diff --git a/lib/maintainers.nix b/lib/maintainers.nix
index a2aa88a807d..76379a02ffb 100644
--- a/lib/maintainers.nix
+++ b/lib/maintainers.nix
@@ -71,6 +71,7 @@
   auntie = "Jonathan Glines <auntieNeo@gmail.com>";
   avnik = "Alexander V. Nikolaev <avn@avnik.info>";
   aycanirican = "Aycan iRiCAN <iricanaycan@gmail.com>";
+  babariviere = "Bastien Riviere <babariviere@protonmail.com>";
   bachp = "Pascal Bach <pascal.bach@nextrem.ch>";
   backuitist = "Bruno Bieth";
   badi = "Badi' Abdul-Wahid <abdulwahidc@gmail.com>";
@@ -380,6 +381,7 @@
   ledif = "Adam Fidel <refuse@gmail.com>";
   leemachin = "Lee Machin <me@mrl.ee>";
   leenaars = "Michiel Leenaars <ml.software@leenaa.rs>";
+  lejonet = "Daniel Kuehn <daniel@kuehn.se>";
   leonardoce = "Leonardo Cecchi <leonardo.cecchi@gmail.com>";
   lethalman = "Luca Bruno <lucabru@src.gnome.org>";
   lewo = "Antoine Eiche <lewo@abesis.fr>";
diff --git a/nixos/modules/misc/ids.nix b/nixos/modules/misc/ids.nix
index c0c6a6ef924..8d775ffc82d 100644
--- a/nixos/modules/misc/ids.nix
+++ b/nixos/modules/misc/ids.nix
@@ -304,6 +304,7 @@
       mighttpd2 = 285;
       hass = 286;
       monero = 287;
+      ceph = 288;
 
       # When adding a uid, make sure it doesn't match an existing gid. And don't use uids above 399!
 
@@ -576,6 +577,7 @@
       mighttpd2 = 285;
       hass = 286;
       monero = 287;
+      ceph = 288;
 
