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-rw-r--r--pkgs/desktops/gnome-3/apps/accerciser/default.nix4
-rw-r--r--pkgs/desktops/gnome-3/apps/glade/default.nix4
-rw-r--r--pkgs/desktops/gnome-3/apps/gnome-boxes/default.nix4
-rw-r--r--pkgs/desktops/gnome-3/apps/gnome-characters/default.nix4
-rw-r--r--pkgs/desktops/gnome-3/apps/gnome-clocks/default.nix4
-rw-r--r--pkgs/desktops/gnome-3/apps/gnome-documents/default.nix4
-rw-r--r--pkgs/desktops/gnome-3/apps/gnome-maps/default.nix4
-rw-r--r--pkgs/desktops/gnome-3/apps/gnome-music/default.nix4
-rw-r--r--pkgs/desktops/gnome-3/apps/gnome-sound-recorder/default.nix4
-rw-r--r--pkgs/desktops/gnome-3/apps/gnome-weather/default.nix4
-rw-r--r--pkgs/desktops/gnome-3/apps/polari/default.nix4
-rw-r--r--pkgs/desktops/gnome-3/apps/seahorse/default.nix4
-rw-r--r--pkgs/desktops/gnome-3/core/dconf-editor/default.nix4
-rw-r--r--pkgs/desktops/gnome-3/core/eog/default.nix4
-rw-r--r--pkgs/desktops/gnome-3/core/evince/default.nix4
-rw-r--r--pkgs/desktops/gnome-3/core/evolution-data-server/default.nix4
-rw-r--r--pkgs/desktops/gnome-3/core/folks/default.nix4
-rw-r--r--pkgs/desktops/gnome-3/core/gcr/default.nix4
-rw-r--r--pkgs/desktops/gnome-3/core/gdm/default.nix4
-rw-r--r--pkgs/desktops/gnome-3/core/geocode-glib/default.nix4
-rw-r--r--pkgs/desktops/gnome-3/core/gjs/default.nix4
-rw-r--r--pkgs/desktops/gnome-3/core/gnome-bluetooth/default.nix4
-rw-r--r--pkgs/desktops/gnome-3/core/gnome-calculator/default.nix4
-rw-r--r--pkgs/desktops/gnome-3/core/gnome-desktop/default.nix4
-rw-r--r--pkgs/desktops/gnome-3/core/gnome-menus/default.nix4
-rw-r--r--pkgs/desktops/gnome-3/core/gnome-online-accounts/default.nix4
-rw-r--r--pkgs/desktops/gnome-3/core/gnome-shell/default.nix4
-rw-r--r--pkgs/desktops/gnome-3/core/gnome-software/default.nix4
-rw-r--r--pkgs/desktops/gnome-3/core/grilo/default.nix4
-rw-r--r--pkgs/desktops/gnome-3/core/gsettings-desktop-schemas/default.nix4
-rw-r--r--pkgs/desktops/gnome-3/core/gsound/default.nix4
-rw-r--r--pkgs/desktops/gnome-3/core/gucharmap/default.nix4
-rw-r--r--pkgs/desktops/gnome-3/core/libgdata/default.nix4
-rw-r--r--pkgs/desktops/gnome-3/core/libgee/default.nix4
-rw-r--r--pkgs/desktops/gnome-3/core/libgepub/default.nix4
-rw-r--r--pkgs/desktops/gnome-3/core/libgnome-keyring/default.nix4
-rw-r--r--pkgs/desktops/gnome-3/core/libgweather/default.nix4
-rw-r--r--pkgs/desktops/gnome-3/core/libgxps/default.nix4
-rw-r--r--pkgs/desktops/gnome-3/core/libpeas/default.nix4
-rw-r--r--pkgs/desktops/gnome-3/core/libzapojit/default.nix4
-rw-r--r--pkgs/desktops/gnome-3/core/mutter/3.28.nix4
-rw-r--r--pkgs/desktops/gnome-3/core/mutter/default.nix4
-rw-r--r--pkgs/desktops/gnome-3/core/rest/default.nix4
-rw-r--r--pkgs/desktops/gnome-3/core/rygel/default.nix4
-rw-r--r--pkgs/desktops/gnome-3/core/simple-scan/default.nix4
-rw-r--r--pkgs/desktops/gnome-3/core/sushi/default.nix4
-rw-r--r--pkgs/desktops/gnome-3/core/totem-pl-parser/default.nix4
-rw-r--r--pkgs/desktops/gnome-3/core/totem/default.nix4
-rw-r--r--pkgs/desktops/gnome-3/core/tracker/default.nix4
-rw-r--r--pkgs/desktops/gnome-3/core/vte/2.90.nix4
-rw-r--r--pkgs/desktops/gnome-3/core/vte/default.nix4
-rw-r--r--pkgs/desktops/gnome-3/default.nix2
-rw-r--r--pkgs/desktops/gnome-3/devtools/devhelp/default.nix4
-rw-r--r--pkgs/desktops/gnome-3/games/gnome-chess/default.nix4
-rw-r--r--pkgs/desktops/gnome-3/games/gnome-mines/default.nix6
-rw-r--r--pkgs/desktops/gnome-3/games/gnome-sudoku/default.nix4
-rw-r--r--pkgs/desktops/gnome-3/misc/california/default.nix4
-rw-r--r--pkgs/desktops/gnome-3/misc/geary/default.nix4
-rw-r--r--pkgs/desktops/gnome-3/misc/gexiv2/default.nix4
-rw-r--r--pkgs/desktops/gnome-3/misc/gfbgraph/default.nix4
-rw-r--r--pkgs/desktops/gnome-3/misc/gitg/default.nix4
-rw-r--r--pkgs/desktops/gnome-3/misc/gnome-autoar/default.nix4
-rw-r--r--pkgs/desktops/gnome-3/misc/gnome-tweaks/default.nix4
-rw-r--r--pkgs/desktops/gnome-3/misc/gpaste/default.nix4
-rw-r--r--pkgs/desktops/gnome-3/misc/libgit2-glib/default.nix4
-rw-r--r--pkgs/desktops/gnome-3/misc/libmediaart/default.nix4
-rw-r--r--pkgs/desktops/gnome-3/misc/pomodoro/default.nix4
67 files changed, 134 insertions, 134 deletions
diff --git a/pkgs/desktops/gnome-3/apps/accerciser/default.nix b/pkgs/desktops/gnome-3/apps/accerciser/default.nix
index feb865743e6..5de7d93f49c 100644
--- a/pkgs/desktops/gnome-3/apps/accerciser/default.nix
+++ b/pkgs/desktops/gnome-3/apps/accerciser/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, pkgconfig, gnome3, gtk3, wrapGAppsHook, gobjectIntrospection
+{ stdenv, fetchurl, pkgconfig, gnome3, gtk3, wrapGAppsHook, gobject-introspection
 , itstool, libxml2, python3Packages, at-spi2-core
 , dbus, intltool, libwnck3 }:
 
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [
     pkgconfig wrapGAppsHook itstool intltool
-    gobjectIntrospection # For setup hook
+    gobject-introspection # For setup hook
   ];
   buildInputs = [
     gtk3 libxml2 python3Packages.python python3Packages.pyatspi
diff --git a/pkgs/desktops/gnome-3/apps/glade/default.nix b/pkgs/desktops/gnome-3/apps/glade/default.nix
index c4be9d7259c..39e0f2ba23e 100644
--- a/pkgs/desktops/gnome-3/apps/glade/default.nix
+++ b/pkgs/desktops/gnome-3/apps/glade/default.nix
@@ -1,5 +1,5 @@
 { stdenv, intltool, fetchurl, python3
-, pkgconfig, gtk3, glib, gobjectIntrospection
+, pkgconfig, gtk3, glib, gobject-introspection
 , wrapGAppsHook, itstool, libxml2, docbook_xsl
 , gnome3, gdk_pixbuf, libxslt }:
 
@@ -17,7 +17,7 @@ stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [
-    pkgconfig intltool itstool wrapGAppsHook docbook_xsl libxslt gobjectIntrospection
+    pkgconfig intltool itstool wrapGAppsHook docbook_xsl libxslt gobject-introspection
   ];
   buildInputs = [
     gtk3 glib libxml2 python3 python3.pkgs.pygobject3
diff --git a/pkgs/desktops/gnome-3/apps/gnome-boxes/default.nix b/pkgs/desktops/gnome-3/apps/gnome-boxes/default.nix
index 574d14bc7af..357cd42d66b 100644
--- a/pkgs/desktops/gnome-3/apps/gnome-boxes/default.nix
+++ b/pkgs/desktops/gnome-3/apps/gnome-boxes/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchurl, meson, ninja, wrapGAppsHook, pkgconfig, gettext, itstool, libvirt-glib
-, glib, gobjectIntrospection, libxml2, gtk3, gtk-vnc, freerdp, libvirt, spice-gtk, python3
+, glib, gobject-introspection, libxml2, gtk3, gtk-vnc, freerdp, libvirt, spice-gtk, python3
 , spice-protocol, libsoup, libosinfo, systemd, tracker, tracker-miners, vala
 , libcap, yajl, gmp, gdbm, cyrus_sasl, gnome3, librsvg, desktop-file-utils
 , mtools, cdrkit, libcdio, libusb, libarchive, acl, libgudev, qemu, libsecret
@@ -21,7 +21,7 @@ in stdenv.mkDerivation rec {
   doCheck = true;
 
   nativeBuildInputs = [
-    meson ninja vala pkgconfig gettext itstool wrapGAppsHook gobjectIntrospection desktop-file-utils python3
+    meson ninja vala pkgconfig gettext itstool wrapGAppsHook gobject-introspection desktop-file-utils python3
   ];
 
   # Required for USB redirection PolicyKit rules file
diff --git a/pkgs/desktops/gnome-3/apps/gnome-characters/default.nix b/pkgs/desktops/gnome-3/apps/gnome-characters/default.nix
index 54c36fc333a..047f9bc2210 100644
--- a/pkgs/desktops/gnome-3/apps/gnome-characters/default.nix
+++ b/pkgs/desktops/gnome-3/apps/gnome-characters/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchurl, meson, ninja, pkgconfig, gettext, gnome3, glib, gtk3, pango, wrapGAppsHook, python3
-, gobjectIntrospection, gjs, libunistring }:
+, gobject-introspection, gjs, libunistring }:
 
 stdenv.mkDerivation rec {
   name = "gnome-characters-${version}";
@@ -22,7 +22,7 @@ stdenv.mkDerivation rec {
     };
   };
 
