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https://github.com/lucannez64/darling-lol.git
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3AvisD
c12ab84559
A launcher can exit while its long-lived close/hide helper remains. The next run then starts another watcher, so several copies watch the same prefix. Add an opt-in RCLOL_CLEAN_STALE_HELPERS=1 preflight that removes only helper processes of this prefix reparented to init/systemd. Helpers of a live launcher, other prefixes, the game, Riot/League/CEF, darlingserver and the runtime are preserved. Unreadable or relative process data leaves a process alone. Validated across repeated launcher starts: the cleanup removed four, then one, then one orphaned watcher; a subsequent dry run reported no orphaned helpers. Zombie reaping after partial recovery is tracked separately in #124.
152 lines
8.9 KiB
Bash
Executable File
152 lines
8.9 KiB
Bash
Executable File
#!/bin/sh
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# Launch Riot Client using the Darling runtime, without library injection.
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# Darling supplies Xlib Display pointers to EGL, so select X11 explicitly.
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set -eu
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# Native guest crashes created large system core files and exhausted this disk.
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# Address-only diagnostics suffice; bound this runner and its new namespace.
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if [ "${RCLOL_CORE_DUMPS:-0}" != 1 ]; then
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ulimit -c 0
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fi
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runner_dir=$(CDPATH= cd -- "$(dirname -- "$0")" && pwd)
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. "$runner_dir/runtime-paths.sh"
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# Opt-in partial recovery: if Darling is alive but a previous client tree is
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# windowless, stop only that client/CEF tree and reuse the runtime. Never
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# touches the game, darlingserver or the runtime sockets.
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if [ "${RCLOL_RECOVER_STALE_CLIENT:-0}" = 1 ]; then
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python3 "$runner_dir/recover-stale-client.py"
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fi
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if [ "${RCLOL_RECOVER_HIDDEN_CLIENT:-0}" = 1 ]; then
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python3 "$runner_dir/recover-hidden-riot-client.py"
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fi
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# Opt-in cleanup of helpers left by an earlier launcher. This runs before the
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# current helper is started. It removes only helpers of this prefix whose
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# parent is init/systemd, so a helper of a live launcher is not touched.
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if [ "${RCLOL_CLEAN_STALE_HELPERS:-0}" = 1 ]; then
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python3 "$runner_dir/clean-stale-helpers.py" --prefix "$prefix_dir" ||
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echo 'clean-stale-helpers: cleanup failed; continuing' >&2
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fi
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# Opt-in: close the League client UI while a match runs. It keeps the CPU for the game
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# and leaves the client the backend starts when the match ends as the only CEF instance;
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# a second instance on the same profile never paints its window, which is the black
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# window seen with Riot's own "Close client during game" option. Off by default.
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if [ "${RCLOL_CLOSE_CLIENT_IN_GAME:-0}" = 1 ]; then
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python3 "$runner_dir/close-league-client-in-game.py" --detach &
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fi
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# The bundled downloader rejects IPv6 CONNECT_TO addresses. Only Riot CDN
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# AAAA lookups are suppressed; set this to 0 to retain the upstream resolver.
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export RCLOL_CDN_IPV4_ONLY="${RCLOL_CDN_IPV4_ONLY:-1}"
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python3 "$runner_dir/ensure-darling-runtime.py"
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python3 "$runner_dir/ensure-darling-service-accounts.py"
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python3 "$runner_dir/ensure-league-runtime-layout.py"
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# Security's system trust domain (SecTrustSettingsCopyCertificates) needs a root keychain and
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# trust record built from the host CA bundle. Only a changed bundle starts Darling; a failure
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# is reported but does not stop the launch.
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python3 "$runner_dir/ensure-darling-root-certificates.py" ||
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echo 'Continuing without a Darling system root store; TLS clients may report untrusted roots' >&2
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# Discard argument-rewriting settings from the former injected shim.
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unset RCLOL_APP_ARGS RCLOL_APP_ARGS_SLOT RCLOL_APP_ARG2 RCLOL_APP_ARG2_SLOT
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unset RCLOL_APP_ARG3 RCLOL_APP_ARG3_SLOT RCLOL_UX_ARG1 RCLOL_UX_ARG1_SLOT
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unset RCLOL_UX_ARG2 RCLOL_UX_ARG2_SLOT
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# The paired runtime presents completed GPU textures without CPU readback.
