"""

CLI parsing for pyvc command.

"""

import structlog

from pathlib import Path, PurePath

from pygit2 import Commit

from pygit2.repository import Repository

from pygit2.enums import SortMode

from pyvcc.semver import SemVer

log = structlog.get_logger()

def validate_args(root: str, version: str) -> bool:

is_valid = True

repo_path = Path(root) / PurePath(".git")

if not repo_path.exists():

is_valid = False

log.error("repo root does not exist", path=repo_path)

try:

SemVer.semver_from_string(version)

except Exception as e:

log.error("invalid initial version", error=str(e))

is_valid = False

return is_valid

def run(root: str, version: str, start_commit_id: str | None = None) -> str:

repo_path = Path(root) / PurePath(".git")

semver = SemVer.semver_from_string(version)

repo = Repository(str(repo_path))

log.debug("starting repo walk", start_commit_id=start_commit_id)

commit_walker = repo.walk(repo.head.target, SortMode.TOPOLOGICAL | SortMode.REVERSE)

# if start_commit is defined for versioning, skip parents on walk

if start_commit_id:

start_commit = repo[start_commit_id]

if isinstance(start_commit, Commit):

for parent in start_commit.parent_ids:

commit_walker.hide(parent)

for commit in commit_walker:

message = commit.message

log.debug("commit", id=commit.id, short=commit.short_id)

semver.bump_version(message)

log.debug(f"final version {str(semver)}")

return str(semver)