/pkgs/applications/misc/orca/default.nix
@@ -1,5 +1,5 @@
 { stdenv, pkgconfig, fetchurl, buildPythonApplication
-, autoreconfHook, wrapGAppsHook, gobjectIntrospection
+, autoreconfHook, wrapGAppsHook, gobject-introspection
 , intltool, yelp-tools, itstool, libxmlxx3
 , python, pygobject3, gtk3, gnome3, substituteAll
 , at-spi2-atk, at-spi2-core, pyatspi, dbus, dbus-python, pyxdg
@@ -32,7 +32,7 @@ in buildPythonApplication rec {
 
   nativeBuildInputs = [
     autoreconfHook wrapGAppsHook pkgconfig libxmlxx3
-    intltool yelp-tools itstool gobjectIntrospection
+    intltool yelp-tools itstool gobject-introspection
   ];
 
   propagatedBuildInputs = [
diff --git a/pkgs/applications/misc/pdf-quench/default.nix b/pkgs/applications/misc/pdf-quench/default.nix
index 0829c4f91ccc0..f604684b19a12 100644
--- a/pkgs/applications/misc/pdf-quench/default.nix
+++ b/pkgs/applications/misc/pdf-quench/default.nix
@@ -14,7 +14,7 @@ pythonPackages.buildPythonApplication rec {
   nativeBuildInputs = [ wrapGAppsHook ];
   buildInputs = with pkgs; [
     gtk3
-    gobjectIntrospection
+    gobject-introspection
     goocanvas2
     poppler_gi
   ];
diff --git a/pkgs/applications/misc/pdfpc/default.nix b/pkgs/applications/misc/pdfpc/default.nix
index adfd9fa7eac4a..8b536e49316f2 100644
--- a/pkgs/applications/misc/pdfpc/default.nix
+++ b/pkgs/applications/misc/pdfpc/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchFromGitHub, cmake, makeWrapper, pkgconfig, vala, gtk3, libgee
-, poppler, libpthreadstubs, gstreamer, gst-plugins-base, librsvg, pcre, gobjectIntrospection }:
+, poppler, libpthreadstubs, gstreamer, gst-plugins-base, librsvg, pcre, gobject-introspection }:
 
 stdenv.mkDerivation rec {
   name = "${product}-${version}";
@@ -16,7 +16,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [
     cmake pkgconfig vala
     # For setup hook
-    gobjectIntrospection
+    gobject-introspection
   ];
   buildInputs = [ gstreamer gst-plugins-base gtk3 libgee poppler
     libpthreadstubs makeWrapper librsvg pcre ];
diff --git a/pkgs/applications/misc/plank/default.nix b/pkgs/applications/misc/plank/default.nix
index 46e26666b408a..f9291117ed4cc 100644
--- a/pkgs/applications/misc/plank/default.nix
+++ b/pkgs/applications/misc/plank/default.nix
@@ -1,7 +1,7 @@
 { stdenv, fetchurl, vala, atk, cairo, glib, gnome3, gtk3, libwnck3
 , libX11, libXfixes, libXi, pango, intltool, pkgconfig, libxml2
 , bamf, gdk_pixbuf, libdbusmenu-gtk3, file
-, wrapGAppsHook, autoreconfHook, gobjectIntrospection }:
+, wrapGAppsHook, autoreconfHook, gobject-introspection }:
 
 stdenv.mkDerivation rec {
   pname = "plank";
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
     intltool
     libxml2 # xmllint
     wrapGAppsHook
-    gobjectIntrospection
+    gobject-introspection
     autoreconfHook
   ];
 
diff --git a/pkgs/applications/misc/redshift/default.nix b/pkgs/applications/misc/redshift/default.nix
index 2bf4a011e59b8..d8512754f6a7c 100644
--- a/pkgs/applications/misc/redshift/default.nix
+++ b/pkgs/applications/misc/redshift/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchFromGitHub, autoconf, automake, gettext, intltool
-, libtool, pkgconfig, wrapGAppsHook, wrapPython, gobjectIntrospection
+, libtool, pkgconfig, wrapGAppsHook, wrapPython, gobject-introspection
 , gtk3, python, pygobject3, hicolor-icon-theme, pyxdg
 
 , withQuartz ? stdenv.isDarwin, ApplicationServices
@@ -47,7 +47,7 @@ stdenv.mkDerivation rec {
   ];
 
   buildInputs = [
-    gobjectIntrospection
+    gobject-introspection
     gtk3
     python
     hicolor-icon-theme
diff --git a/pkgs/applications/misc/regextester/default.nix b/pkgs/applications/misc/regextester/default.nix
index 6f056292d775a..2b902d27a3534 100644
--- a/pkgs/applications/misc/regextester/default.nix
+++ b/pkgs/applications/misc/regextester/default.nix
@@ -9,7 +9,7 @@
 , gnome3
 , meson
 , ninja
-, gobjectIntrospection
+, gobject-introspection
 , gsettings-desktop-schemas
 , vala_0_40
 , wrapGAppsHook }:
@@ -30,7 +30,7 @@ stdenv.mkDerivation rec {
     meson
     ninja
     gettext
-    gobjectIntrospection
+    gobject-introspection
     libxml2
     vala_0_40 # should be `elementary.vala` when elementary attribute set is merged
     wrapGAppsHook
diff --git a/pkgs/applications/misc/safeeyes/default.nix b/pkgs/applications/misc/safeeyes/default.nix
index e0c5946d564f1..54c2a68fd597e 100644
--- a/pkgs/applications/misc/safeeyes/default.nix
+++ b/pkgs/applications/misc/safeeyes/default.nix
@@ -1,4 +1,4 @@
-{ lib, python3Packages, gobjectIntrospection, libappindicator-gtk3, libnotify, gtk3, gnome3, xprintidle-ng, wrapGAppsHook, gdk_pixbuf, shared-mime-info, librsvg
+{ lib, python3Packages, gobject-introspection, libappindicator-gtk3, libnotify, gtk3, gnome3, xprintidle-ng, wrapGAppsHook, gdk_pixbuf, shared-mime-info, librsvg
 }:
 