-  nativeBuildInputs = [ meson ninja pkgconfig gettext wrapGAppsHook python3 gobjectIntrospection ];
+  nativeBuildInputs = [ meson ninja pkgconfig gettext wrapGAppsHook python3 gobject-introspection ];
   buildInputs = [
     glib gtk3 gjs pango gnome3.gsettings-desktop-schemas
     gnome3.defaultIconTheme libunistring
diff --git a/pkgs/desktops/gnome-3/apps/gnome-clocks/default.nix b/pkgs/desktops/gnome-3/apps/gnome-clocks/default.nix
index 19f517c2771..30323cf62f5 100644
--- a/pkgs/desktops/gnome-3/apps/gnome-clocks/default.nix
+++ b/pkgs/desktops/gnome-3/apps/gnome-clocks/default.nix
@@ -1,6 +1,6 @@
 { stdenv, fetchurl
 , meson, ninja, gettext, pkgconfig, wrapGAppsHook, itstool, desktop-file-utils
-, vala, gobjectIntrospection, libxml2, gtk3, glib, gsound, sound-theme-freedesktop
+, vala, gobject-introspection, libxml2, gtk3, glib, gsound, sound-theme-freedesktop
 , gnome3, gdk_pixbuf, geoclue2, libgweather }:
 
 stdenv.mkDerivation rec {
@@ -23,7 +23,7 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [
     vala meson ninja pkgconfig gettext itstool wrapGAppsHook desktop-file-utils libxml2
-    gobjectIntrospection # for finding vapi files
+    gobject-introspection # for finding vapi files
   ];
   buildInputs = [
     gtk3 glib gnome3.gsettings-desktop-schemas gdk_pixbuf gnome3.defaultIconTheme
diff --git a/pkgs/desktops/gnome-3/apps/gnome-documents/default.nix b/pkgs/desktops/gnome-3/apps/gnome-documents/default.nix
index b0f8f6fbc96..7db869dc3b4 100644
--- a/pkgs/desktops/gnome-3/apps/gnome-documents/default.nix
+++ b/pkgs/desktops/gnome-3/apps/gnome-documents/default.nix
@@ -3,7 +3,7 @@
 , itstool, libxslt, webkitgtk, libgdata
 , gnome-desktop, libzapojit, libgepub
 , gnome3, gdk_pixbuf, libsoup, docbook_xsl, docbook_xml_dtd_42
-, gobjectIntrospection, inkscape, poppler_utils
+, gobject-introspection, inkscape, poppler_utils
 , desktop-file-utils, wrapGAppsHook, python3 }:
 
 stdenv.mkDerivation rec {
@@ -26,7 +26,7 @@ stdenv.mkDerivation rec {
   buildInputs = [
     gtk3 glib gnome3.gsettings-desktop-schemas
     gdk_pixbuf gnome3.defaultIconTheme evince
-    libsoup webkitgtk gjs gobjectIntrospection
+    libsoup webkitgtk gjs gobject-introspection
     tracker tracker-miners libgdata
     gnome-desktop libzapojit libgepub
   ];
diff --git a/pkgs/desktops/gnome-3/apps/gnome-maps/default.nix b/pkgs/desktops/gnome-3/apps/gnome-maps/default.nix
index a7b96f69873..07c00f5b632 100644
--- a/pkgs/desktops/gnome-3/apps/gnome-maps/default.nix
+++ b/pkgs/desktops/gnome-3/apps/gnome-maps/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchurl, meson, ninja, gettext, python3, pkgconfig, gnome3, gtk3
-, gobjectIntrospection, gdk_pixbuf, librsvg, libgweather
+, gobject-introspection, gdk_pixbuf, librsvg, libgweather
 , geoclue2, wrapGAppsHook, folks, libchamplain, gfbgraph, libsoup
 , webkitgtk, gjs, libgee, geocode-glib, evolution-data-server, gnome-online-accounts }:
 
@@ -18,7 +18,7 @@ in stdenv.mkDerivation rec {
 
   nativeBuildInputs = [ meson ninja pkgconfig gettext python3 wrapGAppsHook ];
   buildInputs = [
-    gobjectIntrospection
+    gobject-introspection
     gtk3 geoclue2 gjs libgee folks gfbgraph
     geocode-glib libchamplain libsoup
     gdk_pixbuf librsvg libgweather
diff --git a/pkgs/desktops/gnome-3/apps/gnome-music/default.nix b/pkgs/desktops/gnome-3/apps/gnome-music/default.nix
index 663f574784c..3edf1f5dd40 100644
--- a/pkgs/desktops/gnome-3/apps/gnome-music/default.nix
+++ b/pkgs/desktops/gnome-3/apps/gnome-music/default.nix
@@ -1,6 +1,6 @@
 { stdenv, meson, ninja, gettext, fetchurl, gdk_pixbuf, tracker
 , libxml2, python3, libnotify, wrapGAppsHook, libmediaart
-, gobjectIntrospection, gnome-online-accounts, grilo, grilo-plugins
+, gobject-introspection, gnome-online-accounts, grilo, grilo-plugins
 , pkgconfig, gtk3, glib, desktop-file-utils, appstream-glib
 , itstool, gnome3, gst_all_1, libdazzle, libsoup }:
 
@@ -15,7 +15,7 @@ python3.pkgs.buildPythonApplication rec {
     sha256 = "1d9gd9rqy71hibfrz4zglimvgv6yn1pw22cnrn7pbdz6k4yq209d";
   };
 
-  nativeBuildInputs = [ meson ninja gettext itstool pkgconfig libxml2 wrapGAppsHook desktop-file-utils appstream-glib gobjectIntrospection ];
+  nativeBuildInputs = [ meson ninja gettext itstool pkgconfig libxml2 wrapGAppsHook desktop-file-utils appstream-glib gobject-introspection ];
   buildInputs = with gst_all_1; [
     gtk3 glib libmediaart gnome-online-accounts
     gdk_pixbuf gnome3.defaultIconTheme python3
diff --git a/pkgs/desktops/gnome-3/apps/gnome-sound-recorder/default.nix b/pkgs/desktops/gnome-3/apps/gnome-sound-recorder/default.nix
index 1f6e86d4943..7b88204c5ea 100644
--- a/pkgs/desktops/gnome-3/apps/gnome-sound-recorder/default.nix
+++ b/pkgs/desktops/gnome-3/apps/gnome-sound-recorder/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, pkgconfig, intltool, gobjectIntrospection, wrapGAppsHook, gjs, glib, gtk3, gdk_pixbuf, gst_all_1, gnome3 }:
+{ stdenv, fetchurl, pkgconfig, intltool, gobject-introspection, wrapGAppsHook, gjs, glib, gtk3, gdk_pixbuf, gst_all_1, gnome3 }:
 
 let
   pname = "gnome-sound-recorder";
@@ -11,7 +11,7 @@ in stdenv.mkDerivation rec {
     sha256 = "0y0srj1hvr1waa35p6dj1r1mlgcsscc0i99jni50ijp4zb36fjqy";
   };
 
-  nativeBuildInputs = [ pkgconfig intltool gobjectIntrospection wrapGAppsHook ];
+  nativeBuildInputs = [ pkgconfig intltool gobject-introspection wrapGAppsHook ];
   buildInputs = [ gjs glib gtk3 gdk_pixbuf ] ++ (with gst_all_1; [ gstreamer.dev gstreamer gst-plugins-base gst-plugins-good gst-plugins-bad ]);
 
   # TODO: fix this in gstreamer
diff --git a/pkgs/desktops/gnome-3/apps/gnome-weather/default.nix b/pkgs/desktops/gnome-3/apps/gnome-weather/default.nix
index 93c8d414764..6a827b7f0e3 100644
--- a/pkgs/desktops/gnome-3/apps/gnome-weather/default.nix
+++ b/pkgs/desktops/gnome-3/apps/gnome-weather/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, pkgconfig, gnome3, gtk3, wrapGAppsHook, gjs, gobjectIntrospection
+{ stdenv, fetchurl, pkgconfig, gnome3, gtk3, wrapGAppsHook, gjs, gobject-introspection
 , libgweather, intltool, itstool, geoclue2, gnome-desktop }:
 
 stdenv.mkDerivation rec {
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [ pkgconfig intltool itstool wrapGAppsHook ];
   buildInputs = [
-    gtk3 gjs gobjectIntrospection gnome-desktop
+    gtk3 gjs gobject-introspection gnome-desktop
     libgweather gnome3.defaultIconTheme geoclue2 gnome3.gsettings-desktop-schemas
   ];
 
diff --git a/pkgs/desktops/gnome-3/apps/polari/default.nix b/pkgs/desktops/gnome-3/apps/polari/default.nix
index 82516fbef94..080fa664b0d 100644
--- a/pkgs/desktops/gnome-3/apps/polari/default.nix
+++ b/pkgs/desktops/gnome-3/apps/polari/default.nix
@@ -1,6 +1,6 @@
 { stdenv, itstool, fetchurl, gdk_pixbuf, adwaita-icon-theme
 , telepathy-glib, gjs, meson, ninja, gettext, telepathy-idle, libxml2, desktop-file-utils
-, pkgconfig, gtk3, glib, libsecret, libsoup, gobjectIntrospection, appstream-glib
+, pkgconfig, gtk3, glib, libsecret, libsoup, gobject-introspection, appstream-glib
 , gnome3, wrapGAppsHook, telepathy-logger, gspell }:
 
 let
@@ -18,7 +18,7 @@ in stdenv.mkDerivation rec {
 
   nativeBuildInputs = [
     meson ninja pkgconfig itstool gettext wrapGAppsHook libxml2
-    desktop-file-utils gobjectIntrospection appstream-glib
+    desktop-file-utils gobject-introspection appstream-glib
   ];
 
   buildInputs = [
diff --git a/pkgs/desktops/gnome-3/apps/seahorse/default.nix b/pkgs/desktops/gnome-3/apps/seahorse/default.nix
index 4d02eaf4d18..af5b861ab47 100644
--- a/pkgs/desktops/gnome-3/apps/seahorse/default.nix
+++ b/pkgs/desktops/gnome-3/apps/seahorse/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchurl, vala, meson, ninja
-, pkgconfig, gtk3, glib, gobjectIntrospection
+, pkgconfig, gtk3, glib, gobject-introspection
 , wrapGAppsHook, itstool, gnupg, libsoup
 , gnome3, gpgme, python3, openldap
 , libsecret, avahi, p11-kit, openssh }:
@@ -19,7 +19,7 @@ in stdenv.mkDerivation rec {
 
   nativeBuildInputs = [
     meson ninja pkgconfig vala itstool wrapGAppsHook
-    python3 gobjectIntrospection
+    python3 gobject-introspection
   ];
   buildInputs = [
     gtk3 glib gnome3.gcr
diff --git a/pkgs/desktops/gnome-3/core/dconf-editor/default.nix b/pkgs/desktops/gnome-3/core/dconf-editor/default.nix
index 78b43eb5b89..0d583dccf76 100644
--- a/pkgs/desktops/gnome-3/core/dconf-editor/default.nix
+++ b/pkgs/desktops/gnome-3/core/dconf-editor/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchurl, meson, ninja, vala, libxslt, pkgconfig, glib, gtk3, gnome3, python3
-, libxml2, gettext, docbook_xsl, wrapGAppsHook, gobjectIntrospection }:
+, libxml2, gettext, docbook_xsl, wrapGAppsHook, gobject-introspection }:
 
 let
   pname = "dconf-editor";
@@ -12,7 +12,7 @@ in stdenv.mkDerivation rec {
     sha256 = "06f736spn20s7qjsz00xw44v8r8bjhyrz1v3bix6v416jc5jp6ia";
   };
 
