Merge remote-tracking branch 'ni/master'

10 files changed, 323 insertions, 81 deletions

diff --git a/krebs/5pkgs/simple/withGetopt.nix b/krebs/5pkgs/simple/withGetopt.nix
new file mode 100644
index 000000000..fd59adcaf
--- /dev/null
+++ b/krebs/5pkgs/simple/withGetopt.nix
@@ -0,0 +1,106 @@
+with import <stockholm/lib>;
+{ utillinux, writeDash }:
+
+opt-spec: cmd-spec: let
+
+  cmd = cmd-spec opts;
+
+  cmd-script =
+    if typeOf cmd == "set"
+      then "exec ${cmd}"
+      else cmd;
+
+  opts = mapAttrs (name: value: value // rec {
+    long = value.long or (replaceStrings ["_"] ["-"] name);
+    ref = value.ref or "\"\$${varname}\"";
+    switch = value.switch or false;
+    varname = value.varname or (replaceStrings ["-"] ["_"] name);
+  }) opt-spec;
+
+  # true if b requires a to define its default value
+  opts-before = a: b:
+    test ".*[$]${stringAsChars (c: "[${c}]") a.varname}\\>.*" (b.default or "");
+
+  opts-list = let
+    sort-out = toposort opts-before (attrValues opts);
+  in
+    if sort-out ? result
+      then sort-out.result
+      else throw "toposort output: ${toJSON sort-out}";
+
+  wrapper-name =
+    if typeOf cmd == "set" && cmd ? name
+      then "${cmd.name}-getopt"
+      else "getopt-wrapper";
+
+in writeDash wrapper-name ''
+  set -efu
+
+  wrapper_name=${shell.escape wrapper-name}
+
+  ${concatStringsSep "\n" (mapAttrsToList (name: opt: /* sh */ ''
+    unset ${opt.varname}
+  '') opts)}
+
+  args=$(${utillinux}/bin/getopt \
+      -n "$wrapper_name" \
+      -o "" \
+      -l ${concatMapStringsSep ","
+            (opt: opt.long + optionalString (!opt.switch) ":")
+            (attrValues opts)} \
+      -s sh \
+      -- "$@")
+  if \test $? != 0; then exit 1; fi
+  eval set -- "$args"
+
+  while :; do
+    case $1 in
+    ${concatStringsSep "\n" (mapAttrsToList (name: opt: /* sh */ ''
+      --${opt.long})
+        ${if opt.switch then /* sh */ ''
+          ${opt.varname}=true
+          shift
+        '' else /* sh */ ''
+          ${opt.varname}=$2
+          shift 2
+        ''}
+      ;;
+    '') opts)}
+    --)
+      shift
+      break
+    esac
+  done
+
+  ${concatMapStringsSep "\n"
+    (opt: /* sh */ ''
+      if \test "''${${opt.varname}+1}" != 1; then
+        printf '%s: missing mandatory option '--%s'\n' \
+            "$wrapper_name" \
+            ${shell.escape opt.long}
+        error=1
+      fi
+    '')
+    (filter
+      (x: ! hasAttr "default" x)
+      (attrValues opts))}
+  if test "''${error+1}" = 1; then
+    exit 1
+  fi
+
+  ${concatMapStringsSep "\n"
+    (opt: /* sh */ ''
+      if \test "''${${opt.varname}+1}" != 1; then
+        ${opt.varname}=${opt.default}
+      fi
+    '')
+    (filter
+      (hasAttr "default")
+      opts-list)}
+
+  ${concatStringsSep "\n" (mapAttrsToList (name: opt: /* sh */ ''
+    export ${opt.varname}
+  '') opts)}
+
+  ${cmd-script}
+''
diff --git a/shell.nix b/shell.nix
index a4ccc3187..661ac81a8 100644
--- a/shell.nix
+++ b/shell.nix
@@ -6,43 +6,38 @@ let
   # high level commands
   #
 