 let inherit (python3Packages) python buildPythonApplication fetchPypi;
@@ -16,7 +16,7 @@ in buildPythonApplication rec {
 
   buildInputs = [
     gtk3
-    gobjectIntrospection
+    gobject-introspection
     gnome3.defaultIconTheme
     gnome3.adwaita-icon-theme
   ];
diff --git a/pkgs/applications/misc/sequeler/default.nix b/pkgs/applications/misc/sequeler/default.nix
index 24f4cbfe8eff3..2f91a9fa449b8 100644
--- a/pkgs/applications/misc/sequeler/default.nix
+++ b/pkgs/applications/misc/sequeler/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchFromGitHub
-, meson, ninja, pkgconfig, vala, gobjectIntrospection, gettext, wrapGAppsHook, python3, desktop-file-utils
+, meson, ninja, pkgconfig, vala, gobject-introspection, gettext, wrapGAppsHook, python3, desktop-file-utils
 , gtk3, glib, granite, libgee, libgda, gtksourceview, libxml2, libsecret }:
 
 
@@ -20,7 +20,7 @@ in stdenv.mkDerivation rec {
     sha256 = "14a0i9y003m4pvdfp4ax7jfxvyzvyfg45zhln44rm08rfngb0f7k";
   };
 
-  nativeBuildInputs = [ meson ninja pkgconfig vala gobjectIntrospection gettext wrapGAppsHook python3 desktop-file-utils ];
+  nativeBuildInputs = [ meson ninja pkgconfig vala gobject-introspection gettext wrapGAppsHook python3 desktop-file-utils ];
 
   buildInputs = [ gtk3 glib granite libgee sqlGda gtksourceview libxml2 libsecret ];
 
diff --git a/pkgs/applications/misc/solaar/default.nix b/pkgs/applications/misc/solaar/default.nix
index e26071dd36126..cb64365a944f9 100644
--- a/pkgs/applications/misc/solaar/default.nix
+++ b/pkgs/applications/misc/solaar/default.nix
@@ -1,4 +1,4 @@
-{fetchFromGitHub, stdenv, gtk3, pythonPackages, gobjectIntrospection}:
+{fetchFromGitHub, stdenv, gtk3, pythonPackages, gobject-introspection}:
 pythonPackages.buildPythonApplication rec {
   name = "solaar-unstable-${version}";
   version = "2018-02-02";
@@ -10,7 +10,7 @@ pythonPackages.buildPythonApplication rec {
     sha256 = "0zy5vmjzdybnjf0mpp8rny11sc43gmm8172svsm9s51h7x0v83y3";
   };
 
-  propagatedBuildInputs = [pythonPackages.pygobject3 pythonPackages.pyudev gobjectIntrospection gtk3];
+  propagatedBuildInputs = [pythonPackages.pygobject3 pythonPackages.pyudev gobject-introspection gtk3];
   postInstall = ''
     wrapProgram "$out/bin/solaar" \
       --prefix PYTHONPATH : "$PYTHONPATH" \
diff --git a/pkgs/applications/misc/synapse/default.nix b/pkgs/applications/misc/synapse/default.nix
index 0da0b83d64abd..ebae6fd7cfed1 100644
--- a/pkgs/applications/misc/synapse/default.nix
+++ b/pkgs/applications/misc/synapse/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchurl, gettext, pkgconfig, glib, libnotify, gtk3, libgee
-, keybinder3, json-glib, zeitgeist, vala_0_38, hicolor-icon-theme, gobjectIntrospection
+, keybinder3, json-glib, zeitgeist, vala_0_38, hicolor-icon-theme, gobject-introspection
 }:
 
 let
@@ -15,7 +15,7 @@ in stdenv.mkDerivation rec {
   nativeBuildInputs = [
     pkgconfig gettext vala_0_38
     # For setup hook
-    gobjectIntrospection
+    gobject-introspection
   ];
   buildInputs = [
     glib libnotify gtk3 libgee keybinder3 json-glib zeitgeist
diff --git a/pkgs/applications/misc/terminator/default.nix b/pkgs/applications/misc/terminator/default.nix
index 2fef852ace9f5..f32a27b9b78d7 100644
--- a/pkgs/applications/misc/terminator/default.nix
+++ b/pkgs/applications/misc/terminator/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, python2, keybinder3, intltool, file, gtk3, gobjectIntrospection
+{ stdenv, fetchurl, python2, keybinder3, intltool, file, gtk3, gobject-introspection
 , libnotify, wrapGAppsHook, gnome3
 }:
 
