From 020c1e77489b772f854bb3288b9c8d2818a6bf9d Mon Sep 17 00:00:00 2001
From: EuAndreh <eu@euandre.org>
Date: Fri, 18 Apr 2025 02:17:12 -0300
Subject: git mv src/content/* src/content/en/

---
 .../pastebins/2018/07/13/guix-nixos-systemd.adoc   | 22 ++++++++++++
 .../en/pastebins/2018/07/13/guixbuilder-nixos.adoc | 42 ++++++++++++++++++++++
 .../en/pastebins/2018/07/13/guixbuilder.adoc       | 14 ++++++++
 .../en/pastebins/2018/07/13/nix-strpad.adoc        |  8 +++++
 4 files changed, 86 insertions(+)
 create mode 100644 src/content/en/pastebins/2018/07/13/guix-nixos-systemd.adoc
 create mode 100644 src/content/en/pastebins/2018/07/13/guixbuilder-nixos.adoc
 create mode 100644 src/content/en/pastebins/2018/07/13/guixbuilder.adoc
 create mode 100644 src/content/en/pastebins/2018/07/13/nix-strpad.adoc

(limited to 'src/content/en/pastebins/2018/07/13')

diff --git a/src/content/en/pastebins/2018/07/13/guix-nixos-systemd.adoc b/src/content/en/pastebins/2018/07/13/guix-nixos-systemd.adoc
new file mode 100644
index 0000000..fa4226a
--- /dev/null
+++ b/src/content/en/pastebins/2018/07/13/guix-nixos-systemd.adoc
@@ -0,0 +1,22 @@
+= GNU Guix systemd daemon for NixOS
+:catgories: nix, guix
+:sort: 3
+
+[source,nix]
+----
+  # Derived from Guix guix-daemon.service.in
+  # https://git.savannah.gnu.org/cgit/guix.git/tree/etc/guix-daemon.service.in?id=00c86a888488b16ce30634d3a3a9d871ed6734a2
+  systemd.services.guix-daemon = {
+    enable = true;
+    description = "Build daemon for GNU Guix";
+    serviceConfig = {
+      ExecStart = "/var/guix/profiles/per-user/root/guix-profile/bin/guix-daemon --build-users-group=guixbuild";
+      Environment="GUIX_LOCPATH=/root/.guix-profile/lib/locale";
+      RemainAfterExit="yes";
+      StandardOutput="syslog";
+      StandardError="syslog";
+      TaskMax= 8192;
+    };
+    wantedBy = [ "multi-user.target" ];
+  };
+----
diff --git a/src/content/en/pastebins/2018/07/13/guixbuilder-nixos.adoc b/src/content/en/pastebins/2018/07/13/guixbuilder-nixos.adoc
new file mode 100644
index 0000000..65dbcc7
--- /dev/null
+++ b/src/content/en/pastebins/2018/07/13/guixbuilder-nixos.adoc
@@ -0,0 +1,42 @@
+= Guix users in NixOS system configuration
+:categories: nix guix
+:sort: 2
+
+[source,nix]
+----
+  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";
+    };
+  };
+----
diff --git a/src/content/en/pastebins/2018/07/13/guixbuilder.adoc b/src/content/en/pastebins/2018/07/13/guixbuilder.adoc
new file mode 100644
index 0000000..35057f9
--- /dev/null
+++ b/src/content/en/pastebins/2018/07/13/guixbuilder.adoc
@@ -0,0 +1,14 @@
+= Guix builder user creation commands
+:categories: guix
+
+[source,sh]
+----
+groupadd --system guixbuild
+for i in `seq -w 1 10`;
+do
+    useradd -g guixbuild -G guixbuild           \
+            -d /var/empty -s `which nologin`    \
+            -c "Guix build user $i" --system    \
+            guixbuilder$i;
+done
+----
diff --git a/src/content/en/pastebins/2018/07/13/nix-strpad.adoc b/src/content/en/pastebins/2018/07/13/nix-strpad.adoc
new file mode 100644
index 0000000..71e8168
--- /dev/null
+++ b/src/content/en/pastebins/2018/07/13/nix-strpad.adoc
@@ -0,0 +1,8 @@
+= Nix string padding
+:categories: nix
+:sort: 1
+
+[source,nix]
+----
+padString = (n: if n < 10 then "0" + toString n else toString n)
+----
-- 
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