From 0122c8c2310032659e3180a96fca71331f3d4828 Mon Sep 17 00:00:00 2001
From: Takuma IMAMURA <209989118+hyperfinitism@users.noreply.github.com>
Date: Mon, 9 Mar 2026 00:20:02 +0900
Subject: [PATCH 1/2] chore: add SPDX License headers

Signed-off-by: Takuma IMAMURA <209989118+hyperfinitism@users.noreply.github.com>
---
 src/bookmeterjson/__init__.py | 1 +
 src/bookmeterjson/__main__.py | 2 ++
 src/bookmeterjson/config.py   | 2 ++
 src/bookmeterjson/models.py   | 2 ++
 src/bookmeterjson/scraper.py  | 2 ++
 5 files changed, 9 insertions(+)

diff --git a/src/bookmeterjson/__init__.py b/src/bookmeterjson/__init__.py
index e69de29..548d2d4 100644
--- a/src/bookmeterjson/__init__.py
+++ b/src/bookmeterjson/__init__.py
@@ -0,0 +1 @@
+# SPDX-License-Identifier: MIT
diff --git a/src/bookmeterjson/__main__.py b/src/bookmeterjson/__main__.py
index 91b5992..c2bde5c 100644
--- a/src/bookmeterjson/__main__.py
+++ b/src/bookmeterjson/__main__.py
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: MIT
+
 import argparse
 import sys
 
diff --git a/src/bookmeterjson/config.py b/src/bookmeterjson/config.py
index 018cd44..bdbbeb9 100644
--- a/src/bookmeterjson/config.py
+++ b/src/bookmeterjson/config.py
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: MIT
+
 from dataclasses import dataclass, field
 from pathlib import Path
 
diff --git a/src/bookmeterjson/models.py b/src/bookmeterjson/models.py
index a83c2af..ca0a524 100644
--- a/src/bookmeterjson/models.py
+++ b/src/bookmeterjson/models.py
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: MIT
+
 from __future__ import annotations
 
 from dataclasses import dataclass
diff --git a/src/bookmeterjson/scraper.py b/src/bookmeterjson/scraper.py
index bc7afc2..c1e3e2c 100644
--- a/src/bookmeterjson/scraper.py
+++ b/src/bookmeterjson/scraper.py
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: MIT
+
 from __future__ import annotations
 
 import contextlib

From 5060969d01ae37fcda22e6f14e2100c36bc1c45a Mon Sep 17 00:00:00 2001
From: Takuma IMAMURA <209989118+hyperfinitism@users.noreply.github.com>
Date: Mon, 9 Mar 2026 00:20:49 +0900
Subject: [PATCH 2/2] ci(spdx): add SPDX license header check workflow

Signed-off-by: Takuma IMAMURA <209989118+hyperfinitism@users.noreply.github.com>
---
 .github/workflows/spdx.yml | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)
 create mode 100644 .github/workflows/spdx.yml

diff --git a/.github/workflows/spdx.yml b/.github/workflows/spdx.yml
new file mode 100644
index 0000000..1f3b30e
--- /dev/null
+++ b/.github/workflows/spdx.yml
@@ -0,0 +1,32 @@
+name: SPDX License Check
+
+on:
+  pull_request:
+    paths:
+      - "pyproject.toml"
+      - "src/**"
+      - ".github/workflows/spdx.yml"
+  push:
+    paths:
+      - "pyproject.toml"
+      - "src/**"
+      - ".github/workflows/spdx.yml"
+  workflow_dispatch:
+
+permissions:
+  contents: read
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  spdx:
+    name: check spdx headers
+    runs-on: ubuntu-latest
+    steps:
+      - name: checkout
+        uses: actions/checkout@v6
+      - uses: enarx/spdx@d4020ee98e3101dd487c5184f27c6a6fb4f88709 # master
+        with:
+          licenses: MIT