73 lines
2.6 KiB
Rust
73 lines
2.6 KiB
Rust
// Diesel causes many warnings of the following kind. I expect this to be
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// fixed in a future release of Diesel. Currently used version of Diesel is
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// 1.3.0.
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#![allow(proc_macro_derive_resolution_fallback)]
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#[macro_use] extern crate quote;
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#[macro_use] extern crate diesel;
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extern crate diesel_migrations;
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extern crate walkdir;
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use diesel::Connection;
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use diesel::prelude::*;
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use std::env;
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use std::fs::File;
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use std::io::prelude::*;
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use std::path::Path;
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use walkdir::WalkDir;
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#[allow(dead_code)]
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mod sqlfunc {
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use diesel::sql_types::Text;
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sql_function!(fn markdown_to_fts(text: Text) -> Text);
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sql_function!(fn theme_from_str_hash(text: Text) -> Text);
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}
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fn main() {
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let out_dir = env::var("OUT_DIR").expect("cargo must set OUT_DIR");
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let db_path = Path::new(&out_dir).join("build.db");
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let db_path = db_path.to_str().expect("Will only work for Unicode-representable paths");
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let _ignore_failure = std::fs::remove_file(db_path);
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let connection = SqliteConnection::establish(db_path)
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.expect(&format!("Error esablishing a database connection to {}", db_path));
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// Integer is a dummy placeholder. Compiling fails when passing ().
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diesel::expression::sql_literal::sql::<(diesel::sql_types::Integer)>("PRAGMA foreign_keys = ON")
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.execute(&connection)
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.expect("Should be able to enable foreign keys");
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sqlfunc::markdown_to_fts::register_impl(&connection, |_: String| -> String { unreachable!() }).unwrap();
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sqlfunc::theme_from_str_hash::register_impl(&connection, |_: String| -> String { unreachable!() }).unwrap();
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diesel_migrations::run_pending_migrations(&connection).unwrap();
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let infer_schema_path = Path::new(&out_dir).join("infer_schema.rs");
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let mut file = File::create(infer_schema_path).expect("Unable to open file for writing");
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file.write_all(quote! {
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mod __diesel_infer_schema_articles {
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infer_table_from_schema!(#db_path, "articles");
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}
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pub use self::__diesel_infer_schema_articles::*;
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mod __diesel_infer_schema_article_revisions {
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infer_table_from_schema!(#db_path, "article_revisions");
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}
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pub use self::__diesel_infer_schema_article_revisions::*;
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}.as_str().as_bytes()).expect("Unable to write to file");
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for entry in WalkDir::new("migrations").into_iter().filter_map(|e| e.ok()) {
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println!("cargo:rerun-if-changed={}", entry.path().display());
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}
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// For build_config.rs
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for env_var in &[
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"CONTINUOUS_INTEGRATION",
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"TRAVIS_BRANCH",
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"TRAVIS_COMMIT",
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] {
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println!("cargo:rerun-if-env-changed={}", env_var);
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}
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}
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