From dbc22c76fc9e8c672b570c6224c12693fa92b0cf Mon Sep 17 00:00:00 2001
From: nrslib <38722970+nrslib@users.noreply.github.com>
Date: Wed, 4 Mar 2026 23:03:03 +0900
Subject: [PATCH] =?UTF-8?q?fix:=20runtime=E7=92=B0=E5=A2=83=E3=81=AEXDG=5F?=
 =?UTF-8?q?CONFIG=5FHOME=E4=B8=8A=E6=9B=B8=E3=81=8D=E3=81=A7gh=E8=AA=8D?=
 =?UTF-8?q?=E8=A8=BC=E3=81=8C=E5=A4=B1=E6=95=97=E3=81=99=E3=82=8B=E5=95=8F?=
 =?UTF-8?q?=E9=A1=8C=E3=82=92=E4=BF=AE=E6=AD=A3?=
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XDG_CONFIG_HOMEを.takt/.runtime/configに上書きすると、ghがkeyring認証の
設定ファイルを見失い「not authenticated」エラーになる。
XDG_CONFIG_HOME上書き前の元パスをGH_CONFIG_DIRに退避して解決。
---
 src/core/runtime/runtime-environment.ts | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/core/runtime/runtime-environment.ts b/src/core/runtime/runtime-environment.ts
index 88b1ca5..38a81d6 100644
--- a/src/core/runtime/runtime-environment.ts
+++ b/src/core/runtime/runtime-environment.ts
@@ -23,13 +23,20 @@ function shellQuote(value: string): string {
   return `'${value.replace(/'/g, `'"'"'`)}'`;
 }
 
+function preserveToolConfigDir(envKey: string, xdgSubdir: string): string {
+  return process.env[envKey]
+    ?? join(process.env['XDG_CONFIG_HOME'] ?? join(process.env['HOME']!, '.config'), xdgSubdir);
+}
+
 function createBaseEnvironment(runtimeRoot: string): Record<string, string> {
+  const ghConfigDir = preserveToolConfigDir('GH_CONFIG_DIR', 'gh');
   return {
     TMPDIR: join(runtimeRoot, 'tmp'),
     XDG_CACHE_HOME: join(runtimeRoot, 'cache'),
     XDG_CONFIG_HOME: join(runtimeRoot, 'config'),
     XDG_STATE_HOME: join(runtimeRoot, 'state'),
     CI: 'true',
+    GH_CONFIG_DIR: ghConfigDir,
   };
 }