360 lines
12 KiB
Plaintext
360 lines
12 KiB
Plaintext
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#!/bin/bash
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#################
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# Launcher init #
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#################
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START=$(date +%s.%N)
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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 $?"
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done
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}
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# shellcheck source=/dev/null
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source "$SNAP_USER_DATA/.last_revision" 2>/dev/null || true
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if [ "$SNAP_DESKTOP_LAST_REVISION" = "$SNAP_REVISION" ]; 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 $UID | cut -d ':' -f 6)
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# Set config folder to local path
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export XDG_CONFIG_HOME="$SNAP_USER_DATA/.config"
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ensure_dir_exists "$XDG_CONFIG_HOME"
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chmod 700 "$XDG_CONFIG_HOME"
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# If the user has modified their user-dirs settings, force an update
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if [[ -f "$REALHOME/.config/user-dirs.dirs" ]]; then
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if [[ -f "$XDG_CONFIG_HOME/user-dirs.dirs.md5sum" ]]; then
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if [[ "$(md5sum < "$REALHOME/.config/user-dirs.dirs")" != "$(cat "$XDG_CONFIG_HOME/user-dirs.dirs.md5sum")" ||
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( -f "$XDG_CONFIG_HOME/user-dirs.locale.md5sum" &&
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"$(md5sum < "$REALHOME/.config/user-dirs.locale")" != "$(cat "$XDG_CONFIG_HOME/user-dirs.locale.md5sum")" ) ]]; then
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needs_update=true
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fi
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else
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# shellcheck disable=SC2034
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needs_update=true
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fi
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fi
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if [ "$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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elif [ "$SNAP_ARCH" = "ppc64el" ]; then
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ARCH="powerpc64le-linux-gnu"
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else
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ARCH="$SNAP_ARCH-linux-gnu"
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fi
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export SNAP_LAUNCHER_ARCH_TRIPLET="$ARCH"
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# Don't LD_PRELOAD bindtextdomain for classic snaps
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if ! grep -qs "^\s*confinement:\s*classic\s*" "$SNAP/meta/snap.yaml"; then
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if [ -f "$SNAP/gnome-platform/lib/$ARCH/bindtextdomain.so" ]; then
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export LD_PRELOAD="$LD_PRELOAD:$SNAP/gnome-platform/\$LIB/bindtextdomain.so"
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elif [ -f "$SNAP/lib/$ARCH/bindtextdomain.so" ]; then
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export LD_PRELOAD="$LD_PRELOAD:$SNAP/\$LIB/bindtextdomain.so"
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fi
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fi
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###############################################
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# Launcher common exports for any desktop app #
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###############################################
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# Note: We avoid using `eval` because we don't want to expand variable names
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# in paths. For example: LD_LIBRARY_PATH paths might contain `$LIB`.