       # When adding a gid, make sure it doesn't match an existing
       # uid. Users and groups with the same name should have equal
diff --git a/nixos/modules/module-list.nix b/nixos/modules/module-list.nix
index 13a32b968dc..3bb65c6b295 100644
--- a/nixos/modules/module-list.nix
+++ b/nixos/modules/module-list.nix
@@ -439,6 +439,7 @@
   ./services/network-filesystems/u9fs.nix
   ./services/network-filesystems/yandex-disk.nix
   ./services/network-filesystems/xtreemfs.nix
+  ./services/network-filesystems/ceph.nix
   ./services/networking/amuled.nix
   ./services/networking/aria2.nix
   ./services/networking/asterisk.nix
diff --git a/nixos/modules/services/network-filesystems/ceph.nix b/nixos/modules/services/network-filesystems/ceph.nix
new file mode 100644
index 00000000000..5de8ae79a24
--- /dev/null
+++ b/nixos/modules/services/network-filesystems/ceph.nix
@@ -0,0 +1,371 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+
+let
+  ceph = pkgs.ceph;
+  cfg  = config.services.ceph;
+  # function that translates "camelCaseOptions" to "camel case options", credits to tilpner in #nixos@freenode
+  translateOption = replaceStrings upperChars (map (s: " ${s}") lowerChars);
+  generateDaemonList = (daemonType: daemons: extraServiceConfig:
+    mkMerge (
+      map (daemon: 
+        { "ceph-${daemonType}-${daemon}" = generateServiceFile daemonType daemon cfg.global.clusterName ceph extraServiceConfig; }
+      ) daemons
+    )
+  );
+  generateServiceFile = (daemonType: daemonId: clusterName: ceph: extraServiceConfig: {
+    enable = true;
+    description = "Ceph ${builtins.replaceStrings lowerChars upperChars daemonType} daemon ${daemonId}";
+    after = [ "network-online.target" "local-fs.target" "time-sync.target" ] ++ optional (daemonType == "osd") "ceph-mon.target";
+    wants = [ "network-online.target" "local-fs.target" "time-sync.target" ];
+    partOf = [ "ceph-${daemonType}.target" ];
+    wantedBy = [ "ceph-${daemonType}.target" ];
+
+    serviceConfig = {
+      LimitNOFILE = 1048576;
+      LimitNPROC = 1048576;
+      Environment = "CLUSTER=${clusterName}";
+      ExecReload = "${pkgs.coreutils}/bin/kill -HUP $MAINPID";
+      PrivateDevices = "yes";
+      PrivateTmp = "true";
+      ProtectHome = "true";
+      ProtectSystem = "full";
+      Restart = "on-failure";
+      StartLimitBurst = "5";
+      StartLimitInterval = "30min";
+      ExecStart = "${ceph.out}/bin/${if daemonType == "rgw" then "radosgw" else "ceph-${daemonType}"} -f --cluster ${clusterName} --id ${if daemonType == "rgw" then "client.${daemonId}" else daemonId} --setuser ceph --setgroup ceph";
+    } // extraServiceConfig
+      // optionalAttrs (daemonType == "osd") { ExecStartPre = "${ceph.out}/libexec/ceph/ceph-osd-prestart.sh --id ${daemonId} --cluster ${clusterName}"; };
+    } // optionalAttrs (builtins.elem daemonType [ "mds" "mon" "rgw" "mgr" ]) { preStart = ''
+        daemonPath="/var/lib/ceph/${if daemonType == "rgw" then "radosgw" else daemonType}/${clusterName}-${daemonId}"
+        if [ ! -d ''$daemonPath ]; then
+          mkdir -m 755 -p ''$daemonPath
+          chown -R ceph:ceph ''$daemonPath 
+        fi
+      '';
+    } // optionalAttrs (daemonType == "osd") { path = [ pkgs.getopt ]; }
+  );
+  generateTargetFile = (daemonType:
+    {
+      "ceph-${daemonType}" = {
+        description = "Ceph target allowing to start/stop all ceph-${daemonType} services at once";
+        partOf = [ "ceph.target" ];
+        before = [ "ceph.target" ];
+      };
+    }
+  );
+in 
+{
+  options.services.ceph = {
+    # Ceph has a monolithic configuration file but different sections for
+    # each daemon, a separate client section and a global section
+    enable = mkEnableOption "Ceph global configuration";
+
+    global = {
+      fsid = mkOption {
+        type = types.str;
+        example = ''
+          433a2193-4f8a-47a0-95d2-209d7ca2cca5
+        '';
+        description = ''
+          Filesystem ID, a generated uuid, its must be generated and set before
+          attempting to start a cluster
+        '';
+      };
+
+      clusterName = mkOption {
+        type = types.str;
+        default = "ceph";
+        description = ''
+          Name of cluster
+        '';
+      };
+
+      monInitialMembers = mkOption {
+        type = with types; nullOr commas;
+        default = null;
+        example = ''
+          node0, node1, node2 
+        '';
+        description = ''
+          List of hosts that will be used as monitors at startup.
+        '';
+      };
+
+      monHost = mkOption {
+        type = with types; nullOr commas;
+        default = null;
+        example = ''
+          10.10.0.1, 10.10.0.2, 10.10.0.3
+        '';
+        description = ''
+          List of hostname shortnames/IP addresses of the initial monitors.
+        '';
+      };
+
+      maxOpenFiles = mkOption {
+        type = types.int;
+        default = 131072;
+        description = ''
+          Max open files for each OSD daemon.
+        '';
+      };
+
+      authClusterRequired = mkOption {
+        type = types.enum [ "cephx" "none" ];
+        default = "cephx";
+        description = ''
+          Enables requiring daemons to authenticate with eachother in the cluster.
+        '';
+      };
+
+      authServiceRequired = mkOption {
+        type = types.enum [ "cephx" "none" ];
+        default = "cephx";
+        description = ''
+          Enables requiring clients to authenticate with the cluster to access services in the cluster (e.g. radosgw, mds or osd).
+        '';
+      };
+
+      authClientRequired = mkOption {
+        type = types.enum [ "cephx" "none" ];
+        default = "cephx";
+        description = ''
+          Enables requiring the cluster to authenticate itself to the client.
+        '';
+      };
+
+      publicNetwork = mkOption {
+        type = with types; nullOr commas;
+        default = null;
+        example = ''
+          10.20.0.0/24, 192.168.1.0/24
+        '';
+        description = ''
+          A comma-separated list of subnets that will be used as public networks in the cluster.
+        '';
+      };
+
+      clusterNetwork = mkOption {
+        type = with types; nullOr commas;
+        default = null;
+        example = ''
+          10.10.0.0/24, 192.168.0.0/24
+        '';
+        description = ''
+          A comma-separated list of subnets that will be used as cluster networks in the cluster.
+        '';
+      };
+    };
+
+    mgr = {
+      enable = mkEnableOption "Ceph MGR daemon";
+      daemons = mkOption {
+        type = with types; listOf str;
+        default = [];
+        example = ''
+          [ "name1" "name2" ];
+        '';
+        description = ''
+          A list of names for manager daemons that should have a service created. The names correspond
+          to the id part in ceph i.e. [ "name1" ] would result in mgr.name1
+        '';
+      };
+      extraConfig = mkOption {
+        type = with types; attrsOf str;
+        default = {};
+        description = ''
+          Extra configuration to add to the global section for manager daemons.
+        '';
+      };
+    };
+
+    mon = {
+      enable = mkEnableOption "Ceph MON daemon";
+      daemons = mkOption {
+        type = with types; listOf str;
+        default = [];
+        example = ''
+          [ "name1" "name2" ];
+        '';
+        description = ''
+          A list of monitor daemons that should have a service created. The names correspond
+          to the id part in ceph i.e. [ "name1" ] would result in mon.name1
+        '';
+      };
+      extraConfig = mkOption {
+        type = with types; attrsOf str;