@@ -11,7 +11,7 @@ python2.pkgs.buildPythonApplication rec {
     sha256 = "95f76e3c0253956d19ceab2f8da709a496f1b9cf9b1c5b8d3cd0b6da3cc7be69";
   };
 
-  nativeBuildInputs = [ file intltool wrapGAppsHook gobjectIntrospection ];
+  nativeBuildInputs = [ file intltool wrapGAppsHook gobject-introspection ];
   buildInputs = [ gtk3 gnome3.vte libnotify keybinder3 ];
   propagatedBuildInputs = with python2.pkgs; [ pygobject3 psutil pycairo ];
 
diff --git a/pkgs/applications/misc/tootle/default.nix b/pkgs/applications/misc/tootle/default.nix
index d7a7de3687761..9043f9c42cabf 100644
--- a/pkgs/applications/misc/tootle/default.nix
+++ b/pkgs/applications/misc/tootle/default.nix
@@ -1,6 +1,6 @@
 { stdenv, fetchFromGitHub
 , meson, ninja, pkgconfig, python3
-, gnome3, vala, gobjectIntrospection, wrapGAppsHook
+, gnome3, vala, gobject-introspection, wrapGAppsHook
 , gtk3, granite
 , json-glib, glib, glib-networking
 }:
@@ -18,7 +18,7 @@ in stdenv.mkDerivation rec {
     sha256 = "1z3wyx316nns6gi7vlvcfmalhvxncmvcmmlgclbv6b6hwl5x2ysi";
   };
 
-  nativeBuildInputs = [ meson ninja pkgconfig python3 vala gobjectIntrospection wrapGAppsHook ];
+  nativeBuildInputs = [ meson ninja pkgconfig python3 vala gobject-introspection wrapGAppsHook ];
   buildInputs = [
     gtk3 granite json-glib glib glib-networking
     gnome3.libgee gnome3.libsoup gnome3.gsettings-desktop-schemas
diff --git a/pkgs/applications/misc/udiskie/default.nix b/pkgs/applications/misc/udiskie/default.nix
index 5b75fbbc08e10..5d96918e42da8 100644
--- a/pkgs/applications/misc/udiskie/default.nix
+++ b/pkgs/applications/misc/udiskie/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchFromGitHub, asciidoc-full, gettext
-, gobjectIntrospection, gtk3, hicolor-icon-theme, libappindicator-gtk3, libnotify, librsvg
+, gobject-introspection, gtk3, hicolor-icon-theme, libappindicator-gtk3, libnotify, librsvg
 , udisks2, wrapGAppsHook
 , buildPythonApplication
 , docopt
@@ -26,7 +26,7 @@ buildPythonApplication rec {
   ];
 
   propagatedBuildInputs = [
-    gettext gobjectIntrospection gtk3 libnotify docopt
+    gettext gobject-introspection gtk3 libnotify docopt
     pygobject3 pyyaml udisks2 libappindicator-gtk3
   ];
 
diff --git a/pkgs/applications/misc/workrave/default.nix b/pkgs/applications/misc/workrave/default.nix
index f20ef722a8c8f..7e54f943856a8 100644
--- a/pkgs/applications/misc/workrave/default.nix
+++ b/pkgs/applications/misc/workrave/default.nix
@@ -1,7 +1,7 @@
 { stdenv, fetchFromGitHub, wrapGAppsHook
 , autoconf, autoconf-archive, automake, gettext, intltool, libtool, pkgconfig
 , libICE, libSM, libXScrnSaver, libXtst, cheetah
-, gobjectIntrospection, glib, glibmm, gtkmm3, atk, pango, pangomm, cairo
+, gobject-introspection, glib, glibmm, gtkmm3, atk, pango, pangomm, cairo
 , cairomm , dbus, dbus-glib, gdome2, gstreamer, gst-plugins-base
 , gst-plugins-good, libsigcxx }:
 
@@ -23,7 +23,7 @@ stdenv.mkDerivation rec {
   ];
   buildInputs = [
     libICE libSM libXScrnSaver libXtst cheetah
-    gobjectIntrospection glib glibmm gtkmm3 atk pango pangomm cairo cairomm
+    gobject-introspection glib glibmm gtkmm3 atk pango pangomm cairo cairomm
     dbus dbus-glib gdome2 gstreamer gst-plugins-base gst-plugins-good libsigcxx
   ];
 
diff --git a/pkgs/applications/networking/browsers/eolie/default.nix b/pkgs/applications/networking/browsers/eolie/default.nix
index 91b1099bfb869..3e6b9fce6d09b 100644
--- a/pkgs/applications/networking/browsers/eolie/default.nix
+++ b/pkgs/applications/networking/browsers/eolie/default.nix
@@ -1,7 +1,7 @@
 { stdenv, fetchgit, meson, ninja, pkgconfig
 , python3, gtk3, libsecret, gst_all_1, webkitgtk
 , glib-networking, gtkspell3, hunspell, desktop-file-utils
-, gobjectIntrospection, wrapGAppsHook }:
+, gobject-introspection, wrapGAppsHook }:
 
 python3.pkgs.buildPythonApplication rec {
   name = "eolie-${version}";
@@ -19,7 +19,7 @@ python3.pkgs.buildPythonApplication rec {
 
