From 9677ef8ecd37ce2b9b44fc31fde2fbd50e68369f Mon Sep 17 00:00:00 2001
From: Oliver Davies <oliver@oliverdavies.dev>
Date: Mon, 8 Jul 2024 19:20:17 +0100
Subject: [PATCH] Replace `justfile` with `run`

---
 flake.nix |  2 +-
 justfile  | 34 ------------------------------
 run       | 63 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 64 insertions(+), 35 deletions(-)
 delete mode 100644 justfile
 create mode 100755 run

diff --git a/flake.nix b/flake.nix
index 73bc019..8900756 100644
--- a/flake.nix
+++ b/flake.nix
@@ -33,7 +33,7 @@
       inherit (pkgs) mkShell;
     in
     {
-      packages.${system}.default = mkShell { buildInputs = with pkgs; [ just ]; };
+      packages.${system}.default = mkShell { buildInputs = with pkgs; [ bashInteractive ]; };
 
       formatter.${system} = pkgs.nixfmt-rfc-style;
 
diff --git a/justfile b/justfile
deleted file mode 100644
index 86c5bd4..0000000
--- a/justfile
+++ /dev/null
@@ -1,34 +0,0 @@
-_default:
-    just --list
-
-check:
-    nix flake check
-
-fmt:
-    nix fmt flake.nix lib
-
-nixos-build *args:
-    sudo nixos-rebuild build --flake . {{ args }}
-
-nixos-switch *args:
-    sudo nixos-rebuild switch --flake . {{ args }}
-
-nixos-test *args:
-    sudo nixos-rebuild test --flake . {{ args }}
-
-update:
-    nix flake update
-
-wsl-build:
-    NIXPKGS_ALLOW_UNFREE=1 home-manager build \
-      --extra-experimental-features flakes \
-      --extra-experimental-features nix-command \
-      --flake ".#wsl2" \
-      --impure
-
-wsl-switch:
-    NIXPKGS_ALLOW_UNFREE=1 home-manager switch \
-      --extra-experimental-features flakes \
-      --extra-experimental-features nix-command \
-      --flake ".#wsl2" \
-      --impure
diff --git a/run b/run
new file mode 100755
index 0000000..3b90fb2
--- /dev/null
+++ b/run
@@ -0,0 +1,63 @@
+#!/usr/bin/env bash
+
+set -o errexit
+set -o nounset
+set -o pipefail
+
+function check {
+  nix flake check
+}
+
+function help {
+  printf "%s <task> [args]\n\nTasks:\n" "$0"
+
+  compgen -A function | grep -v "^_" | cat -n
+
+  printf "\nExtended help:\n  Each task has comments for general usage\n"
+}
+
+function nixos:build {
+  _nixos build "$@"
+}
+
+function nixos:switch {
+  _nixos switch "$@"
+}
+
+function nixos:test {
+  _nixos test "$@"
+}
+
+function update {
+  nix flake update
+}
+
+function wsl:build {
+  _home build wsl2
+}
+
+function wsl:switch {
+  _home switch wsl2
+}
+
+function _home {
+  local command="$1"
+  local flake="$2"
+  shift 2
+
+  NIXPKGS_ALLOW_UNFREE=1 home-manager "$command" \
+    --extra-experimental-features flakes \
+    --extra-experimental-features nix-command \
+    --flake ".#$flake" \
+    --impure "$@"
+}
+
+function _nixos {
+  local command="$1"
+  shift 1
+
+  sudo nixos-rebuild "$command" --flake . "$@"
+}
+
+TIMEFORMAT=$'\nTask completed in %3lR'
+time "${@:-help}"