-  # usage: deploy
-  #         [--force-populate]
-  #         [--quiet]
-  #         [--source=PATH]
-  #         --system=SYSTEM
-  #         [--target=TARGET]
-  #         [--user=USER]
-  cmds.deploy = pkgs.writeDash "cmds.deploy" ''
+  cmds.deploy = pkgs.withGetopt {
+    force-populate = { default = /* sh */ "false"; switch = true; };
+    quiet = { default = /* sh */ "false"; switch = true; };
+    source_file = {
+      default = /* sh */ "$user/1systems/$system/source.nix";
+      long = "source";
+    };
+    system = {};
+    target.default = /* sh */ "$system";
+    user.default = /* sh */ "$LOGNAME";
+  } (opts: pkgs.writeDash "cmds.deploy" ''
     set -efu
 
-    command=deploy
-    . ${init.args}
-    \test -n "''${quiet-}" || quiet=false
-    \test -n "''${target-}" || target=$system
-    \test -n "''${user-}" || user=$LOGNAME
-    \test -n "''${source_file}" || source_file=$user/1systems/$system/source.nix
     . ${init.env}
-    . ${init.proxy}
+    . ${init.proxy opts}
 
     exec ${utils.deploy}
-  '';
-
-  # usage: install
-  #         [--force-populate]
-  #         [--quiet]
-  #         [--source=PATH]
-  #         --system=SYSTEM
-  #         --target=TARGET
-  #         [--user=USER]
-  cmds.install = pkgs.writeBash "cmds.install" ''
+  '');
+
+  cmds.install = pkgs.withGetopt {
+    force-populate = { default = /* sh */ "false"; switch = true; };
+    quiet = { default = /* sh */ "false"; switch = true; };
+    source_file = {
+      default = /* sh */ "$user/1systems/$system/source.nix";
+      long = "source";
+    };
+    system = {};
+    target = {};
+    user.default = /* sh */ "$LOGNAME";
+  } (opts: pkgs.writeBash "cmds.install" ''
     set -efu
 
-    command=install
-    . ${init.args}
-    \test -n "''${quiet-}" || quiet=false
-    \test -n "''${user-}" || user=$LOGNAME
-    \test -n "''${source_file}" || source_file=$user/1systems/$system/source.nix
     . ${init.env}
 
     if \test "''${using_proxy-}" != true; then
@@ -55,7 +50,7 @@ let
               # TODO inline prepare.sh?
     fi
 
-    . ${init.proxy}
+    . ${init.proxy opts}
 
     # Reset PATH because we need access to nixos-install.
     # TODO provide nixos-install instead of relying on prepare.sh
@@ -75,30 +70,28 @@ let
 
     cd
     exec nixos-install
-  '';
-
-  # usage: test
-  #         [--force-populate]
-  #         [--quiet]
-  #         [--source=PATH]
-  #         --system=SYSTEM
-  #         --target=TARGET
-  #         [--user=USER]
-  cmds.test = pkgs.writeDash "cmds.test" /* sh */ ''
+  '');
+
+  cmds.test = pkgs.withGetopt {
+    force-populate = { default = /* sh */ "false"; switch = true; };
+    quiet = { default = /* sh */ "false"; switch = true; };
+    source_file = {
+      default = /* sh */ "$user/1systems/$system/source.nix";
+      long = "source";
+    };
+    system = {};
+    target = {};
+    user.default = /* sh */ "$LOGNAME";
+  } (opts: pkgs.writeDash "cmds.test" /* sh */ ''
     set -efu
 
     export dummy_secrets=true
 
-    command=test
-    . ${init.args}
-    \test -n "''${quiet-}" || quiet=false
-    \test -n "''${user-}" || user=$LOGNAME
-    \test -n "''${source_file}" || source_file=$user/1systems/$system/source.nix
     . ${init.env}
-    . ${init.proxy}
+    . ${init.proxy opts}
 
     exec ${utils.build} config.system.build.toplevel
-  '';
+  '');
 
