shell.nix

   1 let
   2   nixpkgs_channel = builtins.getEnv "nixpkgs_channel";
   3   # Bootstraping Nixpkgs to get tools to patch it.
   4   originNixpkgs = import (.config/nixpkgs-channel + ("/${nixpkgs_channel}.nix"));
   5   originPkgs = import originNixpkgs {
   6     config = {}; # Make the config pure, ignoring user's config.
   7     overlays = [];
   8   };
   9   remoteNixpkgsPatches = [
  10     { meta.description = "dstat: fix pluginpath";
  11       url = "https://github.com/NixOS/nixpkgs/pull/80151.diff";
  12       sha256 = "0jjw2gvp7b7v2n2m2d6yj0gw711j6p9lyjf5ywp2y9ql6905qf4b";
  13     }
  14     { meta.description = "syncoid: fix PATH to let it use sudo";
  15       url = "https://github.com/NixOS/nixpkgs/pull/83901.diff";
  16       sha256 = "0q2dicmvl3h3hb9xdd870n5hf6lac489p000c7f1r6k70sh2id4l";
  17     }
  18     { meta.description = "sanoid: fix sanoid.conf generation";
  19       url = "https://github.com/NixOS/nixpkgs/pull/83904.diff";
  20       sha256 = "0lj4krmmbz82zpmbacw0qj2ywsx895bq4d1psjn753ymh7jjqj8k";
  21     }
  22     { meta.description = "nixos/public-inbox: init";
  23       url = "https://github.com/NixOS/nixpkgs/pull/77450.diff";
  24       sha256 = "13ikg7chpbf6rrg5sngbdb95q3awhdgl4g8vci42xmqyf208hzzd";
  25     }
  26     /*
  27     { meta.description = "transmission: apply RFC0042 and harden the service";
  28       url = "https://github.com/NixOS/nixpkgs/pull/92106.diff";
  29       sha256 = "0h1105qy0wrirvi9fk5d00qsjvm745196vb7wgr648d56rm17vv1";
  30     }
  31     { meta.description = "apparmor: fix and improve the service";
  32       url = "https://github.com/NixOS/nixpkgs/pull/93457.diff";
  33       sha256 = "0y1kvsnm8xiplbm4w4cadmfkr452vipswkz3kwyyikknh06vj3mn";
  34     }
  35     */
  36   ];
  37   localNixpkgsPatches = [
  38     #/home/julm/src/nix/nixpkgs/wip.patch
  39     nixpkgs/patches/wip.diff
  40   ];
  41   # Build nixpkgs with some patches.
  42   nixpkgs = originPkgs.applyPatches {
  43     name = "nixpkgs-patched";
  44     src = originNixpkgs;
  45     patches = map originPkgs.fetchpatch remoteNixpkgsPatches ++ localNixpkgsPatches;
  46     postPatch = ''
  47       patch=$(printf '%s\n' ${builtins.concatStringsSep " "
  48          (map (p: p.sha256) remoteNixpkgsPatches ++ localNixpkgsPatches)} |
  49         sort | sha256sum | cut -c -7)
  50       echo "+patch-$patch" >.version-suffix
  51     '';
  52   };
  53   # Final pkgs with custom overlays.
  54   pkgs = import nixpkgs {
  55     config = {}; # Make the config pure, ignoring user's config.
  56     overlays = import nixpkgs/overlays.nix;
  57   };
  58
  59   lib = pkgs.lib;
  60   nixos = pkgs.nixos {};
  61   # Configuration of shell/modules/
  62   # to expand shellHook and buildInputs of this shell.nix
  63   configuration = {config, ...}: {
  64     imports = [
  65       shell/gnupg.nix
  66     ];
  67     nix = {
  68       nixConf = ''
  69         auto-optimise-store = true
  70       '';
  71     };
  72     nix-plugins = {
  73       enable = true;
  74     };
  75     gnupg = {
  76       enable = true;
  77       gnupgHome = toString ../sec/gnupg;
  78       gpgExtraConf = ''
  79         # julm@sourcephile.fr
  80         trusted-key 0xB2450D97085B7B8C
  81       '';
  82     };
  83     openssl = {
  84       enable = true;
  85       opensslHome = toString ../sec/openssl;
  86       certificates = import shell/x509.nix;
  87     };
  88     openssh = {
  89       enable = true;
  90       sshConf = ''
  91         Ciphers aes256-gcm@openssh.com,aes128-gcm@openssh.com,aes256-ctr
  92         Compression no
  93         #CompressionLevel 4
  94         ControlMaster auto
  95         ControlPath ${toString ../sec/ssh}/ssh-%h-%p-%r.socket
  96         HashKnownHosts no
  97         #SSAPIAuthentication no
  98         SendEnv LANG LC_*
  99         StrictHostKeyChecking yes
 100         UserKnownHostsFile ${toString ../sec/ssh/known_hosts}
 101       '';
 102     };
 103     virtualbox = {
 104       enable = false;
 105     };
 106   };
 107
 108   # Using modules enables to separate specific configurations
 109   # from reusable code in shell/modules.nix and shell/modules/
 110   # which may find its way in another git repository one day.
