WIP: guix-on-nixos post

1 files changed, 48 insertions, 0 deletions

diff --git a/site/posts/2018-07-15-running-guix-on-nixos.org b/site/posts/2018-07-15-running-guix-on-nixos.org
index c21ee84..ebf5400 100644
--- a/site/posts/2018-07-15-running-guix-on-nixos.org
+++ b/site/posts/2018-07-15-running-guix-on-nixos.org
@@ -2,3 +2,51 @@
 title: Running Guix on NixOS
 date: 2018-07-15
 ---
+https://riot.im/app/#/room/#freenode_#guix:matrix.org/$1531510045400627zjGbq:matrix.org
+* h1
+** h2
+#+BEGIN_SRC nix -n
+  # FIXME: add line number
+  { config, pkgs, ...}:
+
+  {
+
+    # NixOS usual config
+
+    users = {
+      mutableUsers = false;
+
+      extraUsers =
+        let
+          andrehUser =  {
+            andreh = {
+              # my custom user config
+            };
+          };
+          # From the Guix manual:
+          # https://www.gnu.org/software/guix/manual/en/html_node/Build-Environment-Setup.html#Build-Environment-Setup
+          buildUser = (i:
+            {
+              "guixbuilder${i}" = {                   # guixbuilder$i
+                group = "guixbuild";                  # -g guixbuild
+                extraGroups = ["guixbuild"];          # -G guixbuild
+                home = "/var/empty";                  # -d /var/empty
+                shell = pkgs.nologin;                 # -s `which nologin`
+                description = "Guix build user ${i}"; # -c "Guix buid user $i"
+                isSystemUser = true;                  # --system
+              };
+            }
+          );
+        in
+          # merge all users
+          pkgs.lib.fold (str: acc: acc // buildUser str)
+                        andrehUser
+                        # for i in `seq -w 1 10`
+                        (map (pkgs.lib.fixedWidthNumber 2) (builtins.genList (n: n+1) 10));
+
+      extraGroups.guixbuild = {
+        name = "guixbuild";
+      };
+    };
+  }
+#+END_SRC