   #
   # low level commands
@@ -163,28 +156,6 @@ let
     echo
   '';
 
-  init.args = pkgs.writeText "init.args" /* sh */ ''
-    args=$(${pkgs.utillinux}/bin/getopt -n "$command" -s sh \
-        -o Qs:t:u: \
-        -l force-populate,quiet,source:,system:,target:,user: \
-        -- "$@")
-    if \test $? != 0; then exit 1; fi
-    eval set -- "$args"
-    force_populate=false
-    source_file=
-    while :; do case $1 in
-         --force-populate) force_populate=true; shift;;
-      -Q|--quiet) quiet=true; shift;;
-         --source) source_file=$2; shift 2;;
-      -s|--system) system=$2; shift 2;;
-      -t|--target) target=$2; shift 2;;
-      -u|--user) user=$2; shift 2;;
-      --) shift; break;;
-    esac; done
-    for arg; do echo "$command: bad argument: $arg" >&2; done
-    if \test $# != 0; then exit 2; fi
-  '';
-
   init.env = pkgs.writeText "init.env" /* sh */ ''
     export quiet
     export system
@@ -201,7 +172,7 @@ let
     export target_local="$(echo $target_object | ${pkgs.jq}/bin/jq -r .local)"
   '';
 
-  init.proxy = pkgs.writeText "init.proxy" /* sh */ ''
+  init.proxy = opts: pkgs.writeText "init.proxy" /* sh */ ''
     if \test "''${using_proxy-}" != true; then
 
       source=$(get-source "$source_file")
@@ -219,11 +190,12 @@ let
             NIX_PATH=$(quote "$target_path") \
             STOCKHOLM_VERSION=$(quote "$STOCKHOLM_VERSION") \
             nix-shell --run "$(quote "
-              quiet=$(quote "$quiet") \
-              system=$(quote "$system") \
-              target=$(quote "$target") \
+              ${lib.concatStringsSep " " (lib.mapAttrsToList
+                (name: opt: /* sh */ "${opt.varname}=\$(quote ${opt.ref})")
+                opts
+              )} \
               using_proxy=true \
-              $(quote "$command" "$@")
+              $(quote "$0" "$@")
             ")"
       fi
     fi
diff --git a/tv/1systems/xu/config.nix b/tv/1systems/xu/config.nix
index 0abd544ce..0363c983d 100644
--- a/tv/1systems/xu/config.nix
+++ b/tv/1systems/xu/config.nix
@@ -16,6 +16,7 @@ with import <stockholm/lib>;
     <stockholm/tv/2configs/pulse.nix>
     <stockholm/tv/2configs/retiolum.nix>
     <stockholm/tv/2configs/binary-cache>
+    <stockholm/tv/2configs/br.nix>
     <stockholm/tv/2configs/xserver>
     {
       environment.systemPackages = with pkgs; [
@@ -155,5 +156,10 @@ with import <stockholm/lib>;
   # The NixOS release to be compatible with for stateful data such as databases.
   system.stateVersion = "15.09";
 
