From 745896c85a0de275ebb6e3358f4a1cecc38a5e1c Mon Sep 17 00:00:00 2001
From: Chris Dawkins <dawkins.chris.dev@gmail.com>
Date: Wed, 23 Aug 2023 13:01:50 -0600
Subject: [PATCH] init nix scripts (#584)

Commands for working with nix package manager.
---
 modules/nix/README.md | 26 ++++++++++++++++++++++++++
 modules/nix/nix.nu    | 18 ++++++++++++++++++
 2 files changed, 44 insertions(+)
 create mode 100644 modules/nix/README.md
 create mode 100644 modules/nix/nix.nu

diff --git a/modules/nix/README.md b/modules/nix/README.md
new file mode 100644
index 0000000..1925759
--- /dev/null
+++ b/modules/nix/README.md
@@ -0,0 +1,26 @@
+# Nix
+
+Commands for working with [nix](https://nixos.org/).
+
+### ns
+Shorthand search (`nix search nixpkgs ...`) with much nicer output.
+```shell
+❯ > nix search nixpkgs diesel
+* legacyPackages.x86_64-linux.diesel-cli (2.1.0)
+  Database tool for working with Rust projects that use Diesel
+
+* legacyPackages.x86_64-linux.diesel-cli-ext (0.3.13)
+  Provides different tools for projects using the diesel_cli
+```
+```shell
+❯ > ns diesel
+╭───┬────────────────┬──────────────────────────────────────────────────────────────┬─────────╮
+│ # │    package     │                         description                          │ version │
+├───┼────────────────┼──────────────────────────────────────────────────────────────┼─────────┤
+│ 0 │ diesel-cli     │ Database tool for working with Rust projects that use Diesel │ 2.1.0   │
+│ 1 │ diesel-cli-ext │ Provides different tools for projects using the diesel_cli   │ 0.3.13  │
+├───┼────────────────┼──────────────────────────────────────────────────────────────┼─────────┤
+│ # │    package     │                         description                          │ version │
+╰───┴────────────────┴──────────────────────────────────────────────────────────────┴─────────╯
+```
+
diff --git a/modules/nix/nix.nu b/modules/nix/nix.nu
new file mode 100644
index 0000000..07dcc8a
--- /dev/null
+++ b/modules/nix/nix.nu
@@ -0,0 +1,18 @@
+# Search nixpkgs and provide table output
+export def ns [
+    term: string # Search target.
+] {
+
+    let info = (
+        sysctl -n kernel.arch kernel.ostype
+        | lines
+        | {arch: ($in.0|str downcase), ostype: ($in.1|str downcase)}
+    )
+
+    nix search --json nixpkgs $term
+        | from json
+        | transpose package description
+        | flatten
+        | select package description version
+        | update package {|row| $row.package | str replace $"legacyPackages.($info.arch)-($info.ostype)." ""}
+}