-  nativeBuildInputs = [ meson ninja vala libxslt pkgconfig wrapGAppsHook gettext docbook_xsl libxml2 gobjectIntrospection python3 ];
+  nativeBuildInputs = [ meson ninja vala libxslt pkgconfig wrapGAppsHook gettext docbook_xsl libxml2 gobject-introspection python3 ];
 
   buildInputs = [ glib gtk3 gnome3.dconf ];
 
diff --git a/pkgs/desktops/gnome-3/core/eog/default.nix b/pkgs/desktops/gnome-3/core/eog/default.nix
index 6d897472d68..679974f28f9 100644
--- a/pkgs/desktops/gnome-3/core/eog/default.nix
+++ b/pkgs/desktops/gnome-3/core/eog/default.nix
@@ -1,6 +1,6 @@
 { fetchurl, stdenv, meson, ninja, gettext, itstool, pkgconfig, libxml2, libjpeg, libpeas, gnome3
 , gtk3, glib, gsettings-desktop-schemas, adwaita-icon-theme, gnome-desktop, lcms2, gdk_pixbuf, exempi
-, shared-mime-info, wrapGAppsHook, librsvg, libexif, gobjectIntrospection, python3 }:
+, shared-mime-info, wrapGAppsHook, librsvg, libexif, gobject-introspection, python3 }:
 
 let
   pname = "eog";
@@ -13,7 +13,7 @@ in stdenv.mkDerivation rec {
     sha256 = "1wrq3l3z0x6q0hnc1vqr2hnyb1b14qw6aqvc5dldfgbs0yys6p55";
   };
 
-  nativeBuildInputs = [ meson ninja pkgconfig gettext itstool wrapGAppsHook libxml2 gobjectIntrospection python3 ];
+  nativeBuildInputs = [ meson ninja pkgconfig gettext itstool wrapGAppsHook libxml2 gobject-introspection python3 ];
 
   buildInputs = [
     libjpeg gtk3 gdk_pixbuf glib libpeas librsvg lcms2 gnome-desktop libexif exempi
diff --git a/pkgs/desktops/gnome-3/core/evince/default.nix b/pkgs/desktops/gnome-3/core/evince/default.nix
index a0e0f613a56..4867335af12 100644
--- a/pkgs/desktops/gnome-3/core/evince/default.nix
+++ b/pkgs/desktops/gnome-3/core/evince/default.nix
@@ -1,7 +1,7 @@
 { fetchurl, stdenv, pkgconfig, intltool, libxml2
 , glib, gtk3, pango, atk, gdk_pixbuf, shared-mime-info, itstool, gnome3
 , poppler, ghostscriptX, djvulibre, libspectre, libarchive, libsecret, wrapGAppsHook
-, librsvg, gobjectIntrospection, yelp-tools, gspell
+, librsvg, gobject-introspection, yelp-tools, gspell
 , recentListSize ? null # 5 is not enough, allow passing a different number
 , supportXPS ? false    # Open XML Paper Specification via libgxps
 , autoreconfHook
@@ -21,7 +21,7 @@ stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [
-    pkgconfig gobjectIntrospection intltool itstool wrapGAppsHook yelp-tools autoreconfHook
+    pkgconfig gobject-introspection intltool itstool wrapGAppsHook yelp-tools autoreconfHook
   ];
 
   buildInputs = [
diff --git a/pkgs/desktops/gnome-3/core/evolution-data-server/default.nix b/pkgs/desktops/gnome-3/core/evolution-data-server/default.nix
index 5e6cfe12846..c88d8c9c381 100644
--- a/pkgs/desktops/gnome-3/core/evolution-data-server/default.nix
+++ b/pkgs/desktops/gnome-3/core/evolution-data-server/default.nix
@@ -1,4 +1,4 @@
-{ fetchurl, stdenv, substituteAll, pkgconfig, gnome3, python3, gobjectIntrospection
+{ fetchurl, stdenv, substituteAll, pkgconfig, gnome3, python3, gobject-introspection
 , intltool, libsoup, libxml2, libsecret, icu, sqlite, tzdata, libcanberra-gtk3
 , p11-kit, db, nspr, nss, libical, gperf, wrapGAppsHook, glib-networking, pcre
 , vala, cmake, ninja, kerberos, openldap, webkitgtk, libaccounts-glib, json-glib }:
@@ -22,7 +22,7 @@ stdenv.mkDerivation rec {
   ];
 
   nativeBuildInputs = [
-    cmake ninja pkgconfig intltool python3 gperf wrapGAppsHook gobjectIntrospection vala
+    cmake ninja pkgconfig intltool python3 gperf wrapGAppsHook gobject-introspection vala
   ];
   buildInputs = with gnome3; [
     glib libsoup libxml2 gtk gnome-online-accounts
diff --git a/pkgs/desktops/gnome-3/core/folks/default.nix b/pkgs/desktops/gnome-3/core/folks/default.nix
index 289311e9c03..2eb33cde975 100644
--- a/pkgs/desktops/gnome-3/core/folks/default.nix
+++ b/pkgs/desktops/gnome-3/core/folks/default.nix
@@ -1,4 +1,4 @@
-{ fetchurl, stdenv, pkgconfig, glib, gnome3, nspr, intltool, gobjectIntrospection
+{ fetchurl, stdenv, pkgconfig, glib, gnome3, nspr, intltool, gobject-introspection
 , vala, sqlite, libxml2, dbus-glib, libsoup, nss, dbus
 , telepathy-glib, evolution-data-server, libsecret, db }:
 
@@ -20,7 +20,7 @@ in stdenv.mkDerivation rec {
     dbus-glib telepathy-glib evolution-data-server dbus
     libsecret libxml2 libsoup nspr nss db
   ];
-  nativeBuildInputs = [ pkgconfig intltool vala gobjectIntrospection ];
+  nativeBuildInputs = [ pkgconfig intltool vala gobject-introspection ];
 
   configureFlags = [ "--disable-fatal-warnings" ];
 
diff --git a/pkgs/desktops/gnome-3/core/gcr/default.nix b/pkgs/desktops/gnome-3/core/gcr/default.nix
index ea2883a5716..2cfdb518dfa 100644
--- a/pkgs/desktops/gnome-3/core/gcr/default.nix
+++ b/pkgs/desktops/gnome-3/core/gcr/default.nix
@@ -1,6 +1,6 @@
 { stdenv, fetchurl, pkgconfig, intltool, gnupg, p11-kit, glib
 , libgcrypt, libtasn1, dbus-glib, gtk, pango, gdk_pixbuf, atk
-, gobjectIntrospection, makeWrapper, libxslt, vala, gnome3
+, gobject-introspection, makeWrapper, libxslt, vala, gnome3
 , python2 }:
 
 stdenv.mkDerivation rec {
@@ -22,7 +22,7 @@ stdenv.mkDerivation rec {
 
   outputs = [ "out" "dev" ];
 
-  nativeBuildInputs = [ pkgconfig intltool gobjectIntrospection libxslt makeWrapper vala ];
+  nativeBuildInputs = [ pkgconfig intltool gobject-introspection libxslt makeWrapper vala ];
 
   buildInputs = let
     gpg = gnupg.override { guiSupport = false; }; # prevent build cycle with pinentry_gnome
diff --git a/pkgs/desktops/gnome-3/core/gdm/default.nix b/pkgs/desktops/gnome-3/core/gdm/default.nix
index 691049cf655..135200ee3c4 100644
--- a/pkgs/desktops/gnome-3/core/gdm/default.nix
+++ b/pkgs/desktops/gnome-3/core/gdm/default.nix
@@ -1,6 +1,6 @@
 { stdenv, fetchurl, substituteAll, pkgconfig, glib, itstool, libxml2, xorg
 , accountsservice, libX11, gnome3, systemd, autoreconfHook
-, gtk, libcanberra-gtk3, pam, libtool, gobjectIntrospection, plymouth
+, gtk, libcanberra-gtk3, pam, libtool, gobject-introspection, plymouth
 , librsvg, coreutils, xwayland, fetchpatch }:
 
 stdenv.mkDerivation rec {
@@ -30,7 +30,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [ pkgconfig libxml2 itstool autoreconfHook libtool gnome3.dconf ];
   buildInputs = [
     glib accountsservice systemd
-    gobjectIntrospection libX11 gtk
+    gobject-introspection libX11 gtk
     libcanberra-gtk3 pam plymouth librsvg
   ];
 
diff --git a/pkgs/desktops/gnome-3/core/geocode-glib/default.nix b/pkgs/desktops/gnome-3/core/geocode-glib/default.nix
index 3924f003346..ce5f46534c7 100644
--- a/pkgs/desktops/gnome-3/core/geocode-glib/default.nix
+++ b/pkgs/desktops/gnome-3/core/geocode-glib/default.nix
@@ -1,4 +1,4 @@
-{ fetchurl, stdenv, meson, ninja, pkgconfig, gettext, gtk-doc, docbook_xsl, gobjectIntrospection, gnome3, libsoup, json-glib }:
+{ fetchurl, stdenv, meson, ninja, pkgconfig, gettext, gtk-doc, docbook_xsl, gobject-introspection, gnome3, libsoup, json-glib }:
 
 stdenv.mkDerivation rec {
   name = "geocode-glib-${version}";
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
     sha256 = "1vmydxs5xizcmaxpkfrq75xpj6pqrpdjizxyb30m00h54yqqch7a";
   };
 
-  nativeBuildInputs = with gnome3; [ meson ninja pkgconfig gettext gtk-doc docbook_xsl gobjectIntrospection ];
+  nativeBuildInputs = with gnome3; [ meson ninja pkgconfig gettext gtk-doc docbook_xsl gobject-introspection ];
   buildInputs = with gnome3; [ glib libsoup json-glib ];
 
   patches = [
diff --git a/pkgs/desktops/gnome-3/core/gjs/default.nix b/pkgs/desktops/gnome-3/core/gjs/default.nix
index 43048fc4399..ac3a25b7dc7 100644
--- a/pkgs/desktops/gnome-3/core/gjs/default.nix
+++ b/pkgs/desktops/gnome-3/core/gjs/default.nix
@@ -1,4 +1,4 @@
-{ fetchurl, stdenv, pkgconfig, gnome3, gtk3, atk, gobjectIntrospection
+{ fetchurl, stdenv, pkgconfig, gnome3, gtk3, atk, gobject-introspection
 , spidermonkey_60, pango, readline, glib, libxml2, dbus, gdk_pixbuf
 , makeWrapper }:
 
