update

scripts/migrate.mjs

@@ -13,8 +13,12 @@
  * prebuilt `sqlc` binary and still prefer ≥6GiB).
  */
 import { spawnSync } from "node:child_process";
-import fs from "node:fs";
 import path from "node:path";
+import {
+  detectHostProfile,
+  formatHostNote,
+  withGoLowMem,
+} from "./lowmem-env.mjs";
 import { loadRootEnv, repoRoot } from "./root-env.mjs";
 
 const args = new Set(process.argv.slice(2));
@@ -26,7 +30,8 @@ const wantSqlc =
 /** Prefer this much free/total RAM (MiB) before attempting sqlc go-run/wazero. */
 const SQLC_MIN_RAM_MIB = Number(process.env.DESCRYBE_SQLC_MIN_RAM_MIB || 6144);
 
-const env = loadRootEnv(process.env);
+const profile = detectHostProfile();
+const env = withGoLowMem(loadRootEnv(process.env), profile);
 if (!env.DATABASE_URL) {
   console.error(
     "DATABASE_URL is required (set in monorepo-root .env or the shell; see .env.example)",
@@ -41,7 +46,8 @@ function run(command, cmdArgs, opts = {}) {
     cwd: apiDir,
     env,
     stdio: "inherit",
-    shell: process.platform === "win32",
+    // Keep go argv intact on Windows (ldflags / module paths).
+    shell: process.platform === "win32" && command !== "go",
     ...opts,
   });
   if (r.error) {
@@ -53,31 +59,8 @@ function run(command, cmdArgs, opts = {}) {
   }
 }
 
-/** Best-effort total RAM in MiB (Linux /proc, Windows wmic, or null). */
 function totalRamMiB() {
-  try {
-    if (process.platform === "linux") {
-      const text = fs.readFileSync("/proc/meminfo", "utf8");
-      const m = text.match(/^MemTotal:\s+(\d+)\s+kB/m);
-      if (m) return Math.floor(Number(m[1]) / 1024);
-    }
-    if (process.platform === "win32") {
-      const r = spawnSync(
-        "powershell",
-        [
-          "-NoProfile",
-          "-Command",
-          "[int]((Get-CimInstance Win32_ComputerSystem).TotalPhysicalMemory/1MB)",
-        ],
-        { encoding: "utf8" },
-      );
-      const n = Number(String(r.stdout || "").trim());
-      if (Number.isFinite(n) && n > 0) return n;
-    }
-  } catch {
-    /* ignore */
-  }
-  return null;
+  return profile.totalMiB;
 }
 
 function hasSqlcBinary() {
@@ -89,6 +72,13 @@ function hasSqlcBinary() {
 }
 
 console.log("==> goose up (apps/api/sql/schema)");
+console.log(`NOTE  ${formatHostNote(profile)}`);
+console.log(
+  `NOTE  GOMAXPROCS=${env.GOMAXPROCS}` +
+    (env.GOMEMLIMIT ? ` GOMEMLIMIT=${env.GOMEMLIMIT}` : "") +
+    (env.GOGC ? ` GOGC=${env.GOGC}` : "") +
+    " (sqlc skipped by default; needs ≥6GiB)",
+);
 run("go", [
   "run",
   "github.com/pressly/goose/v3/cmd/goose@v3.24.3",