lenovo-dytc: Use new gudev helper

.gitlab-ci.yml

@@ -14,12 +14,23 @@ variables:
                 python3-gobject
                 python3-dbusmock
                 umockdev
+                make
+                automake
+                autoconf
+                libtool
+                pkgconfig(libudev)
 
 build_stable:
   before_script:
     - dnf upgrade -y --nogpgcheck fedora-release fedora-repos*
     - dnf update -y && dnf install -y $DEPENDENCIES
   script:
+    # For when gudev gets updated/released
+    - git clone https://gitlab.gnome.org/GNOME/libgudev.git
+    - cd libgudev
+    - ./autogen.sh --prefix=/usr --disable-umockdev -disable-dependency-tracking
+    - make install
+    - cd ..
     - meson -Dgtk_doc=true -Dgtk-tests=true _build
     - ninja -v -C _build
     - ninja -v -C _build install

meson.build

@@ -35,7 +35,7 @@ if systemd_system_unit_dir == 'auto'
     systemd_system_unit_dir = systemd_dep.get_pkgconfig_variable('systemdsystemunitdir')
 endif
 gio_dep = dependency('gio-2.0')
-gudev_dep = dependency('gudev-1.0', version: '>= 232')
+gudev_dep = dependency('gudev-1.0', version: '>= 234')
 upower_dep = dependency('upower-glib')
 
 gnome = import('gnome')

src/ppd-driver-lenovo-dytc.c

@@ -45,21 +45,6 @@ ppd_driver_lenovo_dytc_constructor (GType                  type,
   return object;
 }
 
-static gboolean
-sysfs_attr_as_boolean (GUdevDevice *device,
-                       const char  *attribute)
-{
-  g_autofree char *contents = NULL;
-  g_autofree char *filename = NULL;
-
-  filename = g_build_filename (g_udev_device_get_sysfs_path (device), attribute, NULL);
-  if (!g_file_get_contents (filename, &contents, NULL, NULL))
-    return FALSE;
-
-  g_strdelimit (contents, "\n", '\0');
-  return (g_strcmp0 (contents, "1") == 0);
-}
-
 static const char *
 profile_to_perfmode_value (PpdProfile profile)
 {
@@ -80,7 +65,7 @@ update_dytc_state (PpdDriverLenovoDytc *dytc)
 {
   gboolean new_lapmode;
 
-  new_lapmode = sysfs_attr_as_boolean (dytc->device, LAPMODE_SYSFS_NAME);
+  new_lapmode = g_udev_device_get_sysfs_attr_as_boolean_uncached (dytc->device, LAPMODE_SYSFS_NAME);
   if (new_lapmode != dytc->lapmode) {
     dytc->lapmode = new_lapmode;
     g_debug ("dytc_lapmode is now %s, so profile is %s",