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
   outputs = [ "out" "installedTests" ];
 
   nativeBuildInputs = [ pkgconfig makeWrapper ];
-  buildInputs = [ libxml2 gobjectIntrospection gtk3 glib pango readline dbus ];
+  buildInputs = [ libxml2 gobject-introspection gtk3 glib pango readline dbus ];
 
   propagatedBuildInputs = [ spidermonkey_60 ];
 
diff --git a/pkgs/desktops/gnome-3/core/gnome-bluetooth/default.nix b/pkgs/desktops/gnome-3/core/gnome-bluetooth/default.nix
index 2db256c323f..b065025327f 100644
--- a/pkgs/desktops/gnome-3/core/gnome-bluetooth/default.nix
+++ b/pkgs/desktops/gnome-3/core/gnome-bluetooth/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchurl, gnome3, meson, ninja, pkgconfig, gtk3, intltool, glib
-, udev, itstool, libxml2, wrapGAppsHook, libnotify, libcanberra-gtk3, gobjectIntrospection
+, udev, itstool, libxml2, wrapGAppsHook, libnotify, libcanberra-gtk3, gobject-introspection
 , gtk-doc, docbook_xsl, docbook_xml_dtd_43, python3 }:
 
 let
@@ -17,7 +17,7 @@ in stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [
-    meson ninja intltool itstool pkgconfig libxml2 wrapGAppsHook gobjectIntrospection
+    meson ninja intltool itstool pkgconfig libxml2 wrapGAppsHook gobject-introspection
     gtk-doc docbook_xsl docbook_xml_dtd_43 python3
   ];
   buildInputs = [
diff --git a/pkgs/desktops/gnome-3/core/gnome-calculator/default.nix b/pkgs/desktops/gnome-3/core/gnome-calculator/default.nix
index d0ee9cff3e3..4a37599b136 100644
--- a/pkgs/desktops/gnome-3/core/gnome-calculator/default.nix
+++ b/pkgs/desktops/gnome-3/core/gnome-calculator/default.nix
@@ -1,5 +1,5 @@
 { stdenv, meson, ninja, vala, gettext, itstool, fetchurl, pkgconfig, libxml2
-, gtk3, glib, gtksourceview3, wrapGAppsHook, gobjectIntrospection, python3
+, gtk3, glib, gtksourceview3, wrapGAppsHook, gobject-introspection, python3
 , gnome3, mpfr, gmp, libsoup, libmpc }:
 
 stdenv.mkDerivation rec {
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [
     meson ninja pkgconfig vala gettext itstool wrapGAppsHook python3
-    gobjectIntrospection # for finding vapi files
+    gobject-introspection # for finding vapi files
   ];
 
   buildInputs = [
diff --git a/pkgs/desktops/gnome-3/core/gnome-desktop/default.nix b/pkgs/desktops/gnome-3/core/gnome-desktop/default.nix
index b283454b5c0..b98a6a2d676 100644
--- a/pkgs/desktops/gnome-3/core/gnome-desktop/default.nix
+++ b/pkgs/desktops/gnome-3/core/gnome-desktop/default.nix
@@ -1,6 +1,6 @@
 { stdenv, fetchurl, substituteAll, pkgconfig, libxslt, which, libX11, gnome3, gtk3, glib
 , gettext, libxml2, xkeyboard_config, isocodes, itstool, wayland
-, libseccomp, bubblewrap, gobjectIntrospection, gtk-doc, docbook_xsl }:
+, libseccomp, bubblewrap, gobject-introspection, gtk-doc, docbook_xsl }:
 
 stdenv.mkDerivation rec {
   name = "gnome-desktop-${version}";
@@ -16,7 +16,7 @@ stdenv.mkDerivation rec {
   enableParallelBuilding = true;
 
   nativeBuildInputs = [
-    pkgconfig which itstool gettext libxslt libxml2 gobjectIntrospection
+    pkgconfig which itstool gettext libxslt libxml2 gobject-introspection
     gtk-doc docbook_xsl
   ];
   buildInputs = [
diff --git a/pkgs/desktops/gnome-3/core/gnome-menus/default.nix b/pkgs/desktops/gnome-3/core/gnome-menus/default.nix
index 8a316b60f02..9d49eb5e007 100644
--- a/pkgs/desktops/gnome-3/core/gnome-menus/default.nix
+++ b/pkgs/desktops/gnome-3/core/gnome-menus/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, intltool, pkgconfig, glib, gobjectIntrospection }:
+{ stdenv, fetchurl, intltool, pkgconfig, glib, gobject-introspection }:
 
 stdenv.mkDerivation rec {
   name = "gnome-menus-${version}";
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
   makeFlags = "INTROSPECTION_GIRDIR=$(out)/share/gir-1.0/ INTROSPECTION_TYPELIBDIR=$(out)/lib/girepository-1.0";
 
   nativeBuildInputs = [ pkgconfig ];
-  buildInputs = [ intltool glib gobjectIntrospection ];
+  buildInputs = [ intltool glib gobject-introspection ];
 
   meta = {
     homepage = https://www.gnome.org;
diff --git a/pkgs/desktops/gnome-3/core/gnome-online-accounts/default.nix b/pkgs/desktops/gnome-3/core/gnome-online-accounts/default.nix
index 478e0080ab9..677117b6b78 100644
--- a/pkgs/desktops/gnome-3/core/gnome-online-accounts/default.nix
+++ b/pkgs/desktops/gnome-3/core/gnome-online-accounts/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchurl, pkgconfig, vala, glib, libxslt, gtk, wrapGAppsHook
-, webkitgtk, json-glib, rest, libsecret, gtk-doc, gobjectIntrospection
+, webkitgtk, json-glib, rest, libsecret, gtk-doc, gobject-introspection
 , gettext, icu, glib-networking
 , libsoup, docbook_xsl, docbook_xml_dtd_412, gnome3, gcr, kerberos
 }:
@@ -29,7 +29,7 @@ in stdenv.mkDerivation rec {
   enableParallelBuilding = true;
 
   nativeBuildInputs = [
-    pkgconfig gobjectIntrospection vala gettext wrapGAppsHook
+    pkgconfig gobject-introspection vala gettext wrapGAppsHook
     libxslt docbook_xsl docbook_xml_dtd_412 gtk-doc
   ];
   buildInputs = [
diff --git a/pkgs/desktops/gnome-3/core/gnome-shell/default.nix b/pkgs/desktops/gnome-3/core/gnome-shell/default.nix
index 9dc63e0ff73..c1d5a5a916b 100644
--- a/pkgs/desktops/gnome-3/core/gnome-shell/default.nix
+++ b/pkgs/desktops/gnome-3/core/gnome-shell/default.nix
@@ -2,7 +2,7 @@
 , python3Packages, libsoup, polkit, clutter, networkmanager, docbook_xsl , docbook_xsl_ns, at-spi2-core
 , libstartup_notification, telepathy-glib, telepathy-logger, libXtst, unzip, glibcLocales, shared-mime-info
 , libgweather, libcanberra-gtk3, librsvg, geoclue2, perl, docbook_xml_dtd_42, desktop-file-utils
-, libpulseaudio, libical, gobjectIntrospection, gstreamer, wrapGAppsHook, libxslt
+, libpulseaudio, libical, gobject-introspection, gstreamer, wrapGAppsHook, libxslt
 , accountsservice, gdk_pixbuf, gdm, upower, ibus, networkmanagerapplet
 , sassc, systemd, gst_all_1 }:
 
@@ -37,7 +37,7 @@ in stdenv.mkDerivation rec {
     gnome3.gnome-clocks # schemas needed
     at-spi2-core upower ibus gnome-desktop telepathy-logger gnome3.gnome-settings-daemon
     gst_all_1.gst-plugins-good # recording
-    gobjectIntrospection
+    gobject-introspection
 
     # not declared at build time, but typelib is needed at runtime
     libgweather networkmanagerapplet
diff --git a/pkgs/desktops/gnome-3/core/gnome-software/default.nix b/pkgs/desktops/gnome-3/core/gnome-software/default.nix
index 32a64669252..fc822be4e0e 100644
--- a/pkgs/desktops/gnome-3/core/gnome-software/default.nix
+++ b/pkgs/desktops/gnome-3/core/gnome-software/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchurl, substituteAll, pkgconfig, meson, ninja, gettext, gnome3, wrapGAppsHook, packagekit, ostree
-, glib, appstream-glib, libsoup, polkit, isocodes, gspell, libxslt, gobjectIntrospection, flatpak, fwupd
+, glib, appstream-glib, libsoup, polkit, isocodes, gspell, libxslt, gobject-introspection, flatpak, fwupd
 , json-glib, libsecret, valgrind-light, docbook_xsl, docbook_xml_dtd_42, docbook_xml_dtd_43, gtk-doc, desktop-file-utils }:
 
 stdenv.mkDerivation rec {
@@ -20,7 +20,7 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [
     meson ninja pkgconfig gettext wrapGAppsHook libxslt docbook_xml_dtd_42 docbook_xml_dtd_43
-    valgrind-light docbook_xsl gtk-doc desktop-file-utils gobjectIntrospection
+    valgrind-light docbook_xsl gtk-doc desktop-file-utils gobject-introspection
   ];
 
   buildInputs = [
diff --git a/pkgs/desktops/gnome-3/core/grilo/default.nix b/pkgs/desktops/gnome-3/core/grilo/default.nix
index 1744d723325..acde7a38572 100644
--- a/pkgs/desktops/gnome-3/core/grilo/default.nix
+++ b/pkgs/desktops/gnome-3/core/grilo/default.nix
@@ -1,6 +1,6 @@
 { stdenv, fetchurl, meson, ninja, pkgconfig, gettext, vala, glib, liboauth, gtk3
 , gtk-doc, docbook_xsl, docbook_xml_dtd_43
-, libxml2, gnome3, gobjectIntrospection, libsoup }:
+, libxml2, gnome3, gobject-introspection, libsoup }:
 
 let
   pname = "grilo";
@@ -31,7 +31,7 @@ in stdenv.mkDerivation rec {
   ];
 
   nativeBuildInputs = [
-    meson ninja pkgconfig gettext gobjectIntrospection vala
+    meson ninja pkgconfig gettext gobject-introspection vala
     gtk-doc docbook_xsl docbook_xml_dtd_43
   ];
   buildInputs = [ glib liboauth gtk3 libxml2 libsoup gnome3.totem-pl-parser ];
diff --git a/pkgs/desktops/gnome-3/core/gsettings-desktop-schemas/default.nix b/pkgs/desktops/gnome-3/core/gsettings-desktop-schemas/default.nix
index 420453a8af3..dad0c8850b2 100644
--- a/pkgs/desktops/gnome-3/core/gsettings-desktop-schemas/default.nix
+++ b/pkgs/desktops/gnome-3/core/gsettings-desktop-schemas/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, pkgconfig, intltool, glib, gobjectIntrospection
+{ stdenv, fetchurl, pkgconfig, intltool, glib, gobject-introspection
   # just for passthru
 , gnome3 }:
 
@@ -26,7 +26,7 @@ stdenv.mkDerivation rec {
     EOF
   '';
 
-  buildInputs = [ glib gobjectIntrospection ];
+  buildInputs = [ glib gobject-introspection ];
 
   nativeBuildInputs = [ pkgconfig intltool ];
 
diff --git a/pkgs/desktops/gnome-3/core/gsound/default.nix b/pkgs/desktops/gnome-3/core/gsound/default.nix
index 4468ce78f40..b0384c1ebb0 100644
--- a/pkgs/desktops/gnome-3/core/gsound/default.nix
+++ b/pkgs/desktops/gnome-3/core/gsound/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, pkgconfig, glib, libcanberra, gobjectIntrospection, libtool, gnome3 }:
+{ stdenv, fetchurl, pkgconfig, glib, libcanberra, gobject-introspection, libtool, gnome3 }:
 
 let
   pname = "gsound";
@@ -11,7 +11,7 @@ in stdenv.mkDerivation rec {
     sha256 = "bba8ff30eea815037e53bee727bbd5f0b6a2e74d452a7711b819a7c444e78e53";
   };
 
