mirror of
https://github.com/ohmyzsh/ohmyzsh.git
synced 2024-09-19 04:01:21 +02:00
598 lines
19 KiB
Python
598 lines
19 KiB
Python
import json
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import os
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import re
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import shutil
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import subprocess
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import sys
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import timeit
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from copy import deepcopy
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from typing import Literal, NotRequired, Optional, TypedDict
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import requests
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import yaml
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from semver import Version
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# Get TMP_DIR variable from environment
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TMP_DIR = os.path.join(os.environ.get("TMP_DIR", "/tmp"), "ohmyzsh")
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# Relative path to dependencies.yml file
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DEPS_YAML_FILE = ".github/dependencies.yml"
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# Dry run flag
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DRY_RUN = os.environ.get("DRY_RUN", "0") == "1"
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# utils for tag comparison
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BASEVERSION = re.compile(
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r"""[vV]?
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(?P<major>(0|[1-9])\d*)
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(\.
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(?P<minor>(0|[1-9])\d*)
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(\.
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(?P<patch>(0|[1-9])\d*)
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)?
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)?
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""",
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re.VERBOSE,
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)
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def coerce(version: str) -> Optional[Version]:
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match = BASEVERSION.search(version)
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if not match:
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return None
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# BASEVERSION looks for `MAJOR.minor.patch` in the string given
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# it fills with None if any of them is missing (for example `2.1`)
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ver = {
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key: 0 if value is None else value for key, value in match.groupdict().items()
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}
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# Version takes `major`, `minor`, `patch` arguments
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ver = Version(**ver) # pyright: ignore[reportArgumentType]
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return ver
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class CodeTimer:
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def __init__(self, name=None):
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self.name = " '" + name + "'" if name else ""
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def __enter__(self):
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self.start = timeit.default_timer()
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def __exit__(self, exc_type, exc_value, traceback):
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self.took = (timeit.default_timer() - self.start) * 1000.0
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print("Code block" + self.name + " took: " + str(self.took) + " ms")
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### YAML representation
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def str_presenter(dumper, data):
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"""
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Configures yaml for dumping multiline strings
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Ref: https://stackoverflow.com/a/33300001
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"""
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if len(data.splitlines()) > 1: # check for multiline string
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return dumper.represent_scalar("tag:yaml.org,2002:str", data, style="|")
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return dumper.represent_scalar("tag:yaml.org,2002:str", data)
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yaml.add_representer(str, str_presenter)
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yaml.representer.SafeRepresenter.add_representer(str, str_presenter)
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# Types
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class DependencyDict(TypedDict):
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repo: str
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branch: str
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version: str
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precopy: NotRequired[str]
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postcopy: NotRequired[str]
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class DependencyYAML(TypedDict):
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dependencies: dict[str, DependencyDict]
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class UpdateStatusFalse(TypedDict):
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has_updates: Literal[False]
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class UpdateStatusTrue(TypedDict):
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has_updates: Literal[True]
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version: str
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compare_url: str
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head_ref: str
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head_url: str
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class CommandRunner:
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class Exception(Exception):
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def __init__(self, message, returncode, stage, stdout, stderr):
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super().__init__(message)
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self.returncode = returncode
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self.stage = stage
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self.stdout = stdout
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self.stderr = stderr
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@staticmethod
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def run_or_fail(command: list[str], stage: str, *args, **kwargs):
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if DRY_RUN and command[0] == "gh":
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command.insert(0, "echo")
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result = subprocess.run(command, *args, capture_output=True, **kwargs)
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if result.returncode != 0:
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raise CommandRunner.Exception(
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f"{stage} command failed with exit code {result.returncode}",
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returncode=result.returncode,
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stage=stage,
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stdout=result.stdout.decode("utf-8"),
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stderr=result.stderr.decode("utf-8"),
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)
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return result
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class DependencyStore:
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store: DependencyYAML = {"dependencies": {}}
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@staticmethod
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def set(data: DependencyYAML):
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DependencyStore.store = data
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@staticmethod
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def update_dependency_version(path: str, version: str) -> DependencyYAML:
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with CodeTimer(f"store deepcopy: {path}"):
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store_copy = deepcopy(DependencyStore.store)