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# Explicit 0 or an empty value selects the CPU fallback for diagnostics.
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# DARLING_METAL_MAC_GPU_NAME reports the MacBookPro16,1 GPU of the host vendor (AMD or Intel) as
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# MTLDevice.name, matching the model IOKit reports; memory figures stay the host's.
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for option in RCLOL_GPU_DIRECT_PRESENT RCLOL_GPU_DIRECT_ASYNC RCLOL_GPU_DIRECT_VSYNC DARLING_CA_PRESENT_AT_COMMIT DARLING_CA_SKIP_LOCAL_IOSURFACE_RENDER RCLOL_FORWARD_MOUSE_MOVED RCLOL_MOUSE_CONFINEMENT DARLING_METAL_MAC_GPU_NAME; do
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eval 'value=${'"$option"'-1}'
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case "$value" in 0|'') unset "$option";; *) export "$option=$value";; esac
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done
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prefix=$prefix_dir
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# RIOT_GUEST_HOME is host-side; DYLD paths must be relative to the guest root.
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case "$guest_home" in
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"$prefix"/*) guest_path=/${guest_home#"$prefix"/} ;;
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*) echo "RIOT_GUEST_HOME must be inside DPREFIX" >&2; exit 1 ;;
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esac
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# The first-time installer puts the client in /Users/Shared/Riot Games and then
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# hands off through LaunchServices, which does not start it under Darling. Link
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# the installed client where the normal launch expects it.
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client="$prefix/Applications/Riot Client.app"
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shared="$prefix/Users/Shared/Riot Games/Riot Client.app"
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if [ -z "${RIOT_LAUNCHER_HOST:-}" ] && [ ! -e "$client" ]; then
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if [ ! -d "$shared" ]; then
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echo "Riot Client is not installed in $prefix; run scripts/installer.sh first" >&2
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exit 1
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fi
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if [ -L "$client" ]; then
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# An absolute link (/Users/Shared/...) resolves only inside the guest; the
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# guest still uses it for --app-root, but start the client by its real path.
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client=$shared
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else
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ln -s "../Users/Shared/Riot Games/Riot Client.app" "$client"
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fi
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fi
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A=${RIOT_LAUNCHER_HOST:-"$client/Contents/MacOS/RiotClientServices"}
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# External XIM (for example Fcitx) consumes keys before Darling forwards them.
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# Use Xlib's local input method; allow explicit testing of another modifier.
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# Linux C.UTF-8 is not a supported codecvt locale in the macOS client.
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# Keep this scoped to the guest; product region/locale arguments remain explicit.
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# The first-time installer (RIOT_LAUNCHER_HOST) exits immediately when given --app-root for a
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# Riot Client that is not installed yet; only pass it for the installed client.
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# Its native intro screen renders image layers with a blue cover and does not take clicks
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# under Darling, so start the install directly (the Riot Client UI that follows works).
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if [ -n "${RIOT_LAUNCHER_HOST:-}" ]; then
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set -- --skip-to-install --launch-product=league_of_legends --launch-patchline=live
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else
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set -- --app-root="/Applications/Riot Client.app"
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# The League login theme (video background, Install/Play button) is only shown when the client
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# is started for a product. RCLOL_LAUNCH_PRODUCT= (empty) starts the bare client instead.
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if [ -n "${RCLOL_LAUNCH_PRODUCT-league_of_legends}" ]; then
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set -- "$@" --launch-product="${RCLOL_LAUNCH_PRODUCT-league_of_legends}" \
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--launch-patchline="${RCLOL_LAUNCH_PATCHLINE-live}"
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fi
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fi
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# --- darling-lol perf: scheduling & driver latency hints ---
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# Refresh rate for display link, async presenter, and frame pacing: the primary monitor's
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# current mode (the first monitor without a primary); unset falls back to 60 Hz.
