NixOS · Feb 6, 2020 · Mar 3, 2020 · Mar 3, 2020 · Mar 6, 2020 · Mar 6, 2020
diff --git a/maintainers/maintainer-list.nix b/maintainers/maintainer-list.nix
@@ -1,5 +1,5 @@
 /* List of NixOS maintainers.
-
+    ```nix
     handle = {
       # Required
       name = "Your name";
@@ -13,32 +13,33 @@
         fingerprint = "AAAA BBBB CCCC DDDD EEEE  FFFF 0000 1111 2222 3333";
       }];
     };
+    ```
 
-  where
+    where
 
-  - `handle` is the handle you are going to use in nixpkgs expressions,
-  - `name` is your, preferably real, name,
-  - `email` is your maintainer email address, and
-  - `github` is your GitHub handle (as it appears in the URL of your profile page, `https://github.com/<userhandle>`),
-  - `githubId` is your GitHub user ID, which can be found at `https://api.github.com/users/<userhandle>`,
-  - `keys` is a list of your PGP/GPG key IDs and fingerprints.
+    - `handle` is the handle you are going to use in nixpkgs expressions,
+    - `name` is your, preferably real, name,
+    - `email` is your maintainer email address, and
+    - `github` is your GitHub handle (as it appears in the URL of your profile page, `https://github.com/<userhandle>`),
+    - `githubId` is your GitHub user ID, which can be found at `https://api.github.com/users/<userhandle>`,
+    - `keys` is a list of your PGP/GPG key IDs and fingerprints.
 
-  `handle == github` is strongly preferred whenever `github` is an acceptable attribute name and is short and convenient.
+    `handle == github` is strongly preferred whenever `github` is an acceptable attribute name and is short and convenient.
 
-  Add PGP/GPG keys only if you actually use them to sign commits and/or mail.
+    Add PGP/GPG keys only if you actually use them to sign commits and/or mail.
 
-  To get the required PGP/GPG values for a key run
-  ```shell
-  gpg --keyid-format 0xlong --fingerprint <email> | head -n 2
-  ```
+    To get the required PGP/GPG values for a key run
+    ```shell
+    gpg --keyid-format 0xlong --fingerprint <email> | head -n 2
+    ```
 
-  !!! Note that PGP/GPG values stored here are for informational purposes only, don't use this file as a source of truth.
+    !!! Note that PGP/GPG values stored here are for informational purposes only, don't use this file as a source of truth.
 
-  More fields may be added in the future.
+    More fields may be added in the future.
 
