85 lines
2.7 KiB
Rust
85 lines
2.7 KiB
Rust
use vergen::{vergen, Config};
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fn main() {
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vergen(Config::default()).unwrap();
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#[cfg(feature = "mini-dashboard")]
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mini_dashboard::setup_mini_dashboard().expect("Could not load the mini-dashboard assets");
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}
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#[cfg(feature = "mini-dashboard")]
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mod mini_dashboard {
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use std::env;
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use std::fs::{create_dir_all, File, OpenOptions};
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use std::io::{Cursor, Read, Write};
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use std::path::PathBuf;
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use actix_web_static_files::resource_dir;
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use anyhow::Context;
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use cargo_toml::Manifest;
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use reqwest::blocking::get;
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use sha1::{Digest, Sha1};
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pub fn setup_mini_dashboard() -> anyhow::Result<()> {
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let cargo_manifest_dir = PathBuf::from(env::var("CARGO_MANIFEST_DIR").unwrap());
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let cargo_toml = cargo_manifest_dir.join("Cargo.toml");
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let out_dir = PathBuf::from(env::var("OUT_DIR").unwrap());
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let sha1_path = out_dir.join(".mini-dashboard.sha1");
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let dashboard_dir = out_dir.join("mini-dashboard");
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let manifest = Manifest::from_path(cargo_toml).unwrap();
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let meta = &manifest
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.package
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.as_ref()
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.context("package not specified in Cargo.toml")?
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.metadata
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.as_ref()
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.context("no metadata specified in Cargo.toml")?["mini-dashboard"];
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// Check if there already is a dashboard built, and if it is up to date.
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if sha1_path.exists() && dashboard_dir.exists() {
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let mut sha1_file = File::open(&sha1_path)?;
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let mut sha1 = String::new();
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sha1_file.read_to_string(&mut sha1)?;
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if sha1 == meta["sha1"].as_str().unwrap() {
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// Nothing to do.
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return Ok(());
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}
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}
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let url = meta["assets-url"].as_str().unwrap();
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let dashboard_assets_bytes = get(url)?.bytes()?;
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let mut hasher = Sha1::new();
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hasher.update(&dashboard_assets_bytes);
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let sha1 = hex::encode(hasher.finalize());
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assert_eq!(
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meta["sha1"].as_str().unwrap(),
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sha1,
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"Downloaded mini-dashboard shasum differs from the one specified in the Cargo.toml"
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);
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create_dir_all(&dashboard_dir)?;
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let cursor = Cursor::new(&dashboard_assets_bytes);
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let mut zip = zip::read::ZipArchive::new(cursor)?;
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zip.extract(&dashboard_dir)?;
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resource_dir(&dashboard_dir).build()?;
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// Write the sha1 for the dashboard back to file.
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let mut file = OpenOptions::new()
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.write(true)
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.create(true)
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.truncate(true)
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.open(sha1_path)?;
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file.write_all(sha1.as_bytes())?;
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file.flush()?;
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Ok(())
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}
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}
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