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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 can_open_file() {
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[ -f "$1" ] && [ -r "$1" ]
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}
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function update_xdg_dirs_values() {
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local save_initial_values=false
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local XDG_DIRS="DOCUMENTS DESKTOP DOWNLOAD MUSIC PICTURES VIDEOS PUBLICSHARE TEMPLATES"
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unset XDG_SPECIAL_DIRS_PATHS
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if [ -f "${XDG_CONFIG_HOME:-$HOME/.config}/user-dirs.dirs" ]; then
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# shellcheck source=/dev/null
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source "${XDG_CONFIG_HOME:-$HOME/.config}/user-dirs.dirs"
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fi
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if [ -z ${XDG_SPECIAL_DIRS+x} ]; then
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save_initial_values=true
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fi
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for d in $XDG_DIRS; do
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var="XDG_${d}_DIR"
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value="${!var}"
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if [ "$save_initial_values" = true ]; then
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XDG_SPECIAL_DIRS+=("$var")
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XDG_SPECIAL_DIRS_INITIAL_PATHS+=("$value")
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fi
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XDG_SPECIAL_DIRS_PATHS+=("$value")
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done
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}
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function is_subpath() {
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dir="$(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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append_dir LD_LIBRARY_PATH "$SNAP_DESKTOP_RUNTIME/lib/$ARCH"
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append_dir LD_LIBRARY_PATH "$SNAP_DESKTOP_RUNTIME/usr/lib/$ARCH"
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append_dir LD_LIBRARY_PATH "$SNAP_DESKTOP_RUNTIME/usr/lib"
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append_dir LD_LIBRARY_PATH "$SNAP_DESKTOP_RUNTIME/lib"
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prepend_dir PATH "$SNAP_DESKTOP_RUNTIME/usr/bin"
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# XDG Config
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prepend_dir XDG_CONFIG_DIRS "$SNAP_DESKTOP_RUNTIME/etc/xdg"
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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_DESKTOP_RUNTIME/usr/share"
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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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export XDG_DATA_HOME="$SNAP_USER_DATA/.local/share"
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ensure_dir_exists "$XDG_DATA_HOME"
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# Workaround for GLib < 2.53.2 not searching for schemas in $XDG_DATA_HOME:
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# https://bugzilla.gnome.org/show_bug.cgi?id=741335
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prepend_dir XDG_DATA_DIRS "$XDG_DATA_HOME"
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# Set cache folder to local path
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export XDG_CACHE_HOME="$SNAP_USER_COMMON/.cache"
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if [[ -d "$SNAP_USER_DATA/.cache" && ! -e "$XDG_CACHE_HOME" ]]; 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" "$SNAP_USER_COMMON/"
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fi
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ensure_dir_exists "$XDG_CACHE_HOME"
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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 "$SNAP_DESKTOP_RUNTIME/usr/lib/locale"
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# If any, keep track of where XDG dirs were so we can potentially migrate the content later
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update_xdg_dirs_values
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# Setup user-dirs.* or run xdg-user-dirs-update if needed
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needs_xdg_update=false
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needs_xdg_reload=false
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needs_xdg_links=false
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if [ "$HOME" != "$SNAP_USER_DATA" ] && ! is_subpath "$XDG_CONFIG_HOME" "$HOME"; then
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for f in user-dirs.dirs user-dirs.locale; do
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if [ -f "$HOME/.config/$f" ]; then
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mv "$HOME/.config/$f" "$XDG_CONFIG_HOME"
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needs_xdg_reload=true
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fi
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done
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fi
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if can_open_file "$REALHOME/.config/user-dirs.dirs"; then
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# shellcheck disable=SC2154
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if [ "$needs_update" = true ] || [ "$needs_xdg_reload" = true ]; then
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sed "/^#/!s#\$HOME#${REALHOME}#g" "$REALHOME/.config/user-dirs.dirs" > "$XDG_CONFIG_HOME/user-dirs.dirs"
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md5sum < "$REALHOME/.config/user-dirs.dirs" > "$XDG_CONFIG_HOME/user-dirs.dirs.md5sum"
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# It's possible user-dirs.dirs exists when user-dirs.locale doesn't. This
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# simply means the user opted to never ask to translate their user dirs
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if can_open_file "$REALHOME/.config/user-dirs.locale"; then
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cp -a "$REALHOME/.config/user-dirs.locale" "$XDG_CONFIG_HOME"
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md5sum < "$REALHOME/.config/user-dirs.locale" > "$XDG_CONFIG_HOME/user-dirs.locale.md5sum"
