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saphidandClaude Opus 5.5
a045f5479f
Matching the APK path in command lines could hit an unrelated process, and the pgid file had a registration race. The launcher keeps the flock (not inherited by Lepton) and, holding it, stops only lepton-steamlaunch-<instance>, whose name is this app's alone. A Lepton host process may linger briefly. Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
77 lines
3.4 KiB
Bash
77 lines
3.4 KiB
Bash
#!/bin/bash
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# Frame-side: run one Android app in its own persistent Lepton instance.
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# Copied into ~/Applications/Android/<package>/launch.sh by the Mac-side
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# installer, next to app.apk, instance.id and (for 2D apps) the empty
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# lepton-show-flatscreen marker. A non-Steam shortcut points at this file.
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#
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# Why not Lepton Development: it wipes every app it installed when it exits.
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# A "steamlaunch" context (SteamAppId set) keeps app data in
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# compatdata/<id>/internal across restarts and APK updates. Pattern from
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# frame/t3code/launch.sh; see docs/apks.md.
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set -euo pipefail
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DIR="$(cd "$(dirname "$0")" && pwd)"
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LEPTON="$HOME/.local/share/Steam/steamapps/common/Lepton/lepton"
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[[ -x "$LEPTON" ]] || { echo "Lepton isn't installed (Steam app 3056000)" >&2; exit 1; }
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for need in "$DIR/app.apk" "$DIR/instance.id"; do
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[[ -f "$need" ]] || { echo "launch.sh: missing $need" >&2; exit 1; }
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done
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# A number that isn't a real Steam app; it names this app's Lepton context.
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export SteamAppId="$(cat "$DIR/instance.id")"
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[[ "$SteamAppId" =~ ^[0-9]+$ ]] || { echo "invalid instance.id" >&2; exit 1; }
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# Keep the stable Lepton context, but identify the Android VR client as its
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# actual Steam shortcut. Lepton applies LEPTON_ENV_* after its own passthrough.
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if [[ -f "$DIR/shortcut.id" ]]; then
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shortcut="$(cat "$DIR/shortcut.id")"
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[[ "$shortcut" =~ ^[0-9]+$ ]] || { echo "invalid shortcut.id" >&2; exit 1; }
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export LEPTON_ENV_SteamAppId="$shortcut"
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fi
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exec 9>"$DIR/launch.lock"
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flock -n 9 || { echo "Android app is already running" >&2; exit 1; }
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CONTAINER="lepton-steamlaunch-$SteamAppId"
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# Holding the lock means no launcher owns a running container: it was orphaned
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# (this script SIGKILLed), so stop it rather than refuse every later Play. The
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# name is this app's alone. A Lepton host process whose launcher was killed
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# before it made the container may linger briefly; nothing else is killed.
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if [[ "$(podman inspect --format '{{.State.Running}}' "$CONTAINER" 2>/dev/null || true)" == true ]]; then
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echo "Stopping orphaned $CONTAINER" >&2
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podman stop -t 5 "$CONTAINER" >/dev/null 2>&1 || true
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fi
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export STEAM_COMPAT_INSTALL_PATH="$DIR"
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# Must be under ~/.local/share/Steam: only that tree is mounted in the container.
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export STEAM_COMPAT_DATA_PATH="$HOME/.local/share/Steam/steamapps/compatdata/$SteamAppId"
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export STEAM_COMPAT_SHADER_PATH="$HOME/.local/share/Steam/steamapps/shadercache/$SteamAppId"
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export STEAM_FOSSILIZE_DUMP_PATH="$STEAM_COMPAT_SHADER_PATH/fozpipelinesv6/steamapp_pipeline_cache"
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mkdir -p "$STEAM_COMPAT_DATA_PATH" "$STEAM_FOSSILIZE_DUMP_PATH"
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# Lepton's setpgid --foreground re-exec needs a terminal that Steam shortcuts
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# and SSH don't have; give it its own session instead.
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export IS_PARENT=true
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# Keep this shell in Steam's process tree; setsid alone has no container cleanup.
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child=""
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cleanup() {
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trap '' TERM INT HUP
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if [[ -n "$child" ]]; then
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kill -TERM -- "-$child" 2>/dev/null || true
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kill -TERM "$child" 2>/dev/null || true
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fi
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podman stop -t 5 "$CONTAINER" >/dev/null 2>&1 || true
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if [[ -n "$child" ]]; then
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kill -KILL -- "-$child" 2>/dev/null || true
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kill -KILL "$child" 2>/dev/null || true
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wait "$child" 2>/dev/null || true
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fi
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}
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trap cleanup EXIT
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trap 'exit 143' TERM
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trap 'exit 130' INT
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trap 'exit 129' HUP
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# 9>&-: the lock is this launcher's alone; Lepton's tree mustn't keep it held.
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setsid --wait "$LEPTON" waitforexitandrun -- "$DIR/app.apk" 9>&- &
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child=$!
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rc=0
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wait "$child" || rc=$?
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child=""
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exit "$rc"
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