From 6b0b20da18cdffd09f04faee7128c557bcb9f054 Mon Sep 17 00:00:00 2001
From: lassulus <lassulus@lassul.us>
Date: Wed, 24 Aug 2022 22:24:33 +0200
Subject: /lib -> /

---
 lib/default.nix | 194 --------------------------------------------------------
 1 file changed, 194 deletions(-)
 delete mode 100644 lib/default.nix

(limited to 'lib')

diff --git a/lib/default.nix b/lib/default.nix
deleted file mode 100644
index 9d43553..0000000
--- a/lib/default.nix
+++ /dev/null
@@ -1,194 +0,0 @@
-{ lib }:
-with lib;
-with builtins;
-
-let
-
-  helper.find-device = device: let
-    environment = helper.device-id device;
-  in
-    # DEVICE points already to /dev/disk, so we don't handle it via /dev/disk/by-path
-    if hasPrefix "/dev/disk" device then
-       "${environment}='${device}'"
-    else ''
-      ${environment}=$(for x in $(find /dev/disk/{by-path,by-id}/); do
-        dev=$x
-        if [ "$(readlink -f $x)" = "$(readlink -f '${device}')" ]; then
-          target=$dev
-          break
-        fi
-      done
-      if test -z ''${target+x}; then
-        echo 'unable to find path of disk: ${device}, bailing out' >&2
-        exit 1
-      else
-        echo $target
-      fi)
-    '';
-
-  helper.device-id = device: "DEVICE${builtins.substring 0 5 (builtins.hashString "sha1" device)}";
-
-  config-f = q: x: config.${x.type} q x;
-
-  config.filesystem = q: x: {
-    fileSystems.${x.mountpoint} = {
-      device = q.device;
-      fsType = x.format;
-      ${if x ? options then "options" else null} = x.options;
-    };
-  };
-
-  config.devices = q: x:
-    foldl' recursiveUpdate {} (mapAttrsToList (name: config-f { device = "/dev/${name}"; }) x.content);
-
-  config.luks = q: x: {
-    boot.initrd.luks.devices.${x.name}.device = q.device;
-  } // config-f { device = "/dev/mapper/${x.name}"; } x.content;
-
-  config.lv = q: x:
-    config-f { device = "/dev/mapper/${q.vgname}-${q.name}"; } x.content;
-
-  config.lvm = q: x:
-    foldl' recursiveUpdate {} (mapAttrsToList (name: config-f { inherit name; vgname = x.name; }) x.lvs);
-
-  config.noop = q: x: {};
-
-  config.partition = q: x:
-    config-f { device = q.device + toString q.index; } x.content;
-
-  config.table = q: x:
-    foldl' recursiveUpdate {} (imap (index: config-f (q // { inherit index; })) x.partitions);
-
-
-  create-f = q: x: create.${x.type} q x;
-
-  create.filesystem = q: x: ''
-    mkfs.${x.format} ${q.device}
-  '';
-
-  create.devices = q: x: let
-    raid-devices = lib.filterAttrs (_: dev: dev.type == "mdadm") x.content;
-    other-devices = lib.filterAttrs (_: dev: dev.type != "mdadm") x.content;
-  in ''
-    ${concatStrings (mapAttrsToList (name: create-f { device = "/dev/${name}"; }) other-devices)}
-    ${concatStrings (mapAttrsToList (name: create-f { device = "/dev/${name}"; name = name; }) raid-devices)}
-  '';
-
-  create.mdraid = q: x: ''
-    RAIDDEVICES_N_${x.name}=$((''${RAIDDEVICES_N_${x.name}:-0}+1))
-    RAIDDEVICES_${x.name}="''${RAIDDEVICES_${x.name}:-}${q.device} "
-  '';
-
-  create.mdadm = q: x: ''
-    echo 'y' | mdadm --create /dev/md/${q.name} --level=${toString x.level or 1} --raid-devices=''${RAIDDEVICES_N_${q.name}} ''${RAIDDEVICES_${q.name}}
-    udevadm trigger --subsystem-match=block; udevadm settle
-    ${create-f { device = "/dev/md/${q.name}"; } x.content}
-  '';
-
-  create.luks = q: x: ''
-    cryptsetup -q luksFormat ${q.device} ${if builtins.hasAttr "keyfile" x then x.keyfile else ""} ${toString (x.extraArgs or [])}
-    cryptsetup luksOpen ${q.device} ${x.name} ${if builtins.hasAttr "keyfile" x then "--key-file " + x.keyfile else ""}
