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    /*
    * Copyright (C) 2021  Aravinth Manivannan <realaravinth@batsense.net>
    *
    * This program is free software: you can redistribute it and/or modify
    * it under the terms of the GNU Affero General Public License as
    * published by the Free Software Foundation, either version 3 of the
    * License, or (at your option) any later version.
    *
    * This program is distributed in the hope that it will be useful,
    * but WITHOUT ANY WARRANTY; without even the implied warranty of
    * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    * GNU Affero General Public License for more details.
    *
    * You should have received a copy of the GNU Affero General Public License
    * along with this program.  If not, see <https://www.gnu.org/licenses/>.
    */
    use std::env;

    use lazy_static::lazy_static;

    mod data;
    mod settings;

    pub use data::Data;
    pub use settings::Settings;

    #[cfg(not(tarpaulin_include))]
    lazy_static! {
        #[cfg(not(tarpaulin_include))]
        pub static ref SETTINGS: Settings = Settings::new().unwrap();
    }

    #[cfg(not(tarpaulin_include))]
    #[actix_rt::main]
    async fn main() {
        let data = Data::new().await;

        for arg in env::args() {
            if arg == "--build" {
                println!("Building cache buster config");
                build();
            }
        }

        sqlx::migrate!("./migrations/").run(&data.db).await.unwrap();
    }

    fn build() {
        use std::process::Command;

        // note: add error checking yourself.
        let output = Command::new("git")
            .args(&["rev-parse", "HEAD"])
            .output()
            .unwrap();
        let git_hash = String::from_utf8(output.stdout).unwrap();
        println!("cargo:rustc-env=GIT_HASH={}", git_hash);

        let yml = include_str!("../openapi.yaml");
        let api_json: serde_json::Value = serde_yaml::from_str(yml).unwrap();
        println!(
            "cargo:rustc-env=OPEN_API_DOCS={}",
            serde_json::to_string(&api_json).unwrap()
        );
        cache_bust();
    }

    fn cache_bust() {
        use cache_buster::BusterBuilder;
        let types = vec![
            mime::IMAGE_PNG,
            mime::IMAGE_SVG,
            mime::IMAGE_JPEG,
            mime::IMAGE_GIF,
            mime::APPLICATION_JAVASCRIPT,
            mime::TEXT_CSS,
        ];

        let config = BusterBuilder::default()
            .source("./static-assets")
            .result("./static")
            .mime_types(types)
            .copy(true)
            .follow_links(true)
            .build()
            .unwrap();

        config.process().unwrap();
    }