   nativeBuildInputs = [
     desktop-file-utils
-    gobjectIntrospection
+    gobject-introspection
     meson
     ninja
     pkgconfig
diff --git a/pkgs/applications/networking/corebird/default.nix b/pkgs/applications/networking/corebird/default.nix
index 5dd4cbb52c2a3..1ee2c694e0b46 100644
--- a/pkgs/applications/networking/corebird/default.nix
+++ b/pkgs/applications/networking/corebird/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchFromGitHub, glib, gtk3, json-glib, sqlite, libsoup, gettext, vala_0_40
-, meson, ninja, pkgconfig, gnome3, gst_all_1, wrapGAppsHook, gobjectIntrospection
+, meson, ninja, pkgconfig, gnome3, gst_all_1, wrapGAppsHook, gobject-introspection
 , glib-networking, python3 }:
 
 stdenv.mkDerivation rec {
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [
     meson ninja vala_0_40 pkgconfig wrapGAppsHook python3
-    gobjectIntrospection # for setup hook
+    gobject-introspection # for setup hook
   ];
 
   buildInputs = [
diff --git a/pkgs/applications/networking/ftp/taxi/default.nix b/pkgs/applications/networking/ftp/taxi/default.nix
index 503b685ce28c8..bd17e86d89806 100644
--- a/pkgs/applications/networking/ftp/taxi/default.nix
+++ b/pkgs/applications/networking/ftp/taxi/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchFromGitHub, vala, pkgconfig, meson, ninja, python3, granite
-, gtk3, gnome3, libsoup, libsecret, gobjectIntrospection, wrapGAppsHook }:
+, gtk3, gnome3, libsoup, libsecret, gobject-introspection, wrapGAppsHook }:
 
 stdenv.mkDerivation rec {
   pname = "taxi";
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [
-    gobjectIntrospection
+    gobject-introspection
     meson
     ninja
     pkgconfig
diff --git a/pkgs/applications/networking/instant-messengers/dino/default.nix b/pkgs/applications/networking/instant-messengers/dino/default.nix
index 2c5d7005ef8cf..d437e5346c594 100644
--- a/pkgs/applications/networking/instant-messengers/dino/default.nix
+++ b/pkgs/applications/networking/instant-messengers/dino/default.nix
@@ -1,6 +1,6 @@
 { stdenv, fetchFromGitHub
 , vala, cmake, ninja, wrapGAppsHook, pkgconfig, gettext
-, gobjectIntrospection, gnome3, glib, gdk_pixbuf, gtk3, glib-networking
+, gobject-introspection, gnome3, glib, gdk_pixbuf, gtk3, glib-networking
 , xorg, libXdmcp, libxkbcommon
 , libnotify, libsoup
 , libgcrypt
@@ -34,7 +34,7 @@ stdenv.mkDerivation rec {
 
   buildInputs = [
     qrencode
-    gobjectIntrospection
+    gobject-introspection
     glib-networking
     glib
     gnome3.libgee
diff --git a/pkgs/applications/networking/instant-messengers/gajim/default.nix b/pkgs/applications/networking/instant-messengers/gajim/default.nix
index 0f9cff4fd8d7a..83591722568b9 100644
--- a/pkgs/applications/networking/instant-messengers/gajim/default.nix
+++ b/pkgs/applications/networking/instant-messengers/gajim/default.nix
@@ -1,5 +1,5 @@
 { buildPythonApplication, lib, fetchurl, gettext, wrapGAppsHook
-, python, gtk3, gobjectIntrospection
+, python, gtk3, gobject-introspection
 , nbxmpp, pyasn1, pygobject3, gnome3, dbus-python, pillow
 , xvfb_run, dbus
 , enableJingle ? true, farstream, gstreamer, gst-plugins-base, gst-libav, gst-plugins-ugly
@@ -30,7 +30,7 @@ buildPythonApplication rec {
   '';
 
   buildInputs = [
-    gobjectIntrospection gtk3 gnome3.defaultIconTheme
+    gobject-introspection gtk3 gnome3.defaultIconTheme
   ] ++ optionals enableJingle [ farstream gstreamer gst-plugins-base gst-libav gst-plugins-ugly ]
     ++ optional enableSecrets libsecret
     ++ optional enableSpelling gspell
diff --git a/pkgs/applications/networking/instant-messengers/telepathy/logger/default.nix b/pkgs/applications/networking/instant-messengers/telepathy/logger/default.nix
index f6e3baadb4e8a..8c777cd3f7d65 100644
--- a/pkgs/applications/networking/instant-messengers/telepathy/logger/default.nix
+++ b/pkgs/applications/networking/instant-messengers/telepathy/logger/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchurl, dbus-glib, libxml2, sqlite, telepathy-glib, pkgconfig
-, gnome3, makeWrapper, intltool, libxslt, gobjectIntrospection, dbus }:
+, gnome3, makeWrapper, intltool, libxslt, gobject-introspection, dbus }:
 
 stdenv.mkDerivation rec {
   project = "telepathy-logger";
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [
-    makeWrapper pkgconfig intltool libxslt gobjectIntrospection
+    makeWrapper pkgconfig intltool libxslt gobject-introspection
   ];
   buildInputs = [
     dbus-glib libxml2 sqlite telepathy-glib
diff --git a/pkgs/applications/networking/mailreaders/balsa/default.nix b/pkgs/applications/networking/mailreaders/balsa/default.nix
index 571a48951477c..410175e1c62c2 100644
--- a/pkgs/applications/networking/mailreaders/balsa/default.nix
+++ b/pkgs/applications/networking/mailreaders/balsa/default.nix
@@ -1,6 +1,6 @@
 { stdenv, fetchurl, pkgconfig, intltool, glib, gtk3, gmime, gnutls,
   webkitgtk, libesmtp, openssl, libnotify, enchant, gpgme,
-  libcanberra-gtk3, libsecret, gtksourceview, gobjectIntrospection,
+  libcanberra-gtk3, libsecret, gtksourceview, gobject-introspection,
   hicolor-icon-theme, wrapGAppsHook
 }:
 