-    ${create-f { device = "/dev/mapper/${x.name}"; } x.content}
-  '';
-
-  create.lv = q: x: ''
-    lvcreate ${if hasInfix "%" x.size then "-l" else "-L"} ${x.size} -n ${q.name} ${q.vgname}
-    ${create-f { device = "/dev/mapper/${q.vgname}-${q.name}"; } x.content}
-  '';
-
-  create.lvm = q: x: ''
-    pvcreate ${q.device}
-    vgcreate ${x.name} ${q.device}
-    ${concatStrings (mapAttrsToList (name: create-f { inherit name; vgname = x.name; }) x.lvs)}
-  '';
-
-  create.noop = q: x: "";
-
-  create.partition = q: x: let
-    env = helper.device-id q.device;
-  in ''
-    parted -s "''${${env}}" mkpart ${x.part-type} ${x.fs-type or ""} ${x.start} ${x.end}
-    # ensure /dev/disk/by-path/..-partN exists before continuing
-    udevadm trigger --subsystem-match=block; udevadm settle
-    ${optionalString (x.bootable or false) ''
-      parted -s "''${${env}}" set ${toString q.index} boot on
-    ''}
-    ${concatMapStringsSep "" (flag: ''
-      parted -s "''${${env}}" set ${toString q.index} ${flag} on
-    '') (x.flags or [])}
-    ${create-f { device = "\"\${${env}}\"-part" + toString q.index; } x.content}
-  '';
-
-  create.table = q: x: ''
-    ${helper.find-device q.device}
-    parted -s "''${${helper.device-id q.device}}" mklabel ${x.format}
-    ${concatStrings (imap (index: create-f (q // { inherit index; })) x.partitions)}
-  '';
-
-
-  mount-f = q: x: mount.${x.type} q x;
-
-  mount.filesystem = q: x: {
-      fs.${x.mountpoint} = ''
-        if ! findmnt ${q.device} "/mnt${x.mountpoint}" > /dev/null 2>&1; then
-          mount ${q.device} "/mnt${x.mountpoint}" -o X-mount.mkdir
-        fi
-      '';
-    };
-
-  mount.devices = q: x: let
-    z = foldl' recursiveUpdate {} (mapAttrsToList (name: mount-f { device = "/dev/${name}"; }) x.content);
-    # attrValues returns values sorted by name.  This is important, because it
-    # ensures that "/" is processed before "/foo" etc.
-  in ''
-    ${optionalString (hasAttr "table" z) (concatStringsSep "\n" (attrValues z.table))}
-    ${optionalString (hasAttr "luks" z) (concatStringsSep "\n" (attrValues z.luks))}
-    ${optionalString (hasAttr "lvm" z) (concatStringsSep "\n" (attrValues z.lvm))}
-    ${optionalString (hasAttr "fs" z) (concatStringsSep "\n" (attrValues z.fs))}
-  '';
-
-  mount.luks = q: x: (
-    recursiveUpdate
-    (mount-f { device = "/dev/mapper/${x.name}"; } x.content)
-    {luks.${q.device} = ''
-      cryptsetup luksOpen ${q.device} ${x.name} ${if builtins.hasAttr "keyfile" x then "--key-file " + x.keyfile else ""}
-    '';}
-  );
-
-  mount.lv = q: x:
-    mount-f { device = "/dev/mapper/${q.vgname}-${q.name}"; } x.content;
-
-  mount.lvm = q: x: (
-    recursiveUpdate
-    (foldl' recursiveUpdate {} (mapAttrsToList (name: mount-f { inherit name; vgname = x.name; }) x.lvs))
-    {lvm.${q.device} = ''
-      vgchange -a y
-    '';}
-  );
-
-  mount.noop = q: x: {};
-
-  # TODO maybe we need to do something here?
-  mount.mdadm = mount.noop;
-  mount.mdraid = mount.noop;
-
-  mount.partition = q: x:
-    mount-f { device = "\"\${${q.device}}\"-part" + toString q.index; } x.content;
-
-  mount.table = q: x: (
-    recursiveUpdate
-    (foldl' recursiveUpdate {} (imap (index: mount-f (q // { inherit index; device = helper.device-id q.device; })) x.partitions))
-    {table.${q.device} = helper.find-device q.device;}
-  );
-in {
-  config = config-f {};
-  create = cfg: ''
-    set -efux
-    ${create-f {} cfg}
-  '';
-  mount = cfg: ''
-    set -efux
-    ${mount-f {} cfg}
-  '';
-
-}
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