Add support for a Raker config

.gitignore

@@ -1,4 +1,6 @@
 
-.idea
-data/cf_ips.txt
-data
+/.idea
+/data/cf_ips.txt
+/data
+/qp_raker.toml
+.*.swp

Cargo.lock

@@ -2200,6 +2200,7 @@ dependencies = [
  "serde_bare",
  "sitemap",
  "tokio",
+ "toml",
 ]
 
 [[package]]
@@ -2889,6 +2890,15 @@ dependencies = [
  "tokio",
 ]
 
+[[package]]
+name = "toml"
+version = "0.5.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a31142970826733df8241ef35dc040ef98c679ab14d7c3e54d827099b3acecaa"
+dependencies = [
+ "serde",
+]
+
 [[package]]
 name = "tower-service"
 version = "0.3.1"

quickpeep_raker/Cargo.toml

@@ -22,6 +22,8 @@ html5ever = "0.25.1"
 serde = { version = "1.0.136", features = ["derive"] }
 serde_bare = "0.5.0"
 
+toml = "0.5.8"
+
 ### Dates
 chrono = "0.4.19"
 

quickpeep_raker/src/bin/qp-seeds.rs

@@ -0,0 +1,31 @@
+use clap::Parser;
+
+use env_logger::Env;
+
+use anyhow::Context;
+use std::path::PathBuf;
+
+use quickpeep_raker::config;
+
+/// Seeds a raker's queue with URLs
+#[derive(Clone, Debug, Parser)]
+pub struct Opts {
+    #[clap(long = "config")]
+    config: Option<PathBuf>,
+}
+
+#[tokio::main]
+pub async fn main() -> anyhow::Result<()> {
+    env_logger::Builder::from_env(Env::default().default_filter_or("info,quickpeep=debug")).init();
+
+    let opts: Opts = Opts::parse();
+
+    let config_path = opts
+        .config
+        .unwrap_or_else(|| PathBuf::from("qp_raker.toml"));
+    let config = config::RakerConfig::load(&config_path).context("Failed to load config")?;
+
+    eprintln!("{:#?}", config);
+
+    Ok(())
+}

quickpeep_raker/src/config.rs

@@ -0,0 +1,37 @@
+use anyhow::Context;
+use serde::{Deserialize, Serialize};
+use std::path::{Path, PathBuf};
+
+#[derive(Serialize, Deserialize, Debug, Clone)]
+/// Config for a raker. All paths are relative to the config file if needed, but will be resolved
+/// when loading.
+pub struct RakerConfig {
+    /// Path to data files
+    data_dir: PathBuf,
+
+    /// Path to seeds
+    seed_dir: PathBuf,
+
+    /// Path to the raker's workbench (queue etc)
+    workbench_dir: PathBuf,
+
+    /// Directory where new rake packs will be emitted
+    emit_dir: PathBuf,
+}
+
+impl RakerConfig {
+    /// Loads a config at the specified path.
+    /// Will resolve all the paths in the RakerConfig for you.
+    pub fn load(path: &Path) -> anyhow::Result<RakerConfig> {
+        let config_dir = path.parent().context("Can't get parent of config file.")?;
+        let bytes = std::fs::read(path)?;
+        let mut raker_config: RakerConfig = toml::from_slice(&bytes)?;
+
+        raker_config.data_dir = config_dir.join(raker_config.data_dir);
+        raker_config.seed_dir = config_dir.join(raker_config.seed_dir);
+        raker_config.workbench_dir = config_dir.join(raker_config.workbench_dir);
+        raker_config.emit_dir = config_dir.join(raker_config.emit_dir);
+
+        Ok(raker_config)
+    }
+}

quickpeep_raker/src/lib.rs

@@ -1,4 +1,6 @@
 pub mod raking;
 
+pub mod config;
+
 #[cfg(test)]
 mod test;