-  nativeBuildInputs = [ pkgconfig gobjectIntrospection libtool gnome3.vala ];
+  nativeBuildInputs = [ pkgconfig gobject-introspection libtool gnome3.vala ];
   buildInputs = [ glib libcanberra ];
 
   passthru = {
diff --git a/pkgs/desktops/gnome-3/core/gucharmap/default.nix b/pkgs/desktops/gnome-3/core/gucharmap/default.nix
index 7c9b3e0938c..a968bfd2b56 100644
--- a/pkgs/desktops/gnome-3/core/gucharmap/default.nix
+++ b/pkgs/desktops/gnome-3/core/gucharmap/default.nix
@@ -2,7 +2,7 @@
 , glib, desktop-file-utils, gtk-doc, autoconf, automake, libtool
 , wrapGAppsHook, gnome3, itstool, libxml2, yelp-tools
 , docbook_xsl, docbook_xml_dtd_412, gsettings-desktop-schemas
-, callPackage, unzip, gobjectIntrospection }:
+, callPackage, unzip, gobject-introspection }:
 
 let
   unicode-data = callPackage ./unicode-data.nix {};
@@ -23,7 +23,7 @@ in stdenv.mkDerivation rec {
   nativeBuildInputs = [
     pkgconfig wrapGAppsHook unzip intltool itstool
     autoconf automake libtool gtk-doc docbook_xsl docbook_xml_dtd_412
-    yelp-tools libxml2 desktop-file-utils gobjectIntrospection
+    yelp-tools libxml2 desktop-file-utils gobject-introspection
   ];
 
   buildInputs = [ gtk3 glib gsettings-desktop-schemas defaultIconTheme ];
diff --git a/pkgs/desktops/gnome-3/core/libgdata/default.nix b/pkgs/desktops/gnome-3/core/libgdata/default.nix
index be32528ef6c..4cbf0a78d89 100644
--- a/pkgs/desktops/gnome-3/core/libgdata/default.nix
+++ b/pkgs/desktops/gnome-3/core/libgdata/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchurl, pkgconfig, intltool, libxml2, glib, json-glib
-, gobjectIntrospection, liboauth, gnome3, p11-kit, openssl, uhttpmock }:
+, gobject-introspection, liboauth, gnome3, p11-kit, openssl, uhttpmock }:
 
 let
   pname = "libgdata";
@@ -16,7 +16,7 @@ stdenv.mkDerivation rec {
   NIX_CFLAGS_COMPILE = "-I${gnome3.libsoup.dev}/include/libsoup-gnome-2.4/ -I${gnome3.gcr}/include/gcr-3 -I${gnome3.gcr}/include/gck-1";
 
   buildInputs = with gnome3;
-    [ pkgconfig libsoup intltool libxml2 glib gobjectIntrospection
+    [ pkgconfig libsoup intltool libxml2 glib gobject-introspection
       liboauth gcr gnome-online-accounts p11-kit openssl uhttpmock ];
 
   propagatedBuildInputs = [ json-glib ];
diff --git a/pkgs/desktops/gnome-3/core/libgee/default.nix b/pkgs/desktops/gnome-3/core/libgee/default.nix
index ea0860a3c4e..2de8b430843 100644
--- a/pkgs/desktops/gnome-3/core/libgee/default.nix
+++ b/pkgs/desktops/gnome-3/core/libgee/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, autoconf, vala, pkgconfig, glib, gobjectIntrospection, gnome3 }:
+{ stdenv, fetchurl, autoconf, vala, pkgconfig, glib, gobject-introspection, gnome3 }:
 let
   pname = "libgee";
   version = "0.20.1";
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
 
   doCheck = true;
 
-  nativeBuildInputs = [ pkgconfig autoconf vala gobjectIntrospection ];
+  nativeBuildInputs = [ pkgconfig autoconf vala gobject-introspection ];
   buildInputs = [ glib ];
 
   PKG_CONFIG_GOBJECT_INTROSPECTION_1_0_GIRDIR = "${placeholder "dev"}/share/gir-1.0";
diff --git a/pkgs/desktops/gnome-3/core/libgepub/default.nix b/pkgs/desktops/gnome-3/core/libgepub/default.nix
index ad7d2a8ebd4..26531a61ffa 100644
--- a/pkgs/desktops/gnome-3/core/libgepub/default.nix
+++ b/pkgs/desktops/gnome-3/core/libgepub/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, meson, ninja, pkgconfig, glib, gobjectIntrospection, gnome3
+{ stdenv, fetchurl, meson, ninja, pkgconfig, glib, gobject-introspection, gnome3
 , webkitgtk, libsoup, libxml2, libarchive }:
 
 let
@@ -14,7 +14,7 @@ in stdenv.mkDerivation rec {
 
   doCheck = true;
 
-  nativeBuildInputs = [ meson ninja pkgconfig gobjectIntrospection ];
+  nativeBuildInputs = [ meson ninja pkgconfig gobject-introspection ];
   buildInputs = [ glib webkitgtk libsoup libxml2 libarchive ];
 
   passthru = {
diff --git a/pkgs/desktops/gnome-3/core/libgnome-keyring/default.nix b/pkgs/desktops/gnome-3/core/libgnome-keyring/default.nix
index 867e08de00e..bc0f5683a75 100644
--- a/pkgs/desktops/gnome-3/core/libgnome-keyring/default.nix
+++ b/pkgs/desktops/gnome-3/core/libgnome-keyring/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, glib, dbus, libgcrypt, pkgconfig, intltool, gobjectIntrospection, gnome3 }:
+{ stdenv, fetchurl, glib, dbus, libgcrypt, pkgconfig, intltool, gobject-introspection, gnome3 }:
 
 let
   pname = "libgnome-keyring";
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
 
   outputs = [ "out" "dev" ];
 
-  propagatedBuildInputs = [ glib gobjectIntrospection dbus libgcrypt ];
+  propagatedBuildInputs = [ glib gobject-introspection dbus libgcrypt ];
   nativeBuildInputs = [ pkgconfig intltool ];
 
   passthru = {
diff --git a/pkgs/desktops/gnome-3/core/libgweather/default.nix b/pkgs/desktops/gnome-3/core/libgweather/default.nix
index b0d3679b1b7..f9feb21749a 100644
--- a/pkgs/desktops/gnome-3/core/libgweather/default.nix
+++ b/pkgs/desktops/gnome-3/core/libgweather/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchurl, meson, ninja, pkgconfig, libxml2, glib, gtk, gettext, libsoup
-, gtk-doc, docbook_xsl, docbook_xml_dtd_43, gobjectIntrospection, python3, tzdata, geocode-glib, vala, gnome3 }:
+, gtk-doc, docbook_xsl, docbook_xml_dtd_43, gobject-introspection, python3, tzdata, geocode-glib, vala, gnome3 }:
 
 let
   pname = "libgweather";
@@ -14,7 +14,7 @@ in stdenv.mkDerivation rec {
     sha256 = "0xfy5ghwvnz2g9074dy6512m4z2pv66pmja14vhi9imgacbfh708";
   };
 
-  nativeBuildInputs = [ meson ninja pkgconfig gettext vala gtk-doc docbook_xsl docbook_xml_dtd_43 gobjectIntrospection python3 ];
+  nativeBuildInputs = [ meson ninja pkgconfig gettext vala gtk-doc docbook_xsl docbook_xml_dtd_43 gobject-introspection python3 ];
   buildInputs = [ glib gtk libsoup libxml2 geocode-glib ];
 
   postPatch = ''
diff --git a/pkgs/desktops/gnome-3/core/libgxps/default.nix b/pkgs/desktops/gnome-3/core/libgxps/default.nix
index 68193bad583..852a546f4bf 100644
--- a/pkgs/desktops/gnome-3/core/libgxps/default.nix
+++ b/pkgs/desktops/gnome-3/core/libgxps/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, meson, ninja, pkgconfig, glib, gobjectIntrospection, cairo
+{ stdenv, fetchurl, meson, ninja, pkgconfig, glib, gobject-introspection, cairo
 , libarchive, freetype, libjpeg, libtiff, gnome3, fetchpatch
 }:
 
@@ -26,7 +26,7 @@ in stdenv.mkDerivation rec {
     })
   ];
 
-  nativeBuildInputs = [ meson ninja pkgconfig gobjectIntrospection ];
+  nativeBuildInputs = [ meson ninja pkgconfig gobject-introspection ];
   buildInputs = [ glib cairo freetype libjpeg libtiff ];
   propagatedBuildInputs = [ libarchive ];
 
diff --git a/pkgs/desktops/gnome-3/core/libpeas/default.nix b/pkgs/desktops/gnome-3/core/libpeas/default.nix
index 03c79a27d81..fdbeb94c505 100644
--- a/pkgs/desktops/gnome-3/core/libpeas/default.nix
+++ b/pkgs/desktops/gnome-3/core/libpeas/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchurl, pkgconfig, intltool, gnome3
-, glib, gtk3, gobjectIntrospection, python3Packages, ncurses
+, glib, gtk3, gobject-introspection, python3Packages, ncurses
 }:
 
 stdenv.mkDerivation rec {
@@ -21,7 +21,7 @@ stdenv.mkDerivation rec {
   buildInputs =  [ intltool glib gtk3 gnome3.defaultIconTheme ncurses python3Packages.python python3Packages.pygobject3 ];
   propagatedBuildInputs = [
     # Required by libpeas-1.0.pc
-    gobjectIntrospection
+    gobject-introspection
   ];
 
   meta = with stdenv.lib; {
diff --git a/pkgs/desktops/gnome-3/core/libzapojit/default.nix b/pkgs/desktops/gnome-3/core/libzapojit/default.nix
index 42a7832a241..5c029176787 100644
--- a/pkgs/desktops/gnome-3/core/libzapojit/default.nix
+++ b/pkgs/desktops/gnome-3/core/libzapojit/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, pkgconfig, glib, intltool, json-glib, rest, libsoup, gnome-online-accounts, gnome3, gobjectIntrospection }:
+{ stdenv, fetchurl, pkgconfig, glib, intltool, json-glib, rest, libsoup, gnome-online-accounts, gnome3, gobject-introspection }:
 let
   pname = "libzapojit";
   version = "0.0.3";
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
     sha256 = "0zn3s7ryjc3k1abj4k55dr2na844l451nrg9s6cvnnhh569zj99x";
   };
 
