From 8ab6ddb4ca3b70bb11e2d2b5fc9cd5407872c53e Mon Sep 17 00:00:00 2001
From: Your Name <you@example.com>
Date: Sun, 3 May 2026 23:31:17 +0800
Subject: [PATCH] =?UTF-8?q?fix(ci):=20=E4=BF=AE=E5=BE=A9=20Docker=20build?=
 =?UTF-8?q?=20lock=20stale=20=E5=81=B5=E6=B8=AC=EF=BC=88=E5=A5=88=E7=A7=92?=
 =?UTF-8?q?=20+=20=E6=99=82=E5=8D=80=E7=B8=AE=E5=AF=AB=E8=A7=A3=E6=9E=90?=
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docker network inspect 回傳 "2026-05-03 00:07:48.009219232 +0800 CST"
date -d 不接受：(1) 奈秒小數 (2) 數字 offset + 縮寫同時存在
→ CREATED_EPOCH=0 → stale 永不觸發 → lock 最長殘留 30min 才 timeout

修法：sed 去除奈秒與末尾縮寫後再解析，Python3 作備援
stale 告警訊息加上 age 秒數，方便排查

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
---
 .gitea/workflows/cd.yaml | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/.gitea/workflows/cd.yaml b/.gitea/workflows/cd.yaml
index ee1c6aac..de84a0d4 100644
--- a/.gitea/workflows/cd.yaml
+++ b/.gitea/workflows/cd.yaml
@@ -282,11 +282,21 @@ jobs:
             CREATED_AT=$(docker network inspect "$LOCK_NAME" \
               --format '{{.Created}}' 2>/dev/null || true)
             if [ -n "$CREATED_AT" ]; then
-              CREATED_EPOCH=$(date -d "$CREATED_AT" +%s 2>/dev/null || echo 0)
+              # 2026-05-03 ogt: 修復 stale 偵測 — Docker 回傳 "2006-01-02 15:04:05.999999999 -0700 MST"
+              # date -d 不接受奈秒小數點與末尾時區縮寫（CST/MST 等），導致 CREATED_EPOCH=0 → stale 永不觸發
+              # 修法：sed 去除奈秒 (.NNN...) 和末尾縮寫 (空格+大寫字母)，GNU date 才能正確解析
+              CREATED_CLEAN=$(echo "$CREATED_AT" | sed 's/\.[0-9]*//' | sed 's/ [A-Z][A-Z]*$//')
+              CREATED_EPOCH=$(date -d "$CREATED_CLEAN" +%s 2>/dev/null || \
+                python3 -c "
+import sys, datetime, re
+ts = re.sub(r'\.\d+', '', sys.argv[1])
+ts = re.sub(r'\s+[A-Z]{2,4}$', '', ts.strip())
+print(int(datetime.datetime.strptime(ts, '%Y-%m-%d %H:%M:%S %z').timestamp()))
+" "$CREATED_AT" 2>/dev/null || echo 0)
               NOW_EPOCH=$(date +%s)
               if [ "$CREATED_EPOCH" -gt 0 ] && \
                  [ $((NOW_EPOCH - CREATED_EPOCH)) -gt "$STALE_SECONDS" ]; then
-                echo "⚠️ stale Docker build lock detected, removing ${LOCK_NAME}"
+                echo "⚠️ stale Docker build lock detected (age=$((NOW_EPOCH - CREATED_EPOCH))s > ${STALE_SECONDS}s), removing ${LOCK_NAME}"
                 docker network rm "$LOCK_NAME" >/dev/null 2>&1 || true
                 continue
               fi