bundlewrap/bundles/sshmon/files/check_github_for_new_release

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#!/usr/bin/env python3
from sys import argv, exit
from requests import get
try:
# Arch Linux (possibly future Ubuntu releases)
from packaging.version import parse
except ModuleNotFoundError:
# Debian
from setuptools._vendor.packaging.version import parse
assert (
len(argv) >= 3
), "Usage: check_github_for_new_release <repo> <version> [tag prefix]"
repo = argv[1]
current_version = argv[2]
if len(argv) >= 4:
tag_prefix = argv[3]
else:
tag_prefix = ""
try:
r = get(
"https://api.github.com/repos/{}/releases".format(repo),
headers={"Accept": "application/json"},
)
r.raise_for_status()
releases = r.json()
newest_release = None
for i in releases:
if i["tag_name"].startswith(tag_prefix):
if (
newest_release is None
or parse(i["tag_name"]) > parse(newest_release["tag_name"])
) and not (i["prerelease"] or i["draft"]):
newest_release = i
assert newest_release is not None, "Could not determine latest release"
if parse(newest_release["tag_name"]) > parse(current_version):
print(
"There is a newer version available: {} (currently installed: {})".format(
newest_release["tag_name"], current_version
)
)
exit(2)
else:
print(
"Currently installed version {} matches newest release on github".format(
current_version
)
)
exit(0)
except Exception as e:
print(repr(e))
exit(3)