-  nativeBuildInputs = [ pkgconfig intltool gobjectIntrospection ];
+  nativeBuildInputs = [ pkgconfig intltool gobject-introspection ];
   propagatedBuildInputs = [ glib json-glib rest libsoup gnome-online-accounts ]; # zapojit-0.0.pc
 
   passthru = {
diff --git a/pkgs/desktops/gnome-3/core/mutter/3.28.nix b/pkgs/desktops/gnome-3/core/mutter/3.28.nix
index 50da3c99865..e80212713aa 100644
--- a/pkgs/desktops/gnome-3/core/mutter/3.28.nix
+++ b/pkgs/desktops/gnome-3/core/mutter/3.28.nix
@@ -1,4 +1,4 @@
-{ fetchurl, stdenv, fetchpatch, pkgconfig, gnome3, intltool, gobjectIntrospection, upower, cairo
+{ fetchurl, stdenv, fetchpatch, pkgconfig, gnome3, intltool, gobject-introspection, upower, cairo
 , pango, cogl, clutter, libstartup_notification, zenity, libcanberra-gtk3
 , libtool, makeWrapper, xkeyboard_config, libxkbfile, libxkbcommon, libXtst, libinput
 , pipewire, libgudev, libwacom, xwayland, autoreconfHook }:
@@ -33,7 +33,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [ autoreconfHook pkgconfig intltool libtool makeWrapper ];
 
   buildInputs = with gnome3; [
-    glib gobjectIntrospection gtk gsettings-desktop-schemas upower
+    glib gobject-introspection gtk gsettings-desktop-schemas upower
     gnome-desktop cairo pango cogl clutter zenity libstartup_notification
     gnome3.geocode-glib libinput libgudev libwacom
     libcanberra-gtk3 zenity xkeyboard_config libxkbfile
diff --git a/pkgs/desktops/gnome-3/core/mutter/default.nix b/pkgs/desktops/gnome-3/core/mutter/default.nix
index e15dd783150..9a1418cbe0a 100644
--- a/pkgs/desktops/gnome-3/core/mutter/default.nix
+++ b/pkgs/desktops/gnome-3/core/mutter/default.nix
@@ -1,4 +1,4 @@
-{ fetchurl, stdenv, pkgconfig, gnome3, intltool, gobjectIntrospection, upower, cairo
+{ fetchurl, stdenv, pkgconfig, gnome3, intltool, gobject-introspection, upower, cairo
 , pango, cogl, clutter, libstartup_notification, zenity, libcanberra-gtk3
 , libtool, makeWrapper, xkeyboard_config, libxkbfile, libxkbcommon, libXtst, libinput
 , pipewire, libgudev, libwacom, xwayland, autoreconfHook }:
@@ -37,7 +37,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [ autoreconfHook pkgconfig intltool libtool makeWrapper ];
 
   buildInputs = with gnome3; [
-    glib gobjectIntrospection gtk gsettings-desktop-schemas upower
+    glib gobject-introspection gtk gsettings-desktop-schemas upower
     gnome-desktop cairo pango cogl clutter zenity libstartup_notification
     gnome3.geocode-glib libinput libgudev libwacom
     libcanberra-gtk3 zenity xkeyboard_config libxkbfile
diff --git a/pkgs/desktops/gnome-3/core/rest/default.nix b/pkgs/desktops/gnome-3/core/rest/default.nix
index b00e4c623d2..70cc31cd706 100644
--- a/pkgs/desktops/gnome-3/core/rest/default.nix
+++ b/pkgs/desktops/gnome-3/core/rest/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, pkgconfig, glib, libsoup, gobjectIntrospection, gnome3 }:
+{ stdenv, fetchurl, pkgconfig, glib, libsoup, gobject-introspection, gnome3 }:
 
 let
   pname = "rest";
@@ -12,7 +12,7 @@ in stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [ pkgconfig ];
-  buildInputs = [ glib libsoup gobjectIntrospection];
+  buildInputs = [ glib libsoup gobject-introspection];
 
   configureFlags = [ "--with-ca-certificates=/etc/ssl/certs/ca-certificates.crt" ];
 
diff --git a/pkgs/desktops/gnome-3/core/rygel/default.nix b/pkgs/desktops/gnome-3/core/rygel/default.nix
index ef088632897..5d60500b363 100644
--- a/pkgs/desktops/gnome-3/core/rygel/default.nix
+++ b/pkgs/desktops/gnome-3/core/rygel/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, pkgconfig, vala, gettext, libxml2, gobjectIntrospection, gtk-doc, wrapGAppsHook, glib, gssdp, gupnp, gupnp-av, gupnp-dlna, gst_all_1, libgee, libsoup, gtk3, libmediaart, sqlite, systemd, tracker, shared-mime-info, gnome3 }:
+{ stdenv, fetchurl, pkgconfig, vala, gettext, libxml2, gobject-introspection, gtk-doc, wrapGAppsHook, glib, gssdp, gupnp, gupnp-av, gupnp-dlna, gst_all_1, libgee, libsoup, gtk3, libmediaart, sqlite, systemd, tracker, shared-mime-info, gnome3 }:
 
 let
   pname = "rygel";
@@ -15,7 +15,7 @@ in stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [
-    pkgconfig vala gettext libxml2 gobjectIntrospection gtk-doc wrapGAppsHook
+    pkgconfig vala gettext libxml2 gobject-introspection gtk-doc wrapGAppsHook
   ];
   buildInputs = [
     glib gssdp gupnp gupnp-av gupnp-dlna libgee libsoup gtk3 libmediaart sqlite systemd tracker shared-mime-info
diff --git a/pkgs/desktops/gnome-3/core/simple-scan/default.nix b/pkgs/desktops/gnome-3/core/simple-scan/default.nix
index 415306273c7..ef79f972ff0 100644
--- a/pkgs/desktops/gnome-3/core/simple-scan/default.nix
+++ b/pkgs/desktops/gnome-3/core/simple-scan/default.nix
@@ -1,6 +1,6 @@
 { stdenv, fetchurl, meson, ninja, pkgconfig, gettext, itstool, python3, wrapGAppsHook
 , cairo, gdk_pixbuf, colord, glib, gtk, gusb, packagekit, libwebp
-, libxml2, sane-backends, vala, gnome3, gobjectIntrospection }:
+, libxml2, sane-backends, vala, gnome3, gobject-introspection }:
 
 stdenv.mkDerivation rec {
   name = "simple-scan-${version}";
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [
     meson ninja gettext itstool pkgconfig python3 wrapGAppsHook libxml2
     # For setup hook
-    gobjectIntrospection
+    gobject-introspection
   ];
 
   postPatch = ''
diff --git a/pkgs/desktops/gnome-3/core/sushi/default.nix b/pkgs/desktops/gnome-3/core/sushi/default.nix
index c8dbe58e2c2..77c216e7376 100644
--- a/pkgs/desktops/gnome-3/core/sushi/default.nix
+++ b/pkgs/desktops/gnome-3/core/sushi/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, pkgconfig, file, intltool, gobjectIntrospection, glib
+{ stdenv, fetchurl, pkgconfig, file, intltool, gobject-introspection, glib
 , clutter-gtk, clutter-gst, gnome3, aspell, hspell, gtksourceview, gjs
 , webkitgtk, libmusicbrainz5, icu, wrapGAppsHook, gst_all_1
 , gdk_pixbuf, librsvg, gtk3, harfbuzz }:
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
     sha256 = "0zpaiw5r734fky3zq95a6szwn7srbkpixajqg2xvdivhhx4mbnnj";
   };
 
-  nativeBuildInputs = [ pkgconfig file intltool gobjectIntrospection wrapGAppsHook ];
+  nativeBuildInputs = [ pkgconfig file intltool gobject-introspection wrapGAppsHook ];
   buildInputs = [
     glib gtk3 gnome3.evince icu harfbuzz
     clutter-gtk clutter-gst gjs gtksourceview gdk_pixbuf
diff --git a/pkgs/desktops/gnome-3/core/totem-pl-parser/default.nix b/pkgs/desktops/gnome-3/core/totem-pl-parser/default.nix
index cb10213631c..baf42b88e15 100644
--- a/pkgs/desktops/gnome-3/core/totem-pl-parser/default.nix
+++ b/pkgs/desktops/gnome-3/core/totem-pl-parser/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, meson, ninja, pkgconfig, gettext, gmime, libxml2, gobjectIntrospection, gnome3 }:
+{ stdenv, fetchurl, meson, ninja, pkgconfig, gettext, gmime, libxml2, gobject-introspection, gnome3 }:
 
 stdenv.mkDerivation rec {
   name = "totem-pl-parser-${version}";
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
     updateScript = gnome3.updateScript { packageName = "totem-pl-parser"; attrPath = "gnome3.totem-pl-parser"; };
   };
 
-  nativeBuildInputs = [ meson ninja pkgconfig gettext gobjectIntrospection ];
+  nativeBuildInputs = [ meson ninja pkgconfig gettext gobject-introspection ];
   buildInputs = [ gmime libxml2 ];
 
   meta = with stdenv.lib; {
diff --git a/pkgs/desktops/gnome-3/core/totem/default.nix b/pkgs/desktops/gnome-3/core/totem/default.nix
index 2082dc0ac05..baecba8d355 100644
--- a/pkgs/desktops/gnome-3/core/totem/default.nix
+++ b/pkgs/desktops/gnome-3/core/totem/default.nix
@@ -1,6 +1,6 @@
 { stdenv, fetchurl, meson, ninja, intltool, gst_all_1
 , clutter-gtk, clutter-gst, python3Packages, shared-mime-info
-, pkgconfig, gtk3, glib, gobjectIntrospection
+, pkgconfig, gtk3, glib, gobject-introspection
 , wrapGAppsHook, itstool, libxml2, vala, gnome3
 , gdk_pixbuf, tracker, nautilus }:
 
@@ -17,7 +17,7 @@ stdenv.mkDerivation rec {
 
   NIX_CFLAGS_COMPILE = "-I${gnome3.glib.dev}/include/gio-unix-2.0";
 