+        default = {};
+        description = ''
+          Extra configuration to add to the monitor section.
+        '';
+      };
+    };
+
+    osd = {
+      enable = mkEnableOption "Ceph OSD daemon";
+      daemons = mkOption {
+        type = with types; listOf str;
+        default = [];
+        example = ''
+          [ "name1" "name2" ];
+        '';
+        description = ''
+          A list of OSD daemons that should have a service created. The names correspond
+          to the id part in ceph i.e. [ "name1" ] would result in osd.name1
+        '';
+      };
+      extraConfig = mkOption {
+        type = with types; attrsOf str;
+        default = {
+          "osd journal size" = "10000";
+          "osd pool default size" = "3";
+          "osd pool default min size" = "2";
+          "osd pool default pg num" = "200";
+          "osd pool default pgp num" = "200";
+          "osd crush chooseleaf type" = "1";
+        };
+        description = ''
+          Extra configuration to add to the OSD section.
+        '';
+      };
+    };
+
+    mds = {
+      enable = mkEnableOption "Ceph MDS daemon";
+      daemons = mkOption {
+        type = with types; listOf str;
+        default = [];
+        example = ''
+          [ "name1" "name2" ];
+        '';
+        description = ''
+          A list of metadata service daemons that should have a service created. The names correspond
+          to the id part in ceph i.e. [ "name1" ] would result in mds.name1
+        '';
+      };
+      extraConfig = mkOption {
+        type = with types; attrsOf str;
+        default = {};
+        description = ''
+          Extra configuration to add to the MDS section.
+        '';
+      };
+    };
+
+    rgw = {
+      enable = mkEnableOption "Ceph RadosGW daemon";
+      daemons = mkOption {
+        type = with types; listOf str;
+        default = [];
+        example = ''
+          [ "name1" "name2" ];
+        '';
+        description = ''
+          A list of rados gateway daemons that should have a service created. The names correspond
+          to the id part in ceph i.e. [ "name1" ] would result in client.name1, radosgw daemons
+          aren't daemons to cluster in the sense that OSD, MGR or MON daemons are. They are simply
+          daemons, from ceph, that uses the cluster as a backend.
+        '';
+      };
+    };
+
+    client = {
+      enable = mkEnableOption "Ceph client configuration";
+      extraConfig = mkOption {
+        type = with types; attrsOf str;
+        default = {};
+        example = ''
+          {
+            # This would create a section for a radosgw daemon named node0 and related
+            # configuration for it
+            "client.radosgw.node0" = { "some config option" = "true"; };
+          };
+        '';
+        description = ''
+          Extra configuration to add to the client section. Configuration for rados gateways
+          would be added here, with their own sections, see example.
+        '';
+      };
+    };
+  };
+
+  config = mkIf config.services.ceph.enable {
+    assertions = [
+      { assertion = cfg.global.fsid != "";
+        message = "fsid has to be set to a valid uuid for the cluster to function";
+      }
+      { assertion = cfg.mgr.enable == true;
+        message = "ceph 12.x requires atleast 1 MGR daemon enabled for the cluster to function";
+      }
+      { assertion = cfg.mon.enable == true -> cfg.mon.daemons != [];
+        message = "have to set id of atleast one MON if you're going to enable Monitor";
+      }
+      { assertion = cfg.mds.enable == true -> cfg.mds.daemons != [];
+        message = "have to set id of atleast one MDS if you're going to enable Metadata Service";
+      }
+      { assertion = cfg.osd.enable == true -> cfg.osd.daemons != [];
+        message = "have to set id of atleast one OSD if you're going to enable OSD";
+      }
+      { assertion = cfg.mgr.enable == true -> cfg.mgr.daemons != [];
+        message = "have to set id of atleast one MGR if you're going to enable MGR";
+      }
+    ];
+
+    warnings = optional (cfg.global.monInitialMembers == null) 
+      ''Not setting up a list of members in monInitialMembers requires that you set the host variable for each mon daemon or else the cluster won't function'';
+    
+    environment.etc."ceph/ceph.conf".text = let
+      # Translate camelCaseOptions to the expected camel case option for ceph.conf
+      translatedGlobalConfig = mapAttrs' (name: value: nameValuePair (translateOption name) value) cfg.global;
+      # Merge the extraConfig set for mgr daemons, as mgr don't have their own section
+      globalAndMgrConfig = translatedGlobalConfig // optionalAttrs cfg.mgr.enable cfg.mgr.extraConfig;
+      # Remove all name-value pairs with null values from the attribute set to avoid making empty sections in the ceph.conf
+      globalConfig = mapAttrs' (name: value: nameValuePair (translateOption name) value) (filterAttrs (name: value: value != null) globalAndMgrConfig);
+      totalConfig = {
+          "global" = globalConfig;
+        } // optionalAttrs (cfg.mon.enable && cfg.mon.extraConfig != {}) { "mon" = cfg.mon.extraConfig; }
+          // optionalAttrs (cfg.mds.enable && cfg.mds.extraConfig != {}) { "mds" = cfg.mds.extraConfig; }
+          // optionalAttrs (cfg.osd.enable && cfg.osd.extraConfig != {}) { "osd" = cfg.osd.extraConfig; }
+          // optionalAttrs (cfg.client.enable && cfg.client.extraConfig != {})  cfg.client.extraConfig;
+      in
+        generators.toINI {} totalConfig;
+
+    users.extraUsers = singleton {
+      name = "ceph";
+      uid = config.ids.uids.ceph;
+      description = "Ceph daemon user";
+    };
+
+    users.extraGroups = singleton {
+      name = "ceph";
+      gid = config.ids.gids.ceph;
+    };
+
+    systemd.services = let
+      services = [] 
+        ++ optional cfg.mon.enable (generateDaemonList "mon" cfg.mon.daemons { RestartSec = "10"; }) 
+        ++ optional cfg.mds.enable (generateDaemonList "mds" cfg.mds.daemons { StartLimitBurst = "3"; })
+        ++ optional cfg.osd.enable (generateDaemonList "osd" cfg.osd.daemons { StartLimitBurst = "30"; RestartSec = "20s"; })
+        ++ optional cfg.rgw.enable (generateDaemonList "rgw" cfg.rgw.daemons { })
+        ++ optional cfg.mgr.enable (generateDaemonList "mgr" cfg.mgr.daemons { StartLimitBurst = "3"; });
+      in 
+        mkMerge services;
+
+    systemd.targets = let
+      targets = [
+        { "ceph" = { description = "Ceph target allowing to start/stop all ceph service instances at once"; }; }
+      ] ++ optional cfg.mon.enable (generateTargetFile "mon")
+        ++ optional cfg.mds.enable (generateTargetFile "mds")
+        ++ optional cfg.osd.enable (generateTargetFile "osd")
+        ++ optional cfg.rgw.enable (generateTargetFile "rgw")
+        ++ optional cfg.mgr.enable (generateTargetFile "mgr");
+      in
+        mkMerge targets;
+
+    systemd.tmpfiles.rules = [
+      "d /run/ceph 0770 ceph ceph -"
+    ];
+  };
+}
diff --git a/nixos/modules/system/boot/networkd.nix b/nixos/modules/system/boot/networkd.nix
index eea10613ea5..7bf7a51a241 100644
--- a/nixos/modules/system/boot/networkd.nix
+++ b/nixos/modules/system/boot/networkd.nix
@@ -650,7 +650,11 @@ let
   unitFiles = map (name: {
     target = "systemd/network/${name}";
     source = "${cfg.units.${name}.unit}/${name}";
-  }) (attrNames cfg.units);
+  }) (attrNames cfg.units) ++
+  (map (entry: {
+    target = "systemd/network/${entry}";
+    source = "${config.systemd.package}/lib/systemd/network/${entry}";
+  }) (attrNames (builtins.readDir "${config.systemd.package}/lib/systemd/network")));
 in
 
