103 lines
3.1 KiB
Python
103 lines
3.1 KiB
Python
from pathlib import Path
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# from clan_cli.dirs import find_git_repo_root
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from clan_cli.errors import ClanError
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from clan_cli.nix import nix_shell
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from .cmd import Log, run
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from .locked_open import locked_open
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def commit_file(
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file_path: Path,
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repo_dir: Path,
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commit_message: str | None = None,
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) -> None:
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"""Commit a file to a git repository.
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:param file_path: The path to the file to commit.
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:param repo_dir: The path to the git repository.
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:param commit_message: The commit message.
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:raises ClanError: If the file is not in the git repository.
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"""
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commit_files([file_path], repo_dir, commit_message)
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# generic vcs agnostic commit function
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def commit_files(
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file_paths: list[Path],
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repo_dir: Path,
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commit_message: str | None = None,
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) -> None:
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if not file_paths:
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return
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# check that the file is in the git repository
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for file_path in file_paths:
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if not Path(file_path).resolve().is_relative_to(repo_dir.resolve()):
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raise ClanError(f"File {file_path} is not in the git repository {repo_dir}")
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# generate commit message if not provided
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if commit_message is None:
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commit_message = ""
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for file_path in file_paths:
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# ensure that mentioned file path is relative to repo
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commit_message += f"Add {file_path.relative_to(repo_dir)}"
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# check if the repo is a git repo and commit
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if (repo_dir / ".git").exists():
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_commit_file_to_git(repo_dir, file_paths, commit_message)
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else:
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return
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def _commit_file_to_git(
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repo_dir: Path, file_paths: list[Path], commit_message: str
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) -> None:
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"""Commit a file to a git repository.
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:param repo_dir: The path to the git repository.
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:param file_path: The path to the file to commit.
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:param commit_message: The commit message.
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:raises ClanError: If the file is not in the git repository.
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"""
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with locked_open(repo_dir / ".git" / "clan.lock", "w+"):
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for file_path in file_paths:
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cmd = nix_shell(
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["nixpkgs#git"],
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["git", "-C", str(repo_dir), "add", str(file_path)],
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)
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# add the file to the git index
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run(
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cmd,
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log=Log.BOTH,
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error_msg=f"Failed to add {file_path} file to git index",
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)
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# check if there is a diff
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cmd = nix_shell(
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["nixpkgs#git"],
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["git", "-C", str(repo_dir), "diff", "--cached", "--exit-code"]
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+ [str(file_path) for file_path in file_paths],
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)
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result = run(cmd, check=False, cwd=repo_dir)
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# if there is no diff, return
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if result.returncode == 0:
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return
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# commit only that file
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cmd = nix_shell(
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["nixpkgs#git"],
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[
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"git",
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"-C",
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str(repo_dir),
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"commit",
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"-m",
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commit_message,
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]
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+ [str(file_path) for file_path in file_paths],
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)
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run(
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cmd, error_msg=f"Failed to commit {file_paths} to git repository {repo_dir}"
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)
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