@@ -16,7 +16,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [
     pkgconfig
     intltool
-    gobjectIntrospection
+    gobject-introspection
     hicolor-icon-theme
     wrapGAppsHook
   ];
diff --git a/pkgs/applications/networking/newsreaders/liferea/default.nix b/pkgs/applications/networking/newsreaders/liferea/default.nix
index 6e87735a9f657..7f7b03f71d2df 100644
--- a/pkgs/applications/networking/newsreaders/liferea/default.nix
+++ b/pkgs/applications/networking/newsreaders/liferea/default.nix
@@ -1,7 +1,7 @@
 { stdenv, fetchurl, pkgconfig, intltool, python3Packages, wrapGAppsHook
 , glib, libxml2, libxslt, sqlite, libsoup , webkitgtk, json-glib, gst_all_1
 , libnotify, gtk3, gsettings-desktop-schemas, libpeas, dconf, librsvg
-, gobjectIntrospection, glib-networking, hicolor-icon-theme
+, gobject-introspection, glib-networking, hicolor-icon-theme
 }:
 
 let
@@ -19,7 +19,7 @@ in stdenv.mkDerivation rec {
 
   buildInputs = [
     glib gtk3 webkitgtk libxml2 libxslt sqlite libsoup gsettings-desktop-schemas
-    libpeas gsettings-desktop-schemas json-glib dconf gobjectIntrospection
+    libpeas gsettings-desktop-schemas json-glib dconf gobject-introspection
     librsvg glib-networking libnotify hicolor-icon-theme
   ] ++ (with gst_all_1; [
     gstreamer gst-plugins-base gst-plugins-good gst-plugins-bad
diff --git a/pkgs/applications/networking/syncthing-gtk/default.nix b/pkgs/applications/networking/syncthing-gtk/default.nix
index 9d720bee05e7a..389d32d5a7ccd 100644
--- a/pkgs/applications/networking/syncthing-gtk/default.nix
+++ b/pkgs/applications/networking/syncthing-gtk/default.nix
@@ -1,7 +1,7 @@
 { stdenv, fetchFromGitHub, fetchpatch, libnotify, librsvg, killall
 , gtk3, libappindicator-gtk3, substituteAll, syncthing, wrapGAppsHook
 , gnome3, buildPythonApplication, dateutil, pyinotify, pygobject3
-, bcrypt, gobjectIntrospection }:
+, bcrypt, gobject-introspection }:
 
 buildPythonApplication rec {
   version = "0.9.4";
@@ -17,7 +17,7 @@ buildPythonApplication rec {
   nativeBuildInputs = [
     wrapGAppsHook
     # For setup hook populating GI_TYPELIB_PATH
-    gobjectIntrospection
+    gobject-introspection
   ];
 
   buildInputs = [
diff --git a/pkgs/applications/networking/transporter/default.nix b/pkgs/applications/networking/transporter/default.nix
index 55abd22b605c2..c5b329b5f0a03 100644
--- a/pkgs/applications/networking/transporter/default.nix
+++ b/pkgs/applications/networking/transporter/default.nix
@@ -9,7 +9,7 @@
 , gnome3
 , libxml2
 , gettext
-, gobjectIntrospection
+, gobject-introspection
 , appstream-glib
 , desktop-file-utils
 , magic-wormhole
@@ -32,7 +32,7 @@ in stdenv.mkDerivation rec {
     appstream-glib
     desktop-file-utils
     gettext
-    gobjectIntrospection # For setup hook
+    gobject-introspection # For setup hook
     libxml2
     meson
     ninja
diff --git a/pkgs/applications/networking/weather/meteo/default.nix b/pkgs/applications/networking/weather/meteo/default.nix
index 6d431a436adab..3dba90f964f56 100644
--- a/pkgs/applications/networking/weather/meteo/default.nix
+++ b/pkgs/applications/networking/weather/meteo/default.nix
@@ -1,6 +1,6 @@
 { stdenv, fetchFromGitLab, vala, python3, pkgconfig, meson, ninja, granite, gtk3
 , gnome3, json-glib, libsoup, clutter, clutter-gtk, libchamplain, webkitgtk
-, libappindicator, desktop-file-utils, appstream, gobjectIntrospection, wrapGAppsHook }:
+, libappindicator, desktop-file-utils, appstream, gobject-introspection, wrapGAppsHook }:
 