 111   modules =
 112     (import shell/modules.nix {
 113       inherit pkgs lib;
 114       modules = [ configuration ];
 115     }).config;
 116
 117   pwd = toString (./. + "");
 118   sourcephile-shred-tmp = pkgs.writeShellScriptBin "sourcephile-shred-tmp" ''
 119     # This is done when entering the nix-shell
 120     # because direnv already hooks trap EXIT.
 121     cd "${pwd}"
 122     test ! -e sec/tmp || {
 123     find sec/tmp -type f -exec shred -fu {} +
 124     rm -rf sec/tmp
 125     }
 126   '';
 127 in
 128 pkgs.mkShell {
 129   name = "sourcephile-nix";
 130   src = null;
 131   #preferLocalBuild = true;
 132   #allowSubstitutes = false;
 133   buildInputs = modules.nix-shell.buildInputs ++ [
 134     sourcephile-shred-tmp
 135     nixos.nixos-generate-config
 136     nixos.nixos-install
 137     nixos.nixos-enter
 138     #pkgs.binutils
 139     pkgs.coreutils
 140     pkgs.cryptsetup
 141     pkgs.curl
 142     #pkgs.direnv
 143     pkgs.dnsutils
 144     #pkgs.dropbear
 145     pkgs.e2fsprogs
 146     pkgs.git
 147     pkgs.glibcLocales
 148     pkgs.gnumake
 149     pkgs.gnupg
 150     pkgs.htop
 151     #pkgs.inetutils
 152     pkgs.ipcalc
 153     #pkgs.iputils
 154     pkgs.less
 155     pkgs.libfaketime
 156     pkgs.ldns
 157     #pkgs.ldns.examples
 158     #pkgs.mailutils
 159     pkgs.man
 160     pkgs.mdadm
 161     pkgs.gptfdisk
 162     pkgs.ncdu
 163     pkgs.ncurses
 164     #pkgs.nixops
 165     #pkgs.openssl
 166     pkgs.pass
 167     pkgs.procps
 168     pkgs.rsync
 169     #pkgs.rxvt_unicode.terminfo
 170     #pkgs.sqlite
 171     pkgs.sqlite
 172     #pkgs.sudo
 173     pkgs.tig
 174     pkgs.time
 175     #pkgs.tmux
 176     pkgs.tree
 177     pkgs.utillinux
 178     #pkgs.vim
 179     #pkgs.virtualbox
 180     pkgs.which
 181     pkgs.xdg_utils
 182     pkgs.zfs
 183     pkgs.fio
 184     pkgs.strace
 185     pkgs.utillinux
 186     #pkgs.zfstools
 187   ];
 188   #enableParallelBuilding = true;
 189   shellHook = ''
 190     echo >&2 "nix: running shellHook"
 191
 192     # password-store
 193     export PASSWORD_STORE_DIR="$PWD"/../sec/pass
 194
 195     # Nix
 196     PATH=$NIX_SHELL_PATH:$PATH
 197     export NIX_PATH="${lib.concatStringsSep ":" [
 198       "machines=$PWD/machines.nix"
 199       #"pass=$PASSWORD_STORE_DIR"
 200       "nixpkgs=${toString pkgs.path}"
 201       "nixpkgs-overlays=$PWD/nixpkgs/overlays.nix"
 202     ]}"
 203
 204     # Since the .envrc calls this shellHook
 205     # the EXIT trap cannot be freely used
 206     # because it's already used by direnv,
 207     # hence shred at startup, which is not ideal.
 208     sourcephile-shred-tmp
 209
 210     ${modules.nix-shell.shellHook}
 211
 212     # gpg
 213     export GPG_TTY=$(tty)
 214     gpg-connect-agent updatestartuptty /bye >/dev/null
 215   '';
 216 }