From 28833068e3cdb098968c14a7db94c5a78c752555 Mon Sep 17 00:00:00 2001
From: CyC2018 <zhengyc101@163.com>
Date: Sun, 25 Oct 2026 19:04:33 +0800
Subject: [PATCH] Add .github/workflows/watermark.yml
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PR 中新增或修改了 notes/pics 下的 PNG、JPEG 配图时，检查是否已加 CyC2018 水印，作为未启用提交钩子时的兜底。
---
 .github/workflows/watermark.yml | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)
 create mode 100644 .github/workflows/watermark.yml

diff --git a/.github/workflows/watermark.yml b/.github/workflows/watermark.yml
new file mode 100644
index 00000000..b2f31e4b
--- /dev/null
+++ b/.github/workflows/watermark.yml
@@ -0,0 +1,32 @@
+# 检查 PR 中新增或修改的配图是否已加 CyC2018 水印，缺少时提示用 tools/watermark.py 补上。
+name: 配图水印检查
+
+on:
+  pull_request:
+    paths:
+      - 'notes/pics/**'
+
+permissions:
+  contents: read
+
+jobs:
+  watermark:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+      - uses: actions/setup-python@v5
+        with:
+          python-version: '3.12'
+      - run: pip install pillow
+      - name: 检查配图
+        env:
+          BASE_REF: ${{ github.base_ref }}
+        run: |
+          git diff --name-only --diff-filter=AM "origin/$BASE_REF...HEAD" -- 'notes/pics/*.png' 'notes/pics/*.jpg' 'notes/pics/*.jpeg' > files.txt
+          if [ ! -s files.txt ]; then echo "没有新增或修改的 PNG、JPEG 配图"; exit 0; fi
+          if ! xargs -d '\n' python3 tools/watermark.py --check < files.txt; then
+            echo "::error::以上配图缺少水印，请执行 python3 tools/watermark.py <图片> 后重新提交，或启用 git config core.hooksPath tools/hooks"
+            exit 1
+          fi