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elif [ -f "$XDG_CONFIG_HOME/user-dirs.locale.md5sum" ]; then
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rm "$XDG_CONFIG_HOME/user-dirs.locale.md5sum"
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fi
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needs_xdg_reload=true
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fi
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else
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needs_xdg_update=true
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needs_xdg_links=true
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fi
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if [ $needs_xdg_reload = true ]; then
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update_xdg_dirs_values
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needs_xdg_reload=false
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fi
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# Check if we can actually read the contents of each xdg dir
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for ((i = 0; i < ${#XDG_SPECIAL_DIRS_PATHS[@]}; i++)); do
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if ! can_open_file "${XDG_SPECIAL_DIRS_PATHS[$i]}"; then
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needs_xdg_update=true
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needs_xdg_links=true
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break
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fi
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done
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# If needs XDG update and xdg-user-dirs-update exists in $PATH, run it
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if [ "$needs_xdg_update" = true ] && command -v xdg-user-dirs-update >/dev/null; then
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xdg-user-dirs-update
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update_xdg_dirs_values
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fi
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# Create links for user-dirs.dirs
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if [ "$needs_xdg_links" = true ]; then
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for ((i = 0; i < ${#XDG_SPECIAL_DIRS_PATHS[@]}; i++)); do
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b="$(realpath "${XDG_SPECIAL_DIRS_PATHS[$i]}" --relative-to="$HOME" 2>/dev/null)"
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if [[ -n "$b" && "$b" != "." && -e "$REALHOME/$b" ]]; then
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[ -d "$HOME/$b" ] && rmdir "$HOME/$b" 2> /dev/null
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[ ! -e "$HOME/$b" ] && ln -s "$REALHOME/$b" "$HOME/$b"
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fi
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done
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else
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# If we aren't creating new links, check if we have content saved in old locations and move it
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for ((i = 0; i < ${#XDG_SPECIAL_DIRS[@]}; i++)); do
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old="${XDG_SPECIAL_DIRS_INITIAL_PATHS[$i]}"
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new="${XDG_SPECIAL_DIRS_PATHS[$i]}"
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if [ -L "$old" ] && [ -d "$new" ] && [ "$(readlink "$old" 2>/dev/null)" != "$new" ] &&
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(is_subpath "$old" "$SNAP_USER_DATA" || is_subpath "$old" "$SNAP_USER_COMMON"); then
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mv -vn "$old"/* "$new"/ 2>/dev/null
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elif [ -d "$old" ] && [ -d "$new" ] && [ "$old" != "$new" ] &&
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(is_subpath "$old" "$SNAP_USER_DATA" || is_subpath "$old" "$SNAP_USER_COMMON"); then
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mv -vn "$old"/* "$new"/ 2>/dev/null
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fi
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done
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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 <<< "$XDG_DATA_DIRS"
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# Font Config and themes
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export FONTCONFIG_PATH="$SNAP_DESKTOP_RUNTIME/etc/fonts"
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export FONTCONFIG_FILE="$SNAP_DESKTOP_RUNTIME/etc/fonts/fonts.conf"
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function make_user_fontconfig {
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echo "<fontconfig>"
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if [ -d "$REALHOME/.local/share/fonts" ]; then
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echo " <dir>$REALHOME/.local/share/fonts</dir>"
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fi
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if [ -d "$REALHOME/.fonts" ]; then
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echo " <dir>$REALHOME/.fonts</dir>"
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fi
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for ((i = 0; i < ${#data_dirs_array[@]}; i++)); do
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if [ -d "${data_dirs_array[$i]}/fonts" ]; then
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echo " <dir>${data_dirs_array[$i]}/fonts</dir>"
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fi
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done
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# We need to include a user-writable cachedir first to support
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# caching of per-user fonts.
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echo ' <cachedir prefix="xdg">fontconfig</cachedir>'
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echo " <cachedir>$SNAP_COMMON/fontconfig</cachedir>"
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echo "</fontconfig>"
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}
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if [ "$needs_update" = true ]; then
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rm -rf "$XDG_DATA_HOME"/{fontconfig,fonts,fonts-*,themes,.themes}
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# This fontconfig fragment is installed in a location that is
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# included by the system fontconfig configuration: namely the
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# etc/fonts/conf.d/50-user.conf file.