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if [ -z "${RCLOL_REFRESH_HZ-}" ] && command -v xrandr >/dev/null 2>&1; then
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RCLOL_REFRESH_HZ=$(xrandr --current 2>/dev/null | awk '
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/ connected/ { primary = / primary / }
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/\*/ { for (i = 2; i <= NF; i++) if ($i ~ /\*/) { rate = $i; sub(/[*+]+/, "", rate)
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if (primary) { print int(rate + 0.5); found = 1; exit } else if (first == "") first = int(rate + 0.5) } }
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END { if (!found && first != "") print first }')
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fi
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if [ -n "${RCLOL_REFRESH_HZ-}" ]; then export RCLOL_REFRESH_HZ; fi
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# Vulkan WSI & Mesa optimizations
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export MESA_NO_ERROR="${MESA_NO_ERROR:-1}"
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# Mesa resolves its shader disk cache below $HOME, which inside the guest is
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# /Users/<user>: that path does not exist on the host filesystem, so every process logs
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# "Failed to create /Users for shader cache (Permission denied)---disabling" and
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# recompiles every shader on start (212 such lines in one launcher log). The host Mesa
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# loaded into the guest reads MESA_SHADER_CACHE_DIR verbatim, so point it at a host
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# directory; Mesa creates mesa_shader_cache/ and radv_builtin_shaders/ below it.
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cache_root=${XDG_CACHE_HOME:-${HOME:-$prefix_dir}/.cache}/darling-lol
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MESA_SHADER_CACHE_DIR="${MESA_SHADER_CACHE_DIR:=$cache_root}"
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export MESA_SHADER_CACHE_DIR
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mkdir -p "$MESA_SHADER_CACHE_DIR" 2>/dev/null || true
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# NVIDIA proprietary driver: limit pre-rendered frames.
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export __GL_MaxFramesAllowed="${__GL_MaxFramesAllowed:-1}"
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# Threaded optimizations stay off: with them, NVIDIA 580 (the last branch for
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# Pascal GPUs) with egl-x11 1.0.6 rejects the X11 EGLDisplay with EGL_BAD_DISPLAY
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# on every thread that has a context current, and the game window stays black.
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export __GL_THREADED_OPTIMIZATIONS="${__GL_THREADED_OPTIMIZATIONS:-0}"
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export __GL_YIELD="${__GL_YIELD:-NOTHING}"
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# Reduce timer slack for tighter scheduling in the game process tree.
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if [ -w /proc/self/timerslack_ns ]; then
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echo 1 > /proc/self/timerslack_ns 2>/dev/null || true
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fi
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# On affected setups Chromium's default temp directory is unusable. Electron
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# can copy app.asar entries to temporary files for async reads and report a
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# failed copy as "not found". Use a writable guest directory by default.
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# exec-guest.py closes host file descriptors above stderr before starting the guest. A shell
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# loop cannot: dash only accepts single-digit descriptors in redirections.
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exec python3 "$runner_dir/exec-guest.py" env -u ELECTRON_RUN_AS_NODE -u DYLD_INSERT_LIBRARIES EGL_PLATFORM=x11 \
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MAC_CHROMIUM_TMPDIR="${MAC_CHROMIUM_TMPDIR:-/private/tmp}" \
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LANG="${RCLOL_GUEST_LOCALE:-en_US.UTF-8}" LC_ALL="${RCLOL_GUEST_LOCALE:-en_US.UTF-8}" \
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mesa_glthread="${RCLOL_MESA_GLTHREAD-${mesa_glthread-false}}" \
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XMODIFIERS="${RCLOL_XMODIFIERS:-@im=none}" DISPLAY="${DISPLAY:-:1}" \
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DYLD_LIBRARY_PATH="${DYLD_LIBRARY_PATH:-$guest_path/RuntimeLibraries}" \
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DYLD_FRAMEWORK_PATH="${DYLD_FRAMEWORK_PATH:-$guest_path/RuntimeFrameworks}" \
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DARLING_XSHM_LIBRARY="${DARLING_XSHM_LIBRARY:-$guest_path/libDarlingXShm.dylib}" \
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darling "$A" --region="${RCLOL_REGION:-EUW}" --locale="${RCLOL_LOCALE:-en_GB}" \
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"$@" \
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--log-dir="$guest_path/Library/Logs/Riot Games/Riot Client"
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