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dependency = store_copy["dependencies"].get(path)
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if dependency is None:
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raise ValueError(f"Dependency {path} {version} not found")
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dependency["version"] = version
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store_copy["dependencies"][path] = dependency
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return store_copy
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@staticmethod
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def write_store(file: str, data: DependencyYAML):
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with open(file, "w") as yaml_file:
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yaml.safe_dump(data, yaml_file, sort_keys=False)
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class Dependency:
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def __init__(self, path: str, values: DependencyDict):
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self.path = path
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self.values = values
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self.name: str = ""
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self.desc: str = ""
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self.kind: str = ""
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match path.split("/"):
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case ["plugins", name]:
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self.name = name
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self.kind = "plugin"
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self.desc = f"{name} plugin"
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case ["themes", name]:
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self.name = name.replace(".zsh-theme", "")
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self.kind = "theme"
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self.desc = f"{self.name} theme"
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case _:
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self.name = self.desc = path
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def __str__(self):
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output: str = ""
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for key in DependencyDict.__dict__["__annotations__"].keys():
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if key not in self.values:
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output += f"{key}: None\n"
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continue
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value = self.values[key]
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if "\n" not in value:
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output += f"{key}: {value}\n"
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else:
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output += f"{key}:\n "
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output += value.replace("\n", "\n ", value.count("\n") - 1)
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return output
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def update_or_notify(self):
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# Print dependency settings
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print(f"Processing {self.desc}...", file=sys.stderr)
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print(self, file=sys.stderr)
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# Check for updates
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repo = self.values["repo"]
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remote_branch = self.values["branch"]
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version = self.values["version"]
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is_tag = version.startswith("tag:")
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try:
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with CodeTimer(f"update check: {repo}"):
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if is_tag:
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status = GitHub.check_newer_tag(repo, version.replace("tag:", ""))
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else:
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status = GitHub.check_updates(repo, remote_branch, version)
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if status["has_updates"] is True:
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short_sha = status["head_ref"][:8]
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new_version = status["version"] if is_tag else short_sha
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try:
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branch_name = f"update/{self.path}/{new_version}"
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# Create new branch
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branch = Git.checkout_or_create_branch(branch_name)
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# Update dependencies.yml file
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self.__update_yaml(
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f"tag:{new_version}" if is_tag else status["version"]
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)
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# Update dependency files
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self.__apply_upstream_changes()
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# Add all changes and commit
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has_new_commit = Git.add_and_commit(self.name, short_sha)
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if has_new_commit:
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# Push changes to remote
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Git.push(branch)
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# Create GitHub PR
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GitHub.create_pr(
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branch,
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f"feat({self.name}): update to version {new_version}",
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f"""## Description
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Update for **{self.desc}**: update to version [{new_version}]({status['head_url']}).
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Check out the [list of changes]({status['compare_url']}).
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""",
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)
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# Clean up repository
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Git.clean_repo()
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except (CommandRunner.Exception, shutil.Error) as e:
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# Handle exception on automatic update
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match type(e):
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case CommandRunner.Exception:
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# Print error message
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print(
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f"Error running {e.stage} command: {e.returncode}", # pyright: ignore[reportAttributeAccessIssue]
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file=sys.stderr,
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)
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print(e.stderr, file=sys.stderr) # pyright: ignore[reportAttributeAccessIssue]
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case shutil.Error:
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print(f"Error copying files: {e}", file=sys.stderr)
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try:
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Git.clean_repo()
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except CommandRunner.Exception as e:
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print(
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f"Error reverting repository to clean state: {e}",
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file=sys.stderr,
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)
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sys.exit(1)
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# Create a GitHub issue to notify maintainer
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title = f"{self.path}: update to {new_version}"
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body = f"""## Description
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There is a new version of `{self.name}` {self.kind} available.
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New version: [{new_version}]({status['head_url']})
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Check out the [list of changes]({status['compare_url']}).