+  tv.nixpkgs-overlays = {
+    krebs = "/home/tv/stockholm/krebs/5pkgs";
+    tv = "/home/tv/stockholm/tv/5pkgs";
+  };
+
   virtualisation.virtualbox.host.enable = true;
 }
diff --git a/tv/2configs/br.nix b/tv/2configs/br.nix
new file mode 100644
index 000000000..c7eb20e90
--- /dev/null
+++ b/tv/2configs/br.nix
@@ -0,0 +1,49 @@
+with import <stockholm/lib>;
+{ config, pkgs, ... }: {
+
+  imports = [
+    <nixpkgs/nixos/modules/services/hardware/sane_extra_backends/brscan4.nix>
+  ];
+
+  krebs.nixpkgs.allowUnfreePredicate = pkg: any (flip hasPrefix pkg.name) [
+    "brother-udev-rule-type1-"
+    "brscan4-"
+    "mfcl2700dnlpr-"
+  ];
+
+  hardware.sane = {
+    enable = true;
+    brscan4 = {
+      enable = true;
+      netDevices = {
+        bra = {
+          model = "MFCL2700DN";
+          ip = "10.23.1.214";
+        };
+      };
+    };
+  };
+
+  services.saned.enable = true;
+
+  # usage: scanimage -d "$(find-scanner bra)" --batch --format=tiff --resolution 150  -x 211 -y 298
+  environment.systemPackages = [
+    (pkgs.writeDashBin "find-scanner" ''
+      set -efu
+      name=$1
+      ${pkgs.sane-backends}/bin/scanimage -f '%m %d
+      ' \
+      | ${pkgs.gawk}/bin/awk -v dev="*$name" '$1 == dev { print $2; exit }' \
+      | ${pkgs.gnugrep}/bin/grep .
+    '')
+  ];
+
+  services.printing = {
+    enable = true;
+    drivers = [
+      pkgs.mfcl2700dncupswrapper
+    ];
+  };
+
+  systemd.services.cups.serviceConfig.PrivateTmp = true;
+}
diff --git a/tv/2configs/default.nix b/tv/2configs/default.nix
index 241a16b25..9ad0253a3 100644
--- a/tv/2configs/default.nix
+++ b/tv/2configs/default.nix
@@ -90,11 +90,7 @@ with import <stockholm/lib>;
       environment.variables = {
         NIX_PATH = mkForce (concatStringsSep ":" [
           "secrets=/var/src/stockholm/null"
-          "nixpkgs-overlays=${pkgs.runCommand "nixpkgs-overlays" {} ''
-            mkdir $out
-            ln -s /home/tv/stockholm/krebs/5pkgs $out/krebs
-            ln -s /home/tv/stockholm/tv/5pkgs $out/tv
-          ''}"
+          "nixpkgs-overlays=${config.tv.nixpkgs-overlays}"
           "/var/src"
         ]);
       };
diff --git a/tv/3modules/charybdis/default.nix b/tv/3modules/charybdis/default.nix
index 859dc122c..e252f2e1d 100644
--- a/tv/3modules/charybdis/default.nix
+++ b/tv/3modules/charybdis/default.nix
@@ -52,7 +52,7 @@ in {
     systemd.services.charybdis = {
       wantedBy = [ "multi-user.target" ];
       requires = [ "secret.service" ];
-      after = [ "network.target" "secret.service" ];
+      after = [ "network-online.target" "secret.service" ];
       environment = {
         BANDB_DBPATH = "${cfg.user.home}/ban.db";
       };
diff --git a/tv/3modules/default.nix b/tv/3modules/default.nix
index 83dc212a6..57ffbfab8 100644
--- a/tv/3modules/default.nix
+++ b/tv/3modules/default.nix
@@ -6,6 +6,7 @@ _:
     ./ejabberd
     ./hosts.nix
     ./iptables.nix
+    ./nixpkgs-overlays.nix
     ./x0vncserver.nix
   ];
 }
diff --git a/tv/3modules/nixpkgs-overlays.nix b/tv/3modules/nixpkgs-overlays.nix
new file mode 100644
index 000000000..4eb7a86bd
--- /dev/null
+++ b/tv/3modules/nixpkgs-overlays.nix
@@ -0,0 +1,23 @@
+with import <stockholm/lib>;
+{ config, pkgs, ... }: {
+
+  options.tv.nixpkgs-overlays = mkOption {
+    apply = src:
+      pkgs.runCommand "nixpkgs-overlays" {} ''
+        mkdir $out
+        ${concatStringsSep "\n" (mapAttrsToList (name: path:
+          "ln -s ${shell.escape path} $out/${shell.escape name}"
+        ) src)}
+      '' // {
+        inherit src;
+      };
+    type = types.attrsOf types.absolute-pathname;
+  };
+
+  config = {
