workaround quote escape issues for bun run (#3290)

fixes #53

src/cli/run_command.zig

@@ -192,6 +192,24 @@ pub const RunCommand = struct {
 
                     delimiter = 0;
                 },
+                // TODO: handle escape sequences properly
+                // https://github.com/oven-sh/bun/issues/53
+                '\\' => {
+                    delimiter = 0;
+
+                    if (entry_i + 1 < script.len) {
+                        switch (script[entry_i + 1]) {
+                            '"', '\'' => {
+                                entry_i += 1;
+                                continue;
+                            },
+                            '\\' => {
+                                entry_i += 1;
+                            },
+                            else => {},
+                        }
+                    }
+                },
                 else => {
                     delimiter = 0;
                 },

test/cli/run/run-quote.test.ts

@@ -0,0 +1,15 @@
+import { expect, it } from "bun:test";
+import { bunRunAsScript, tempDirWithFiles } from "harness";
+
+it("should handle quote escapes", () => {
+  const package_json = JSON.stringify({
+    scripts: {
+      test: `echo "test\\\\$(pwd)"`,
+    },
+  });
+  expect(package_json).toContain('\\"');
+  expect(package_json).toContain("\\\\");
+  const dir = tempDirWithFiles("run-quote", { "package.json": package_json });
+  const { stdout } = bunRunAsScript(dir, "test");
+  expect(stdout).toBe(`test\\${dir}`);
+});

test/harness.ts

@@ -81,7 +81,7 @@ export function hideFromStackTrace(block: CallableFunction) {
 }
 
 export function tempDirWithFiles(basename: string, files: Record<string, string>) {
-  const dir = fs.mkdtempSync(path.join(os.tmpdir(), basename + "_"));
+  const dir = fs.mkdtempSync(path.join(fs.realpathSync(os.tmpdir()), basename + "_"));
   for (const [name, contents] of Object.entries(files)) {
     fs.writeFileSync(path.join(dir, name), contents);
   }