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"""
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print("Creating GitHub issue", file=sys.stderr)
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print(f"{title}\n\n{body}", file=sys.stderr)
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GitHub.create_issue(title, body)
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except Exception as e:
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print(e, file=sys.stderr)
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def __update_yaml(self, new_version: str) -> None:
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dep_yaml = DependencyStore.update_dependency_version(self.path, new_version)
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DependencyStore.write_store(DEPS_YAML_FILE, dep_yaml)
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def __apply_upstream_changes(self) -> None:
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# Patterns to ignore in copying files from upstream repo
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GLOBAL_IGNORE = [".git", ".github", ".gitignore"]
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path = os.path.abspath(self.path)
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precopy = self.values.get("precopy")
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postcopy = self.values.get("postcopy")
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repo = self.values["repo"]
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branch = self.values["branch"]
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remote_url = f"https://github.com/{repo}.git"
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repo_dir = os.path.join(TMP_DIR, repo)
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# Clone repository
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Git.clone(remote_url, branch, repo_dir, reclone=True)
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# Run precopy on tmp repo
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if precopy is not None:
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print("Running precopy script:", end="\n ", file=sys.stderr)
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print(
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precopy.replace("\n", "\n ", precopy.count("\n") - 1), file=sys.stderr
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)
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CommandRunner.run_or_fail(
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["bash", "-c", precopy], cwd=repo_dir, stage="Precopy"
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)
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# Copy files from upstream repo
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print(f"Copying files from {repo_dir} to {path}", file=sys.stderr)
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shutil.copytree(
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repo_dir,
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path,
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dirs_exist_ok=True,
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ignore=shutil.ignore_patterns(*GLOBAL_IGNORE),
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)
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# Run postcopy on our repository
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if postcopy is not None:
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print("Running postcopy script:", end="\n ", file=sys.stderr)
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print(
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postcopy.replace("\n", "\n ", postcopy.count("\n") - 1),
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file=sys.stderr,
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)
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CommandRunner.run_or_fail(
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["bash", "-c", postcopy], cwd=path, stage="Postcopy"
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)
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class Git:
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default_branch = "master"
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@staticmethod
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def clone(remote_url: str, branch: str, repo_dir: str, reclone=False):
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# If repo needs to be fresh
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if reclone and os.path.exists(repo_dir):
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shutil.rmtree(repo_dir)
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# Clone repo in tmp directory and checkout branch
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if not os.path.exists(repo_dir):
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print(
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f"Cloning {remote_url} to {repo_dir} and checking out {branch}",
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file=sys.stderr,
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)
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CommandRunner.run_or_fail(
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["git", "clone", "--depth=1", "-b", branch, remote_url, repo_dir],
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stage="Clone",
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)
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@staticmethod
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def checkout_or_create_branch(branch_name: str):
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# Get current branch name
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result = CommandRunner.run_or_fail(
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["git", "rev-parse", "--abbrev-ref", "HEAD"], stage="GetDefaultBranch"
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)
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Git.default_branch = result.stdout.decode("utf-8").strip()
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# Create new branch and return created branch name
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try:
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# try to checkout already existing branch
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CommandRunner.run_or_fail(
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["git", "checkout", branch_name], stage="CreateBranch"
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)
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except CommandRunner.Exception:
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# otherwise create new branch
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CommandRunner.run_or_fail(
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["git", "checkout", "-b", branch_name], stage="CreateBranch"
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)
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return branch_name
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@staticmethod
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def add_and_commit(scope: str, version: str) -> bool:
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"""
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Returns `True` if there were changes and were indeed commited.
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Returns `False` if the repo was clean and no changes were commited.
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"""
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# check if repo is clean (clean => no error, no commit)
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try:
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CommandRunner.run_or_fail(
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["git", "diff", "--exit-code"], stage="CheckRepoClean"
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)
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return False
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except CommandRunner.Exception:
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# if it's other kind of error just throw!
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pass
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user_name = os.environ.get("GIT_APP_NAME")
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user_email = os.environ.get("GIT_APP_EMAIL")
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# Add all files to git staging
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CommandRunner.run_or_fail(["git", "add", "-A", "-v"], stage="AddFiles")
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# Reset environment and git config
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clean_env = os.environ.copy()
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clean_env["LANG"] = "C.UTF-8"
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clean_env["GIT_CONFIG_GLOBAL"] = "/dev/null"
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clean_env["GIT_CONFIG_NOSYSTEM"] = "1"
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# Commit with settings above
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CommandRunner.run_or_fail(
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[
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"git",
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"-c",
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f"user.name={user_name}",
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"-c",
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f"user.email={user_email}",
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"commit",
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"-m",