 {
diff --git a/nixos/release.nix b/nixos/release.nix
index 558bbbf9a9d..473b11313be 100644
--- a/nixos/release.nix
+++ b/nixos/release.nix
@@ -230,6 +230,7 @@ in rec {
   tests.borgbackup = callTest tests/borgbackup.nix {};
   tests.buildbot = callTest tests/buildbot.nix {};
   tests.cadvisor = callTestOnTheseSystems ["x86_64-linux"] tests/cadvisor.nix {};
+  tests.ceph = callTestOnTheseSystems ["x86_64-linux"] tests/ceph.nix {};
   tests.chromium = (callSubTestsOnTheseSystems ["x86_64-linux"] tests/chromium.nix {}).stable;
   tests.cjdns = callTest tests/cjdns.nix {};
   tests.cloud-init = callTest tests/cloud-init.nix {};
diff --git a/nixos/tests/ceph.nix b/nixos/tests/ceph.nix
new file mode 100644
index 00000000000..b9993062c07
--- /dev/null
+++ b/nixos/tests/ceph.nix
@@ -0,0 +1,140 @@
+import ./make-test.nix ({pkgs, ...}: rec {
+  name = "All-in-one-basic-ceph-cluster";
+  meta = with pkgs.stdenv.lib.maintainers; {
+    maintainers = [ lejonet ];
+  };
+
+  nodes = {
+    aio = { config, pkgs, ... }: {
+      virtualisation = {
+        emptyDiskImages = [ 20480 20480 ];
+        vlans = [ 1 ];
+      };
+      
+      networking = {
+        firewall.allowPing = true;
+        useDHCP = false;
+        interfaces.eth1.ipv4.addresses = pkgs.lib.mkOverride 0 [
+          { address = "192.168.1.1"; prefixLength = 24; }
+        ];
+      };
+
+      environment.systemPackages = with pkgs; [
+        bash
+        sudo
+        ceph
+        xfsprogs
+      ];
+      nixpkgs.config.packageOverrides = super: {
+        ceph = super.ceph.override({ nss = super.nss; libxfs = super.libxfs; libaio = super.libaio; jemalloc = super.jemalloc; });
+      };
+
+      boot.kernelModules = [ "xfs" ];
+
+      services.ceph.enable = true;
+      services.ceph.global = {
+        fsid = "066ae264-2a5d-4729-8001-6ad265f50b03";
+        monInitialMembers = "aio";
+        monHost = "192.168.1.1";
+      };
+
+      services.ceph.mon = {
+        enable = true;
+        daemons = [ "aio" ];
+      };
+
+      services.ceph.mgr = {
+        enable = true;
+        daemons = [ "aio" ];
+      };
+
+      services.ceph.osd = {
+        enable = true;
+        daemons = [ "0" "1" ];
+      };
+    };
+  };
+  
+  testScript = { nodes, ... }: ''
+    startAll;
+
+    $aio->waitForUnit("network.target");
+
+    # Create the ceph-related directories
+    $aio->mustSucceed(
+      "mkdir -p /var/lib/ceph/mgr/ceph-aio/",
+      "mkdir -p /var/lib/ceph/mon/ceph-aio/",
+      "mkdir -p /var/lib/ceph/osd/ceph-{0..1}/",
+      "chown ceph:ceph -R /var/lib/ceph/"
+    );
+
+    # Bootstrap ceph-mon daemon
+    $aio->mustSucceed(
+      "mkdir -p /var/lib/ceph/bootstrap-osd && chown ceph:ceph /var/lib/ceph/bootstrap-osd",
+      "sudo -u ceph ceph-authtool --create-keyring /tmp/ceph.mon.keyring --gen-key -n mon. --cap mon 'allow *'",
+      "ceph-authtool --create-keyring /etc/ceph/ceph.client.admin.keyring --gen-key -n client.admin --set-uid=0 --cap mon 'allow *' --cap osd 'allow *' --cap mds 'allow *' --cap mgr 'allow *'",
+      "ceph-authtool /tmp/ceph.mon.keyring --import-keyring /etc/ceph/ceph.client.admin.keyring",
+            "monmaptool --create --add aio 192.168.1.1 --fsid 066ae264-2a5d-4729-8001-6ad265f50b03 /tmp/monmap",
+      "sudo -u ceph ceph-mon --mkfs -i aio --monmap /tmp/monmap --keyring /tmp/ceph.mon.keyring",
+      "touch /var/lib/ceph/mon/ceph-aio/done",
+      "systemctl start ceph-mon-aio"
+    );
+    $aio->waitForUnit("ceph-mon-aio");
+
+    # Can't check ceph status until a mon is up
+    $aio->succeed("ceph -s | grep 'mon: 1 daemons'");
+          
+    # Start the ceph-mgr daemon, it has no deps and hardly any setup
+    $aio->mustSucceed(
+      "ceph auth get-or-create mgr.aio mon 'allow profile mgr' osd 'allow *' mds 'allow *' > /var/lib/ceph/mgr/ceph-aio/keyring",
+      "systemctl start ceph-mgr-aio"
+    );
+    $aio->waitForUnit("ceph-mgr-aio");
+    $aio->waitUntilSucceeds("ceph -s | grep 'quorum aio'");
+
+    # Bootstrap both OSDs
+    $aio->mustSucceed(
+      "mkfs.xfs /dev/vdb",
+      "mkfs.xfs /dev/vdc",
+      "mount /dev/vdb /var/lib/ceph/osd/ceph-0",
+      "mount /dev/vdc /var/lib/ceph/osd/ceph-1",
+      "ceph-authtool --create-keyring /var/lib/ceph/osd/ceph-0/keyring --name osd.0 --add-key AQBCEJNa3s8nHRAANvdsr93KqzBznuIWm2gOGg==",
+      "ceph-authtool --create-keyring /var/lib/ceph/osd/ceph-1/keyring --name osd.1 --add-key AQBEEJNac00kExAAXEgy943BGyOpVH1LLlHafQ==",
+      "echo '{\"cephx_secret\": \"AQBCEJNa3s8nHRAANvdsr93KqzBznuIWm2gOGg==\"}' | ceph osd new 55ba2294-3e24-478f-bee0-9dca4c231dd9 -i -",
+      "echo '{\"cephx_secret\": \"AQBEEJNac00kExAAXEgy943BGyOpVH1LLlHafQ==\"}' | ceph osd new 5e97a838-85b6-43b0-8950-cb56d554d1e5 -i -"
+    );
+
+    # Initialize the OSDs with regular filestore
+    $aio->mustSucceed(
+      "ceph-osd -i 0 --mkfs --osd-uuid 55ba2294-3e24-478f-bee0-9dca4c231dd9",
+      "ceph-osd -i 1 --mkfs --osd-uuid 5e97a838-85b6-43b0-8950-cb56d554d1e5",
+      "chown -R ceph:ceph /var/lib/ceph/osd",
+      "systemctl start ceph-osd-0",
+      "systemctl start ceph-osd-1"
+    );
+
+    $aio->waitUntilSucceeds("ceph osd stat | grep '2 osds: 2 up, 2 in'");
+    $aio->waitUntilSucceeds("ceph -s | grep 'mgr: aio(active)'");
+    $aio->waitUntilSucceeds("ceph -s | grep 'HEALTH_OK'");
+
+    $aio->mustSucceed(
+      "ceph osd pool create aio-test 100 100",
+      "ceph osd pool ls | grep 'aio-test'",
+      "ceph osd pool rename aio-test aio-other-test",
+      "ceph osd pool ls | grep 'aio-other-test'",
+      "ceph -s | grep '1 pools, 100 pgs'",
+      "ceph osd getcrushmap -o crush",
+      "crushtool -d crush -o decrushed",
+      "sed 's/step chooseleaf firstn 0 type host/step chooseleaf firstn 0 type osd/' decrushed > modcrush",
+      "crushtool -c modcrush -o recrushed",
+      "ceph osd setcrushmap -i recrushed",
+      "ceph osd pool set aio-other-test size 2"
+    );
+    $aio->waitUntilSucceeds("ceph -s | grep 'HEALTH_OK'");
+    $aio->waitUntilSucceeds("ceph -s | grep '100 active+clean'");
+    $aio->mustFail(
+      "ceph osd pool ls | grep 'aio-test'",
+      "ceph osd pool delete aio-other-test aio-other-test --yes-i-really-really-mean-it"
+    );
+  '';
+})
diff --git a/pkgs/applications/audio/praat/default.nix b/pkgs/applications/audio/praat/default.nix
index 2bb2960afbf..94b240ebb02 100644
--- a/pkgs/applications/audio/praat/default.nix
+++ b/pkgs/applications/audio/praat/default.nix
@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation rec {
   name = "praat-${version}";
-  version = "5.4.17";
+  version = "6.0.37";
 
