Files
archived-linuxdeploy-plugin…/linuxdeploy-plugin-gtk.sh
2024-01-04 16:07:08 +01:00

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#! /usr/bin/env bash
# GTK3 environment variables: https://developer.gnome.org/gtk3/stable/gtk-running.html
# GTK4 environment variables: https://developer.gnome.org/gtk4/stable/gtk-running.html
# abort on all errors
set -e
if [ "$DEBUG" != "" ]; then
set -x
verbose="--verbose"
fi
script=$(readlink -f "$0")
show_usage() {
echo "Usage: $script --appdir <path to AppDir>"
echo
echo "Bundles resources for applications that use GTK into an AppDir"
echo
echo "Required variables:"
echo " LINUXDEPLOY=\".../linuxdeploy\" path to linuxdeploy (e.g., AppImage); set automatically when plugin is run directly by linuxdeploy"
#echo
#echo "Optional variables:"
#echo " DEPLOY_GTK_VERSION (major version of GTK to deploy, e.g. '2', '3' or '4'; auto-detect by default)"
}
variable_is_true() {
local var="$1"
if [ -n "$var" ] && { [ "$var" == "true" ] || [ "$var" -gt 0 ]; } 2> /dev/null; then
return 0 # true
else
return 1 # false
fi
}
get_pkgconf_variable() {
local variable="$1"
local library="$2"
local default_path="$3"
path="$("$PKG_CONFIG" --variable="$variable" "$library")"
if [ -n "$path" ]; then
echo "$path"
elif [ -n "$default_path" ]; then
echo "$default_path"
else
echo "$0: there is no '$variable' variable for '$library' library." > /dev/stderr
echo "Please check the '$library.pc' file is present in \$PKG_CONFIG_PATH (you may need to install the appropriate -dev/-devel package)." > /dev/stderr
exit 1
fi
}
copy_tree() {
local src=("${@:1:$#-1}")
local dst="${*:$#}"
for elem in "${src[@]}"; do
mkdir -p "${dst::-1}$elem"
cp "$elem" --archive --parents --target-directory="$dst" $verbose
done
}
search_tool() {
local tool="$1"
local directory="$2"
if command -v "$tool"; then
return 0
fi
PATH_ARRAY=(
"/usr/lib/$(uname -m)-linux-gnu/$directory/$tool"
"/usr/lib/$directory/$tool"
"/usr/bin/$tool"
"/usr/bin/$tool-64"
"/usr/bin/$tool-32"
)
for path in "${PATH_ARRAY[@]}"; do
if [ -x "$path" ]; then
echo "$path"
return 0
fi
done
}
#DEPLOY_GTK_VERSION="${DEPLOY_GTK_VERSION:-0}" # When not set by user, this variable use the integer '0' as a sentinel value
DEPLOY_GTK_VERSION=3 # Force GTK3 for tauri apps
APPDIR=
while [ "$1" != "" ]; do
case "$1" in
--plugin-api-version)
echo "0"
exit 0
;;
--appdir)
APPDIR="$2"
shift
shift
;;
--help)
show_usage
exit 0
;;
*)
echo "Invalid argument: $1"
echo
show_usage
exit 1
;;
esac
done
if [ "$APPDIR" == "" ]; then
show_usage
exit 1
fi
mkdir -p "$APPDIR"
# make lib64 writable again.
chmod +w "$APPDIR"/usr/lib64 || true
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
if ! command -v find &>/dev/null && ! type find &>/dev/null; then
echo -e "$0: find not found.\nInstall findutils then re-run the plugin."
exit 1
fi
if [ -z "$LINUXDEPLOY" ]; then
echo -e "$0: LINUXDEPLOY environment variable is not set.\nDownload a suitable linuxdeploy AppImage, set the environment variable and re-run the plugin."
exit 1
fi
gtk_versions=0 # Count major versions of GTK when auto-detect GTK version
if [ "$DEPLOY_GTK_VERSION" -eq 0 ]; then
echo "Determining which GTK version to deploy"
while IFS= read -r -d '' file; do
if [ "$DEPLOY_GTK_VERSION" -ne 2 ] && ldd "$file" | grep -q "libgtk-x11-2.0.so"; then
DEPLOY_GTK_VERSION=2
gtk_versions="$((gtk_versions+1))"
fi
if [ "$DEPLOY_GTK_VERSION" -ne 3 ] && ldd "$file" | grep -q "libgtk-3.so"; then
DEPLOY_GTK_VERSION=3
gtk_versions="$((gtk_versions+1))"
fi
if [ "$DEPLOY_GTK_VERSION" -ne 4 ] && ldd "$file" | grep -q "libgtk-4.so"; then
DEPLOY_GTK_VERSION=4
gtk_versions="$((gtk_versions+1))"
fi
done < <(find "$APPDIR/usr/bin" -executable -type f -print0)
fi
if [ "$gtk_versions" -gt 1 ]; then
echo "$0: can not deploy multiple GTK versions at the same time."
