From 6fcd7fc2c443872a7a067b088eddb26d39614f28 Mon Sep 17 00:00:00 2001
From: tv <tv@krebsco.de>
Date: Fri, 13 Jul 2018 14:21:14 +0200
Subject: example: sort and remove dead code

---
 example/default.nix | 52 ++++++++++++++++++++++------------------------------
 1 file changed, 22 insertions(+), 30 deletions(-)

diff --git a/example/default.nix b/example/default.nix
index 69ef936..08d0b94 100644
--- a/example/default.nix
+++ b/example/default.nix
@@ -5,50 +5,42 @@ with builtins;
 
 let
 
+  f = q: x: fun.${x.type} q x;
+
   fun.filesystem = q: x: ''
     mkfs.${x.format} ${q.device}
   '';
 
-  fun.lvm = q: x: ''
-    pvcreate ${q.device}
-    vgcreate ${x.name} ${q.device}
-    ${concatStringsSep "\n" (mapAttrsToList (name: f (q // { inherit name; vgname = x.name; device = null; /* ??? */ })) x.lvs)}
-  '';
-
   fun.luks = q: x: ''
     cryptsetup -q luksFormat ${q.device} ${x.keyfile}
     cryptsetup luksOpen ${q.device} ${x.name} --key-file ${x.keyfile}
-
-    ${f (q // { device = "/dev/mapper/${x.name}"; }) x.content}
-  '';
-
-  fun.partition = q: x:
-    "(part ${toString (map (f q) (children x))})";
-
-  fun.table = q: x: ''
-    parted -s -a optimal ${q.device} mklabel ${x.format}
-    ${concatStrings (imap (i: part: " \nparted -s -a optimal ${q.device} mkpart ${part.part-type} ${part.fs-type or ""} ${part.start} ${part.end} ${optionalString (part.bootable or false) "\nparted -s -a optimal ${q.device} set ${toString i} boot on "}") x.partitions)}
-
-    ${concatStrings (imap (i: x: f (q // { device = q.device + toString i; }) x.content) x.partitions)}
+    ${f { device = "/dev/mapper/${x.name}"; } x.content}
   '';
 
   fun.lv = q: x: ''
     lvcreate -L ${x.size} -n ${q.name} ${q.vgname}
+    ${f { device = "/dev/${q.vgname}/${q.name}"; } x.content}
+  '';
 
-    ${f (q // { device = "/dev/${q.vgname}/${q.name}"; }) x.content}
+  fun.lvm = q: x: ''
+    pvcreate ${q.device}
+    vgcreate ${x.name} ${q.device}
+    ${concatStrings (mapAttrsToList (name: f { inherit name; vgname = x.name; }) x.lvs)}
   '';
 
-  children = x: {
-    lvm = attrValues x.lvs;
-    luks = [x.content];
-    partition = [x.content];
-    table = x.partitions;
-    lv = [x.content];
-  }.${x.type};
+  fun.partition = q: x: ''
+    parted -s ${q.device} mkpart ${x.part-type} ${x.fs-type or ""} ${x.start} ${x.end}
+    ${optionalString (x.bootable or false) ''
+      parted -s ${q.device} set ${toString q.index} boot on
+    ''}
+    ${f { device = q.device + toString q.index; } x.content}
+  '';
 
-  f = q: x: fun.${x.type} q x;
+  fun.table = q: x: ''
+    parted -s -a optimal ${q.device} mklabel ${x.format}
+    ${concatStrings (imap (index: f (q // { inherit index; })) x.partitions)}
+  '';
 
-  q0.device = "/dev/sda";
-  x0 = import ./config.nix;
 in
-  f q0 x0
+
+  f { device = "/dev/sda"; } (import ./config.nix)
-- 
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