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     { meta.description = "transmission: apply RFC0042 and harden the service";
  27       url = "https://github.com/NixOS/nixpkgs/pull/92106.diff";
  28       sha256 = "0d3dd511h7fw0k5q0k6wp7hcwkk7xikfwracp68f1y7hn4jj0pn0";
  29     }
  30     { meta.description = "apparmor: fix and improve the service";
  31       url = "https://github.com/NixOS/nixpkgs/pull/93457.diff";
  32       sha256 = "1yhs0459r7mxdzl70l67yzbj6i67ps2znaca852hd1gffi650bkr";
  33     }
  34     { meta.description = "nixos/security.gnupg: provisioning GnuPG-protected secrets through the Nix store";
  35       url = "https://github.com/NixOS/nixpkgs/pull/93659.diff";
  36       sha256 = "08pmka7ryz2gbyc8by40p31ky7s3dqxlj90dnw7fmlgb4pb3pkn0";
  37     }
  38     { meta.description = "nixos/croc: init";
  39       url = "https://github.com/NixOS/nixpkgs/pull/93629.diff";
  40       sha256 = "0fv3lpj244hvxyixxv4akrr70jv5wwbhb3kmbmd2yskx59a71rch";
  41     }
  42     { meta.description = "prosody-modules: update to revision 2dcbc01c9931";
  43       url = "https://github.com/NixOS/nixpkgs/pull/94916.diff";
  44       sha256 = "1cpdv5bd3837qh54yd0n6vvbfpn0p0cshkic5q0lv60lmm9raqk4";
  45     }
  46     { meta.description = "nixos/biboumi: init";
  47       url = "https://github.com/NixOS/nixpkgs/pull/94917.diff";
  48       sha256 = "19rizzxiszszsr1xz1ax0rsagx14ka0ndllb0s9y1fvdjxhb87iz";
  49     }
  50   ];
  51   localNixpkgsPatches = [
  52     nixpkgs/patches/installer.ssh-nixos.diff
  53     nixpkgs/patches/fix-flushBeforeStage2.diff
  54   ];
  55   # Build nixpkgs with some patches.
  56   nixpkgs = originPkgs.applyPatches {
  57     name = "nixpkgs-patched";
  58     src = originNixpkgs;
  59     patches = map originPkgs.fetchpatch remoteNixpkgsPatches ++ localNixpkgsPatches;
  60     postPatch = ''
  61       patch=$(printf '%s\n' ${builtins.concatStringsSep " "
  62          (map (p: p.sha256) remoteNixpkgsPatches ++ localNixpkgsPatches)} |
  63         sort | sha256sum | cut -c -7)
  64       echo "+patch-$patch" >.version-suffix
  65     '';
  66   };
  67   # Final pkgs with custom overlays.
  68   pkgs = import nixpkgs {
  69     config = {}; # Make the config pure, ignoring user's config.
  70     overlays = import nixpkgs/overlays.nix;
  71   };
  72
  73   # Configuration of shell/modules/
  74   # to expand shellHook and buildInputs of this shell.nix
  75   shellConfig = {config, ...}: {
  76     imports = [
  77       shell/gnupg.nix
  78     ];
  79     nix = {
  80       nixConf = ''
  81         auto-optimise-store = true
  82       '';
  83     };
  84     nix-plugins = {
  85       enable = true;
  86     };
  87     gnupg = {
  88       enable = true;
  89       gnupgHome = toString ../sec/gnupg;
  90       gpgExtraConf = ''
  91         # julm@sourcephile.fr
  92         trusted-key 0xB2450D97085B7B8C
  93       '';
  94       gpgAgentExtraConf = ''
  95         #pretend-request-origin remote
  96         #extra-socket ${toString ./.}/S.gpg-agent.extra
  97         #log-file ${toString ./.}/gpg-agent.log
  98         #no-grab
  99         #debug-level expert
 100         #allow-loopback-pinentry
 101       '';
 102     };
 103     openssl = {
 104       enable = true;
 105       opensslHome = toString ../sec/openssl;
 106       certificates = import shell/x509.nix;
 107     };
 108     openssh = {
 109       enable = true;
 110       sshConf = ''
 111         Ciphers aes256-gcm@openssh.com,aes128-gcm@openssh.com,aes256-ctr
 112         Compression no
 113         #CompressionLevel 4
 114         ControlMaster auto
 115         ControlPath ${toString ../sec/ssh}/ssh-%h-%p-%r.socket
 116         HashKnownHosts no
 117         #SSAPIAuthentication no
 118         SendEnv LANG LC_*
 119         StrictHostKeyChecking yes
 120         UserKnownHostsFile ${toString ../sec/ssh/known_hosts}
 121       '';
 122     };
 123     virtualbox = {
 124       enable = false;
 125     };
 126   };
 127
 128   # Using modules enables to separate specific configurations
 129   # from reusable code in shell/modules.nix and shell/modules/
 130   # which may find its way in another git repository one day.
