From b0876d58e201fea4e83c092804a8af5668606e84 Mon Sep 17 00:00:00 2001
From: Fukusan64 <ikishikawa64@gmail.com>
Date: Fri, 29 Aug 2025 23:30:51 +0900
Subject: [PATCH 1/3] =?UTF-8?q?=E3=83=AA=E3=83=80=E3=82=A4=E3=83=AC?=
 =?UTF-8?q?=E3=82=AF=E3=83=88=E6=A9=9F=E8=83=BD=E8=BF=BD=E5=8A=A0?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 Gemfile                                   | 1 +
 Gemfile.lock                              | 3 +++
 _config.yml                               | 1 +
 _posts/2025-07-21-contest-terms.md        | 3 ++-
 _posts/2025-08-02-contest-how-to-apply.md | 3 ++-
 5 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/Gemfile b/Gemfile
index 9ccefced..292c54d5 100644
--- a/Gemfile
+++ b/Gemfile
@@ -11,6 +11,7 @@ group :jekyll_plugins do
   gem 'jekyll-include-cache'
   gem 'jekyll-sitemap'
   gem 'jekyll-liquify'
+  gem 'jekyll-redirect-from'
 
   # No need this gem because we build by GitHub Actions and serve on Pages.
   # gem 'github-pages'
diff --git a/Gemfile.lock b/Gemfile.lock
index d9ec7ed6..88974641 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -104,6 +104,8 @@ GEM
       liquid
       logger
       redcarpet
+    jekyll-redirect-from (0.16.0)
+      jekyll (>= 3.3, < 5.0)
     jekyll-sass-converter (3.1.0)
       sass-embedded (~> 1.75)
     jekyll-sitemap (1.4.0)
@@ -218,6 +220,7 @@ DEPENDENCIES
   jekyll-feed
   jekyll-include-cache
   jekyll-liquify
+  jekyll-redirect-from
   jekyll-sitemap
   mini_racer
   rake
diff --git a/_config.yml b/_config.yml
index ea79b130..da280af7 100644
--- a/_config.yml
+++ b/_config.yml
@@ -28,6 +28,7 @@ plugins:
   - jekyll-include-cache
   - jekyll-sitemap # This must be LAST to include contents generated by gems above
   - jekyll-liquify # This enable to use variables in frontmatter
+  - jekyll-redirect-from
 
 sass:
   style:     compressed
diff --git a/_posts/2025-07-21-contest-terms.md b/_posts/2025-07-21-contest-terms.md
index 8d053bff..e12ed748 100644
--- a/_posts/2025-07-21-contest-terms.md
+++ b/_posts/2025-07-21-contest-terms.md
@@ -2,7 +2,8 @@
 layout: post
 title: DojoCon Japan 2025 プログラミングコンテスト 参加規約
 date: 2025-07-21T00:00:00 UTC+09:00
-permalink: /contests/terms.html
+permalink: /contests/terms/
+redirect_from: /contests/terms.html
 ---
 <img src="/img/common/coderdojo-nameplate.webp" loading="lazy" alt="DojoCon Japan Cover Photo"
   title="DojoCon Japan Cover Photo" class="mb-4" />
diff --git a/_posts/2025-08-02-contest-how-to-apply.md b/_posts/2025-08-02-contest-how-to-apply.md
index ae674747..f6b0da50 100644
--- a/_posts/2025-08-02-contest-how-to-apply.md
+++ b/_posts/2025-08-02-contest-how-to-apply.md
@@ -5,7 +5,8 @@ title-in-news-list: 『DojoCon Japan 2025 プログラミングコンテスト
 date: 2025-08-02T01:00:00 UTC+09:00
 categories: news
 tags: 企画
-permalink: /contests/how-to-apply.html
+permalink: /contests/how-to-apply/
+redirect_from: /contests/how-to-apply.html
 ---
 <style>
 img {

