Add Nix derivation

README.md

@@ -22,23 +22,10 @@ This program is heavily inspired by Shotwell's backup feature. I actually used t
 
 ## Usage
 
-Overall:
+Send the files you want to backup via stdin, then point picobak to the directory where you archive your pictures:
+
+E.G:
 
 ```txt
-Usage: pictures-backup [OPTIONS] <BACKUP_ROOT> <FILE_PATH>
-
-Arguments:
-  <BACKUP_ROOT>  Pictures library directory
-  <FILE_PATH>    Picture to backup
-
-Options:
-  -d, --dry-run  Do not create any directory or copy any file. Only prints out the operations it would perform
-  -h, --help     Print help
-  -V, --version  Print version
-```
-
-For instance:
-
-```txt
-ls dir-containing-pictures/* | picobak /my/pic-backup-root/
+ls /tmp/Sync2/* | picobak ~/nas/Photos-Video
 ```

default.nix

@@ -0,0 +1,11 @@
+{ pkgs ? import <nixpkgs> {}, lib ? pkgs.lib }:
+
+pkgs.rustPlatform.buildRustPackage {
+  pname = "picobak";
+  version = "0.1.0";
+  src = lib.cleanSource ./.;
+  cargoHash = "sha256-gytrsYdL9WuxJDZBaK/w+1KLmAKKBD711efHTzQqs4o=";
+  meta = {
+    description = "Backup and organize your pictures library";
+  };
+}

src/main.rs

@@ -15,7 +15,8 @@ use rayon::prelude::*;
 struct CliArgs {
     /// Pictures library directory
     backup_root: String,
-    /// Picture to backup
+    /// Picture to backup. Alternatively, you can send a list of
+    /// pictures to backup via stdin.
     file_path: Option<String>,
 }