create-mekanism-modular/tools/redeploy.sh

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#!/usr/bin/env bash
# Build, swap the jar under a stopped instance, relaunch, wait for the title screen.
#
# The jar is NOT hot-swappable: NeoForge holds every mod jar open for the whole
# session, so overwriting it in place under a running game leaves the archive
# valid on disk but invalid to the running JVM. The symptom is silent -
# "could not find module cmmodular:armor/socket/arm_left substituting with
# empty module" - and every part built on it vanishes off the wearer. Hence the
# kill/copy/relaunch, every time, with no shortcut.
set -uo pipefail
REPO=/home/themiro/code.dev/create-mekanism-modular
INST=/home/themiro/.var/app/org.prismlauncher.PrismLauncher/data/PrismLauncher/instances/Abdelpak-Delta-testing/minecraft
JAR=cmmodular-1.4.0.jar
cd "$REPO" || exit 1
# `gradlew build` fails on this toolchain: the :test task cannot be created
# ("Type T not present"). `jar` is the only target we need anyway.
./gradlew jar -q --console=plain 2>&1 | grep -vi 'warning\|restricted'
[ -f "build/libs/$JAR" ] || { echo "build produced no jar"; exit 1; }
pid=$(for p in $(pgrep -x java 2>/dev/null); do
tr '\0' ' ' < /proc/$p/cmdline 2>/dev/null \
| grep -q 'PrismLauncher/instances/Abdelpak-Delta-testing' && echo "$p"; done | head -1)
if [ -n "$pid" ]; then
kill "$pid"
for _ in $(seq 1 40); do kill -0 "$pid" 2>/dev/null || break; sleep 0.5; done
kill -0 "$pid" 2>/dev/null && kill -9 "$pid"
sleep 2
fi
cp "build/libs/$JAR" "$INST/mods/$JAR" || exit 1
unzip -t "$INST/mods/$JAR" >/dev/null || { echo "deployed jar is corrupt"; exit 1; }
: > "$INST/logs/latest.log" 2>/dev/null
cd /tmp && setsid flatpak run org.prismlauncher.PrismLauncher \
--launch Abdelpak-Delta-testing >/dev/null 2>&1 < /dev/null &
for _ in $(seq 1 120); do
grep -qi 'Sound engine started\|OpenAL initialized' "$INST/logs/latest.log" 2>/dev/null && {
echo "ready (title screen)"
grep -i 'could not find module\|substituting with empty' "$INST/logs/latest.log" | tail -5
exit 0; }
sleep 5
done
echo "timed out waiting for the title screen"