From 1442900420b9ce12aae8c4f0186c993667531f4e Mon Sep 17 00:00:00 2001
From: kp54 <kangpang65@gmail.com>
Date: Sat, 30 Aug 2025 00:02:38 +0900
Subject: [PATCH 2/3] =?UTF-8?q?=E3=83=87=E3=82=A3=E3=83=AC=E3=82=AF?=
 =?UTF-8?q?=E3=83=88=E3=83=AA=E6=A7=8B=E9=80=A0=E3=81=AE=E6=A4=9C=E6=9F=BB?=
 =?UTF-8?q?=E3=81=A7=E3=83=AA=E3=83=80=E3=82=A4=E3=83=AC=E3=82=AF=E3=83=88?=
 =?UTF-8?q?=E3=83=95=E3=82=A1=E3=82=A4=E3=83=AB=E3=82=92=E7=84=A1=E8=A6=96?=
 =?UTF-8?q?=E3=81=99=E3=82=8B=E3=82=88=E3=81=86=E5=A4=89=E6=9B=B4?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 test-directory-structure.py | 37 +++++++++++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)

diff --git a/test-directory-structure.py b/test-directory-structure.py
index 63eb2753..c0e37684 100755
--- a/test-directory-structure.py
+++ b/test-directory-structure.py
@@ -1,4 +1,5 @@
 #!/usr/bin/python
+from html.parser import HTMLParser
 from pathlib import Path
 
 """
@@ -12,6 +13,39 @@
 """
 
 
+class Parser(HTMLParser):
+    """
+    <meta http-equiv="refresh"> を含むファイルを検査の対象から除外する
+    """
+
+    def __init__(self, *, convert_charrefs: bool = True) -> None:
+        super().__init__(convert_charrefs=convert_charrefs)
+        self.is_redirect = False
+
+    def handle_starttag(self, tag: str, attrs: list[tuple[str, str | None]]) -> None:
+        if self.is_redirect:
+            return
+
+        if tag != "meta":
+            return
+
+        for attr_name, attr_value in attrs:
+            if attr_name == "http-equiv" and attr_value == "refresh":
+                self.is_redirect = True
+                break
+
+
+def is_redirect(path: str) -> bool:
+    with open(path) as fp:
+        content = fp.read()
+
+    parser = Parser()
+    parser.feed(content)
+    parser.close()
+
+    return parser.is_redirect
+
+
 def main() -> int:
     allowed_names = ["index.html", "404.html"]
     errors = list[str]()
@@ -25,6 +59,9 @@ def main() -> int:
                 continue
 
             path = cwd.joinpath(file).as_posix()
+            if is_redirect(path):
+                continue
+
             errors.append(path)
 
     if 0 < len(errors):

From 35ee4ff79c126324db59e98a85082989ba175716 Mon Sep 17 00:00:00 2001
From: Fukusan64 <ikishikawa64@gmail.com>
Date: Sat, 30 Aug 2025 00:12:05 +0900
Subject: [PATCH 3/3] =?UTF-8?q?jekyll-redorect-from=E3=81=AE=E8=A8=98?=
 =?UTF-8?q?=E8=BC=89=E4=BD=8D=E7=BD=AE=E3=82=92=E6=9C=80=E5=BE=8C=E3=81=AB?=
 =?UTF-8?q?=E3=81=97=E3=81=AA=E3=81=84=E3=82=88=E3=81=86=E3=81=AB=E3=81=99?=
 =?UTF-8?q?=E3=82=8B?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 _config.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/_config.yml b/_config.yml
index da280af7..7491982f 100644
--- a/_config.yml
+++ b/_config.yml
@@ -26,9 +26,9 @@ registration: https://dojocon-japan.doorkeeper.jp/events/176163
 plugins:
   - jekyll-feed
   - jekyll-include-cache
+  - jekyll-redirect-from
   - jekyll-sitemap # This must be LAST to include contents generated by gems above
   - jekyll-liquify # This enable to use variables in frontmatter
-  - jekyll-redirect-from
 
 sass:
   style:     compressed