echo "Please set DEPLOY_GTK_VERSION to {2, 3, 4}."
exit 1
elif [ "$DEPLOY_GTK_VERSION" -eq 0 ]; then
echo "$0: failed to auto-detect GTK version."
echo "Please set DEPLOY_GTK_VERSION to {2, 3, 4}."
exit 1
fi
echo "Installing AppRun hook"
HOOKSDIR="$APPDIR/apprun-hooks"
HOOKFILE="$HOOKSDIR/linuxdeploy-plugin-gtk.sh"
mkdir -p "$HOOKSDIR"
cat > "$HOOKFILE" <<\EOF
#! /usr/bin/env bash
gsettings get org.gnome.desktop.interface gtk-theme 2> /dev/null | grep -qi "dark" && GTK_THEME_VARIANT="dark" || GTK_THEME_VARIANT="light"
APPIMAGE_GTK_THEME="${APPIMAGE_GTK_THEME:-"Adwaita:$GTK_THEME_VARIANT"}" # Allow user to override theme (discouraged)
export APPDIR="${APPDIR:-"$(dirname "$(realpath "$0")")"}" # Workaround to run extracted AppImage
export GTK_DATA_PREFIX="$APPDIR"
export GTK_THEME="$APPIMAGE_GTK_THEME" # Custom themes are broken
export GDK_BACKEND=x11 # Crash with Wayland backend on Wayland - We tested it without it and ended up with this: https://github.com/tauri-apps/tauri/issues/8541
export XDG_DATA_DIRS="$APPDIR/usr/share:/usr/share:$XDG_DATA_DIRS" # g_get_system_data_dirs() from GLib
EOF
echo "Installing GLib schemas"
# Note: schemasdir is undefined on Ubuntu 16.04
glib_schemasdir="$(get_pkgconf_variable "schemasdir" "gio-2.0" "/usr/share/glib-2.0/schemas")"
copy_tree "$glib_schemasdir" "$APPDIR/"
glib-compile-schemas "$APPDIR/$glib_schemasdir"
cat >> "$HOOKFILE" <<EOF
export GSETTINGS_SCHEMA_DIR="\$APPDIR/$glib_schemasdir"
EOF
case "$DEPLOY_GTK_VERSION" in
2)
# https://github.com/linuxdeploy/linuxdeploy-plugin-gtk/pull/20#issuecomment-826354261
echo "WARNING: Gtk+2 applications are not fully supported by this plugin"
;;
3)
echo "Installing GTK 3.0 modules"
gtk3_exec_prefix="$(get_pkgconf_variable "exec_prefix" "gtk+-3.0")"
gtk3_libdir="$(get_pkgconf_variable "libdir" "gtk+-3.0")/gtk-3.0"
#gtk3_path="$gtk3_libdir/modules" export GTK_PATH="\$APPDIR/$gtk3_path"
gtk3_immodulesdir="$gtk3_libdir/$(get_pkgconf_variable "gtk_binary_version" "gtk+-3.0")/immodules"
gtk3_printbackendsdir="$gtk3_libdir/$(get_pkgconf_variable "gtk_binary_version" "gtk+-3.0")/printbackends"
gtk3_immodules_cache_file="$(dirname "$gtk3_immodulesdir")/immodules.cache"
gtk3_immodules_query="$(search_tool "gtk-query-immodules-3.0" "libgtk-3-0")"
copy_tree "$gtk3_libdir" "$APPDIR/"
cat >> "$HOOKFILE" <<EOF
export GTK_EXE_PREFIX="\$APPDIR/$gtk3_exec_prefix"
export GTK_PATH="\$APPDIR/$gtk3_libdir:/usr/lib64/gtk-3.0:/usr/lib/x86_64-linux-gnu/gtk-3.0"
export GTK_IM_MODULE_FILE="\$APPDIR/$gtk3_immodules_cache_file"
EOF
if [ -x "$gtk3_immodules_query" ]; then
echo "Updating immodules cache in $APPDIR/$gtk3_immodules_cache_file"
"$gtk3_immodules_query" > "$APPDIR/$gtk3_immodules_cache_file"
else
echo "WARNING: gtk-query-immodules-3.0 not found"
fi
if [ ! -f "$APPDIR/$gtk3_immodules_cache_file" ]; then
echo "WARNING: immodules.cache file is missing"
fi
sed -i "s|$gtk3_libdir/3.0.0/immodules/||g" "$APPDIR/$gtk3_immodules_cache_file"
;;
4)
echo "Installing GTK 4.0 modules"
gtk4_exec_prefix="$(get_pkgconf_variable "exec_prefix" "gtk4" "/usr")"
gtk4_libdir="$(get_pkgconf_variable "libdir" "gtk4")/gtk-4.0"
gtk4_path="$gtk4_libdir/modules"
copy_tree "$gtk4_libdir" "$APPDIR/"
cat >> "$HOOKFILE" <<EOF
export GTK_EXE_PREFIX="\$APPDIR/$gtk4_exec_prefix"
export GTK_PATH="\$APPDIR/$gtk4_path"
EOF
;;
*)
echo "$0: '$DEPLOY_GTK_VERSION' is not a valid GTK major version."
