265 lines
8.6 KiB
Bash
Executable File
265 lines
8.6 KiB
Bash
Executable File
#!/usr/bin/env bash
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# On Fedora $SNAP is under /var and there is some magic to map it to /snap.
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# We need to handle that case and reset $SNAP
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SNAP=$(echo "$SNAP" | sed -e "s|/var/lib/snapd||g")
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#
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# Exports are based on https://github.com/snapcore/snapcraft/blob/master/extensions/desktop/common/desktop-exports
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#
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# ensure_dir_exists calls `mkdir -p` if the given path is not a directory.
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# This speeds up execution time by avoiding unnecessary calls to mkdir.
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#
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# Usage: ensure_dir_exists <path> [<mkdir-options>]...
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#
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function ensure_dir_exists() {
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[ -d "$1" ] || mkdir -p "$@"
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}
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declare -A PIDS
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function async_exec() {
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"$@" &
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PIDS[$!]=$*
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}
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function wait_for_async_execs() {
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for pid in "${!PIDS[@]}"
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do
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wait "$pid" && continue || echo "ERROR: ${PIDS[$pid]} exited abnormally with status $?"
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done
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}
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function prepend_dir() {
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local -n var="$1"
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local dir="$2"
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# We can't check if the dir exists when the dir contains variables
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if [[ "$dir" == *"\$"* || -d "$dir" ]]; then
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export "${!var}=${dir}${var:+:$var}"
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fi
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}
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function append_dir() {
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local -n var="$1"
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local dir="$2"
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# We can't check if the dir exists when the dir contains variables
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if [[ "$dir" == *"\$"* || -d "$dir" ]]; then
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export "${!var}=${var:+$var:}${dir}"
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fi
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}
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function copy_env_variable() {
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local -n var="$1"
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if [[ "+$var" ]]; then
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export "${!var}_VSCODE_SNAP_ORIG=${var}"
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else
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export "${!var}_VSCODE_SNAP_ORIG=''"
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fi
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}
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# shellcheck source=/dev/null
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source "$SNAP_USER_DATA/.last_revision" 2>/dev/null || true
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if [ "$SNAP_DESKTOP_LAST_REVISION" = "$SNAP_VERSION" ]; then
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needs_update=false
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else
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needs_update=true
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fi
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# Set $REALHOME to the users real home directory
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REALHOME=$(getent passwd $UID | cut -d ':' -f 6)
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# Set config folder to local path
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ensure_dir_exists "$SNAP_USER_DATA/.config"
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chmod 700 "$SNAP_USER_DATA/.config"
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if [ "$SNAP_ARCH" == "amd64" ]; then
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ARCH="x86_64-linux-gnu"
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elif [ "$SNAP_ARCH" == "armhf" ]; then
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ARCH="arm-linux-gnueabihf"
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elif [ "$SNAP_ARCH" == "arm64" ]; then
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ARCH="aarch64-linux-gnu"
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else
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ARCH="$SNAP_ARCH-linux-gnu"
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fi
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export SNAP_LAUNCHER_ARCH_TRIPLET="$ARCH"
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function is_subpath() {
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dir="$(realpath "$1")"
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parent="$(realpath "$2")"
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[ "${dir##"${parent}"/}" != "${dir}" ] && return 0 || return 1
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}
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function can_open_file() {
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[ -f "$1" ] && [ -r "$1" ]
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}
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# Preserve system variables that get modified below
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copy_env_variable XDG_CONFIG_DIRS
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copy_env_variable XDG_DATA_DIRS
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copy_env_variable LOCPATH