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ensure_dir_exists "$XDG_CONFIG_HOME/fontconfig"
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async_exec make_user_fontconfig > "$XDG_CONFIG_HOME/fontconfig/fonts.conf"
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# the themes symlink are needed for GTK 3.18 when the prefix isn't changed
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# GTK 3.20 looks into XDG_DATA_DIRS which has connected themes.
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if [ -d "$SNAP/data-dir/themes" ]; then
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ln -sf "$SNAP/data-dir/themes" "$XDG_DATA_HOME"
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ln -sfn "$SNAP/data-dir/themes" "$SNAP_USER_DATA/.themes"
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elif [ -d "$SNAP_DESKTOP_RUNTIME/usr/share/themes" ]; then
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ln -sf "$SNAP_DESKTOP_RUNTIME/usr/share/themes" "$XDG_DATA_HOME"
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ln -sfn "$SNAP_DESKTOP_RUNTIME/usr/share/themes" "$SNAP_USER_DATA/.themes"
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fi
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fi
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# Testability support
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append_dir LD_LIBRARY_PATH "$SNAP/testability"
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append_dir LD_LIBRARY_PATH "$SNAP/testability/$ARCH"
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append_dir LD_LIBRARY_PATH "$SNAP/testability/$ARCH/mesa"
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[ "$needs_update" = true ] && echo "SNAP_DESKTOP_LAST_REVISION=$SNAP_REVISION" > "$SNAP_USER_DATA/.last_revision"
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wait_for_async_execs
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if [ -n "$SNAP_DESKTOP_DEBUG" ]; then
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echo "desktop-launch elapsed time: $(date +%s.%N --date="$START seconds ago")"
|
||
|
|
echo "Now running: exec $*"
|
||
|
|
fi
|
||
|
|
|
||
|
|
PATH="${SNAP}/usr/sbin:${SNAP}/usr/bin:${SNAP}/sbin:${SNAP}/bin"
|
||
|
|
PATH="${PATH}:${SNAP_CORE_DIR}/usr/sbin:${SNAP_CORE_DIR}/usr/bin:${SNAP_CORE_DIR}/sbin:${SNAP_CORE_DIR}/bin"
|
||
|
|
|
||
|
|
# configure python environment
|
||
|
|
export PYTHONIOENCODING=utf-8
|
||
|
|
PYTHONPATH=$SNAP/lib/python3.8/site-packages
|
||
|
|
PYTHONPATH=$SNAP/usr/lib/python3/site-packages:$PYTHONPATH
|
||
|
|
PYTHONPATH=$SNAP/usr/lib/python3/dist-packages:$PYTHONPATH
|
||
|
|
export PYTHONPATH
|
||
|
|
export PYTHON=$SNAP/usr/bin/python3.8
|
||
|
|
export SNAP_PYTHON=$PYTHON
|
||
|
|
# ensure curtin points at PYTHON
|
||
|
|
export PY3OR2_PYTHON=$PYTHON
|
||
|
|
# base directory for subiquity to locate resources
|
||
|
|
export SUBIQUITY_ROOT=$SNAP
|
||
|
|
|
||
|
|
BIN="$PYTHON -m system_setup.cmd.server"
|
||
|
|
args=""
|
||
|
|
for arg in $@; do
|
||
|
|
if [ ${arg} = "--server-only" ]; then
|
||
|
|
# Just eat that argument. It's useful for the GUI context only,
|
||
|
|
# since here the server only startup option is the default.
|
||
|
|
continue
|
||
|
|
fi
|
||
|
|
if [ ${arg} = "-t" -o ${arg} = "--text" ]; then
|
||
|
|
BIN="$PYTHON -m system_setup.cmd.tui"
|
||
|
|
continue
|
||
|
|
fi
|
||
|
|
args="$args $arg"
|
||
|
|
done
|
||
|
|
|
||
|
|
exec $BIN $args
|