   src = fetchurl {
     url = "https://github.com/praat/praat/archive/v${version}.tar.gz";
-    sha256 = "0s2hrksghg686059vc90h3ywhd2702pqcvy99icw27q5mdk6dqsx";
+    sha256 = "1c675jfzcrwfn8lcswm5y5kmazkhnb0p4mzlf5sim57hms88ffjq";
   };
 
   configurePhase = ''
diff --git a/pkgs/applications/audio/qmidiroute/default.nix b/pkgs/applications/audio/qmidiroute/default.nix
index 1e76e769937..7f5191a02c2 100644
--- a/pkgs/applications/audio/qmidiroute/default.nix
+++ b/pkgs/applications/audio/qmidiroute/default.nix
@@ -1,12 +1,12 @@
 { stdenv, fetchurl, pkgconfig, qt4, alsaLib }:
 
 stdenv.mkDerivation rec {
-  version = "0.3.0";
+  version = "0.4.0";
   name = "qmidiroute-${version}";
 
   src = fetchurl {
     url = "mirror://sourceforge/project/alsamodular/QMidiRoute/${version}/${name}.tar.gz";
-    sha256 = "11bfjz14z37v6hk2xyg4vrw423b5h3qgcbviv07g00ws1fgjygm2";
+    sha256 = "0vmjwarsxr5540rafhmdcc62yarf0w2l05bjjl9s28zzr5m39z3n";
   };
 
   nativeBuildInputs = [ pkgconfig ];
diff --git a/pkgs/applications/audio/rosegarden/default.nix b/pkgs/applications/audio/rosegarden/default.nix
index 5966d4253f5..d881afa7f5f 100644
--- a/pkgs/applications/audio/rosegarden/default.nix
+++ b/pkgs/applications/audio/rosegarden/default.nix
@@ -3,12 +3,12 @@
 , liblo, liblrdf, libsamplerate, libsndfile, lirc ? null, qtbase }:
 
 stdenv.mkDerivation (rec {
-  version = "17.04";
+  version = "17.12.1";
   name = "rosegarden-${version}";
 