echo "Please set DEPLOY_GTK_VERSION to {2, 3, 4}."
exit 1
esac
echo "Installing GDK PixBufs"
gdk_libdir="$(get_pkgconf_variable "libdir" "gdk-pixbuf-2.0")"
gdk_pixbuf_binarydir="$(get_pkgconf_variable "gdk_pixbuf_binarydir" "gdk-pixbuf-2.0")"
gdk_pixbuf_cache_file="$(get_pkgconf_variable "gdk_pixbuf_cache_file" "gdk-pixbuf-2.0")"
gdk_pixbuf_moduledir="$(get_pkgconf_variable "gdk_pixbuf_moduledir" "gdk-pixbuf-2.0")"
# 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" "$APPDIR/"
cat >> "$HOOKFILE" <<EOF
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"
"$gdk_pixbuf_query" > "$APPDIR/$gdk_pixbuf_cache_file"
else
echo "WARNING: gdk-pixbuf-query-loaders not found"
fi
if [ ! -f "$APPDIR/$gdk_pixbuf_cache_file" ]; then
echo "WARNING: loaders.cache file is missing"
fi
sed -i "s|$gdk_pixbuf_moduledir/||g" "$APPDIR/$gdk_pixbuf_cache_file"
echo "Copying more libraries"
gobject_libdir="$(get_pkgconf_variable "libdir" "gobject-2.0")"
gio_libdir="$(get_pkgconf_variable "libdir" "gio-2.0")"
librsvg_libdir="$(get_pkgconf_variable "libdir" "librsvg-2.0")"
pango_libdir="$(get_pkgconf_variable "libdir" "pango")"
pangocairo_libdir="$(get_pkgconf_variable "libdir" "pangocairo")"
pangoft2_libdir="$(get_pkgconf_variable "libdir" "pangoft2")"
FIND_ARRAY=(
"$gdk_libdir" "libgdk_pixbuf-*.so*"
"$gobject_libdir" "libgobject-*.so*"
"$gio_libdir" "libgio-*.so*"
"$librsvg_libdir" "librsvg-*.so*"
"$pango_libdir" "libpango-*.so*"
"$pangocairo_libdir" "libpangocairo-*.so*"
"$pangoft2_libdir" "libpangoft2-*.so*"
)
LIBRARIES=()
for (( i=0; i<${#FIND_ARRAY[@]}; i+=2 )); do
directory=${FIND_ARRAY[i]}
library=${FIND_ARRAY[i+1]}
while IFS= read -r -d '' file; do
LIBRARIES+=( "--library=$file" )
done < <(find "$directory" \( -type l -o -type f \) -name "$library" -print0)
done
env LINUXDEPLOY_PLUGIN_MODE=1 "$LINUXDEPLOY" --appdir="$APPDIR" "${LIBRARIES[@]}"
# Create symbolic links as a workaround
# Details: https://github.com/linuxdeploy/linuxdeploy-plugin-gtk/issues/24#issuecomment-1030026529
echo "Manually setting rpath for GTK modules"
PATCH_ARRAY=(
"$gtk3_immodulesdir"
"$gtk3_printbackendsdir"
"$gdk_pixbuf_moduledir"
)
for directory in "${PATCH_ARRAY[@]}"; do
while IFS= read -r -d '' file; do
ln $verbose -s "${file/\/usr\/lib\//}" "$APPDIR/usr/lib"
done < <(find "$directory" -name '*.so' -print0)
done
# set write permission on lib64 again to make it deletable.
chmod +w "$APPDIR"/usr/lib64 || true
# We have to copy the files first to not get permission errors when we assign gio_extras_dir
find /usr/lib* -name libgiognutls.so -exec mkdir -p "$APPDIR"/"$(dirname '{}')" \; -exec cp --parents '{}' "$APPDIR/" \; || true
# related files that we seemingly don't need:
# libgiolibproxy.so - libgiognomeproxy.so - glib-pacrunner
gio_extras_dir=$(find "$APPDIR"/usr/lib* -name libgiognutls.so -exec dirname '{}' \; 2>/dev/null)
cat >> "$HOOKFILE" <<EOF
export GIO_EXTRA_MODULES="\$APPDIR/${gio_extras_dir#"$APPDIR"/}"
EOF
#binary patch absolute paths in libwebkit files
find "$APPDIR"/usr/lib* -name 'libwebkit*' -exec sed -i -e "s|/usr|././|g" '{}' \;