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| 1 | +use std::{ |
| 2 | + fs::File, |
| 3 | + io::{BufRead, BufReader}, |
| 4 | + thread, |
| 5 | + time::Duration, |
| 6 | +}; |
| 7 | + |
| 8 | +use cargo_registry_index::{Repository, RepositoryConfig}; |
| 9 | +use diesel::prelude::*; |
| 10 | +use indicatif::{ProgressBar, ProgressIterator, ProgressStyle}; |
| 11 | + |
| 12 | +use crate::{ |
| 13 | + admin::dialoguer, |
| 14 | + db, |
| 15 | + schema::{crates, dependencies, versions}, |
| 16 | +}; |
| 17 | + |
| 18 | +#[derive(clap::Parser, Debug, Copy, Clone)] |
| 19 | +#[clap( |
| 20 | + name = "import-cksum", |
| 21 | + about = "Import missing fields from git into the database" |
| 22 | +)] |
| 23 | +pub struct Opts { |
| 24 | + /// Time in milliseconds to sleep between crate updates to reduce database load. |
| 25 | + #[clap(long)] |
| 26 | + pause_millis: u64, |
| 27 | +} |
| 28 | + |
| 29 | +pub fn run(opts: Opts) -> anyhow::Result<()> { |
| 30 | + let conn = db::oneoff_connection().unwrap(); |
| 31 | + println!("fetching git repo"); |
| 32 | + let config = RepositoryConfig::from_environment(); |
| 33 | + let repo = Repository::open(&config)?; |
| 34 | + repo.reset_head()?; |
| 35 | + println!("HEAD is at {}", repo.head_oid()?); |
| 36 | + |
| 37 | + let files = repo.get_files_modified_since(None)?; |
| 38 | + println!("found {} crates", files.len()); |
| 39 | + if !dialoguer::confirm("continue?") { |
| 40 | + return Ok(()); |
| 41 | + } |
| 42 | + |
| 43 | + let pb = ProgressBar::new(files.len() as u64); |
| 44 | + pb.set_style(ProgressStyle::with_template("{bar:60} ({pos}/{len}, ETA {eta})").unwrap()); |
| 45 | + |
| 46 | + for file in files.iter().progress_with(pb) { |
| 47 | + thread::sleep(Duration::from_millis(opts.pause_millis)); |
| 48 | + |
| 49 | + let crate_name = file.file_name().unwrap().to_str().unwrap(); |
| 50 | + let path = repo.index_file(crate_name); |
| 51 | + if !path.exists() { |
| 52 | + continue; |
| 53 | + } |
| 54 | + let file = File::open(path)?; |
| 55 | + let reader = BufReader::new(file); |
| 56 | + for line in reader.lines() { |
| 57 | + let krate: cargo_registry_index::Crate = serde_json::from_str(&line?)?; |
| 58 | + conn.transaction(|| import_data(&conn, krate))?; |
| 59 | + } |
| 60 | + } |
| 61 | + |
| 62 | + Ok(()) |
| 63 | +} |
| 64 | + |
| 65 | +fn import_data(conn: &PgConnection, krate: cargo_registry_index::Crate) -> QueryResult<()> { |
| 66 | + let (version_id, checksum): (i32, Option<String>) = versions::table |
| 67 | + .inner_join(crates::table) |
| 68 | + .filter(crates::name.eq(&krate.name)) |
| 69 | + .filter(versions::num.eq(&krate.vers)) |
| 70 | + .select((versions::id, versions::checksum)) |
| 71 | + .first(conn)?; |
| 72 | + |
| 73 | + if checksum.is_none() { |
| 74 | + // Update the `checksum` and `links` fields. |
| 75 | + diesel::update(versions::table) |
| 76 | + .set(( |
| 77 | + versions::checksum.eq(&krate.cksum), |
| 78 | + versions::links.eq(&krate.links), |
| 79 | + )) |
| 80 | + .filter(versions::id.eq(version_id)) |
| 81 | + .execute(conn)?; |
| 82 | + // Update the `explicit_name` field for each dependency. |
| 83 | + for dep in &krate.deps { |
| 84 | + if let Some(package) = &dep.package { |
| 85 | + // This is a little tricky because there can be two identical deps in the |
| 86 | + // database. The only difference in git is the field we're trying to |
| 87 | + // fill (explicit_name). Using `first` here & filtering out existing `explicit_name` |
| 88 | + // entries ensure that we assign one explicit_name to each dep. |
| 89 | + let id: i32 = dependencies::table |
| 90 | + .inner_join(crates::table) |
| 91 | + .filter(dependencies::explicit_name.is_null()) |
| 92 | + .filter(dependencies::version_id.eq(version_id)) |
| 93 | + .filter(dependencies::req.eq(&dep.req)) |
| 94 | + .filter(dependencies::features.eq(&dep.features)) |
| 95 | + .filter(dependencies::optional.eq(&dep.optional)) |
| 96 | + .filter(dependencies::default_features.eq(&dep.default_features)) |
| 97 | + .filter(dependencies::target.is_not_distinct_from(&dep.target)) |
| 98 | + .filter(dependencies::kind.eq(dep.kind.map(|k| k as i32).unwrap_or_default())) |
| 99 | + .filter(crates::name.eq(package)) |
| 100 | + .select(dependencies::id) |
| 101 | + .first(conn)?; |
| 102 | + diesel::update(dependencies::table) |
| 103 | + .set(dependencies::explicit_name.eq(&dep.name)) |
| 104 | + .filter(dependencies::id.eq(id)) |
| 105 | + .execute(conn)?; |
| 106 | + } |
| 107 | + } |
| 108 | + } |
| 109 | + Ok(()) |
| 110 | +} |
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