diff --git a/src/lib.rs b/src/lib.rs
new file mode 100644
index 0000000..0df8b02
--- /dev/null
+++ b/src/lib.rs
@@ -0,0 +1,65 @@
+use std::path::PathBuf;
+
+use clap::{Args, Parser, Subcommand};
+
+mod bindings;
+mod cli;
+mod make_nar;
+mod path_info;
+pub mod push;
+pub mod store;
+mod uploader;
+
+#[derive(Parser, Debug)]
+#[command(version)]
+#[command(name = "nixcp")]
+#[command(about = "Upload store paths to a s3 binary cache")]
+#[command(long_about = None)]
+pub struct Cli {
+    #[command(subcommand)]
+    pub command: Commands,
+
+    /// Whether to enable tokio-console
+    #[arg(long)]
+    pub tokio_console: bool,
+}
+
+#[derive(Debug, Subcommand)]
+pub enum Commands {
+    #[command(arg_required_else_help = true)]
+    Push(PushArgs),
+}
+
+#[derive(Debug, Args)]
+pub struct PushArgs {
+    /// The s3 bucket to upload to
+    #[arg(long, value_name = "bucket name")]
+    bucket: String,
+
+    /// Upstream cache to check against. Can be specified multiple times.
+    /// cache.nixos.org is always included.
+    #[arg(long = "upstream", short, value_name = "nixcache.example.com")]
+    upstreams: Vec<String>,
+
+    /// Path to the file containing signing key
+    /// e.g. ~/cache-priv-key.pem
+    #[arg(long)]
+    signing_key: String,
+
+    /// If unspecified, will get it form AWS_DEFAULT_REGION envar or default to us-east-1
+    #[arg(long)]
+    region: Option<String>,
+
+    /// If unspecifed, will get it from AWS_ENDPOINT envar
+    /// e.g. https://s3.example.com
+    #[arg(long)]
+    endpoint: Option<String>,
+
+    #[arg(long)]
+    skip_signature_check: bool,
+
+    /// Path to upload
+    /// e.g. ./result or /nix/store/y4qpcibkj767szhjb58i2sidmz8m24hb-hello-2.12.1
+    #[arg(value_name = "PATH")]
+    pub paths: Vec<PathBuf>,
+}
diff --git a/src/main.rs b/src/main.rs
index 0fefdf5..1afe4b6 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,76 +1,10 @@
-#![feature(let_chains)]
-#![feature(exit_status_error)]
-
-use std::path::PathBuf;
-
 use anyhow::{Context, Result};
-use clap::{Args, Parser, Subcommand};
+use clap::Parser;
 use tracing_subscriber::{EnvFilter, prelude::*};
 
-use push::Push;
-use store::Store;
-
-mod bindings;
-mod cli;
-mod make_nar;
-mod path_info;
-mod push;
-mod store;
-mod uploader;
-
-#[derive(Parser, Debug)]
-#[command(version)]
-#[command(name = "nixcp")]
-#[command(about = "Upload store paths to a s3 binary cache")]
-#[command(long_about = None)]
-struct Cli {
-    #[command(subcommand)]
-    command: Commands,
-
-    /// Whether to enable tokio-console
-    #[arg(long)]
-    tokio_console: bool,
-}
-
-#[derive(Debug, Subcommand)]
-enum Commands {
-    #[command(arg_required_else_help = true)]
-    Push(PushArgs),
-}
-
-#[derive(Debug, Args)]
-pub struct PushArgs {
-    /// The s3 bucket to upload to
-    #[arg(long, value_name = "bucket name")]
-    bucket: String,
-
-    /// Upstream cache to check against. Can be specified multiple times.
-    /// cache.nixos.org is always included.
-    #[arg(long = "upstream", short, value_name = "nixcache.example.com")]
-    upstreams: Vec<String>,
-
-    /// Path to the file containing signing key
-    /// e.g. ~/cache-priv-key.pem
-    #[arg(long)]
-    signing_key: String,
-
-    /// If unspecified, will get it form AWS_DEFAULT_REGION envar or default to us-east-1
-    #[arg(long)]
-    region: Option<String>,
-
-    /// If unspecifed, will get it from AWS_ENDPOINT envar
-    /// e.g. https://s3.example.com
-    #[arg(long)]
-    endpoint: Option<String>,
-
-    #[arg(long)]
-    skip_signature_check: bool,
-
-    /// Path to upload
-    /// e.g. ./result or /nix/store/y4qpcibkj767szhjb58i2sidmz8m24hb-hello-2.12.1
-    #[arg(value_name = "PATH")]
-    paths: Vec<PathBuf>,
-}
+use nixcp::push::Push;
+use nixcp::store::Store;
+use nixcp::{Cli, Commands};
 
 #[tokio::main]
 async fn main() -> Result<()> {