fix: bootstrap linuxbrew for skills

src/infra/brew.test.ts

@@ -0,0 +1,59 @@
+import fs from "node:fs/promises";
+import os from "node:os";
+import path from "node:path";
+
+import { describe, expect, it } from "vitest";
+
+import { resolveBrewExecutable, resolveBrewPathDirs } from "./brew.js";
+
+describe("brew helpers", () => {
+  it("resolves brew from ~/.linuxbrew/bin when executable exists", async () => {
+    const tmp = await fs.mkdtemp(path.join(os.tmpdir(), "clawdbot-brew-"));
+    try {
+      const homebrewBin = path.join(tmp, ".linuxbrew", "bin");
+      await fs.mkdir(homebrewBin, { recursive: true });
+      const brewPath = path.join(homebrewBin, "brew");
+      await fs.writeFile(brewPath, "#!/bin/sh\necho ok\n", "utf-8");
+      await fs.chmod(brewPath, 0o755);
+
+      const env: NodeJS.ProcessEnv = {};
+      expect(resolveBrewExecutable({ homeDir: tmp, env })).toBe(brewPath);
+    } finally {
+      await fs.rm(tmp, { recursive: true, force: true });
+    }
+  });
+
+  it("prefers HOMEBREW_PREFIX/bin/brew when present", async () => {
+    const tmp = await fs.mkdtemp(path.join(os.tmpdir(), "clawdbot-brew-"));
+    try {
+      const prefix = path.join(tmp, "prefix");
+      const prefixBin = path.join(prefix, "bin");
+      await fs.mkdir(prefixBin, { recursive: true });
+      const prefixBrew = path.join(prefixBin, "brew");
+      await fs.writeFile(prefixBrew, "#!/bin/sh\necho ok\n", "utf-8");
+      await fs.chmod(prefixBrew, 0o755);
+
+      const homebrewBin = path.join(tmp, ".linuxbrew", "bin");
+      await fs.mkdir(homebrewBin, { recursive: true });
+      const homebrewBrew = path.join(homebrewBin, "brew");
+      await fs.writeFile(homebrewBrew, "#!/bin/sh\necho ok\n", "utf-8");
+      await fs.chmod(homebrewBrew, 0o755);
+
+      const env: NodeJS.ProcessEnv = { HOMEBREW_PREFIX: prefix };
+      expect(resolveBrewExecutable({ homeDir: tmp, env })).toBe(prefixBrew);
+    } finally {
+      await fs.rm(tmp, { recursive: true, force: true });
+    }
+  });
+
+  it("includes Linuxbrew bin/sbin in path candidates", () => {
+    const env: NodeJS.ProcessEnv = { HOMEBREW_PREFIX: "/custom/prefix" };
+    const dirs = resolveBrewPathDirs({ homeDir: "/home/test", env });
+    expect(dirs).toContain("/custom/prefix/bin");
+    expect(dirs).toContain("/custom/prefix/sbin");
+    expect(dirs).toContain("/home/linuxbrew/.linuxbrew/bin");
+    expect(dirs).toContain("/home/linuxbrew/.linuxbrew/sbin");
+    expect(dirs).toContain("/home/test/.linuxbrew/bin");
+    expect(dirs).toContain("/home/test/.linuxbrew/sbin");
+  });
+});