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# Script to maintain the PKGBUILD as the launcher receives updates
import requests
from dataclasses import dataclass
import os
import shutil
import hashlib
import re
import subprocess
REPO = "open-goal/launcher"
SCRIPT_HOME = os.path.dirname(os.path.realpath(__file__))
PKGBUILD = os.path.join(SCRIPT_HOME, "PKGBUILD")
API_HEADERS = {
"User-Agent": "aur-maintain; wasabithumbs@gmail.com"
}
@dataclass
class Release:
version: str
image: str
def get_latest_release() -> Release:
resp = requests.get('https://api.github.com/repos/{}/releases?per_page=1'.format(REPO), headers=API_HEADERS)
print("GitHub API: HTTP {}".format(resp.status_code))
dat = resp.json()[0]
image = None
for asset in dat["assets"]:
asset_name = asset["name"]
assert isinstance(asset_name, str), "Asset name is not a string!"
if asset_name.endswith("_amd64.AppImage"):
image = asset["browser_download_url"]
version = dat["tag_name"]
assert isinstance(version, str), "Tag name is not a string!"
version = version[1:]
assert isinstance(image, str), "No valid image found!"
return Release(version, image)
def get_repo_desc() -> str:
resp = requests.get('https://api.github.com/repos/{}'.format(REPO), headers=API_HEADERS)
print("GitHub API: HTTP {}".format(resp.status_code))
dat = resp.json()
desc = dat["description"]
assert isinstance(desc, str), "Description is not a string!"
return desc
def sum_url(url: str) -> str:
resp = requests.get(url)
assert (resp.status_code == 200), "Unexpected status code: {}".format(resp.status_code)
return hashlib.md5(resp.content).hexdigest()
if __name__ == '__main__':
print("Backing up PKGBUILD...")
shutil.copyfile(PKGBUILD, PKGBUILD + ".bak")
print("Fetching latest release...")
release = get_latest_release()
dsc = get_repo_desc()
print("Found release " + release.version)
print("Computing sum...")
image_sum = sum_url(release.image)
print(image_sum)
image_name = release.image.split('/')[-1]
update = {
'pkgver': release.version,
'pkgdesc': dsc,
'arch': ['x86_64'],
'_image': image_name.replace(release.version, '${pkgver}'),
'source_x86_64': [release.image.replace(image_name, '${_image}')],
'md5sums_x86_64': [image_sum]
}
print("Updating PKGBUILD...")
lines = []
with open(PKGBUILD, 'r') as f:
end_of_cfg = False
for line in f.readlines():
empty = len(line) < 1
if empty or re.match("^\\s+$", line):
end_of_cfg = True
lines.append(line)
continue
elif line[0] == "#" or end_of_cfg:
lines.append(line)
continue
key = line.split('=')[0]
if not (key in update):
lines.append(line)
continue
new_value = update[key]
new_line = ""
if type(new_value) in [list, tuple]:
new_line = '('
space = False
for entry in new_value:
if space:
new_line += " "
space = True
new_line += "\"{}\"".format(entry)
new_line += ")"
else:
new_line = "\"{}\"".format(new_value)
new_line = "{}={}\n".format(key, new_line)
lines.append(new_line)
with open(PKGBUILD, 'w') as f:
f.write("".join(lines))
print("Generating .SRCINFO...")
p = subprocess.Popen(['bash', 'gensrc.sh'], cwd=SCRIPT_HOME)
p.wait()
print("Command finished with code {}".format(p.returncode))
print("Adding files to git...")
p = subprocess.Popen(['git', 'add', 'PKGBUILD', '.SRCINFO'], cwd=SCRIPT_HOME)
p.wait()
print("Command finished with code {}".format(p.returncode))
print("Done!")
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