gitar

""" FileInfo.py - Contains functionality to ask info about a given file."""

from ..models import Repository

from . import RepoInfo

import git

import pydriller

def get_changing_commits(repository, file):

    """ Returns a list of all commits in which the file was changed.

    """

    presented_commits = get_presented_commits(repository, file)

def get_presented_commits(repository, file):

    """ Returns a dict with all branches where the given file is present.

    """

    branches = RepoInfo.get_commits(repository)

    present_branches = dict()

    for commits in branches:

        pass

def last_commit(repository_name, branch, file):

    """ Returns the last commit in which this file occured.

    """

    repository = Repository.objects.get(directory_path__endswith=repository_name+".git")

    #print(repository.directory_path)

    repo = pydriller.Repository(repository.directory_path, only_in_branch=branch)

    # Because traverse_commits() is a generator, I can't reverse the order, and

    # since it goes from oldest to latest, I have to traverse all commits and

    # store the last one that mentions that particular file.

    latest_commit = None

    for commit in repo.traverse_commits():

        for modified_file in commit.modified_files:

            #print("Comparing {} with {}".format(modified_file.new_path, file))

            if modified_file.new_path == file:

                latest_commit = commit

    return latest_commit