[neon/backports-focal/xdg-desktop-portal/Neon/unstable] tests: tests: Ensure XDG_DATA_DIRS is well-formed

[Bastien Nocera]

Git commit 8076a1665077ce705af17e90b90324962e2e609a by Bastien Nocera.
Committed on 22/04/2020 at 14:15.
Pushed by ash into branch 'Neon/unstable'.

tests: Ensure XDG_DATA_DIRS is well-formed

Make sure XDG_DATA_DIRS includes /usr/share/ to pick up on the system
schemas.

M  +35   -0    tests/test-portals.c

https://invent.kde.org/neon/backports-focal/xdg-desktop-portal/commit/8076a1665077ce705af17e90b90324962e2e609a

diff --git a/tests/test-portals.c b/tests/test-portals.c
index ec740aa..3446ac1 100644
--- a/tests/test-portals.c
+++ b/tests/test-portals.c
@@ -73,6 +73,39 @@ timeout_cb (gpointer data)
   return G_SOURCE_REMOVE;
 }
 
+static void
+update_data_dirs (void)
+{
+  const char *data_dirs;
+  gssize len = 0;
+  GString *str;
+  char *new_val;
+
+  data_dirs = g_getenv ("XDG_DATA_DIRS");
+  if (data_dirs != NULL &&
+      strstr (data_dirs, "/usr/share") != NULL)
+    {
+      return;
+    }
+
+  if (data_dirs != NULL)
+    {
+      len = strlen (data_dirs);
+      if (data_dirs[len] == ':')
+        len--;
+    }
+
+  str = g_string_new_len (data_dirs, len);
+  if (str->len > 0)
+    g_string_append_c (str, ':');
+  g_string_append (str, "/usr/local/share/:/usr/share/");
+  new_val = g_string_free (str, FALSE);
+
+  g_debug ("Setting XDG_DATA_DIRS to %s", new_val);
+  g_setenv ("XDG_DATA_DIRS", new_val, TRUE);
+  /* new_val is leaked */
+}
+
 static void
 global_setup (void)
 {
@@ -88,6 +121,8 @@ global_setup (void)
   static gboolean name_appeared;
   guint watch;
 
+  update_data_dirs ();
+
   g_mkdtemp (outdir);
   g_print ("outdir: %s\n", outdir);