build: Stop building libglib-testing as a subproject

Just add it as a dependency instead. It’s a lot less painful (git
submodules are still a pain to use; and `git evtag` doesn’t work well
with them); and libglib-testing has just done a 0.1.0 release which we
can depend on.

Signed-off-by: Philip Withnall <withnall@endlessm.com>

.gitlab-ci.yml

@@ -6,6 +6,7 @@ before_script:
                    libglib2.0-dev libgirepository1.0-dev libpam0g-dev
                    gettext policykit-1 libpolkit-gobject-1-dev git
                    lcov libgtk-3-dev libaccountsservice-dev libflatpak-dev
+                   libglib-testing-0-dev
   - export LANG=C.UTF-8
 
 stages:
@@ -21,7 +22,6 @@ debian:
   except:
     - tags
   script:
-    - git submodule update --init
     - meson --buildtype debug --werror -Db_coverage=true -Ddocumentation=true _build .
     - meson test -C _build
     # FIXME: lcov doesn't support gcc9 yet:

.gitmodules

@@ -1,3 +0,0 @@
-[submodule "subprojects/libglib-testing"]
-	path = subprojects/libglib-testing
-	url = https://gitlab.gnome.org/pwithnall/libglib-testing.git

libmalcontent/tests/meson.build

@@ -3,8 +3,8 @@ deps = [
   dependency('gio-unix-2.0', version: '>= 2.44'),
   dependency('glib-2.0', version: '>= 2.60.0'),
   dependency('gobject-2.0', version: '>= 2.44'),
+  dependency('glib-testing-0'),
   libmalcontent_dep,
-  libglib_testing_dep,
 ]
 
 envs = test_env + [

meson.build

@@ -41,11 +41,6 @@ polkit_gobject = dependency('polkit-gobject-1')
 polkitpolicydir = polkit_gobject.get_pkgconfig_variable('policydir',
   define_variable: ['prefix', prefix])
 
-libglib_testing_dep = dependency(
-  'glib-testing-0',
-  fallback: ['libglib-testing', 'libglib_testing_dep'],
-)
-
 config_h = configuration_data()
 config_h.set_quoted('GETTEXT_PACKAGE', 'malcontent')
 config_h.set_quoted('PACKAGE_LOCALE_DIR', join_paths(get_option('prefix'), get_option('localedir')))

subprojects/libglib-testing

@@ -1 +0,0 @@
-Subproject commit 412c706b51ca04a9ca873bfa495e32c47f586c84