syncthing: new package and nixos module

nixos/modules/module-list.nix

@@ -198,6 +198,7 @@
   ./services/networking/sabnzbd.nix
   ./services/networking/searx.nix
   ./services/networking/supybot.nix
+  ./services/networking/syncthing.nix
   ./services/networking/ssh/lshd.nix
   ./services/networking/ssh/sshd.nix
   ./services/networking/tftpd.nix

nixos/modules/services/networking/syncthing.nix

@@ -0,0 +1,73 @@
+{ config, pkgs, ... }:
+
+with pkgs.lib;
+
+let
+
+  cfg = config.services.syncthing;
+
+in
+
+{
+
+  ###### interface
+
+  options = {
+
+    services.syncthing = {
+
+      enable = mkOption {
+        default = false;
+        description = ''
+          Whether to enable the Syncthing, self-hosted open-source alternative
+          to Dropbox and BittorrentSync. Initial interface will be
+          available on http://127.0.0.1:8080/.
+        '';
+      };
+
+      user = mkOption {
+        default = "syncthing";
+        description = ''
+          Syncthing will be run under this user (user must exist,
+          this can be your user name).
+        '';
+      };
+
+      dataDir = mkOption {
+        default = "/var/lib/syncthing";
+        description = ''
+          Path where the `.syncthing` (settings and keys) and `Sync`
+          (your synced files) directories will exist. This can be your home
+          directory.
+        '';
+      };
+
+    };
+
+  };
+
+
+  ###### implementation
+
+  config = mkIf config.services.syncthing.enable {
+
+    systemd.services.syncthing =
+      {
+        description = "Syncthing service";
+        after = [ "network.target" ];
+        wantedBy = [ "multi-user.target" ];
+        environment.STNORESTART = "placeholder";  # do not self-restart
+        environment.HOME = "${config.services.syncthing.dataDir}";
+        serviceConfig = {
+          User = "${config.services.syncthing.user}";
+          ExecStart = "${pkgs.syncthing}/bin/syncthing -home=${config.services.syncthing.dataDir}/.syncthing";
+          Restart = "always";
+        };
+
+      };
+
+    environment.systemPackages = [ pkgs.syncthing ];
+
+  };
+
+}

pkgs/applications/networking/syncthing/default.nix

@@ -0,0 +1,51 @@
+{ stdenv, fetchurl, fetchgit, go }:
+
+stdenv.mkDerivation rec {
+  name = "syncthing-${version}";
+  version = "0.7.1";
+
+  src = fetchgit {
+    url = "git://github.com/calmh/syncthing.git";
+    rev = "refs/tags/v${version}";
+    sha256 = "1rja837kimiq15km8cridbm5yxvkm6mkvkwywdi76qf9rm0pcjl1";
+  };
+
+  buildInputs = [ go ];
+
+  buildPhase = ''
+    mkdir -p "./dependencies/src/github.com/calmh/syncthing"
+
+    cp -r "./auto" "./dependencies/src/github.com/calmh/syncthing"
+    cp -r "./buffers" "./dependencies/src/github.com/calmh/syncthing"
+    cp -r "./cid" "./dependencies/src/github.com/calmh/syncthing"
+    cp -r "./discover" "./dependencies/src/github.com/calmh/syncthing"
+    cp -r "./files" "./dependencies/src/github.com/calmh/syncthing"
+    cp -r "./lamport" "./dependencies/src/github.com/calmh/syncthing"
+    cp -r "./protocol" "./dependencies/src/github.com/calmh/syncthing"
+    cp -r "./scanner" "./dependencies/src/github.com/calmh/syncthing"
+    cp -r "./mc" "./dependencies/src/github.com/calmh/syncthing"
+    cp -r "./xdr" "./dependencies/src/github.com/calmh/syncthing"
+
+    export GOPATH="`pwd`/Godeps/_workspace:`pwd`/dependencies"
+
+    go test -cpu=1,2,4 ./...
+
+    mkdir ./bin
+
+    go build -o ./bin/syncthing -ldflags "-w -X main.Version v${version}" ./cmd/syncthing
+    go build -o ./bin/stcli -ldflags "-w -X main.Version v${version}" ./cmd/stcli
+  '';
+
+  installPhase = ''
+    ensureDir $out/bin
+    cp -r ./bin $out
+  '';
+
+  meta = {
+    homepage = http://syncthing.net/;
+    description = "Syncthing replaces Dropbox and BitTorrent Sync with something open, trustworthy and decentralized";
+    license = with stdenv.lib.licenses; mit;
+    maintainers = with stdenv.lib.maintainers; [ matejc ];
+    platforms = with stdenv.lib.platforms; linux;
+  };
+}

pkgs/top-level/all-packages.nix

@@ -9111,6 +9111,8 @@ let
     gpgSupport = true;
   };
 
+  syncthing = callPackage ../applications/networking/syncthing { };
+
   # linux only by now
   synergy = callPackage ../applications/misc/synergy { };