From 7b89d103ce5ca128ad74568304b9fe618858186d Mon Sep 17 00:00:00 2001
From: Julius Krumbiegel <julius.krumbiegel@gmail.com>
Date: Wed, 11 Dec 2024 10:38:58 +0100
Subject: [PATCH 1/3] Fix powershell ArgumentList bug

---
 src/execute/julia.ts | 21 ++++++++++++---------
 1 file changed, 12 insertions(+), 9 deletions(-)

diff --git a/src/execute/julia.ts b/src/execute/julia.ts
index f83241ef5c3..2809258515d 100644
--- a/src/execute/julia.ts
+++ b/src/execute/julia.ts
@@ -248,6 +248,12 @@ export const juliaEngine: ExecutionEngine = {
   },
 };
 
+function powershell_argument_list_to_string(...args: string[]): string {
+  // formats as '"arg 1" "arg 2" "arg 3"'
+  const inner = args.map((arg) => `"${arg}"`).join(" ");
+  return `'${inner}'`;
+}
+
 async function startOrReuseJuliaServer(
   options: JuliaExecuteOptions,
 ): Promise<{ reused: boolean }> {
@@ -310,15 +316,12 @@ async function startOrReuseJuliaServer(
             "Start-Process",
             options.julia_cmd,
             "-ArgumentList",
-            // string array argument list, each element but the last must have a "," element after
-            "--startup-file=no",
-            ",",
-            `--project=${juliaProject}`,
-            ",",
-            resourcePath("julia/quartonotebookrunner.jl"),
-            ",",
-            transportFile,
-            // end of string array
+            powershell_argument_list_to_string(
+              "--startup-file=no",
+              `--project=${juliaProject}`,
+              resourcePath("julia/quartonotebookrunner.jl"),
+              transportFile,
+            ),
             "-WindowStyle",
             "Hidden",
           ],

From c3ca827faefe5904440cf79eef89b0968009e052 Mon Sep 17 00:00:00 2001
From: Julius Krumbiegel <julius.krumbiegel@gmail.com>
Date: Tue, 7 Jan 2025 15:47:59 +0100
Subject: [PATCH 2/3] replace backslashes in user-specified project path

---
 src/execute/julia.ts | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/execute/julia.ts b/src/execute/julia.ts
index 2809258515d..e35b45e8b62 100644
--- a/src/execute/julia.ts
+++ b/src/execute/julia.ts
@@ -34,7 +34,7 @@ import {
 } from "../config/format.ts";
 import { resourcePath } from "../core/resources.ts";
 import { quartoRuntimeDir } from "../core/appdirs.ts";
-import { normalizePath } from "../core/path.ts";
+import { normalizePath, pathWithForwardSlashes } from "../core/path.ts";
 import { isInteractiveSession } from "../core/platform.ts";
 import { runningInCI } from "../core/ci-info.ts";
 import { sleep } from "../core/async.ts";
@@ -271,6 +271,7 @@ async function startOrReuseJuliaServer(
       await ensureQuartoNotebookRunnerEnvironment(options);
       juliaProject = juliaRuntimeDir();
     } else {
+      juliaProject = pathWithForwardSlashes(juliaProject);
       trace(
         options,
         `Custom julia project set via QUARTO_JULIA_PROJECT="${juliaProject}". Checking if QuartoNotebookRunner can be loaded.`,

From f44e5526334885423995e561338436020af8a95e Mon Sep 17 00:00:00 2001
From: Julius Krumbiegel <julius.krumbiegel@gmail.com>
Date: Wed, 8 Jan 2025 16:01:54 +0100
Subject: [PATCH 3/3] add changelog

---
 news/changelog-1.7.md | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/news/changelog-1.7.md b/news/changelog-1.7.md
index daec9d8d52c..86a5d74ea9f 100644
--- a/news/changelog-1.7.md
+++ b/news/changelog-1.7.md
@@ -22,6 +22,12 @@ All changes included in 1.7:
   that allows to check whether a node is empty, i.e., whether it's an
   empty list, has no child nodes, and contains no text.
 
+## Engines
+
+### `julia`
+
+- ([#11659](https://github.com/quarto-dev/quarto-cli/pull/11659)): Fix escaping bug where paths containing spaces or backslashes break server startup on Windows.
+
 ## Other Fixes and Improvements
 
 - ([#11643](https://github.com/quarto-dev/quarto-cli/issues/11643)): Improve highlighting of nested code block inside markdown code block, i.e. using ` ```{{python}} ` or ` ```python ` inside ` ````markdown` fenced code block.