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emu: Stop silent early exits in the emulator start script

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The script's set -euo pipefail made it die without any visible error in
two places: an empty /tmp/jtube-adbkeys/ failed the glob cat (the error
itself was discarded, so the output just stopped mid-script — this hits
any host after a reboot), and the boot-wait loop was killed on its first
iteration because adb exits non-zero while the device is still booting.
Both were swallowing the whole && chain (adb connect, scrcpy), making it
look like the emulator was broken when it was fine or about to be.

The stale bridge-emulator.sh duplicate (different port, broken vendor
keys path) is removed in the same spirit — keeping it invites running
the wrong script. Docs updated to match the one script.
This commit is contained in:
Jeena 2026-10-13 08:14:15 +09:00
parent c19024355c
commit a71de07969
3 changed files with 22 additions and 49 deletions
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42
scripts/bridge-emulator.sh
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@ -1,42 +0,0 @@
#!/usr/bin/env bash
#
# bridge-emulator.sh — (host-side) expose the emulator's adbd to the LAN so agents
# inside the container/other machines can use it: binds :5557 -> 127.0.0.1:5601.
# The emulator console transport (emulator-5600) stays local-only; this bridges the
# adbd TCP port 5601.
set -euo pipefail
ADBD_PORT=5601
BRIDGE_PORT=5557
# start emulator if not running
ADB="${ANDROID_SDK_ROOT:-$HOME/Android/Sdk}/platform-tools/adb"
if ! "$ADB" devices | grep -q "emulator-5600.*device"; then
echo "emulator-5600 not running — starting it…"
ADB_VENDOR_KEYS="$HOME/.android/adbkey" setsid nohup \
"${ANDROID_SDK_ROOT:-$HOME/Android/Sdk}/emulator/emulator" -avd jtubesc -port 5600 \
-no-window -gpu swiftshader_indirect -no-snapshot -no-audio -no-boot-anim \
> /tmp/jtube-emu.log 2>&1 < /dev/null &
echo "waiting for boot (log: /tmp/jtube-emu.log)…"
for i in $(seq 1 60); do
ok=$("$ADB" -s emulator-5600 shell getprop sys.boot_completed 2>/dev/null | tr -d '\r')
[ "$ok" = "1" ] && { echo "BOOTED"; break; }
sleep 5
done
fi
# keep JTube TV installed + running
APK="$HOME/Projects/jtube-tv/app/build/outputs/apk/debug/app-debug.apk"
if [ -f "$APK" ]; then
"$ADB" -s emulator-5600 install -r "$APK" >/dev/null && echo "JTube TV installed"
"$ADB" -s emulator-5600 shell am start -n net.jeena.jtubetv/.MainActivity && echo "app started"
fi
# the bridge (bind all LAN addresses)
if ! ss -tln 2>/dev/null | grep -q ":$BRIDGE_PORT"; then
setsid nohup socat TCP-LISTEN:$BRIDGE_PORT,bind=0.0.0.0,fork,reuseaddr \
TCP:127.0.0.1:$ADBD_PORT > /tmp/jtube-bridge.log 2>&1 < /dev/null &
echo "bridge: :$BRIDGE_PORT -> 127.0.0.1:$ADBD_PORT (pid $!)"
fi
echo "From this host: adb connect localhost:$BRIDGE_PORT"
echo "From other machines: adb connect rutherford:$BRIDGE_PORT"