-  nativeBuildInputs = [ meson ninja vala pkgconfig intltool python3Packages.python itstool gobjectIntrospection wrapGAppsHook ];
+  nativeBuildInputs = [ meson ninja vala pkgconfig intltool python3Packages.python itstool gobject-introspection wrapGAppsHook ];
   buildInputs = [
     gtk3 glib gnome3.grilo clutter-gtk clutter-gst gnome3.totem-pl-parser gnome3.grilo-plugins
     gst_all_1.gstreamer gst_all_1.gst-plugins-base gst_all_1.gst-plugins-good gst_all_1.gst-plugins-bad
diff --git a/pkgs/desktops/gnome-3/core/tracker/default.nix b/pkgs/desktops/gnome-3/core/tracker/default.nix
index 385a4c3d1d6..14795064cb4 100644
--- a/pkgs/desktops/gnome-3/core/tracker/default.nix
+++ b/pkgs/desktops/gnome-3/core/tracker/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, fetchFromGitLab, intltool, meson, ninja, pkgconfig, gobjectIntrospection, python2
+{ stdenv, fetchurl, fetchFromGitLab, intltool, meson, ninja, pkgconfig, gobject-introspection, python2
 , gtk-doc, docbook_xsl, docbook_xml_dtd_412, docbook_xml_dtd_43, glibcLocales
 , libxml2, upower, glib, wrapGAppsHook, vala, sqlite, libxslt, libstemmer
 , gnome3, icu, libuuid, networkmanager, libsoup, json-glib }:
@@ -17,7 +17,7 @@ in stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [
-    meson ninja vala pkgconfig intltool libxslt wrapGAppsHook gobjectIntrospection
+    meson ninja vala pkgconfig intltool libxslt wrapGAppsHook gobject-introspection
     gtk-doc docbook_xsl docbook_xml_dtd_412 docbook_xml_dtd_43 glibcLocales
     python2 # for data-generators
   ];
diff --git a/pkgs/desktops/gnome-3/core/vte/2.90.nix b/pkgs/desktops/gnome-3/core/vte/2.90.nix
index 7cd72ceee42..52bf198f29c 100644
--- a/pkgs/desktops/gnome-3/core/vte/2.90.nix
+++ b/pkgs/desktops/gnome-3/core/vte/2.90.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, intltool, pkgconfig, gnome3, ncurses, gobjectIntrospection }:
+{ stdenv, fetchurl, intltool, pkgconfig, gnome3, ncurses, gobject-introspection }:
 
 stdenv.mkDerivation rec {
   versionMajor = "0.36";
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [ pkgconfig ];
-  buildInputs = [ gobjectIntrospection intltool gnome3.glib gnome3.gtk3 ncurses ];
+  buildInputs = [ gobject-introspection intltool gnome3.glib gnome3.gtk3 ncurses ];
 
   configureFlags = [ "--enable-introspection" ];
 
diff --git a/pkgs/desktops/gnome-3/core/vte/default.nix b/pkgs/desktops/gnome-3/core/vte/default.nix
index 05db98ba424..96b18a7d7c5 100644
--- a/pkgs/desktops/gnome-3/core/vte/default.nix
+++ b/pkgs/desktops/gnome-3/core/vte/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchurl, intltool, pkgconfig
-, gnome3, ncurses, gobjectIntrospection, vala, libxml2, gnutls
+, gnome3, ncurses, gobject-introspection, vala, libxml2, gnutls
 , gperf, pcre2
 }:
 
@@ -16,7 +16,7 @@ stdenv.mkDerivation rec {
     updateScript = gnome3.updateScript { packageName = "vte"; attrPath = "gnome3.vte"; };
   };
 
-  nativeBuildInputs = [ gobjectIntrospection intltool pkgconfig vala gperf libxml2 ];
+  nativeBuildInputs = [ gobject-introspection intltool pkgconfig vala gperf libxml2 ];
   buildInputs = [ gnome3.glib gnome3.gtk3 ncurses ];
 
   propagatedBuildInputs = [
diff --git a/pkgs/desktops/gnome-3/default.nix b/pkgs/desktops/gnome-3/default.nix
index 536bec1d362..436b12d1064 100644
--- a/pkgs/desktops/gnome-3/default.nix
+++ b/pkgs/desktops/gnome-3/default.nix
@@ -35,7 +35,7 @@ lib.makeScope pkgs.newScope (self: with self; {
     hitori gnome-taquin
   ];
 
-  inherit (pkgs) atk glib gobjectIntrospection gspell webkitgtk gtk3 gtkmm3
+  inherit (pkgs) atk glib gobject-introspection gspell webkitgtk gtk3 gtkmm3
     libgtop libgudev libhttpseverywhere librsvg libsecret gdk_pixbuf gtksourceview gtksourceview4
     easytag meld orca rhythmbox shotwell gnome-usage
     clutter clutter-gst clutter-gtk cogl gtk-vnc libdazzle;
diff --git a/pkgs/desktops/gnome-3/devtools/devhelp/default.nix b/pkgs/desktops/gnome-3/devtools/devhelp/default.nix
index 246dd1592da..052cd49998d 100644
--- a/pkgs/desktops/gnome-3/devtools/devhelp/default.nix
+++ b/pkgs/desktops/gnome-3/devtools/devhelp/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchurl, meson, ninja, pkgconfig, gnome3, gtk3, wrapGAppsHook
-, glib, amtk, appstream-glib, gobjectIntrospection, python3
+, glib, amtk, appstream-glib, gobject-introspection, python3
 , webkitgtk, gettext, itstool, gsettings-desktop-schemas }:
 
 stdenv.mkDerivation rec {
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
     sha256 = "036sddvhs0blqpc2ixmjdl9vxynvkn5jpgn0jxr1fxcm4rh3q07a";
   };
 
-  nativeBuildInputs = [ meson ninja pkgconfig gettext itstool wrapGAppsHook appstream-glib gobjectIntrospection python3 ];
+  nativeBuildInputs = [ meson ninja pkgconfig gettext itstool wrapGAppsHook appstream-glib gobject-introspection python3 ];
   buildInputs = [
     glib gtk3 webkitgtk amtk
     gnome3.defaultIconTheme gsettings-desktop-schemas
diff --git a/pkgs/desktops/gnome-3/games/gnome-chess/default.nix b/pkgs/desktops/gnome-3/games/gnome-chess/default.nix
index caef33f94bd..dca598ce314 100644
--- a/pkgs/desktops/gnome-3/games/gnome-chess/default.nix
+++ b/pkgs/desktops/gnome-3/games/gnome-chess/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, meson, ninja, vala, pkgconfig, wrapGAppsHook, gobjectIntrospection
+{ stdenv, fetchurl, meson, ninja, vala, pkgconfig, wrapGAppsHook, gobject-introspection
 , gettext, itstool, libxml2, python3, gnome3, glib, gtk3, librsvg }:
 
 stdenv.mkDerivation rec {
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
     sha256 = "153wwh0861qfg53myyc3iwlqm989lbhdrlmsxaibmkxv3pgpl7ma";
   };
 
-  nativeBuildInputs = [ meson ninja vala pkgconfig gettext itstool libxml2 python3 wrapGAppsHook gobjectIntrospection ];
+  nativeBuildInputs = [ meson ninja vala pkgconfig gettext itstool libxml2 python3 wrapGAppsHook gobject-introspection ];
   buildInputs = [ glib gtk3 librsvg gnome3.defaultIconTheme ];
 
   postPatch = ''
diff --git a/pkgs/desktops/gnome-3/games/gnome-mines/default.nix b/pkgs/desktops/gnome-3/games/gnome-mines/default.nix
index ca21cbd4523..7896595de18 100644
--- a/pkgs/desktops/gnome-3/games/gnome-mines/default.nix
+++ b/pkgs/desktops/gnome-3/games/gnome-mines/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, meson, ninja, vala, gobjectIntrospection, pkgconfig, gnome3, gtk3, wrapGAppsHook
+{ stdenv, fetchurl, meson, ninja, vala, gobject-introspection, pkgconfig, gnome3, gtk3, wrapGAppsHook
 , librsvg, gettext, itstool, python3, libxml2, libgnome-games-support, libgee }:
 
 stdenv.mkDerivation rec {
@@ -10,8 +10,8 @@ stdenv.mkDerivation rec {
     sha256 = "08ddk400sg1g3q26gnm5mgv81vdqyix0yl7pd47p50vkc1w6f33z";
   };
 
-  # gobjectIntrospection for finding vapi files
-  nativeBuildInputs = [ meson ninja vala gobjectIntrospection pkgconfig gettext itstool python3 libxml2 wrapGAppsHook ];
+  # gobject-introspection for finding vapi files
+  nativeBuildInputs = [ meson ninja vala gobject-introspection pkgconfig gettext itstool python3 libxml2 wrapGAppsHook ];
   buildInputs = [ gtk3 librsvg gnome3.defaultIconTheme libgnome-games-support libgee ];
 
   postPatch = ''
diff --git a/pkgs/desktops/gnome-3/games/gnome-sudoku/default.nix b/pkgs/desktops/gnome-3/games/gnome-sudoku/default.nix
index 66f31245e0b..eaa9f3a1c8d 100644
--- a/pkgs/desktops/gnome-3/games/gnome-sudoku/default.nix
+++ b/pkgs/desktops/gnome-3/games/gnome-sudoku/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, meson, ninja, vala, pkgconfig, gobjectIntrospection, gettext, gtk3, gnome3, wrapGAppsHook
+{ stdenv, fetchurl, meson, ninja, vala, pkgconfig, gobject-introspection, gettext, gtk3, gnome3, wrapGAppsHook
 , json-glib, qqwing, itstool, libxml2, python3, desktop-file-utils }:
 
 stdenv.mkDerivation rec {
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
     sha256 = "1xy986s51jnrcqwan2hy4bjdg6797yr9s7gxx2z2q4j4gkx3qa1f";
   };
 
-  nativeBuildInputs = [ meson ninja vala pkgconfig gobjectIntrospection gettext itstool libxml2 python3 desktop-file-utils wrapGAppsHook ];
+  nativeBuildInputs = [ meson ninja vala pkgconfig gobject-introspection gettext itstool libxml2 python3 desktop-file-utils wrapGAppsHook ];
   buildInputs = [ gtk3 gnome3.libgee json-glib qqwing ];
 
   postPatch = ''
diff --git a/pkgs/desktops/gnome-3/misc/california/default.nix b/pkgs/desktops/gnome-3/misc/california/default.nix
index 7c90d8fa4e4..8024f66650e 100644
--- a/pkgs/desktops/gnome-3/misc/california/default.nix
+++ b/pkgs/desktops/gnome-3/misc/california/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, intltool, pkgconfig, gtk3, vala_0_34, libgee, wrapGAppsHook, itstool, gobjectIntrospection
+{ stdenv, fetchurl, intltool, pkgconfig, gtk3, vala_0_34, libgee, wrapGAppsHook, itstool, gobject-introspection
 , gnome-online-accounts, evolution-data-server, gnome3, glib, libsoup, libgdata, sqlite, xdg_utils }:
 
 let
@@ -12,7 +12,7 @@ in stdenv.mkDerivation rec {
     sha256 = "1dky2kllv469k8966ilnf4xrr7z35pq8mdvs7kwziy59cdikapxj";
   };
 
-  nativeBuildInputs = [ intltool itstool vala_0_34 pkgconfig wrapGAppsHook gobjectIntrospection ];
+  nativeBuildInputs = [ intltool itstool vala_0_34 pkgconfig wrapGAppsHook gobject-introspection ];
   buildInputs = [ glib gtk3 libgee libsoup libgdata gnome-online-accounts evolution-data-server sqlite xdg_utils gnome3.gsettings-desktop-schemas ];
 
   enableParallelBuilding = true;
diff --git a/pkgs/desktops/gnome-3/misc/geary/default.nix b/pkgs/desktops/gnome-3/misc/geary/default.nix
index a39375126f0..7bb54904fb0 100644
--- a/pkgs/desktops/gnome-3/misc/geary/default.nix
+++ b/pkgs/desktops/gnome-3/misc/geary/default.nix
@@ -1,7 +1,7 @@
 { stdenv, fetchurl, intltool, pkgconfig, gtk3, vala_0_40, enchant
 , wrapGAppsHook, gdk_pixbuf, cmake, ninja, desktop-file-utils
 , libnotify, libcanberra-gtk3, libsecret, gmime, isocodes
-, gobjectIntrospection, libpthreadstubs, sqlite
+, gobject-introspection, libpthreadstubs, sqlite
 , gnome3, librsvg, gnome-doc-utils, webkitgtk, fetchpatch }:
 
 let
@@ -32,7 +32,7 @@ stdenv.mkDerivation rec {
     })
   ];
 