-  Please keep the list alphabetically sorted.
-  See `./scripts/check-maintainer-github-handles.sh` for an example on how to work with this data.
-  */
+    Please keep the list alphabetically sorted.
+    See `./scripts/check-maintainer-github-handles.sh` for an example on how to work with this data.
+*/
 {
   "0x4A6F" = {
     email = "0x4A6F@shackspace.de";
@@ -1572,10 +1573,12 @@
     githubId = 2217136;
     name = "Ștefan D. Mihăilă";
     keys = [
-      { longkeyid = "rsa4096/6E68A39BF16A3ECB";
+      {
+        longkeyid = "rsa4096/6E68A39BF16A3ECB";
         fingerprint = "CBC9 C7CC 51F0 4A61 3901 C723 6E68 A39B F16A 3ECB";
       }
-      { longkeyid = "rsa4096/6220AD7846220A52";
+      {
+        longkeyid = "rsa4096/6220AD7846220A52";
         fingerprint = "7EAB 1447 5BBA 7DDE 7092 7276 6220 AD78 4622 0A52";
       }
     ];
@@ -1792,7 +1795,7 @@
     name = "Didier J. Devroye";
   };
   devhell = {
-    email = "\"^\"@regexmail.net";
+    email = ''"^"@regexmail.net'';
     github = "devhell";
     githubId = 896182;
     name = "devhell";
@@ -2131,7 +2134,7 @@
   };
   ehmry = {
     email = "ehmry@posteo.net";
-    github= "ehmry";
+    github = "ehmry";
     githubId = 537775;
     name = "Emery Hemingway";
   };
@@ -2219,10 +2222,10 @@
     name = "Jack Kelly";
   };
   enorris = {
-      name = "Eric Norris";
-      email = "erictnorris@gmail.com";
-      github = "ericnorris";
-      githubId = 1906605;
+    name = "Eric Norris";
+    email = "erictnorris@gmail.com";
+    github = "ericnorris";
+    githubId = 1906605;
   };
   Enteee = {
     email = "nix@duckpond.ch";
@@ -2891,7 +2894,7 @@
     github = "hansjoergschurr";
     githubId = 9850776;
     name = "Hans-Jörg Schurr";
-    };
+  };
   HaoZeke = {
     email = "r95g10@gmail.com";
     github = "haozeke";
@@ -4224,10 +4227,10 @@
     }];
   };
   luis = {
-      email = "luis.nixos@gmail.com";
-      github = "Luis-Hebendanz";
-      githubId = 22085373;
-      name = "Luis Hebendanz";
+    email = "luis.nixos@gmail.com";
+    github = "Luis-Hebendanz";
+    githubId = 22085373;
+    name = "Luis Hebendanz";
   };
   lionello = {
     email = "lio@lunesu.com";
@@ -4470,12 +4473,12 @@
     githubId = 50230945;
     name = "Marcus Boyd";
   };
-	marenz = {
-		email = "marenz@arkom.men";
-		github = "marenz2569";
-		githubId = 12773269;
-		name = "Markus Schmidl";
-	};
+  marenz = {
+    email = "marenz@arkom.men";
+    github = "marenz2569";
+    githubId = 12773269;
+    name = "Markus Schmidl";
+  };
   markus1189 = {
     email = "markus1189@gmail.com";
     github = "markus1189";
@@ -4725,7 +4728,7 @@
     githubId = 668926;
     name = "Maximilian Güntner";
   };
-   mhaselsteiner = {
+  mhaselsteiner = {
     email = "magdalena.haselsteiner@gmx.at";
     github = "mhaselsteiner";
     githubId = 20536514;
@@ -4894,7 +4897,7 @@
     name = "Martin Milata";
   };
   mmlb = {
-    email = "me.mmlb@mmlb.me";
+    email = "manny@peekaboo.mmlb.icu";
     github = "mmlb";
     name = "Manuel Mendez";
   };
@@ -5789,11 +5792,10 @@
     github = "pradyuman";
     githubId = 9904569;
     name = "Pradyuman Vig";
-    keys = [
-      { longkeyid = "rsa4096/4F74D5361C4CA31E";
-        fingerprint = "240B 57DE 4271 2480 7CE3  EAC8 4F74 D536 1C4C A31E";
-      }
-    ];
+    keys = [{
+      longkeyid = "rsa4096/4F74D5361C4CA31E";
+      fingerprint = "240B 57DE 4271 2480 7CE3  EAC8 4F74 D536 1C4C A31E";
+    }];
   };
   prikhi = {
     email = "pavan.rikhi@gmail.com";
@@ -5807,10 +5809,12 @@
     githubId = 7537109;
     name = "Michael Weiss";
     keys = [
-      { longkeyid = "ed25519/0x130826A6C2A389FD"; # Git only
+      {
+        longkeyid = "ed25519/0x130826A6C2A389FD"; # Git only
         fingerprint = "86A7 4A55 07D0 58D1 322E  37FD 1308 26A6 C2A3 89FD";
       }
-      { longkeyid = "rsa3072/0xBCA9943DD1DF4C04"; # Email, etc.
+      {
+        longkeyid = "rsa3072/0xBCA9943DD1DF4C04"; # Email, etc.
         fingerprint = "AF85 991C C950 49A2 4205  1933 BCA9 943D D1DF 4C04";
       }
     ];
@@ -6176,12 +6180,10 @@
     github = "rnhmjoj";
     githubId = 2817565;
     name = "Michele Guerini Rocco";
-    keys =
-    [
-      { longkeyid   = "ed25519/0xBFBAF4C975F76450";
-        fingerprint = "92B2 904F D293 C94D C4C9  3E6B BFBA F4C9 75F7 6450";
-      }
-    ];
+    keys = [{
+      longkeyid = "ed25519/0xBFBAF4C975F76450";
+      fingerprint = "92B2 904F D293 C94D C4C9  3E6B BFBA F4C9 75F7 6450";
+    }];
   };
   rob = {
     email = "rob.vermaas@gmail.com";
@@ -6386,10 +6388,10 @@
     }];
   };
   samrose = {
-   email = "samuel.rose@gmail.com";
-   github = "samrose";
-   githubId = 115821;
-   name = "Sam Rose";
+    email = "samuel.rose@gmail.com";
+    github = "samrose";
+    githubId = 115821;
+    name = "Sam Rose";
   };
   samueldr = {
     email = "samuel@dionne-riel.com";
@@ -7346,10 +7348,10 @@
     github = "tkerber";
     githubId = 5722198;
     name = "Thomas Kerber";
-    keys = [ {
+    keys = [{
       longkeyid = "rsa4096/0x8489B911F9ED617B";
       fingerprint = "556A 403F B0A2 D423 F656  3424 8489 B911 F9ED 617B";
-    } ];
+    }];
   };
   tmplt = {
     email = "tmplt@dragons.rocks";
@@ -7629,7 +7631,8 @@
   };
   vcunat = {
     name = "Vladimír Čunát";
-    email = "v@cunat.cz"; # vcunat@gmail.com predominated in commits before 2019/03
+    # vcunat@gmail.com predominated in commits before 2019/03
+    email = "v@cunat.cz";
     github = "vcunat";
     githubId = 1785925;
     keys = [{

