You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: git_import.rs
    path of file: ./repos/crates.io/src/admin
    
    the code of the file until where you have to start completion: use std::{
    fs::File,
    io::{BufRead, BufReader},
    thread,
    time::Duration,
};

use anyhow::{anyhow, Context};
use crates_io_index::{Repository, RepositoryConfig};
use diesel::prelude::*;
use indicatif::{ProgressBar, ProgressIterator, ProgressStyle};

use crate::{
    admin::dialoguer,
    db,
    schema::{crates, versions},
};

#[derive(clap::Parser, Debug, Copy, Clone)]
#[command(
    name = "git-import",
    about = "Import missing fields from git into the database"
)]
pub struct Opts {
    /// Time in milliseconds to sleep between crate updates to reduce database load.
    #[arg(long)]
    delay: u64,
}

pub fn run(opts: Opts) -> anyhow::Result<()> {
    let mut conn = db::oneoff_connection()?;
    printl
    
fn import_data(conn: &mut PgConnection, krate: &crates_io_index::Crate) -> anyhow::Result<usize> {
    let version_id: i32 = versions::table
        .inner_join(crates::table)
        .filter(crates::name.eq(&krate.name))
        .filter(versions::num.eq(&krate.vers))
        .select(versions::id)
        .first(conn)
        .with_context(|| {
            format!(
                "Failed to find {}#{} in the database",
                krate.name, krate.vers
            )
        })?;

    // Update `links` fields.
    let rows = diesel::update(versions::table)
        .set((versions::links.eq(&krate.links),))
        .filter(versions::id.eq(version_id))
        .filter(versions::links.is_null())
        .execute(conn)
        .with_context(|| {
            format!(
                "Failed to update links of {}#{} (id: {version_id})",
                krate.name, krate.vers
            )
        })?;
    Ok(rows)
}