+    tv.nixpkgs-overlays = {
+      krebs = mkDefault "/var/src/stockholm/krebs/5pkgs";
+      tv = mkDefault "/var/src/stockholm/tv/5pkgs";
+    };
+  };
+}
diff --git a/tv/5pkgs/simple/mfcl2700dncupswrapper/default.nix b/tv/5pkgs/simple/mfcl2700dncupswrapper/default.nix
new file mode 100644
index 000000000..1ef018b33
--- /dev/null
+++ b/tv/5pkgs/simple/mfcl2700dncupswrapper/default.nix
@@ -0,0 +1,45 @@
+{ coreutils, dpkg, fetchurl, gnugrep, gnused, makeWrapper, mfcl2700dnlpr,
+perl, stdenv }:
+
+stdenv.mkDerivation rec {
+  name = "mfcl2700dncupswrapper-${meta.version}";
+
+  src = fetchurl {
+    url = "http://download.brother.com/welcome/dlf102086/${name}.i386.deb";
+    sha256 = "07w48mah0xbv4h8vsh1qd5cd4b463bx8y6gc5x9pfgsxsy6h6da1";
+  };
+
+  nativeBuildInputs = [ dpkg makeWrapper ];
+
+  phases = [ "installPhase" ];
+
+  installPhase = ''
+    dpkg-deb -x $src $out
+
+    basedir=${mfcl2700dnlpr}/opt/brother/Printers/MFCL2700DN
+    dir=$out/opt/brother/Printers/MFCL2700DN
+
+    substituteInPlace $dir/cupswrapper/brother_lpdwrapper_MFCL2700DN \
+      --replace /usr/bin/perl ${perl}/bin/perl \
+      --replace "basedir =~" "basedir = \"$basedir\"; #" \
+      --replace "PRINTER =~" "PRINTER = \"MFCL2700DN\"; #"
+
+    wrapProgram $dir/cupswrapper/brother_lpdwrapper_MFCL2700DN \
+      --prefix PATH : ${stdenv.lib.makeBinPath [ coreutils gnugrep gnused ]}
+
+    mkdir -p $out/lib/cups/filter
+    mkdir -p $out/share/cups/model
+
+    ln $dir/cupswrapper/brother_lpdwrapper_MFCL2700DN $out/lib/cups/filter
+    ln $dir/cupswrapper/brother-MFCL2700DN-cups-en.ppd $out/share/cups/model
+  '';
+
+  meta = {
+    description = "Brother MFC-L2700DN CUPS wrapper driver";
+    homepage = "http://www.brother.com/";
+    license = stdenv.lib.licenses.gpl2Plus;
+    maintainers = [ stdenv.lib.maintainers.tv ];
+    platforms = stdenv.lib.platforms.linux;
+    version = "3.2.0-1";
+  };
+}
diff --git a/tv/5pkgs/simple/mfcl2700dnlpr/default.nix b/tv/5pkgs/simple/mfcl2700dnlpr/default.nix
new file mode 100644
index 000000000..fc11b53e9
--- /dev/null
+++ b/tv/5pkgs/simple/mfcl2700dnlpr/default.nix
@@ -0,0 +1,44 @@
+{ coreutils, dpkg, fetchurl, ghostscript, gnugrep, gnused, pkgsi686Linux, makeWrapper, perl, stdenv, which }:
+
+stdenv.mkDerivation rec {
+  name = "mfcl2700dnlpr-${meta.version}";
+
+  src = fetchurl {
+    url = "http://download.brother.com/welcome/dlf102085/${name}.i386.deb";
+    sha256 = "170qdzxlqikzvv2wphvfb37m19mn13az4aj88md87ka3rl5knk4m";
+  };
+
+  nativeBuildInputs = [ dpkg makeWrapper ];
+
+  phases = [ "installPhase" ];
+
+  installPhase = ''
+    dpkg-deb -x $src $out
+
+    dir=$out/opt/brother/Printers/MFCL2700DN
+
+    substituteInPlace $dir/lpd/filter_MFCL2700DN \
+      --replace /usr/bin/perl ${perl}/bin/perl \
+      --replace "BR_PRT_PATH =~" "BR_PRT_PATH = \"$dir\"; #" \
+      --replace "PRINTER =~" "PRINTER = \"MFCL2700DN\"; #"
+
+    wrapProgram $dir/lpd/filter_MFCL2700DN \
+      --prefix PATH : ${stdenv.lib.makeBinPath [
+        coreutils ghostscript gnugrep gnused which
+      ]}
+
+    interpreter=${pkgsi686Linux.stdenv.cc.libc.out}/lib/ld-linux.so.2
+    patchelf --set-interpreter "$interpreter" $dir/inf/braddprinter
+    patchelf --set-interpreter "$interpreter" $dir/lpd/brprintconflsr3
+    patchelf --set-interpreter "$interpreter" $dir/lpd/rawtobr3
+  '';
+
+  meta = {
+    description = "Brother MFC-L2700DN LPR driver";
+    homepage = "http://www.brother.com/";
+    license = stdenv.lib.licenses.unfree;
+    maintainers = [ stdenv.lib.maintainers.tv ];
+    platforms = stdenv.lib.platforms.linux;
+    version = "3.2.0-1";
+  };
+}