From 0221d5913ea26fde9493dadfbb265f2ff103124f Mon Sep 17 00:00:00 2001
From: Azat Bahawi <azat@bahawi.net>
Date: Sat, 30 Sep 2023 15:21:49 +0300
Subject: 2023-09-30

---
 packages/nixfiles.nix | 46 ++++++++++++++++++++++++++++++++--------------
 1 file changed, 32 insertions(+), 14 deletions(-)

(limited to 'packages/nixfiles.nix')

diff --git a/packages/nixfiles.nix b/packages/nixfiles.nix
index 9b16e84..b534e3c 100644
--- a/packages/nixfiles.nix
+++ b/packages/nixfiles.nix
@@ -1,8 +1,10 @@
 {
   git,
   jq,
+  lib,
   nix,
   openssh,
+  stdenv,
   symlinkJoin,
   writeShellApplication,
   writeTextDir,
@@ -11,13 +13,14 @@
   bin = writeShellApplication {
     name = "nixfiles";
 
-    runtimeInputs = [
-      git
-      jq
-      nix
-      openssh
-      xdg-utils
-    ];
+    runtimeInputs =
+      [
+        git
+        jq
+        nix
+        openssh
+      ]
+      ++ lib.optional (!stdenv.isDarwin) xdg-utils;
 
     # Shamelessly appropriated from https://github.com/ncfavier/config.
     # Hopefully Naïm will not sue me for copyright infrigment.
@@ -26,7 +29,7 @@
       cmd=$1
       shift
       case $cmd in
-          repl|eval|build|rev)
+          repl|eval|nix-build|rev)
               args=() flakeArgs=()
               for arg do case $arg in
                   -w|--wip)
@@ -39,10 +42,15 @@
               set -- "''${args[@]}"
               ;;&
           compare)
+              if command -v xdg-open >/dev/null; then
+                open="xdg-open"
+              else
+                open="open"
+              fi
               input=$1
               # shellcheck disable=SC1090
-              . <(nix flake metadata --json nixfiles | jq -r --arg input "$input" '
-                  def browse($url): @sh "xdg-open \($url)";
+              . <(nix flake metadata --json nixfiles | jq -r --arg open "$open" --arg input "$input" '
+                  def browse($url): @sh "$open \($url)";
                   .locks.nodes[$input] |
                   if .locked.type == "github" then
                       browse("https://github.com/\(.locked.owner)/\(.locked.repo)/compare/\(.locked.rev)...\(.original.ref // "master")")
@@ -78,13 +86,14 @@
           eval)
               exec nix eval "''${flakeArgs[@]}" -f ~/.nix-defexpr --json "$@" | jq -r .
               ;;
-          build)
+          nix-build)
               # https://github.com/NixOS/nix/issues/6661
               exec nix-build --log-format bar-with-logs "''${flakeArgs[@]}" ~/.nix-defexpr -A "$@"
               ;;
           specialise)
               name=$1
               shift
+              # Assumes that sudo is already configured. Has setuid baked in if needed and etc.
               exec sudo /run/current-system/specialisation/"$name"/bin/switch-to-configuration switch
               ;;
           revert)
@@ -96,6 +105,7 @@
               exec nix shell -v ".#$attr" "$@" -c home-manager-generation
               ;;
           @*)
+              # Assumes that hosts are configured in the OpenSSH configuration.
               host=''${cmd#@}
               hostname=$(ssh -q "$host" 'echo "$HOSTNAME"')
               exec nixos-rebuild -v --flake ".#$hostname" --target-host "$host" --use-remote-sudo "$@"
@@ -130,13 +140,13 @@
             if [[ $cur == @* ]]; then
                 _known_hosts_real -a -- "$cur"
             else
-                __compreply -W 'compare update repl eval bld specialise revert home build build-vm test switch boot'
+                __compreply -W 'compare update repl eval nix-build specialise revert home boot build build-vm build-vm-with-bootloader dry-activate dry-build edit switch test'
             fi
         else case ''${words[1]} in
             compare|update|rev)
                 __complete_nix_cmd "$cword" nix flake lock "$nixfiles" --update-input
                 ;;
-            repl|eval|bld)
+            repl|eval|nix-build)
                 compreply -W '-w --wip'
                 ;;&
             repl)
@@ -151,7 +161,7 @@
             home)
                 __complete_nix_cmd 2 nix shell "$nixfiles"
                 ;;
-            build|switch)
+            switch)
                 __complete_nix_cmd 2 nix build "$nixfiles"
                 ;;
         esac fi
@@ -161,5 +171,13 @@
 in
   symlinkJoin {
     name = "nixfiles";
+
     paths = [bin bashCompletion];
+
+    meta = with lib; {
+      description = "A helper utility to manage NixOS configurations with Nix flakes";
+      homepage = "https://git.azahi.cc/nixfiles";
+      license = licenses.wtfpl;
+      maintainers = with maintainers; [azahi];
+    };
   }
-- 
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