diff --git a/nixos/lib/utils.nix b/nixos/lib/utils.nix
@@ -14,7 +14,7 @@ rec {
   # becomes dev-xyzzy.  FIXME: slow.
   escapeSystemdPath = s:
    replaceChars ["/" "-" " "] ["-" "\\x2d" "\\x20"]
-    (if hasPrefix "/" s then substring 1 (stringLength s) s else s);
+   (removePrefix "/" s);
 
   # Returns a system path for a given shell package
   toShellPath = shell:

diff --git a/nixos/modules/programs/firejail.nix b/nixos/modules/programs/firejail.nix
@@ -5,20 +5,20 @@ with lib;
 let
   cfg = config.programs.firejail;
 
-  wrappedBins = pkgs.stdenv.mkDerivation {
-    name = "firejail-wrapped-binaries";
-    nativeBuildInputs = with pkgs; [ makeWrapper ];
-    buildCommand = ''
+  wrappedBins = pkgs.runCommand "firejail-wrapped-binaries"
+    { preferLocalBuild = true;
+      allowSubstitutes = false;
+    }
+    ''
       mkdir -p $out/bin
       ${lib.concatStringsSep "\n" (lib.mapAttrsToList (command: binary: ''
-      cat <<_EOF >$out/bin/${command}
-      #!${pkgs.stdenv.shell} -e
-      /run/wrappers/bin/firejail ${binary} "\$@"
-      _EOF
-      chmod 0755 $out/bin/${command}
+        cat <<_EOF >$out/bin/${command}
+        #! ${pkgs.runtimeShell} -e
+        exec /run/wrappers/bin/firejail ${binary} "\$@"
+        _EOF
+        chmod 0755 $out/bin/${command}
       '') cfg.wrappedBinaries)}
     '';
-  };
 
 in {
   options.programs.firejail = {

diff --git a/nixos/modules/services/monitoring/prometheus/default.nix b/nixos/modules/services/monitoring/prometheus/default.nix
@@ -9,12 +9,13 @@ let
 
