Restructure crate layout for testing purposes

Cargo.toml

@@ -1,14 +1,21 @@
-[package]
+[workspace.package]
 name = "genealogos"
+description = "Converts Nix-tracing tool output into CycloneDX"
 version = "0.1.0"
 edition = "2021"
 authors = ["Tweag I/O"]
 
-# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+[workspace]
+members = ["genealogos", "genealogos-cli"]
 
-[dependencies]
+[workspace.dependencies]
 clap = { version = "4.4.14", features = ["derive"] }
+log = "0.4"
 serde = { version = "1.0", features = ["derive"] }
 serde-cyclonedx = "0.8"
 serde_json = "1.0"
 uuid = { version = "1.6", features = ["v4"] }
+
+env_logger = "0.10"
+predicates = "3.1"
+test-log = "0.2"

flake.nix

@@ -23,8 +23,8 @@
         packages = {
           default = naersk-lib.buildPackage {
             src = ./.;
+            doCheck = true;
           };
-          inherit cyclonedx;
         };
         devShells = {
           default =

genealogos-cli/Cargo.toml

@@ -0,0 +1,14 @@
+[package]
+name = "genealogos-cli"
+description.workspace = true
+version.workspace = true
+edition.workspace = true
+authors.workspace = true
+
+[[bin]]
+name = "genealogos"
+path = "src/main.rs"
+
+[dependencies]
+clap = { workspace = true }
+genealogos = { path = "../genealogos" }

genealogos-cli/src/main.rs

@@ -0,0 +1,25 @@
+use std::fs::File;
+use std::io::{self, BufRead};
+use std::path::PathBuf;
+
+use clap::Parser;
+
+use genealogos::genealogos;
+
+#[derive(Parser, Debug)]
+#[command(author, version, about, long_about = None)]
+struct Args {
+    file: PathBuf,
+}
+
+fn main() -> Result<(), io::Error> {
+    let args = Args::parse();
+
+    let file = File::open(args.file)?;
+
+    let json_out = genealogos(io::BufReader::new(file).lines().flatten());
+
+    println!("{}", json_out);
+
+    Ok(())
+}

genealogos/Cargo.toml

@@ -0,0 +1,19 @@
+[package]
+name = "genealogos"
+description.workspace = true
+version.workspace = true
+edition.workspace = true
+authors.workspace = true
+
+[dependencies]
+clap = { workspace = true }
+log = { workspace = true }
+serde = { workspace = true }
+serde-cyclonedx = { workspace = true }
+serde_json = { workspace = true }
+uuid = { workspace = true }
+
+[dev-dependencies]
+env_logger = { workspace = true }
+predicates = { workspace = true }
+test-log = { workspace = true }