   src = fetchurl {
     url = "mirror://sourceforge/rosegarden/${name}.tar.bz2";
-    sha256 = "1khfcj22asdhjh0jvhkqsz200wgmigkhsrcz09ffia5hqm0n32lq";
+    sha256 = "155kqbxg85wqv0w97cmmx8wq0r4xb3qpnk20lfma04vj8k6hc1mg";
   };
 
   patchPhase = ''
diff --git a/pkgs/applications/graphics/krita/default.nix b/pkgs/applications/graphics/krita/default.nix
index 791cd7be2d0..1f7e779e88a 100644
--- a/pkgs/applications/graphics/krita/default.nix
+++ b/pkgs/applications/graphics/krita/default.nix
@@ -29,7 +29,7 @@ mkDerivation rec {
   NIX_CFLAGS_COMPILE = [ "-I${ilmbase.dev}/include/OpenEXR" ];
 
   meta = with lib; {
-    description = "A free an open source painting application";
+    description = "A free and open source painting application";
     homepage = https://krita.org/;
     maintainers = with maintainers; [ abbradar ];
     platforms = platforms.linux;
diff --git a/pkgs/applications/misc/redshift/default.nix b/pkgs/applications/misc/redshift/default.nix
index 594886149c5..b7ab092bbc0 100644
--- a/pkgs/applications/misc/redshift/default.nix
+++ b/pkgs/applications/misc/redshift/default.nix
@@ -42,10 +42,8 @@ stdenv.mkDerivation rec {
   pythonPath = [ pygobject3 pyxdg ];
 
   preConfigure = "./bootstrap";
-  postFixup = ''
-    wrapPythonPrograms
-    rm "$out/share/icons/hicolor/icon-theme.cache"
-  '';
+
+  postFixup = "wrapPythonPrograms";
 
   enableParallelBuilding = true;
 
diff --git a/pkgs/applications/misc/regextester/default.nix b/pkgs/applications/misc/regextester/default.nix
new file mode 100644
index 00000000000..c1b1cfb48a2
--- /dev/null
+++ b/pkgs/applications/misc/regextester/default.nix
@@ -0,0 +1,54 @@
+{ stdenv
+, fetchFromGitHub
+, gettext
+, libxml2
+, pkgconfig
+, gtk3
+, granite
+, gnome3
+, cmake
+, ninja
+, vala
+, elementary-cmake-modules
+, wrapGAppsHook }:
+
+stdenv.mkDerivation rec {
+  name = "regextester-${version}";
+  version = "0.1.7";
+
+  src = fetchFromGitHub {
+    owner = "artemanufrij";
+    repo = "regextester";
+    rev = version;
+    sha256 = "07shdm10dc7jz2hka5dc51yp81a0dgc47nmkrp6fs6r9wqx0j30n";
+  };
+
+  XDG_DATA_DIRS = stdenv.lib.concatStringsSep ":" [
+    "${granite}/share"
+    "${gnome3.libgee}/share"
+  ];
+
+  nativeBuildInputs = [
+    pkgconfig
+    wrapGAppsHook
+    vala
+    cmake
+    ninja
+    gettext
+    libxml2
+    elementary-cmake-modules
+  ];
+  buildInputs = [
+    gtk3
+    granite
+    gnome3.libgee
+  ];
+
+  meta = with stdenv.lib; {
+    description = "A desktop application to test regular expressions interactively";
+    homepage = https://github.com/artemanufrij/regextester;
+    maintainers = with maintainers; [ samdroid-apps ];
+    platforms = platforms.linux;
+    license = licenses.gpl2Plus;
+  };
+}
diff --git a/pkgs/applications/networking/feedreaders/rssguard/default.nix b/pkgs/applications/networking/feedreaders/rssguard/default.nix
index 0a89ec6023b..297703cde69 100644
--- a/pkgs/applications/networking/feedreaders/rssguard/default.nix
+++ b/pkgs/applications/networking/feedreaders/rssguard/default.nix
@@ -3,25 +3,19 @@
 stdenv.mkDerivation rec {
   name = "${pname}-${version}";
   pname = "rssguard";
-  version = "3.5.5";
+  version = "3.5.6";
 
   src = fetchFromGitHub {
     owner = "martinrotter";
     repo = pname;
     rev = version;
-    sha256 = "0swjh664y1yqr1rn3ym2kicyx7r97ypr4qf7qrjl4a5q1spzsv48";
+    sha256 = "1pdas7hg3nzykm3qi951fk25c9s6gjb7my82b9xzjn2yd7ks71by";
   };
 
   buildInputs =  [ qtwebengine qttools ];
   nativeBuildInputs = [ qmake wrapGAppsHook ];
   qmakeFlags = [ "CONFIG+=release" ];
 
-  # FIXME: This shouldn't be needed after 3.5.5.
-  # See: https://github.com/martinrotter/rssguard/issues/175
-  preConfigure = ''
-    lrelease rssguard.pro
-  '';
-
   meta = with stdenv.lib; {
     description = "Simple RSS/Atom feed reader with online synchronization";
     longDescription = ''
diff --git a/pkgs/applications/office/skrooge/default.nix b/pkgs/applications/office/skrooge/default.nix
index 0e0cb2ecf1d..de9bfe64e5c 100644
--- a/pkgs/applications/office/skrooge/default.nix
+++ b/pkgs/applications/office/skrooge/default.nix
@@ -7,11 +7,11 @@
 
 mkDerivation rec {
   name = "skrooge-${version}";
-  version = "2.10.5";
+  version = "2.11.0";
 
   src = fetchurl {
     url = "http://download.kde.org/stable/skrooge/${name}.tar.xz";
-    sha256 = "1c1yihypb6qgbzfcrw4ylqr9zivyba10xzvibrmfkrilxi6i582n";
+    sha256 = "11ns0j3ss09aqd8snfzd52xf0cgsjjcgzalb031p7v17rn14yqaq";
   };
 
