Create config system

Cargo.lock

  "ucd-util 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "serde"
+version = "1.0.80"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "strsim"
 version = "0.7.0"
  "fs_extra 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "regex 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "toml 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "uuid 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "toml"
+version = "0.4.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "serde 1.0.80 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "twoway"
 version = "0.1.8"
 "checksum redox_termios 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "7e891cfe48e9100a70a3b6eb652fef28920c117d366339687bd5576160db0f76"
 "checksum regex 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)" = "ee84f70c8c08744ea9641a731c7fadb475bf2ecc52d7f627feb833e0b3990467"
 "checksum regex-syntax 0.6.3 (registry+https://github.com/rust-lang/crates.io-index)" = "fbc557aac2b708fe84121caf261346cc2eed71978024337e42eb46b8a252ac6e"
+"checksum serde 1.0.80 (registry+https://github.com/rust-lang/crates.io-index)" = "15c141fc7027dd265a47c090bf864cf62b42c4d228bbcf4e51a0c9e2b0d3f7ef"
 "checksum strsim 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "bb4f380125926a99e52bc279241539c018323fab05ad6368b56f93d9369ff550"
 "checksum syn 0.11.11 (registry+https://github.com/rust-lang/crates.io-index)" = "d3b891b9015c88c576343b9b3e41c2c11a51c219ef067b264bd9c8aa9b441dad"
 "checksum synom 0.11.3 (registry+https://github.com/rust-lang/crates.io-index)" = "a393066ed9010ebaed60b9eafa373d4b1baac186dd7e008555b0f702b51945b6"
 "checksum termion 1.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "689a3bdfaab439fd92bc87df5c4c78417d3cbe537487274e9b0b2dce76e92096"
 "checksum textwrap 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)" = "307686869c93e71f94da64286f9a9524c0f308a9e1c87a583de8e9c9039ad3f6"
 "checksum thread_local 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)" = "c6b53e329000edc2b34dbe8545fd20e55a333362d0a321909685a19bd28c3f1b"
+"checksum toml 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)" = "4a2ecc31b0351ea18b3fe11274b8db6e4d82bce861bbb22e6dbed40417902c65"
 "checksum twoway 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)" = "59b11b2b5241ba34be09c3cc85a36e56e48f9888862e19cedf23336d35316ed1"
 "checksum typed-arena 1.4.1 (registry+https://github.com/rust-lang/crates.io-index)" = "c6c06a92aef38bb4dc5b0df00d68496fc31307c5344c867bb61678c6e1671ec5"
 "checksum ucd-util 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "535c204ee4d8434478593480b8f86ab45ec9aae0e83c568ca81abf0fd0e88f86"

Cargo.toml

 fs_extra = "1.1.0"
 lazy_static = "1.2.0"
 regex = "1"
+toml = "0.4.8"
 uuid = { version = "0.7", features = ["v4"] }

src/config.rs

+pub struct Config {
+    pub site_name: String,
+}

src/main.rs

 #[macro_use]
 extern crate lazy_static;
 extern crate regex;
+extern crate toml;
 extern crate uuid;
 
 use std::{env, fs};
 
 use clap::{App, Arg};
 use fs_extra::dir;
+use toml::Value;
 
+use config::Config;
 use post::{parse_post, read_posts_dir};
 use write::{write_post, write_post_listing};
 
+mod config;
 mod post;
 mod render;
 mod write;
 
 fn build() {
     let cwd = env::current_dir().expect("Couldn't read current directory");
+    let config = match fs::read_to_string(cwd.join("tlon.toml")) {
+        Ok(contents) => match contents.parse::<Value>() {
+            Ok(config) => Config {
+                site_name: String::from(config["site_name"].as_str().unwrap()),
+            },
+            Err(_) => panic!("Invalid tlon.toml"),
+        },
+        Err(_) => {
+            panic!("Can't find tlon.toml");
+        }
+    };
 
     match fs::read_dir(cwd.join("public")) {
         Ok(_) => {
     let project_path = cwd.join(name);
 
     fs::create_dir(&project_path).expect(&format!("Couldn't create directory '{}'", &name));
+    fs::write(
+        project_path.join("tlon.toml"),
+        format!("site_name = \"{}\"", &name),
+    ).expect("Could not create tlon.toml");
 
     for dir in &["posts", "public", "templates", "css", "js"] {
         fs::create_dir(&project_path.join(&dir))
             "",
             fs::read_to_string(&project_dir.join("js").join("index.js")).unwrap()
         );
+        assert_eq!(
+            format!("site_name = \"{}\"", &uuid),
+            fs::read_to_string(&project_dir.join("tlon.toml")).unwrap()
+        );
 
         fs::remove_dir_all(project_dir).unwrap();
     }
             project_dir.join("posts").join("first-post.md"),
             "# First post\n\nThis is the first post\n\nIt has multiple paragraphs",
         ).unwrap();
+        fs::write(project_dir.join("tlon.toml"), "site_name = \"Test Site\"").unwrap();
 
         build();