-  nativeBuildInputs = [ vala_0_40 intltool pkgconfig wrapGAppsHook cmake ninja desktop-file-utils gnome-doc-utils gobjectIntrospection ];
+  nativeBuildInputs = [ vala_0_40 intltool pkgconfig wrapGAppsHook cmake ninja desktop-file-utils gnome-doc-utils gobject-introspection ];
   buildInputs = [
     gtk3 enchant webkitgtk libnotify libcanberra-gtk3 gnome3.libgee libsecret gmime sqlite
     libpthreadstubs gnome3.gsettings-desktop-schemas gnome3.gcr isocodes
diff --git a/pkgs/desktops/gnome-3/misc/gexiv2/default.nix b/pkgs/desktops/gnome-3/misc/gexiv2/default.nix
index 30872b88e44..d74faf09fb7 100644
--- a/pkgs/desktops/gnome-3/misc/gexiv2/default.nix
+++ b/pkgs/desktops/gnome-3/misc/gexiv2/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, meson, ninja, pkgconfig, exiv2, glib, gnome3, gobjectIntrospection, vala }:
+{ stdenv, fetchurl, meson, ninja, pkgconfig, exiv2, glib, gnome3, gobject-introspection, vala }:
 
 let
   pname = "gexiv2";
@@ -16,7 +16,7 @@ stdenv.mkDerivation rec {
     patchShebangs .
   '';
 
-  nativeBuildInputs = [ meson ninja pkgconfig gobjectIntrospection vala ];
+  nativeBuildInputs = [ meson ninja pkgconfig gobject-introspection vala ];
   buildInputs = [ glib ];
   propagatedBuildInputs = [ exiv2 ];
 
diff --git a/pkgs/desktops/gnome-3/misc/gfbgraph/default.nix b/pkgs/desktops/gnome-3/misc/gfbgraph/default.nix
index 7e2709fc1c1..f4c0d6134c0 100644
--- a/pkgs/desktops/gnome-3/misc/gfbgraph/default.nix
+++ b/pkgs/desktops/gnome-3/misc/gfbgraph/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchurl, pkgconfig, glib
-, gnome3, libsoup, json-glib, gobjectIntrospection }:
+, gnome3, libsoup, json-glib, gobject-introspection }:
 
 let
   pname = "gfbgraph";
@@ -14,7 +14,7 @@ in stdenv.mkDerivation rec {
     sha256 = "1dp0v8ia35fxs9yhnqpxj3ir5lh018jlbiwifjfn8ayy7h47j4fs";
   };
 
-  nativeBuildInputs = [ pkgconfig gobjectIntrospection ];
+  nativeBuildInputs = [ pkgconfig gobject-introspection ];
   buildInputs = [ glib gnome3.gnome-online-accounts ];
   propagatedBuildInputs = [ libsoup json-glib gnome3.rest ];
 
diff --git a/pkgs/desktops/gnome-3/misc/gitg/default.nix b/pkgs/desktops/gnome-3/misc/gitg/default.nix
index d94d14719c5..b424a8a7969 100644
--- a/pkgs/desktops/gnome-3/misc/gitg/default.nix
+++ b/pkgs/desktops/gnome-3/misc/gitg/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchurl, vala, intltool, pkgconfig, gtk3, glib
-, json-glib, wrapGAppsHook, libpeas, bash, gobjectIntrospection
+, json-glib, wrapGAppsHook, libpeas, bash, gobject-introspection
 , gnome3, gtkspell3, shared-mime-info, libgee, libgit2-glib, libsecret
 , meson, ninja, python3
  }:
@@ -30,7 +30,7 @@ in stdenv.mkDerivation rec {
   buildInputs = [
     gtk3 glib json-glib libgee libpeas gnome3.libsoup
     libgit2-glib gtkspell3 gnome3.gtksourceview gnome3.gsettings-desktop-schemas
-    libsecret gobjectIntrospection gnome3.adwaita-icon-theme
+    libsecret gobject-introspection gnome3.adwaita-icon-theme
   ];
 
   nativeBuildInputs = [ meson ninja python3 vala wrapGAppsHook intltool pkgconfig ];
diff --git a/pkgs/desktops/gnome-3/misc/gnome-autoar/default.nix b/pkgs/desktops/gnome-3/misc/gnome-autoar/default.nix
index 056aaaa28fc..c80c8b977cf 100644
--- a/pkgs/desktops/gnome-3/misc/gnome-autoar/default.nix
+++ b/pkgs/desktops/gnome-3/misc/gnome-autoar/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchurl, pkgconfig, gnome3
-, gtk3, glib, gobjectIntrospection, libarchive
+, gtk3, glib, gobject-introspection, libarchive
 }:
 
 stdenv.mkDerivation rec {
@@ -17,7 +17,7 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [ pkgconfig ];
   buildInputs = [ gtk3 glib ];
-  propagatedBuildInputs = [ libarchive gobjectIntrospection ];
+  propagatedBuildInputs = [ libarchive gobject-introspection ];
 
   meta = with stdenv.lib; {
     platforms = platforms.linux;
diff --git a/pkgs/desktops/gnome-3/misc/gnome-tweaks/default.nix b/pkgs/desktops/gnome-3/misc/gnome-tweaks/default.nix
index 1c2562916ca..d985eac4030 100644
--- a/pkgs/desktops/gnome-3/misc/gnome-tweaks/default.nix
+++ b/pkgs/desktops/gnome-3/misc/gnome-tweaks/default.nix
@@ -1,7 +1,7 @@
 { stdenv, meson, ninja, gettext, fetchurl
 , pkgconfig, gtk3, glib, libsoup
 , itstool, libxml2, python3Packages
-, gnome3, gdk_pixbuf, libnotify, gobjectIntrospection, wrapGAppsHook }:
+, gnome3, gdk_pixbuf, libnotify, gobject-introspection, wrapGAppsHook }:
 
 let
   pname = "gnome-tweaks";
@@ -22,7 +22,7 @@ in stdenv.mkDerivation rec {
     gdk_pixbuf gnome3.defaultIconTheme
     libnotify gnome3.gnome-shell python3Packages.pygobject3
     libsoup gnome3.gnome-settings-daemon gnome3.nautilus
-    gnome3.mutter gnome3.gnome-desktop gobjectIntrospection
+    gnome3.mutter gnome3.gnome-desktop gobject-introspection
     gnome3.nautilus
     # Makes it possible to select user themes through the `user-theme` extension
     gnome3.gnome-shell-extensions
diff --git a/pkgs/desktops/gnome-3/misc/gpaste/default.nix b/pkgs/desktops/gnome-3/misc/gpaste/default.nix
index 21c25dafef3..fd71f1f2a23 100644
--- a/pkgs/desktops/gnome-3/misc/gpaste/default.nix
+++ b/pkgs/desktops/gnome-3/misc/gpaste/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchurl, autoreconfHook, pkgconfig, vala, glib, gjs, mutter
-, pango, gtk3, gnome3, dbus, clutter, appstream-glib, wrapGAppsHook, systemd, gobjectIntrospection }:
+, pango, gtk3, gnome3, dbus, clutter, appstream-glib, wrapGAppsHook, systemd, gobject-introspection }:
 
 stdenv.mkDerivation rec {
   version = "3.30.2";
@@ -30,7 +30,7 @@ stdenv.mkDerivation rec {
   ];
   buildInputs = [
     glib gjs mutter gtk3 dbus
-    clutter pango gobjectIntrospection
+    clutter pango gobject-introspection
   ];
 
   configureFlags = [
diff --git a/pkgs/desktops/gnome-3/misc/libgit2-glib/default.nix b/pkgs/desktops/gnome-3/misc/libgit2-glib/default.nix
index f5f6b799b4b..8d078ea41e7 100644
--- a/pkgs/desktops/gnome-3/misc/libgit2-glib/default.nix
+++ b/pkgs/desktops/gnome-3/misc/libgit2-glib/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchurl, gnome3, meson, ninja, pkgconfig, vala, libssh2
-, gtk-doc, gobjectIntrospection, libgit2, glib, python3 }:
+, gtk-doc, gobject-introspection, libgit2, glib, python3 }:
 
 stdenv.mkDerivation rec {
   name = "libgit2-glib-${version}";
@@ -22,7 +22,7 @@ stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [
-    meson ninja pkgconfig vala gtk-doc gobjectIntrospection
+    meson ninja pkgconfig vala gtk-doc gobject-introspection
   ];
 
   propagatedBuildInputs = [
diff --git a/pkgs/desktops/gnome-3/misc/libmediaart/default.nix b/pkgs/desktops/gnome-3/misc/libmediaart/default.nix
index d8a564ac17e..fac5db94387 100644
--- a/pkgs/desktops/gnome-3/misc/libmediaart/default.nix
+++ b/pkgs/desktops/gnome-3/misc/libmediaart/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, pkgconfig, glib, gdk_pixbuf, gobjectIntrospection, gnome3 }:
+{ stdenv, fetchurl, pkgconfig, glib, gdk_pixbuf, gobject-introspection, gnome3 }:
 
 let
   pname = "libmediaart";
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
     sha256 = "a57be017257e4815389afe4f58fdacb6a50e74fd185452b23a652ee56b04813d";
   };
 
-  nativeBuildInputs = [ pkgconfig gobjectIntrospection ];
+  nativeBuildInputs = [ pkgconfig gobject-introspection ];
   buildInputs = [ glib gdk_pixbuf ];
 
   passthru = {
diff --git a/pkgs/desktops/gnome-3/misc/pomodoro/default.nix b/pkgs/desktops/gnome-3/misc/pomodoro/default.nix
index 4c3fd5a6c72..0a9b9bcfe9b 100644
--- a/pkgs/desktops/gnome-3/misc/pomodoro/default.nix
+++ b/pkgs/desktops/gnome-3/misc/pomodoro/default.nix
@@ -1,6 +1,6 @@
 { stdenv, fetchFromGitHub, fetchpatch, autoconf-archive, appstream-glib, intltool, pkgconfig, libtool, wrapGAppsHook,
   dbus-glib, libcanberra, gst_all_1, vala, gnome3, gtk3, libxml2, autoreconfHook,
-  glib, gobjectIntrospection, libpeas
+  glib, gobject-introspection, libpeas
 }:
 
 stdenv.mkDerivation rec {
@@ -28,7 +28,7 @@ stdenv.mkDerivation rec {
   ];
 
   buildInputs = [
-    glib gobjectIntrospection libpeas
+    glib gobject-introspection libpeas
     dbus-glib libcanberra gst_all_1.gstreamer
     gst_all_1.gst-plugins-base gst_all_1.gst-plugins-good
     gnome3.gsettings-desktop-schemas