   nativeBuildInputs = [
diff --git a/pkgs/applications/science/misc/root/default.nix b/pkgs/applications/science/misc/root/default.nix
index 676395d03d5..2899bee636e 100644
--- a/pkgs/applications/science/misc/root/default.nix
+++ b/pkgs/applications/science/misc/root/default.nix
@@ -4,11 +4,11 @@
 
 stdenv.mkDerivation rec {
   name = "root-${version}";
-  version = "6.10.08";
+  version = "6.12.06";
 
   src = fetchurl {
     url = "https://root.cern.ch/download/root_v${version}.source.tar.gz";
-    sha256 = "12mddl6pqwwc9nr4jqzp6h1jm4zycazd3v88dz306m1nmk97dlic";
+    sha256 = "1557b9sdragsx9i15qh6lq7fn056bgi87d31kxdl4vl0awigvp5f";
   };
 
   nativeBuildInputs = [ pkgconfig ];
diff --git a/pkgs/applications/version-management/rabbitvcs/default.nix b/pkgs/applications/version-management/rabbitvcs/default.nix
index 2d77a9c3265..d3b027fada6 100644
--- a/pkgs/applications/version-management/rabbitvcs/default.nix
+++ b/pkgs/applications/version-management/rabbitvcs/default.nix
@@ -1,14 +1,14 @@
 { fetchFromGitHub, lib, python2Packages, meld, subversion, gvfs, xdg_utils }:
 python2Packages.buildPythonApplication rec {
   name = "rabbitvcs-${version}";
-  version = "0.16";
+  version = "0.17.1";
   namePrefix = "";
 
   src = fetchFromGitHub {
     owner = "rabbitvcs";
     repo = "rabbitvcs";
     rev = "v${version}";
-    sha256 = "0964pdylrx4n9c9l8ncwv4q1p63y4hadb5v4pgvm0m2fah2jlkly";
+    sha256 = "01cr16zf3gzsci1hhfli79m34fcx5m1pvswl16rkxxn212yc9fhy";
   };
 
   pythonPath = with python2Packages; [ configobj dbus-python pygobject2 pygtk simplejson pysvn dulwich tkinter gvfs xdg_utils ];
diff --git a/pkgs/applications/video/mkvtoolnix/default.nix b/pkgs/applications/video/mkvtoolnix/default.nix
index 9324b08efd7..7afc3b502ad 100644
--- a/pkgs/applications/video/mkvtoolnix/default.nix
+++ b/pkgs/applications/video/mkvtoolnix/default.nix
@@ -1,32 +1,36 @@
 { stdenv, fetchFromGitLab, pkgconfig, autoconf, automake, libiconv
-, drake, ruby, docbook_xsl, file, xdg_utils, gettext, expat, qt5, boost
+, drake, ruby, docbook_xsl, file, xdg_utils, gettext, expat, boost
 , libebml, zlib, libmatroska, libogg, libvorbis, flac, libxslt, cmark
 , withGUI ? true
+  , qtbase ? null
+  , qtmultimedia ? null
 }:
 
-assert withGUI -> qt5 != null;
+assert withGUI -> qtbase != null && qtmultimedia != null;
 
 with stdenv.lib;
 
 stdenv.mkDerivation rec {
   name = "mkvtoolnix-${version}";
-  version = "20.0.0";
+  version = "21.0.0";
 
   src = fetchFromGitLab {
-    owner = "mbunkus";
-    repo = "mkvtoolnix";
-    rev = "release-${version}";
-    sha256 = "0qrjvvp0pvw9i91rh0zrxpclq7xap2dpjip0s5bm4gv14gh4l4mc";
+    owner  = "mbunkus";
+    repo   = "mkvtoolnix";
+    rev    = "release-${version}";
+    sha256 = "06nixp0qqa6g2fv40f7l0i0sqbc7qswpgq4534l98nan08wjbk2r";
   };
 
-  nativeBuildInputs = [ pkgconfig autoconf automake gettext drake ruby docbook_xsl libxslt ];
+  nativeBuildInputs = [
+    pkgconfig autoconf automake gettext
+    drake ruby docbook_xsl libxslt
+  ];
 
   buildInputs = [
-    expat file xdg_utils boost libebml zlib libmatroska libogg
-    libvorbis flac cmark
-  ]
-  ++ optional stdenv.isDarwin libiconv
-  ++ optionals withGUI [qt5.qtbase qt5.qtmultimedia];
+    expat file xdg_utils boost libebml zlib
+    libmatroska libogg libvorbis flac cmark
+  ] ++ optional  stdenv.isDarwin libiconv
+    ++ optionals withGUI [ qtbase qtmultimedia ];
 
   preConfigure = "./autogen.sh; patchShebangs .";
   buildPhase   = "drake -j $NIX_BUILD_CORES";
diff --git a/pkgs/applications/video/mpc-qt/default.nix b/pkgs/applications/video/mpc-qt/default.nix
new file mode 100644
index 00000000000..80ca213c06c
--- /dev/null
+++ b/pkgs/applications/video/mpc-qt/default.nix
@@ -0,0 +1,27 @@
+{ stdenv, fetchFromGitHub, pkgconfig, qmake, qtx11extras, qttools, mpv }:
+
+stdenv.mkDerivation rec {
+  name = "mpc-qt-${version}";
+  version = "17.11";
+
+  src = fetchFromGitHub {
+    owner = "cmdrkotori";
+    repo = "mpc-qt";
+    rev = "v${version}";
+    sha256 = "1vi4zsmbzxj6ms8wls9zv15vrskdrhgnj6l41m1fk4scs4jzvbkm";
+  };
+
+  nativeBuildInputs = [ pkgconfig qmake qttools ];
+
+  buildInputs = [ mpv qtx11extras ];
+
+  qmakeFlags = [ "QMAKE_LUPDATE=${qttools.dev}/bin/lupdate" ];
+
+  meta = with stdenv.lib; {
+    description = "Media Player Classic Qute Theater";
+    homepage = https://github.com/cmdrkotori/mpc-qt;
+    license = licenses.gpl2;
+    platforms = platforms.unix;
+    maintainers = with maintainers; [ romildo ];
+  };
+}
diff --git a/pkgs/applications/video/mpv/scripts/convert.nix b/pkgs/applications/video/mpv/scripts/convert.nix
index cf77e3dfe66..faa21326fc0 100644
--- a/pkgs/applications/video/mpv/scripts/convert.nix
+++ b/pkgs/applications/video/mpv/scripts/convert.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchgit, lib
-, yad, mkvtoolnix, libnotify }:
+, yad, mkvtoolnix-cli, libnotify }:
 