   # a wrapper that verifies that the configuration is valid
   promtoolCheck = what: name: file:
-    pkgs.runCommand
-      "${name}-${replaceStrings [" "] [""] what}-checked"
-      { buildInputs = [ cfg.package ]; } ''
-    ln -s ${file} $out
-    promtool ${what} $out
-  '';
+    if cfg.checkConfig then
+      pkgs.runCommand
+        "${name}-${replaceStrings [" "] [""] what}-checked"
+        { buildInputs = [ cfg.package ]; } ''
+      ln -s ${file} $out
+      promtool ${what} $out
+    '' else file;
 
   # Pretty-print JSON to a file
   writePrettyJSON = name: x:
@@ -601,6 +602,20 @@ in {
         if Prometheus is served via a reverse proxy).
       '';
     };
+
+    checkConfig = mkOption {
+      type = types.bool;
+      default = true;
+      description = ''
+        Check configuration with <literal>promtool
+        check</literal>. The call to <literal>promtool</literal> is
+        subject to sandboxing by Nix. When credentials are stored in
+        external files (<literal>password_file</literal>,
+        <literal>bearer_token_file</literal>, etc), they will not be
+        visible to <literal>promtool</literal> and it will report
+        errors, despite a correct configuration.
+      '';
+    };
   };
 
   config = mkIf cfg.enable {

diff --git a/nixos/modules/services/networking/firewall.nix b/nixos/modules/services/networking/firewall.nix
@@ -546,7 +546,7 @@ in
       options nf_conntrack nf_conntrack_helper=1
     '';
 
-    assertions = [ { assertion = (cfg.checkReversePath != false) || kernelHasRPFilter;
+    assertions = [ { assertion = cfg.checkReversePath -> kernelHasRPFilter;
                      message = "This kernel does not support rpfilter"; }
                  ];
 

diff --git a/nixos/modules/virtualisation/kvmgt.nix b/nixos/modules/virtualisation/kvmgt.nix
@@ -19,7 +19,8 @@ in {
     virtualisation.kvmgt = {
       enable = mkEnableOption ''
         KVMGT (iGVT-g) VGPU support. Allows Qemu/KVM guests to share host's Intel integrated graphics card.
-        Currently only one graphical device can be shared
+        Currently only one graphical device can be shared. To allow users to access the device without root add them
+        to the kvm group: <literal>users.extraUsers.&lt;yourusername&gt;.extraGroups = [ "kvm" ];</literal>
       '';
       # multi GPU support is under the question
       device = mkOption {
@@ -35,9 +36,7 @@ in {
           and find info about device via <command>cat /sys/bus/pci/devices/*/mdev_supported_types/i915-GVTg_V5_4/description</command>
         '';
         example = {
-          i915-GVTg_V5_8 = {
-            uuid = "a297db4a-f4c2-11e6-90f6-d3b88d6c9525";
-          };
+          i915-GVTg_V5_8.uuid = "a297db4a-f4c2-11e6-90f6-d3b88d6c9525";
         };
       };
     };
@@ -50,10 +49,7 @@ in {
     };
 
     boot.kernelModules = [ "kvmgt" ];
-
-    boot.extraModprobeConfig = ''
-      options i915 enable_gvt=1
-    '';
+    boot.kernelParams = [ "i915.enable_gvt=1" ];
 
     systemd.paths = mapAttrs' (name: value:
       nameValuePair "kvmgt-${name}" {
@@ -65,6 +61,10 @@ in {
       }
     ) cfg.vgpus;
 
+    services.udev.extraRules = ''
+      SUBSYSTEM=="vfio", OWNER="root", GROUP="kvm"
+    '';
+
     systemd.services = mapAttrs' (name: value:
       nameValuePair "kvmgt-${name}" {
         description = "KVMGT VGPU ${name}";