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@@ -0,0 +1,50 @@
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+#!/usr/bin/env python3
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+from __future__ import annotations
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+
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+import os
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+import pathlib
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+import platform
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+import subprocess
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+
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+import httpx
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+
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+CURRENT_DIR = pathlib.Path(__file__).parent
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+
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+def main():
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+ delta()
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+
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+def delta():
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+ client = httpx.Client()
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+ r = client.get('https://api.github.com/repos/dandavison/delta/releases/latest',
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+ headers={'Accept': 'application/vnd.github+json', 'X-GitHub-Api-Version': '2022-11-28'})
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+ r.raise_for_status()
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+ latest = r.json()
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+
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+ if platform.system() == 'Linux':
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+ version = latest['name']
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+ arch = get_output(['dpkg', '--print-architecture'])
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+ filename = f'git-delta_{version}_{arch}.deb'
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+
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+ (asset,) = (asset for asset in latest['assets'] if asset['name'] == filename)
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+ deb_path = CURRENT_DIR / 'git-delta.deb'
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+ download(client, asset['browser_download_url'], deb_path)
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+
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+ try:
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+ subprocess.run(['sudo', 'dpkg', '-i', deb_path], check=True)
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+ finally:
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+ os.unlink(deb_path)
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+
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+def get_output(argv: list[str]) -> str:
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+ proc = subprocess.run(argv, check=True, capture_output=True, encoding='ascii')
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+ return proc.stdout.rstrip('\n')
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+
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+def download(client: httpx.Client, url: str, path: pathlib.Path) -> None:
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+ print('downloading', url, 'to', path)
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+ with client.stream('GET', url, follow_redirects=True) as r:
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+ r.raise_for_status()
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+ with path.open('wb') as f:
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+ for chunk in r.iter_bytes():
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+ f.write(chunk)
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+
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+if __name__ == '__main__':
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+ main()
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