Remove format version from dump metadata.

Author: smarnach

src/tasks/dump_db.rs

@@ -65,13 +65,11 @@ impl DumpDirectory {
         struct Metadata<'a> {
             timestamp: &'a chrono::DateTime<chrono::Utc>,
             crates_io_commit: String,
-            format_version: &'static str,
         }
         let metadata = Metadata {
             timestamp: &self.timestamp,
             crates_io_commit: dotenv::var("HEROKU_SLUG_COMMIT")
                 .unwrap_or_else(|_| "unknown".to_owned()),
-            format_version: "0.1",
         };
         let file = File::create(self.export_dir.join("metadata.json"))?;
         serde_json::to_writer_pretty(file, &metadata)?;

src/tasks/dump_db/readme_for_tarball.md

@@ -4,16 +4,16 @@ This is a dump of the public information in the crates.io database.
 
 ## Files
 
-* `data/` – the CSV files with the actual dump data.
+* `data/` – the CSV files with the actual data.
 * `export.sql` – the `psql` script that was used to create this database dump. It is only included in the archive for reference.
 * `import.sql` – a `psql` script that can be used to restore the dump into a PostgreSQL database with the same schema as the `crates.io` database, destroying all current data.
 * `metadata.json` – some metadata of this dump.
+* `schema.sql` – a dump of the database schema to facilitate generating a new database from the data.
 
 ## Metadata Fields
 
 * `timestamp` – the UTC time the dump was started.
 * `crates_io_commit` – the git commit hash of the deployed version of crates.io that created this dump.
-* `format_version` – the version of the layout and format of this dump. Roughly follows SemVer conventions.
 
 ## Restoring to a Local crates.io Database