 131   shell = (pkgs.lib.evalModules {
 132     modules = [ shellConfig ] ++ map import (pkgs.lib.findFiles ".*\\.nix" shell/modules);
 133     args = { inherit pkgs; };
 134   }).config;
 135
 136   pwd = toString (./. + "");
 137   sourcephile-shred-tmp = pkgs.writeShellScriptBin "sourcephile-shred-tmp" ''
 138     # This is done when entering the nix-shell
 139     # because direnv already hooks trap EXIT.
 140     cd "${pwd}"
 141     test ! -e sec/tmp || {
 142     find sec/tmp -type f -exec shred -fu {} +
 143     rm -rf sec/tmp
 144     }
 145   '';
 146 in
 147 pkgs.mkShell {
 148   name = "sourcephile-nix";
 149   src = null;
 150   #preferLocalBuild = true;
 151   #allowSubstitutes = false;
 152   buildInputs = shell.nix-shell.buildInputs ++ [
 153     sourcephile-shred-tmp
 154     (pkgs.nixos []).nixos-generate-config
 155     (pkgs.nixos []).nixos-install
 156     (pkgs.nixos []).nixos-enter
 157     #pkgs.binutils
 158     pkgs.coreutils
 159     pkgs.cryptsetup
 160     pkgs.curl
 161     #pkgs.direnv
 162     pkgs.dnsutils
 163     #pkgs.dropbear
 164     pkgs.e2fsprogs
 165     pkgs.git
 166     pkgs.glibcLocales
 167     pkgs.gnumake
 168     pkgs.gnupg
 169     pkgs.htop
 170     #pkgs.inetutils
 171     pkgs.ipcalc
 172     #pkgs.iputils
 173     pkgs.less
 174     pkgs.libfaketime
 175     pkgs.ldns
 176     #pkgs.ldns.examples
 177     #pkgs.mailutils
 178     pkgs.man
 179     pkgs.mdadm
 180     pkgs.gptfdisk
 181     pkgs.ncdu
 182     pkgs.ncurses
 183     #pkgs.nixops
 184     #pkgs.openssl
 185     pkgs.pass
 186     pkgs.procps
 187     pkgs.rsync
 188     #pkgs.rxvt_unicode.terminfo
 189     #pkgs.sqlite
 190     pkgs.sqlite
 191     #pkgs.sudo
 192     pkgs.tig
 193     pkgs.time
 194     #pkgs.tmux
 195     pkgs.tree
 196     pkgs.utillinux
 197     #pkgs.vim
 198     #pkgs.virtualbox
 199     pkgs.which
 200     pkgs.xdg_utils
 201     pkgs.zfs
 202     pkgs.fio
 203     pkgs.strace
 204     pkgs.utillinux
 205     #pkgs.zfstools
 206     pkgs.linuxPackages.perf
 207     #pkgs.go2nix
 208     pkgs.wireguard
 209     pkgs.stun
 210   ];
 211   #enableParallelBuilding = true;
 212   shellHook = ''
 213     echo >&2 "nix: running shellHook"
 214
 215     # password-store
 216     export PASSWORD_STORE_DIR="$PWD"/../sec/pass
 217
 218     # Nix
 219     PATH=$NIX_SHELL_PATH:$PATH
 220     export NIX_PATH="${pkgs.lib.concatStringsSep ":" [
 221       "machines=$PWD/machines.nix"
 222       #"pass=$PASSWORD_STORE_DIR"
 223       "nixpkgs=${toString pkgs.path}"
 224       "nixpkgs-overlays=$PWD/nixpkgs/overlays.nix"
 225     ]}"
 226
 227     # Since the .envrc calls this shellHook
 228     # the EXIT trap cannot be freely used
 229     # because it's already used by direnv,
 230     # hence shred at startup, which is not ideal.
 231     sourcephile-shred-tmp
 232
 233     ${shell.nix-shell.shellHook}
 234
 235     # gpg
 236     export GPG_TTY=$(tty)
 237     gpg-connect-agent updatestartuptty /bye >/dev/null
 238   '';
 239 }