 stdenv.mkDerivation rec {
   pname = "meteo";
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [
     appstream
     desktop-file-utils
-    gobjectIntrospection
+    gobject-introspection
     meson
     ninja
     pkgconfig
diff --git a/pkgs/applications/office/aesop/default.nix b/pkgs/applications/office/aesop/default.nix
index b510fe950a3da..74a56b1f6caf9 100644
--- a/pkgs/applications/office/aesop/default.nix
+++ b/pkgs/applications/office/aesop/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchFromGitHub, fetchpatch, vala_0_40, pkgconfig, meson, ninja, python3, granite, gtk3
-, gnome3, desktop-file-utils, json-glib, libsoup, poppler, gobjectIntrospection, wrapGAppsHook }:
+, gnome3, desktop-file-utils, json-glib, libsoup, poppler, gobject-introspection, wrapGAppsHook }:
 
 stdenv.mkDerivation rec {
   pname = "aesop";
@@ -16,7 +16,7 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [
     desktop-file-utils
-    gobjectIntrospection
+    gobject-introspection
     meson
     ninja
     pkgconfig
diff --git a/pkgs/applications/office/autokey/default.nix b/pkgs/applications/office/autokey/default.nix
index 0a6268f8452f0..e4b89ef361000 100644
--- a/pkgs/applications/office/autokey/default.nix
+++ b/pkgs/applications/office/autokey/default.nix
@@ -1,4 +1,4 @@
-{ lib, python3Packages, fetchFromGitHub, wrapGAppsHook, gobjectIntrospection
+{ lib, python3Packages, fetchFromGitHub, wrapGAppsHook, gobject-introspection
 , gnome3, libappindicator-gtk3, libnotify }:
 
 python3Packages.buildPythonApplication rec {
@@ -22,7 +22,7 @@ python3Packages.buildPythonApplication rec {
   # Note: no dependencies included for Qt GUI because Qt ui is poorly
   # maintained—see https://github.com/autokey/autokey/issues/51
 
-  buildInputs = [ wrapGAppsHook gobjectIntrospection gnome3.gtksourceview
+  buildInputs = [ wrapGAppsHook gobject-introspection gnome3.gtksourceview
     libappindicator-gtk3 libnotify ];
 
   propagatedBuildInputs = with python3Packages; [
diff --git a/pkgs/applications/office/bookworm/default.nix b/pkgs/applications/office/bookworm/default.nix
index 4408af7f45cce..04b2072967abb 100644
--- a/pkgs/applications/office/bookworm/default.nix
+++ b/pkgs/applications/office/bookworm/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchFromGitHub, fetchpatch, vala_0_40, python3, python2, pkgconfig, libxml2, meson, ninja, gtk3, granite, gnome3
-, gobjectIntrospection, sqlite, poppler, poppler_utils, html2text, curl, gnugrep, coreutils, bash, unzip, unar, wrapGAppsHook }:
+, gobject-introspection, sqlite, poppler, poppler_utils, html2text, curl, gnugrep, coreutils, bash, unzip, unar, wrapGAppsHook }:
 
 stdenv.mkDerivation rec {
   pname = "bookworm";
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [
     bash
-    gobjectIntrospection
+    gobject-introspection
     libxml2
     meson
     ninja
diff --git a/pkgs/applications/office/spice-up/default.nix b/pkgs/applications/office/spice-up/default.nix
index 3141223d72837..a32ad677c2572 100644
--- a/pkgs/applications/office/spice-up/default.nix
+++ b/pkgs/applications/office/spice-up/default.nix
@@ -6,7 +6,7 @@
 , gtk3
 , granite
 , gnome3
-, gobjectIntrospection
+, gobject-introspection
 , json-glib
 , cmake
 , ninja
@@ -37,7 +37,7 @@ stdenv.mkDerivation rec {
     ninja
     gettext
     libxml2
-    gobjectIntrospection # For setup hook
+    gobject-introspection # For setup hook
   ];
   buildInputs = [
     gnome3.defaultIconTheme # should be `elementary.defaultIconTheme`when elementary attribute set is merged
diff --git a/pkgs/applications/office/tryton/default.nix b/pkgs/applications/office/tryton/default.nix
index 0543bb07a111e..833cb7fc56a05 100644
--- a/pkgs/applications/office/tryton/default.nix
+++ b/pkgs/applications/office/tryton/default.nix
@@ -2,7 +2,7 @@
 , python2Packages
 , pkgconfig
 , librsvg
-, gobjectIntrospection
+, gobject-introspection
 , atk
 , gtk3
 , gtkspell3
@@ -19,7 +19,7 @@ python2Packages.buildPythonApplication rec {
     inherit pname version;
     sha256 = "43759d22b061a7a392a534d19a045fafd442ce98a0e390ee830127367dcaf4b4";
   };
-  nativeBuildInputs = [ pkgconfig gobjectIntrospection ];
+  nativeBuildInputs = [ pkgconfig gobject-introspection ];
   propagatedBuildInputs = with python2Packages; [
     chardet
     dateutil
diff --git a/pkgs/applications/science/math/nasc/default.nix b/pkgs/applications/science/math/nasc/default.nix
index 73fa2a5e678c6..4afaa5194db8c 100644
--- a/pkgs/applications/science/math/nasc/default.nix
+++ b/pkgs/applications/science/math/nasc/default.nix
@@ -8,7 +8,7 @@
 , cmake
 , vala_0_40
 , libqalculate
-, gobjectIntrospection
+, gobject-introspection
 , wrapGAppsHook }:
 
 stdenv.mkDerivation rec {
@@ -32,7 +32,7 @@ stdenv.mkDerivation rec {
     wrapGAppsHook
     vala_0_40 # should be `elementary.vala` when elementary attribute set is merged
     cmake
-    gobjectIntrospection # for setup-hook
+    gobject-introspection # for setup-hook
   ];
 
