addFileToRepo.sh

#!/usr/bin/env python3
# based on https://github.com/newren/git-filter-repo/blob/main/contrib/filter-repo-demos/insert-beginning
"""
This is a simple program that will insert some regular file into the root
commit(s) of history, e.g. adding a file named LICENSE or COPYING to the
first commit.  It also rewrites commit hashes in commit messages to update
them based on these changes.
"""

import argparse
import sys
import os
import git_filter_repo as fr
from .commonFunctions import get


def main():
    parser = argparse.ArgumentParser(description='Add a file to every commit in the history')
    parser.add_argument(
        '-f',
        '--file',
        required=True,
        type=os.fsencode,
        help=("Relative-path to file whose contents should be added to every commit")
    )

    parser.add_argument(
        '-d', '--destPath', required=True, type=os.fsencode, help=("Relative-path in the repo for the file")
    )

    parser.add_argument('-r', '--repoDir', required=True, help=("Path to the git repository"))
    args = parser.parse_args()

    os.chdir(args.repoDir)

    fhash = get(['git', 'hash-object', '-w', args.file], raw=True).strip()
    fmode = b'100755' if os.access(args.file, os.X_OK) else b'100644'

    # FIXME: I've assumed the file wasn't a directory or symlink...

    def fixup(commit, metadata):
        # add to every commit
        commit.file_changes.append(fr.FileChange(b'M', args.destPath, fhash, fmode))

    # Filter everything
    fr_args = fr.FilteringOptions.parse_args(['--force', '--replace-refs', 'delete-no-add'])
    filter = fr.RepoFilter(fr_args, commit_callback=fixup)
    filter.run()


if __name__ == "__main__":
    main()
    sys.exit(0)