feat: add fnOS packaging, storage workflows and release pipeline

fnos/cmd/config_callback

@@ -0,0 +1,2 @@
+#!/bin/bash
+exit 0

fnos/cmd/config_init

@@ -0,0 +1,2 @@
+#!/bin/bash
+exit 0

fnos/cmd/install_callback

@@ -0,0 +1,2 @@
+#!/bin/bash
+exit 0

fnos/cmd/install_init

@@ -0,0 +1,2 @@
+#!/bin/bash
+exit 0

fnos/cmd/main

@@ -0,0 +1,75 @@
+#!/bin/bash
+set -u
+
+LOG_FILE="${TRIM_PKGVAR}/info.log"
+PID_FILE="${TRIM_PKGVAR}/app.pid"
+CMD="${TRIM_APPDEST}/server/dy.net"
+DATA_ROOT="${TRIM_APPDEST_VOL}/@appshare/dy.net"
+
+log_msg() {
+    printf '%s - %s\n' "$(date '+%Y-%m-%d %H:%M:%S')" "$1" >> "${LOG_FILE}"
+}
+
+running_pid() {
+    if [ -f "${PID_FILE}" ]; then
+        pid=$(head -n 1 "${PID_FILE}" | tr -d '[:space:]')
+        if [ -n "${pid}" ] && kill -0 "${pid}" 2>/dev/null; then
+            printf '%s' "${pid}"
+            return 0
+        fi
+    fi
+    return 1
+}
+
+start_process() {
+    if [ ! -x "${CMD}" ]; then
+        log_msg "程序不存在或不可执行：${CMD}"
+        exit 1
+    fi
+    mkdir -p "${TRIM_PKGVAR}" "${TRIM_PKGVAR}/.net-bundle" "${DATA_ROOT}"
+    if pid=$(running_pid); then
+        log_msg "程序已运行，PID ${pid}"
+        return 0
+    fi
+    (
+        export LC_ALL=C.UTF-8
+        export LANG=C.UTF-8
+        export DOTNET_SYSTEM_GLOBALIZATION_INVARIANT=1
+        # fnOS package accounts may not have HOME. Keep any future single-file native
+        # extraction in the package's writable var directory instead of ~/.net.
+        export DOTNET_BUNDLE_EXTRACT_BASE_DIR="${TRIM_PKGVAR}/.net-bundle"
+        cd "$(dirname "${CMD}")" || exit 1
+        exec "${CMD}" "${DATA_ROOT}"
+    ) >> "${LOG_FILE}" 2>&1 &
+    pid=$!
+    sleep 1
+    if kill -0 "${pid}" 2>/dev/null; then
+        printf '%s' "${pid}" > "${PID_FILE}"
+        log_msg "程序启动成功，PID ${pid}"
+    else
+        log_msg "程序启动失败，请检查日志"
+        exit 1
+    fi
+}
+
+stop_process() {
+    if ! pid=$(running_pid); then
+        rm -f "${PID_FILE}"
+        return 0
+    fi
+    kill "${pid}" 2>/dev/null || true
+    count=0
+    while kill -0 "${pid}" 2>/dev/null && [ "${count}" -lt 20 ]; do
+        sleep 0.5
+        count=$((count + 1))
+    done
+    if kill -0 "${pid}" 2>/dev/null; then kill -9 "${pid}" 2>/dev/null || true; fi
+    rm -f "${PID_FILE}"
+}
+
+case "${1:-}" in
+    start) start_process ;;
+    stop) stop_process ;;
+    status) running_pid >/dev/null && exit 0 || exit 3 ;;
+    *) echo "用法：$0 {start|stop|status}"; exit 1 ;;
+esac

fnos/cmd/uninstall_callback

@@ -0,0 +1,2 @@
+#!/bin/bash
+exit 0

fnos/cmd/uninstall_init

@@ -0,0 +1,2 @@
+#!/bin/bash
+exit 0

fnos/cmd/upgrade_callback

@@ -0,0 +1,4 @@
+#!/bin/bash
+# Database changes are performed by the application after its own pre-schema backup.
+# Storage migration is intentionally never started by an fnOS upgrade hook.
+exit 0

fnos/cmd/upgrade_init

@@ -0,0 +1,23 @@
+#!/bin/bash
+set -eu
+
+DATA_ROOT="${TRIM_APPDEST_VOL}/@appshare/dy.net"
+DB_ROOT="${DATA_ROOT}/db"
+DB_FILE="${DB_ROOT}/dy.sqlite"
+BACKUP_ROOT="${DB_ROOT}/upgrade-backups"
+
+if [ ! -f "${DB_FILE}" ]; then exit 0; fi
+
+mkdir -p "${BACKUP_ROOT}"
+DEST="${BACKUP_ROOT}/fpk-pre-0.2.25-$(date '+%Y%m%d-%H%M%S')"
+mkdir -p "${DEST}"
+cp -p "${DB_FILE}" "${DEST}/dy.sqlite"
+if [ -f "${DB_FILE}-wal" ]; then cp -p "${DB_FILE}-wal" "${DEST}/dy.sqlite-wal"; fi
+if [ -f "${DB_FILE}-shm" ]; then cp -p "${DB_FILE}-shm" "${DEST}/dy.sqlite-shm"; fi
+if [ -d "${DB_ROOT}/keys" ]; then cp -a "${DB_ROOT}/keys" "${DEST}/keys"; fi
+
+# Avoid GNU find -printf: fnOS releases may provide the BusyBox find implementation.
+ls -1dt -- "${BACKUP_ROOT}"/* 2>/dev/null | tail -n +4 | while IFS= read -r backup; do
+    if [ -d "${backup}" ]; then rm -rf -- "${backup}"; fi
+done
+exit 0