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sync: 工具链 pin 跟进 — mcpp → 2026年8月1日.1,d2x → 2026年08月02日.1 #87

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Merged

Sunrisepeak merged 2 commits into main from sync/d2x-2026年08月02日.1-mcpp-2026年8月1日.1

Aug 1, 2026

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sync: 工具链 pin 跟进 — mcpp → 2026年8月1日.1,d2x → 2026年08月02日.1 #87

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sync: 工具链 pin 跟进 —— mcpp 0.0.104 → 2026年8月1日.1,d2x → 2026年08月02日.1

Sunrisepeak Aug 1, 2026

fix(provider): Windows 上 capture_stdout 的 2>/dev/null 让 mcpp test 根本没跑

Sunrisepeak Aug 1, 2026

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6 changes: 5 additions & 1 deletion .github/workflows/dslings-ref-ci.yml

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Original file line number	Diff line number	Diff line change
Expand Up		@@ -8,7 +8,11 @@ name: Validate exercises and reference solutions
		# 链路,所以 CI 绿灯等价于学习者本地能跑通,而不是另一条平行的构建路径。
		#
		# 依赖 mcpp >= 0.0.104(测试能力批次:逐测试隔离 / 过滤 / --list / --timeout /
	# --message-format json / tests 吃 [build].flags)。pin 见 .xlings.json。
	# --message-format json / tests 吃 [build].flags)。
	#
	# 但真正的下限已被上游抬高:mcpplibs 依赖索引现在要求 mcpp >= 0.0.109,更低的
	# 版本一律 E0006「index requires mcpp >= 0.0.109」而拒绝解析依赖 —— 原先钉的
	# 0.0.104 自此装不出来。pin 见 .xlings.json,当前为 2026年8月1日.1。

		on:
		push:
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8 changes: 4 additions & 4 deletions .xlings.json

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Original file line number	Diff line number	Diff line change
		@@ -1,12 +1,12 @@
		{
		"workspace": {
	"d2x": "2026.07.24.1",
	"d2x": "2026.08.02.1",
		"mdbook": "0.4.43",
		"code": "",
		"mcpp": {
	"linux": "0.0.104",
	"macosx": "0.0.104",
	"windows": "0.0.104"
	"linux": "2026年8月1日.1",
	"macosx": "2026年8月1日.1",
	"windows": "2026年8月1日.1"
		}
		}
		}

10 changes: 10 additions & 0 deletions d2x/buildtools/src/runner.cppm

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Original file line number	Diff line number	Diff line change
Expand Up		@@ -33,7 +33,17 @@ export struct Captured {
		// workaround 随之删除。
		export Captured capture_stdout(const std::string& cmd) {
		Captured result;
	// 丢弃 stderr 的写法必须分平台:_popen 走的是 cmd.exe,那里没有
	// /dev/null —— `2>/dev/null` 会被当成「重定向到 \dev\null 这个路径」,
	// 而 \dev 不存在,cmd 直接报 "The system cannot find the path specified."
	// 并且整条命令根本不执行。于是 mcpp test 一条 JSON 都吐不出来,判定链
	// 退化成「没有该测试的记录」,Windows 上每道题都卡在这里(d2x 的
	// Win10/Win11 checker 冒烟实测)。空设备在 cmd 下叫 NUL。
	#ifdef _WIN32
	std::string full = cmd + " 2>NUL";
	#else
		std::string full = cmd + " 2>/dev/null";
	#endif

		#ifdef _WIN32
		FILE* pipe = ::_popen(full.c_str(), "r");
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