   buildInputs = [
diff --git a/pkgs/applications/search/catfish/default.nix b/pkgs/applications/search/catfish/default.nix
index c36baae0621b1..ab34c6bec922b 100644
--- a/pkgs/applications/search/catfish/default.nix
+++ b/pkgs/applications/search/catfish/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, file, which, intltool, gobjectIntrospection,
+{ stdenv, fetchurl, file, which, intltool, gobject-introspection,
   findutils, xdg_utils, gnome3, pythonPackages, hicolor-icon-theme,
   wrapGAppsHook
 }:
@@ -19,7 +19,7 @@ pythonPackages.buildPythonApplication rec {
     file
     which
     intltool
-    gobjectIntrospection
+    gobject-introspection
     wrapGAppsHook
   ];
 
diff --git a/pkgs/applications/version-management/meld/default.nix b/pkgs/applications/version-management/meld/default.nix
index 6c06bcabb263c..bc45d8bb75288 100644
--- a/pkgs/applications/version-management/meld/default.nix
+++ b/pkgs/applications/version-management/meld/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchurl, itstool, python3Packages, intltool, wrapGAppsHook
-, libxml2, gobjectIntrospection, gtk3, gnome3, cairo, file
+, libxml2, gobject-introspection, gtk3, gnome3, cairo, file
 }:
 
 
@@ -20,7 +20,7 @@ in buildPythonApplication rec {
     gnome3.gtksourceview gnome3.gsettings-desktop-schemas pycairo cairo
     gnome3.defaultIconTheme gnome3.dconf file
   ];
-  propagatedBuildInputs = [ gobjectIntrospection pygobject3 gtk3 ];
+  propagatedBuildInputs = [ gobject-introspection pygobject3 gtk3 ];
 
   installPhase = ''
     mkdir -p "$out/lib/${python.libPrefix}/site-packages"
diff --git a/pkgs/applications/video/gnomecast/default.nix b/pkgs/applications/video/gnomecast/default.nix
index 74ae6faec9023..d840f43163cf5 100644
--- a/pkgs/applications/video/gnomecast/default.nix
+++ b/pkgs/applications/video/gnomecast/default.nix
@@ -1,4 +1,4 @@
-{ lib, python3Packages, gtk3, gobjectIntrospection, ffmpeg, wrapGAppsHook }:
+{ lib, python3Packages, gtk3, gobject-introspection, ffmpeg, wrapGAppsHook }:
 
 with python3Packages;
 buildPythonApplication rec {
@@ -13,7 +13,7 @@ buildPythonApplication rec {
   nativeBuildInputs = [ wrapGAppsHook ];
   propagatedBuildInputs = [
     PyChromecast bottle pycaption paste html5lib pygobject3 dbus-python
-    gtk3 gobjectIntrospection
+    gtk3 gobject-introspection
   ];
 
   preFixup = ''
diff --git a/pkgs/applications/video/kazam/default.nix b/pkgs/applications/video/kazam/default.nix
index 9ffd62d068aee..9d549c2aecc34 100644
--- a/pkgs/applications/video/kazam/default.nix
+++ b/pkgs/applications/video/kazam/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, substituteAll, python3, gst_all_1, wrapGAppsHook, gobjectIntrospection
+{ stdenv, fetchurl, substituteAll, python3, gst_all_1, wrapGAppsHook, gobject-introspection
 , gtk3, libwnck3, keybinder3, intltool, libcanberra-gtk3, libappindicator-gtk3, libpulseaudio }:
 
 python3.pkgs.buildPythonApplication rec {
@@ -11,7 +11,7 @@ python3.pkgs.buildPythonApplication rec {
     sha256 = "1qygnrvm6aqixbyivhssp70hs0llxwk7lh3j7idxa2jbkk06hj4f";
   };
 
-  nativeBuildInputs = [ gobjectIntrospection python3.pkgs.distutils_extra intltool wrapGAppsHook ];
+  nativeBuildInputs = [ gobject-introspection python3.pkgs.distutils_extra intltool wrapGAppsHook ];
   buildInputs = [
     gst_all_1.gstreamer gst_all_1.gst-plugins-base gst_all_1.gst-plugins-good gtk3 libwnck3
     keybinder3 libappindicator-gtk3
diff --git a/pkgs/applications/video/mpv/scripts/mpris.nix b/pkgs/applications/video/mpv/scripts/mpris.nix
index c72714598d6a3..778dc52d96a16 100644
--- a/pkgs/applications/video/mpv/scripts/mpris.nix
+++ b/pkgs/applications/video/mpv/scripts/mpris.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchFromGitHub, pkgconfig, gobjectIntrospection, mpv }:
+{ stdenv, fetchFromGitHub, pkgconfig, gobject-introspection, mpv }:
 
 stdenv.mkDerivation rec {
   name = "mpv-mpris-${version}.so";
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [ pkgconfig ];
 
