From 2b83a3f6b808cce5057a96e3911bf17ef4e0b68e Mon Sep 17 00:00:00 2001
From: stuebinm
Date: Fri, 7 May 2021 23:58:55 +0200
Subject: nixos zoom iso: some comments on what this is

---
 nixos-iso/zoom-iso.nix | 23 +++++++++++++++++++----
 1 file changed, 19 insertions(+), 4 deletions(-)

diff --git a/nixos-iso/zoom-iso.nix b/nixos-iso/zoom-iso.nix
index 28a44a5..74b1e8d 100644
--- a/nixos-iso/zoom-iso.nix
+++ b/nixos-iso/zoom-iso.nix
@@ -1,21 +1,36 @@
+# This generates a NixOS-based ISO image for use in situations
+# when a zoom-based meeting is unavoidable.
+#
+# Build it with:
+#   nix-build zoom-iso.nix
+# Then use `dd` or similar to push it onto a usb flash drive and
+# boot from it (assumes a x86-64 system).
+#
+# It uses the gnome shell, since I'm familiar with it and zoom
+# likes throwing lots of windows around that irritate most tiling
+# window managers I've tried.
+
+{pkgPath ? <nixpkgs>, ...}:
 
 let
   config = { config, lib, pkgs, ... }: {
     imports = [
-      (<nixpkgs> + "/nixos/modules/installer/cd-dvd/installation-cd-graphical-gnome.nix")
+      ("${pkgPath}/nixos/modules/installer/cd-dvd/installation-cd-graphical-gnome.nix")
     ];
 
     environment.systemPackages = with pkgs; [
+      # as fallback for the zoom app
       chromium
+      # the zoom app
       zoom-us
       # for censoring screenshots of meetings when
       # screensharing doesn't work.
       gimp
-      # generally useful utilities
+      # generally useful utilities if things break
       inetutils
       dnsutils
       htop iftop
-      # for gnome
+      # useful if gnome is weird
       gnome3.gnome-tweaks
     ];
 
@@ -32,7 +47,7 @@ let
     nixpkgs.config.allowUnfree = true;
 
   };
-  nixlib = import (<nixpkgs> + "/nixos/default.nix") {
+  nixlib = import ("${pkgPath}/nixos/default.nix") {
     configuration = config;
   };
 in nixlib.config.system.build.isoImage
-- 
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