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copy_env_variable GIO_MODULE_DIR
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copy_env_variable GSETTINGS_SCHEMA_DIR
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copy_env_variable GDK_PIXBUF_MODULE_FILE
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copy_env_variable GDK_PIXBUF_MODULEDIR
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copy_env_variable GDK_BACKEND
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copy_env_variable GTK_PATH
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copy_env_variable GTK_EXE_PREFIX
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copy_env_variable GTK_IM_MODULE_FILE
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# XDG Config
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prepend_dir XDG_CONFIG_DIRS "$SNAP/etc/xdg"
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# Define snaps' own data dir
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prepend_dir XDG_DATA_DIRS "$SNAP/usr/share"
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prepend_dir XDG_DATA_DIRS "$SNAP/share"
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prepend_dir XDG_DATA_DIRS "$SNAP/data-dir"
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prepend_dir XDG_DATA_DIRS "$SNAP_USER_DATA"
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# Set XDG_DATA_HOME to local path
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ensure_dir_exists "$SNAP_USER_DATA/.local/share"
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# Workaround for GLib < 2.53.2 not searching for schemas in $XDG_DATA_HOME:
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# https://bugzilla.gnome.org/show_bug.cgi?id=741335
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prepend_dir XDG_DATA_DIRS "$SNAP_USER_DATA/.local/share"
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# Set cache folder to local path
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if [[ -d "$SNAP_USER_DATA/.cache" && ! -e "$SNAP_USER_COMMON/.cache" ]]; then
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# the .cache directory used to be stored under $SNAP_USER_DATA, migrate it
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mv "$SNAP_USER_DATA/.cache" "$SNAP_USER_COMMON/"
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fi
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ensure_dir_exists "$SNAP_USER_COMMON/.cache"
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# Create $XDG_RUNTIME_DIR if not exists (to be removed when LP: #1656340 is fixed)
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# shellcheck disable=SC2174
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ensure_dir_exists "$XDG_RUNTIME_DIR" -m 700
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# Ensure the app finds locale definitions (requires locales-all to be installed)
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append_dir LOCPATH "$SNAP/usr/lib/locale"
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# If detect wayland server socket, then set environment so applications prefer
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# wayland, and setup compat symlink (until we use user mounts. Remember,
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# XDG_RUNTIME_DIR is /run/user/<uid>/snap.$SNAP so look in the parent directory
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# for the socket. For details:
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# https://forum.snapcraft.io/t/wayland-dconf-and-xdg-runtime-dir/186/10
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# Applications that don't support wayland natively may define DISABLE_WAYLAND
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# (to any non-empty value) to skip that logic entirely.
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wayland_available=false
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if [[ -n "$XDG_RUNTIME_DIR" && -z "$DISABLE_WAYLAND" ]]; then
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wdisplay="wayland-0"
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if [ -n "$WAYLAND_DISPLAY" ]; then
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wdisplay="$WAYLAND_DISPLAY"
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fi
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wayland_sockpath="$XDG_RUNTIME_DIR/../$wdisplay"
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wayland_snappath="$XDG_RUNTIME_DIR/$wdisplay"
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if [ -S "$wayland_sockpath" ]; then
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# if running under wayland, use it
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#export WAYLAND_DEBUG=1
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# shellcheck disable=SC2034
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wayland_available=true
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# create the compat symlink for now
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if [ ! -e "$wayland_snappath" ]; then
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ln -s "$wayland_sockpath" "$wayland_snappath"
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fi
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fi
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fi
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# Keep an array of data dirs, for looping through them
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IFS=':' read -r -a data_dirs_array <<< "$XDG_DATA_DIRS"
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# Build mime.cache
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# needed for gtk and qt icon
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if [ "$needs_update" = true ]; then
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rm -rf "$SNAP_USER_DATA/.local/share/mime"
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if [ ! -f "$SNAP/usr/share/mime/mime.cache" ]; then
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if command -v update-mime-database >/dev/null; then
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cp --preserve=timestamps -dR "$SNAP/usr/share/mime" "$SNAP_USER_DATA/.local/share"
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async_exec update-mime-database "$SNAP_USER_DATA/.local/share/mime"
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fi
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fi
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fi
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# Gio modules and cache (including gsettings module)
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export GIO_MODULE_DIR="$SNAP_USER_COMMON/.cache/gio-modules"
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function compile_giomodules {