-  buildInputs = [ gobjectIntrospection mpv ];
+  buildInputs = [ gobject-introspection mpv ];
 
   installPhase = ''
     cp mpris.so $out
diff --git a/pkgs/applications/video/pitivi/default.nix b/pkgs/applications/video/pitivi/default.nix
index 7ce1aa6770848..bce8e3981d135 100644
--- a/pkgs/applications/video/pitivi/default.nix
+++ b/pkgs/applications/video/pitivi/default.nix
@@ -1,6 +1,6 @@
 { stdenv, fetchFromGitHub, fetchurl, pkgconfig, intltool, itstool, python3, wrapGAppsHook
 , python3Packages, gst_all_1, gtk3
-, gobjectIntrospection, librsvg, gnome3, libnotify
+, gobject-introspection, librsvg, gnome3, libnotify
 , meson, ninja
 }:
 
@@ -19,7 +19,7 @@ let
       rev = version;
       sha256 = "16skiz9akavssii529v9nr8zd54w43livc14khdyzv164djg9q8f";
     };
-    nativeBuildInputs = [ pkgconfig meson ninja gobjectIntrospection python3 ];
+    nativeBuildInputs = [ pkgconfig meson ninja gobject-introspection python3 ];
     buildInputs = with gst_all_1; [ gstreamer gst-plugins-base ];
   };
 
@@ -47,7 +47,7 @@ in python3Packages.buildPythonApplication rec {
   nativeBuildInputs = [ meson ninja pkgconfig intltool itstool python3 wrapGAppsHook ];
 
   buildInputs = [
-    gobjectIntrospection gtk3 librsvg gnome3.gnome-desktop gnome3.gsound
+    gobject-introspection gtk3 librsvg gnome3.gnome-desktop gnome3.gsound
     gnome3.defaultIconTheme
     gnome3.gsettings-desktop-schemas libnotify
     gst-transcoder
diff --git a/pkgs/applications/virtualization/virt-manager/default.nix b/pkgs/applications/virtualization/virt-manager/default.nix
index f2cbe75b86902..52732f0c5f101 100644
--- a/pkgs/applications/virtualization/virt-manager/default.nix
+++ b/pkgs/applications/virtualization/virt-manager/default.nix
@@ -1,6 +1,6 @@
 { stdenv, fetchurl, python3Packages, intltool, file
 , wrapGAppsHook, gtk-vnc, vte, avahi, dconf
-, gobjectIntrospection, libvirt-glib, system-libvirt
+, gobject-introspection, libvirt-glib, system-libvirt
 , gsettings-desktop-schemas, glib, libosinfo, gnome3, gtk3
 , spiceSupport ? true, spice-gtk ? null
 , cpio, e2fsprogs, findutils, gzip
@@ -20,7 +20,7 @@ python3Packages.buildPythonApplication rec {
 
   nativeBuildInputs = [
     wrapGAppsHook intltool file
-    gobjectIntrospection # for setup hook populating GI_TYPELIB_PATH
+    gobject-introspection # for setup hook populating GI_TYPELIB_PATH
   ];
 
   buildInputs =
diff --git a/pkgs/applications/window-managers/awesome/default.nix b/pkgs/applications/window-managers/awesome/default.nix
index c23284d0b527a..8823daaa6d909 100644
--- a/pkgs/applications/window-managers/awesome/default.nix
+++ b/pkgs/applications/window-managers/awesome/default.nix
@@ -1,6 +1,6 @@
 { stdenv, fetchFromGitHub, luaPackages, cairo, librsvg, cmake, imagemagick, pkgconfig, gdk_pixbuf
 , xorg, libstartup_notification, libxdg_basedir, libpthreadstubs
-, xcb-util-cursor, makeWrapper, pango, gobjectIntrospection, unclutter
+, xcb-util-cursor, makeWrapper, pango, gobject-introspection, unclutter
 , compton, procps, iproute, coreutils, curl, alsaUtils, findutils, xterm
 , which, dbus, nettools, git, asciidoc, doxygen
 , xmlto, docbook_xml_dtd_45, docbook_xsl, findXMLCatalogs
@@ -30,7 +30,7 @@ with luaPackages; stdenv.mkDerivation rec {
   ];
 
   propagatedUserEnvPkgs = [ hicolor-icon-theme ];
-  buildInputs = [ cairo librsvg dbus gdk_pixbuf gobjectIntrospection
+  buildInputs = [ cairo librsvg dbus gdk_pixbuf gobject-introspection
                   git lgi libpthreadstubs libstartup_notification
                   libxdg_basedir lua nettools pango xcb-util-cursor
                   xorg.libXau xorg.libXdmcp xorg.libxcb xorg.libxshmfence
diff --git a/pkgs/applications/window-managers/i3/i3ipc-glib.nix b/pkgs/applications/window-managers/i3/i3ipc-glib.nix
index 87e11774d43b5..6f709c999f404 100644
--- a/pkgs/applications/window-managers/i3/i3ipc-glib.nix
+++ b/pkgs/applications/window-managers/i3/i3ipc-glib.nix
@@ -1,6 +1,6 @@
 { stdenv, fetchFromGitHub, pkgconfig, xproto, libxcb
 , autoreconfHook, json-glib, gtk-doc, which
-, gobjectIntrospection
+, gobject-introspection
 }:
 
 stdenv.mkDerivation rec {
@@ -17,7 +17,7 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [ autoreconfHook which pkgconfig ];
 
-  buildInputs = [ libxcb json-glib gtk-doc xproto gobjectIntrospection ];
+  buildInputs = [ libxcb json-glib gtk-doc xproto gobject-introspection ];
 
 
   preAutoreconf = ''