add hugo updater and use local hugo

.gitignore

@@ -8,3 +8,4 @@ hugo_stats.json
 themes/
 *.mp4
 *.webm
+hugo

Makefile

@@ -1,9 +1,9 @@
 server:
-	hugo server -D
+	./hugo server -D
 
 build:
 	rm -fr public/
-	hugo
+	./hugo
 
 publish:
 	rsync -aP public/ lw1.at:/var/www/guides/ --delete

hugo_updater.py

@@ -0,0 +1,48 @@
+import tarfile
+from io import BytesIO
+from pathlib import Path
+
+import requests
+
+version_file = Path("hugo_version.txt")
+hugo_binary = Path("hugo")
+
+
+def get_latest_version():
+    r = requests.get("https://api.github.com/repos/gohugoio/hugo/releases")
+    data = r.json()
+    data.sort(key=lambda r: r["created_at"], reverse=True)
+    stable_releases = [r for r in data if not r["prerelease"]]
+    return stable_releases[0]
+
+
+def main():
+    latest_release_data = get_latest_version()
+    latest_release_version = latest_release_data["tag_name"].lstrip("v")
+
+    if version_file.exists():
+        current_version = version_file.read_text().strip()
+    else:
+        current_version = None
+
+    if latest_release_version == current_version and hugo_binary.exists():
+        print(f"hugo is up to date ({current_version})")
+        return
+
+    print(f"latest version is {latest_release_version}, updating from {current_version}")
+    for asset in latest_release_data["assets"]:
+        name = asset["name"]
+        if "linux-amd64.tar.gz" not in name or "extended" not in name:
+            continue
+        download_url = asset["browser_download_url"]
+        print("downloading")
+        r = requests.get(download_url)
+        print("extracting")
+        tar = tarfile.open(fileobj=BytesIO(r.content))
+        tar.extract("hugo")
+        tar.close()
+    version_file.write_text(latest_release_version)
+
+
+if __name__ == '__main__':
+    main()

hugo_version.txt

@@ -0,0 +1 @@
+0.103.1