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if [ -f "$1/glib-2.0/gio-querymodules" ]; then
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rm -rf "$GIO_MODULE_DIR"
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ensure_dir_exists "$GIO_MODULE_DIR"
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ln -s "$SNAP"/usr/lib/"$ARCH"/gio/modules/*.so "$GIO_MODULE_DIR"
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"$1/glib-2.0/gio-querymodules" "$GIO_MODULE_DIR"
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fi
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}
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if [ "$needs_update" = true ]; then
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async_exec compile_giomodules "/snap/core20/current/usr/lib/$ARCH"
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fi
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# Setup compiled gsettings schema
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export GSETTINGS_SCHEMA_DIR="$SNAP_USER_DATA/.local/share/glib-2.0/schemas"
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function compile_schemas {
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if [ -f "$1" ]; then
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rm -rf "$GSETTINGS_SCHEMA_DIR"
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ensure_dir_exists "$GSETTINGS_SCHEMA_DIR"
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for ((i = 0; i < ${#data_dirs_array[@]}; i++)); do
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schema_dir="${data_dirs_array[$i]}/glib-2.0/schemas"
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if [ -f "$schema_dir/gschemas.compiled" ]; then
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# This directory already has compiled schemas
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continue
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fi
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if [ -n "$(ls -A "$schema_dir"/*.xml 2>/dev/null)" ]; then
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ln -s "$schema_dir"/*.xml "$GSETTINGS_SCHEMA_DIR"
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fi
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if [ -n "$(ls -A "$schema_dir"/*.override 2>/dev/null)" ]; then
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ln -s "$schema_dir"/*.override "$GSETTINGS_SCHEMA_DIR"
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fi
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done
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# Only compile schemas if we copied anything
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if [ -n "$(ls -A "$GSETTINGS_SCHEMA_DIR"/*.xml "$GSETTINGS_SCHEMA_DIR"/*.override 2>/dev/null)" ]; then
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"$1" "$GSETTINGS_SCHEMA_DIR"
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fi
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fi
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}
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if [ "$needs_update" = true ]; then
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async_exec compile_schemas "/snap/core20/current/usr/lib/$ARCH/glib-2.0/glib-compile-schemas"
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fi
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# Gdk-pixbuf loaders
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export GDK_PIXBUF_MODULE_FILE="$SNAP_USER_COMMON/.cache/gdk-pixbuf-loaders.cache"
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export GDK_PIXBUF_MODULEDIR="$SNAP/usr/lib/$ARCH/gdk-pixbuf-2.0/2.10.0/loaders"
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if [ "$needs_update" = true ] || [ ! -f "$GDK_PIXBUF_MODULE_FILE" ]; then
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rm -f "$GDK_PIXBUF_MODULE_FILE"
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if [ -f "$SNAP/usr/lib/$ARCH/gdk-pixbuf-2.0/gdk-pixbuf-query-loaders" ]; then
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async_exec "$SNAP/usr/lib/$ARCH/gdk-pixbuf-2.0/gdk-pixbuf-query-loaders" > "$GDK_PIXBUF_MODULE_FILE"
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fi
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fi
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# shellcheck disable=SC2154
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if [ "$wayland_available" = true ]; then
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export GDK_BACKEND="wayland"
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fi
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append_dir GTK_PATH "$SNAP/usr/lib/$ARCH/gtk-3.0"
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append_dir GTK_PATH "$SNAP/usr/lib/gtk-3.0"
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# We don't have gtk libraries in this path but
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# enforcing this environment variable will disallow
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# gtk binaries like `gtk-query-immodules` to not search
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# in system default library paths.
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# Based on https://gitlab.gnome.org/GNOME/gtk/-/blob/main/gtk/gtkmodules.c#L104-136
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export GTK_EXE_PREFIX="$SNAP/usr"
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# ibus and fcitx integration
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GTK_IM_MODULE_DIR="$SNAP_USER_COMMON/.cache/immodules"
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export GTK_IM_MODULE_FILE="$GTK_IM_MODULE_DIR/immodules.cache"
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# shellcheck disable=SC2154
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if [ "$needs_update" = true ]; then
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rm -rf "$GTK_IM_MODULE_DIR"
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ensure_dir_exists "$GTK_IM_MODULE_DIR"
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ln -s "$SNAP"/usr/lib/"$ARCH"/gtk-3.0/3.0.0/immodules/*.so "$GTK_IM_MODULE_DIR"
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async_exec "$SNAP/usr/lib/$ARCH/libgtk-3-0/gtk-query-immodules-3.0" > "$GTK_IM_MODULE_FILE"
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fi
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# shellcheck disable=SC2154
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[ "$needs_update" = true ] && echo "SNAP_DESKTOP_LAST_REVISION=$SNAP_VERSION" > "$SNAP_USER_DATA/.last_revision"
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wait_for_async_execs
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exec "$@"
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