Bazel rule to create a git repo dynamically

git.bzl

load("@aspect_bazel_lib//lib:copy_file.bzl", "COPY_FILE_TOOLCHAINS", "copy_file_action")

def _adhoc_git_repository_impl(ctx):
    copied_files = []

    for s in ctx.files.srcs:
        if not s.is_source:
            continue  # fix if needed

        f = ctx.actions.declare_file(ctx.label.name + "/" + s.path)
        copy_file_action(ctx, s, f)
        copied_files.append(f)

    dotgit = ctx.actions.declare_directory(ctx.label.name + "/.git")

    ctx.actions.run_shell(
        inputs = copied_files,
        outputs = [dotgit],
        command = """cd {dir} &&
            git init &&
            git add . &&
            git config user.email [email protected] &&
            git config user.name testuser &&
            git commit -m testcommit""".format(dir = dotgit.dirname),
    )

    #    return DefaultInfo(files = depset(direct = copied_files + [dotgit]))
    return DefaultInfo(files = depset(direct = [dotgit]))

adhoc_git_repository = rule(
    implementation = _adhoc_git_repository_impl,
    attrs = {
        "srcs": attr.label_list(
            allow_files = True,
        ),
    },
    toolchains = COPY_FILE_TOOLCHAINS,
)