Add more GTK-related files to AppDir

linuxdeploy-plugin-gtk.sh

@@ -5,6 +5,7 @@ set -e
 
 if [ "$DEBUG" != "" ]; then
     set -x
+    verbose="--verbose"
 fi
 
 script=$(readlink -f "$0")
@@ -15,6 +16,15 @@ show_usage() {
     echo "Bundles resources for applications that use Gtk 2 or 3 into an AppDir"
 }
 
+copy_tree() {
+    local src=("${@:1:$#-1}")
+    local dst="${*:$#}"
+
+    for elem in "${src[@]}"; do
+        cp "$elem" --archive --parents --target-directory="$dst" $verbose
+    done
+}
+
 APPDIR=
 
 while [ "$1" != "" ]; do
@@ -48,10 +58,78 @@ fi
 
 mkdir -p "$APPDIR"
 
-pushd "$APPDIR"
+if command -v pkgconf > /dev/null; then
+    PKG_CONFIG="pkgconf"
+elif command -v pkg-config > /dev/null; then
+    PKG_CONFIG="pkg-config"
+else
+    echo "$0: pkg-config/pkgconf not found in PATH, aborting"
+    exit 1
+fi
+
+echo "Installing AppRun hook"
+HOOKSDIR="$APPDIR/apprun-hooks"
+HOOKFILE="$HOOKSDIR/linuxdeploy-plugin-gtk.sh"
+mkdir -p "$HOOKSDIR"
+cat > "$HOOKFILE" <<\EOF
+#! /bin/bash
+
+gsettings get org.gnome.desktop.interface gtk-theme 2> /dev/null | grep -qi "dark" && GTK_THEME_VARIANT="dark" || GTK_THEME_VARIANT="light"
+APPIMAGE_GTK_THEME="${APPIMAGE_GTK_THEME:-"Adwaita:$GTK_THEME_VARIANT"}" # Allow user to override theme (discouraged)
+CACHEDIR="$(mktemp --tmpdir --directory .AppRun.XXXXXXXX)"
+
+export APPDIR="${APPDIR:-"$(dirname "$(realpath "$0")")"}" # Workaround to run extracted AppImage
+export GTK_DATA_PREFIX="$APPDIR"
+export GTK_THEME="$APPIMAGE_GTK_THEME" # Custom themes are broken
+export GDK_BACKEND=x11 # Crash with Wayland backend on Wayland
+EOF
+
+echo "Installing GLib schemas"
+glib_schemasdir="$("$PKG_CONFIG" --variable=schemasdir gio-2.0)"
+[ -z "$glib_schemasdir" ] && glib_schemasdir="/usr/share/glib-2.0/schemas" # Fix for Ubuntu 16.04
+copy_tree "$glib_schemasdir" "$APPDIR/"
+glib-compile-schemas "$APPDIR/$glib_schemasdir"
+cat >> "$HOOKFILE" <<EOF
+export GSETTINGS_SCHEMA_DIR="\$APPDIR/$glib_schemasdir"
+EOF
+
+echo "Installing GTK 3.0 modules"
+gtk3_exec_prefix="$("$PKG_CONFIG" --variable=exec_prefix gtk+-3.0)"
+gtk3_libdir="$("$PKG_CONFIG" --variable=libdir gtk+-3.0)/gtk-3.0"
+gtk3_immodulesdir="$gtk3_libdir/$("$PKG_CONFIG" --variable=gtk_binary_version gtk+-3.0)/immodules"
+gtk3_immodules_cache_file="$(dirname "$gtk3_immodulesdir")/immodules.cache"
+copy_tree "$gtk3_libdir" "$APPDIR/"
+cat >> "$HOOKFILE" <<EOF
+export GTK_EXE_PREFIX="\$APPDIR/$gtk3_exec_prefix"
+export GTK_PATH="\$APPDIR/$gtk3_libdir"
+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"
+EOF
+
+echo "Installing GDK PixBufs"
+gdk_libdir="$("$PKG_CONFIG" --variable=libdir gdk-pixbuf-2.0)"
+gdk_pixbuf_binarydir="$("$PKG_CONFIG" --variable=gdk_pixbuf_binarydir gdk-pixbuf-2.0)"
+gdk_pixbuf_cache_file="$("$PKG_CONFIG" --variable=gdk_pixbuf_cache_file gdk-pixbuf-2.0)"
+gdk_pixbuf_moduledir="$("$PKG_CONFIG" --variable=gdk_pixbuf_moduledir gdk-pixbuf-2.0)"
+copy_tree "$gdk_pixbuf_binarydir" "$APPDIR/"
+cat >> "$HOOKFILE" <<EOF
+export GDK_PIXBUF_MODULEDIR="\$APPDIR/$gdk_pixbuf_moduledir"
+export GDK_PIXBUF_MODULE_FILE="\$CACHEDIR/loaders.cache"
+export LD_LIBRARY_PATH="\$GDK_PIXBUF_MODULEDIR:\$LD_LIBRARY_PATH"
+sed "s|$gdk_pixbuf_moduledir|\$APPDIR/$gdk_pixbuf_moduledir|g" "\$APPDIR/$gdk_pixbuf_cache_file" > "\$GDK_PIXBUF_MODULE_FILE"
+EOF
 
-# source: https://github.com/AppImage/pkg2appimage/blob/3168d7ce787246feb697a950005fbffec0533def/legacy/pinta/Recipe#L41
-mkdir -p usr/share/glib-2.0/schemas/
-pushd usr/share/glib-2.0/schemas/
-ln -s /usr/share/glib-2.0/schemas/gschemas.compiled .
-popd
+echo "Copying more libraries"
+gobject_libdir="$("$PKG_CONFIG" --variable=libdir gobject-2.0)"
+gio_libdir="$("$PKG_CONFIG" --variable=libdir gio-2.0)"
+librsvg_libdir="$("$PKG_CONFIG" --variable=libdir librsvg-2.0)"
+cp $verbose \
+    "$gdk_libdir/"libgdk_pixbuf*.so* \
+    "$gobject_libdir/"libgobject*.so* \
+    "$gio_libdir/"libgio*.so* \
+    "$librsvg_libdir/"librsvg*.so* \
+    "$APPDIR/usr/lib/"
+cat >> "$HOOKFILE" <<EOF
+export LD_LIBRARY_PATH="\$APPDIR/usr/lib:\$LD_LIBRARY_PATH"
+EOF