Do not create temp directories and files at runtime

Fix #24

Author: TheTumultuousUnicornOfDarkness

linuxdeploy-plugin-gtk.sh

@@ -182,16 +182,6 @@ cat > "$HOOKFILE" <<\EOF
 gsettings get org.gnome.desktop.interface gtk-theme 2> /dev/null | grep -qi "dark" && GTK_THEME_VARIANT="dark" || GTK_THEME_VARIANT="light"
 APPIMAGE_GTK_THEME="${APPIMAGE_GTK_THEME:-"Adwaita:$GTK_THEME_VARIANT"}" # Allow user to override theme (discouraged)
 
-# in case we run from an AppImage, we use the $APPDIR environment variable as a template for the temporary directory that should be created
-# this allows users to attribute the tempdir to the running AppImage
-if [ "$APPDIR" != "" ]; then
-    tempdir_template="$APPDIR".ld-p-gtk-tmp-XXXXXX
-else
-    tempdir_template=/tmp/.ld-p-gtk-tmp-XXXXXX
-fi
-
-export CACHEDIR="$(mktemp -d "$tempdir_template")"
-
 export APPDIR="${APPDIR:-"$(dirname "$(realpath "$0")")"}" # Workaround to run extracted AppImage
 export GTK_DATA_PREFIX="$APPDIR"
 export GTK_THEME="$APPIMAGE_GTK_THEME" # Custom themes are broken
@@ -222,12 +212,12 @@ case "$DEPLOY_GTK_VERSION" in
         gtk3_immodules_cache_file="$(dirname "$gtk3_immodulesdir")/immodules.cache"
         gtk3_immodules_query="$(search_tool "gtk-query-immodules-3.0" "libgtk-3-0")"
         copy_tree "$gtk3_libdir" "$APPDIR/"
+        sed -i "s|$gtk3_libdir/||g" "$APPDIR/$gtk3_immodules_cache_file"
         cat >> "$HOOKFILE" <<EOF
 export GTK_EXE_PREFIX="\$APPDIR/$gtk3_exec_prefix"
 export GTK_PATH="\$APPDIR/$gtk3_path"
-export GTK_IM_MODULE_DIR="\$APPDIR/$gtk3_immodulesdir"
-export GTK_IM_MODULE_FILE="\$CACHEDIR/immodules.cache"
-sed "s|$gtk3_libdir|\$APPDIR/$gtk3_libdir|g" "\$APPDIR/$gtk3_immodules_cache_file" > "\$GTK_IM_MODULE_FILE"
+export GTK_IM_MODULE_FILE="\$APPDIR/$gtk3_immodules_cache_file"
+
 EOF
         if [ -x "$gtk3_immodules_query" ]; then
             echo "Updating immodules cache in $APPDIR/$gtk3_immodules_cache_file"
@@ -264,10 +254,9 @@ gdk_pixbuf_moduledir="$(get_pkgconf_variable "gdk_pixbuf_moduledir" "gdk-pixbuf-
 # Note: gdk_pixbuf_query_loaders variable is not defined on some systems
 gdk_pixbuf_query="$(search_tool "gdk-pixbuf-query-loaders" "gdk-pixbuf-2.0")"
 copy_tree "$gdk_pixbuf_binarydir" "$APPDIR/"
+sed -i "s|$gdk_pixbuf_moduledir/||g" "$APPDIR/$gdk_pixbuf_cache_file"
 cat >> "$HOOKFILE" <<EOF
-export GDK_PIXBUF_MODULEDIR="\$APPDIR/$gdk_pixbuf_moduledir"
-export GDK_PIXBUF_MODULE_FILE="\$CACHEDIR/loaders.cache"
-sed "s|$gdk_pixbuf_moduledir|\$APPDIR/$gdk_pixbuf_moduledir|g" "\$APPDIR/$gdk_pixbuf_cache_file" > "\$GDK_PIXBUF_MODULE_FILE"
+export GDK_PIXBUF_MODULE_FILE="\$APPDIR/$gdk_pixbuf_cache_file"
 EOF
 if [ -x "$gdk_pixbuf_query" ]; then
     echo "Updating pixbuf cache in $APPDIR/$gdk_pixbuf_cache_file"
@@ -315,6 +304,7 @@ PATCH_ARRAY=(
 for directory in "${PATCH_ARRAY[@]}"; do
     while IFS= read -r -d '' file; do
         # shellcheck disable=SC2016
-        patchelf --set-rpath '$ORIGIN/../../../..' "$APPDIR/$file"
+        patchelf --set-rpath '$ORIGIN' "$APPDIR/$file"
+        ln $verbose -s "${file/\/usr\/lib\//}" "$APPDIR/usr/lib"
     done < <(find "$directory" -name '*.so' -print0)
 done