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f"feat({scope}): update to {version}",
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],
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stage="CreateCommit",
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env=clean_env,
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)
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return True
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@staticmethod
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def push(branch: str):
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CommandRunner.run_or_fail(
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["git", "push", "-u", "origin", branch], stage="PushBranch"
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)
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@staticmethod
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def clean_repo():
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CommandRunner.run_or_fail(
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["git", "reset", "--hard", "HEAD"], stage="ResetRepository"
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)
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CommandRunner.run_or_fail(
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["git", "checkout", Git.default_branch], stage="CheckoutDefaultBranch"
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)
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class GitHub:
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@staticmethod
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def check_newer_tag(repo, current_tag) -> UpdateStatusFalse | UpdateStatusTrue:
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# GET /repos/:owner/:repo/git/refs/tags
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url = f"https://api.github.com/repos/{repo}/git/refs/tags"
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# Send a GET request to the GitHub API
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response = requests.get(url)
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current_version = coerce(current_tag)
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if current_version is None:
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raise ValueError(
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f"Stored {current_version} from {repo} does not follow semver"
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)
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# If the request was successful
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if response.status_code == 200:
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# Parse the JSON response
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data = response.json()
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if len(data) == 0:
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return {
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"has_updates": False,
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}
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latest_ref = None
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latest_version: Optional[Version] = None
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for ref in data:
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# we find the tag since GitHub returns it as plain git ref
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tag_version = coerce(ref["ref"].replace("refs/tags/", ""))
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if tag_version is None:
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# we skip every tag that is not semver-complaint
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continue
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if latest_version is None or tag_version.compare(latest_version) > 0:
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# if we have a "greater" semver version, set it as latest
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latest_version = tag_version
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latest_ref = ref
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# raise if no valid semver tag is found
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if latest_ref is None or latest_version is None:
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raise ValueError(f"No tags following semver found in {repo}")
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# we get the tag since GitHub returns it as plain git ref
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latest_tag = latest_ref["ref"].replace("refs/tags/", "")
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if latest_version.compare(current_version) <= 0:
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return {
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"has_updates": False,
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}
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return {
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"has_updates": True,
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"version": latest_tag,
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"compare_url": f"https://github.com/{repo}/compare/{current_tag}...{latest_tag}",
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"head_ref": latest_ref["object"]["sha"],
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"head_url": f"https://github.com/{repo}/releases/tag/{latest_tag}",
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}
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else:
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# If the request was not successful, raise an exception
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raise Exception(
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f"GitHub API request failed with status code {response.status_code}: {response.json()}"
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)
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@staticmethod
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def check_updates(repo, branch, version) -> UpdateStatusFalse | UpdateStatusTrue:
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url = f"https://api.github.com/repos/{repo}/compare/{version}...{branch}"
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# Send a GET request to the GitHub API
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response = requests.get(url)
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# If the request was successful
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if response.status_code == 200:
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# Parse the JSON response
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data = response.json()
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# If the base is behind the head, there is a newer version
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has_updates = data["status"] != "identical"
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if not has_updates:
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return {
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"has_updates": False,
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}
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return {
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"has_updates": data["status"] != "identical",
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"version": data["commits"][-1]["sha"],
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"compare_url": data["permalink_url"],
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"head_ref": data["commits"][-1]["sha"],
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"head_url": data["commits"][-1]["html_url"],
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}
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else:
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# If the request was not successful, raise an exception
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raise Exception(
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f"GitHub API request failed with status code {response.status_code}: {response.json()}"
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)
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@staticmethod
|
|
def create_issue(title: str, body: str) -> None:
|
|
cmd = ["gh", "issue", "create", "-t", title, "-b", body]
|
|
CommandRunner.run_or_fail(cmd, stage="CreateIssue")
|
|
|
|
@staticmethod
|
|
def create_pr(branch: str, title: str, body: str) -> None:
|
|
# first of all let's check if PR is already open
|
|
check_cmd = [
|
|
"gh",
|
|
"pr",
|
|
"list",
|
|
"--state",
|
|
"open",
|
|
"--head",
|
|
branch,
|
|
"--json",
|
|
"title",
|
|
]
|
|
# returncode is 0 also if no PRs are found
|
|
output = json.loads(
|
|
CommandRunner.run_or_fail(check_cmd, stage="CheckPullRequestOpen")
|
|
.stdout.decode("utf-8")
|
|
.strip()
|
|
)
|
|
# we have PR in this case!
|
|
if len(output) > 0:
|
|
return
|
|
cmd = [
|
|
"gh",
|
|
"pr",
|
|
"create",
|
|
"-B",
|
|
Git.default_branch,
|
|
"-H",
|
|
branch,
|
|
"-t",
|
|
title,
|
|
"-b",
|
|
body,
|
|
]
|
|
CommandRunner.run_or_fail(cmd, stage="CreatePullRequest")
|
|
|
|
|
|
def main():
|
|
# Load the YAML file
|
|
with open(DEPS_YAML_FILE, "r") as yaml_file:
|
|
data: DependencyYAML = yaml.safe_load(yaml_file)
|
|
|
|
if "dependencies" not in data:
|
|
raise Exception("dependencies.yml not properly formatted")
|
|
|
|
# Cache YAML version
|
|
DependencyStore.set(data)
|
|
|
|
dependencies = data["dependencies"]
|
|
for path in dependencies:
|
|
dependency = Dependency(path, dependencies[path])
|
|
dependency.update_or_notify()
|
|
|
|
|
|
if __name__ == "__main__":
|
|
main()
|