add a terrible hack to unset problematic env variables (#14)

Author: Samueru-sama

hack.patch

@@ -0,0 +1,33 @@
+diff --git a/source/rofi.c b/source/rofi.c
+index 37ad16f0..58fca78a 100644
+--- a/source/rofi.c
++++ b/source/rofi.c
+@@ -76,6 +76,19 @@
+ 
+ #endif
+ 
++/** Terrible hack */
++static void terrible_hack_for_appimage(void)
++{
++  if ( g_getenv("APPDIR") ) {
++    g_unsetenv("APPDIR");
++    g_unsetenv("GIO_MODULE_DIR");
++    g_unsetenv("GSETTINGS_SCHEMA_DIR");
++    g_unsetenv("GDK_PIXBUF_MODULEDIR");
++    g_unsetenv("GDK_PIXBUF_MODULE_FILE");
++    g_unsetenv("GTK_PATH");
++  }
++}
++
+ /** Location of pidfile for this instance. */
+ char *pidfile = NULL;
+ /** Location of Cache directory. */
+@@ -1299,6 +1312,8 @@ int main(int argc, char *argv[]) {
+   rofi_icon_fetcher_init();
+   TICK_N("Icon fetcher initialize");
+ 
++  terrible_hack_for_appimage();
++
+   gboolean kill_running = FALSE;
+   if (find_arg("-replace") >= 0) {
+     kill_running = TRUE;

rofi-appimage.sh

@@ -9,13 +9,16 @@ export URUNTIME_PRELOAD=1
 UPINFO="gh-releases-zsync|$(echo "$GITHUB_REPOSITORY" | tr '/' '|')|latest|*$ARCH.AppImage.zsync"
 SHARUN="https://github.com/VHSgunzo/sharun/releases/latest/download/sharun-$ARCH-aio"
 APPIMAGETOOL="https://github.com/pkgforge-dev/appimagetool-uruntime/releases/download/continuous/appimagetool-$ARCH.AppImage"
+PATCH="$PWD"/hack.patch
 
 # CREATE DIRECTORIES
 mkdir ./AppDir && (
 	cd ./AppDir
 	# DOWNLOAD AND BUILD ROFI
 	git clone --depth 1 "https://github.com/davatorium/rofi.git" ./rofi && (
 		cd ./rofi
+		cp -v "$PATCH" ./hack.patch
+		patch -p1 -i ./hack.patch
 		meson --prefix /usr . build
 		meson compile -C build
 		meson install -C build --destdir "$(realpath ../)"