 stdenv.mkDerivation {
   name = "mpv-convert-script-2016-03-18.lua";
@@ -19,7 +19,7 @@ stdenv.mkDerivation {
       substituteInPlace convert_script.lua \
         ${subs "NOTIFY_CMD" "notify-send" "${libnotify}/bin/notify-send"} \
         ${subs "YAD_CMD" "yad" "${yad}/bin/yad"} \
-        ${subs "MKVMERGE_CMD" "mkvmerge" "${mkvtoolnix}/bin/mkvmerge"}
+        ${subs "MKVMERGE_CMD" "mkvmerge" "${mkvtoolnix-cli}/bin/mkvmerge"}
   '';
 
   dontBuild = true;
diff --git a/pkgs/applications/virtualization/remotebox/default.nix b/pkgs/applications/virtualization/remotebox/default.nix
index cb84ad49aeb..40eadad68d0 100644
--- a/pkgs/applications/virtualization/remotebox/default.nix
+++ b/pkgs/applications/virtualization/remotebox/default.nix
@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation rec {
   name = "remotebox-${version}";
-  version = "2.2";
+  version = "2.4";
 
   src = fetchurl {
     url = "http://remotebox.knobgoblin.org.uk/downloads/RemoteBox-${version}.tar.bz2";
-    sha256 = "0g7lx5zk9fk5k8alpag45z2zw9bnrlx1zfs63rc3ilfyvm4k4zc5";
+    sha256 = "14zcpzpdb5gxkxvckcdwq3mfv8b18zirbdskzddhqxjddkzayckz";
   };
 
   buildInputs = with perlPackages; [ perl Glib Gtk2 Pango SOAPLite ];
diff --git a/pkgs/applications/virtualization/rkt/default.nix b/pkgs/applications/virtualization/rkt/default.nix
index 452f082e20e..947f4454362 100644
--- a/pkgs/applications/virtualization/rkt/default.nix
+++ b/pkgs/applications/virtualization/rkt/default.nix
@@ -58,7 +58,7 @@ in stdenv.mkDerivation rec {
     cp -Rv $BUILDDIR/target/bin/stage1-*.aci $out/${stage1Dir}/
 
     wrapProgram $out/bin/rkt \
-      --prefix LD_LIBRARY_PATH : ${systemd.lib}/lib \
+      --prefix LD_LIBRARY_PATH : "${systemd.lib}/lib:${acl.out}/lib" \
       --prefix PATH : ${iptables}/bin
   '';
 
diff --git a/pkgs/development/compilers/ocaml/4.06.nix b/pkgs/development/compilers/ocaml/4.06.nix
index b913d169e97..b54b8a6288f 100644
--- a/pkgs/development/compilers/ocaml/4.06.nix
+++ b/pkgs/development/compilers/ocaml/4.06.nix
@@ -1,8 +1,8 @@
 import ./generic.nix {
   major_version = "4";
   minor_version = "06";
-  patch_version = "0";
-  sha256 = "1dy542yfnnw10zvh5s9qzswliq11mg7l0bcyss3501qw3vwvadhj";
+  patch_version = "1";
+  sha256 = "1n3pygfssd6nkrq876wszm5nm3v4605q4k16a66h1nmq9wvf01vg";
 
   # If the executable is stipped it does not work
   dontStrip = true;
diff --git a/pkgs/development/haskell-modules/configuration-nix.nix b/pkgs/development/haskell-modules/configuration-nix.nix
index d55c230dcc8..55f463885bd 100644
--- a/pkgs/development/haskell-modules/configuration-nix.nix
+++ b/pkgs/development/haskell-modules/configuration-nix.nix
@@ -471,10 +471,6 @@ self: super: builtins.intersectAttrs super {
     '';
   });
 
-  # Fails to link against with newer gsl versions because a deprecrated function
-  # was removed
-  hmatrix-gsl = super.hmatrix-gsl.override { gsl = pkgs.gsl_1; };
-
   # tests run executable, relying on PATH
   # without this, tests fail with "Couldn't launch intero process"
   intero = overrideCabal super.intero (drv: {
diff --git a/pkgs/development/interpreters/php/default.nix b/pkgs/development/interpreters/php/default.nix
index 6940485788e..07b93f7bf69 100644
--- a/pkgs/development/interpreters/php/default.nix
+++ b/pkgs/development/interpreters/php/default.nix
@@ -343,8 +343,8 @@ in {
   };
 
   php70 = generic {
-    version = "7.0.27";
-    sha256 = "0ca174kp2l3fjcp8z0mqnkbjfhijjzz7rs7bkzg1qk2cpdijbylr";
+    version = "7.0.28";
+    sha256 = "0zrw0saqlfv60f3nmff7288wqfhdsfiqns4ys3ii0drzc6s92m5f";
   };
 
   php71 = generic {
diff --git a/pkgs/development/libraries/catch/default.nix b/pkgs/development/libraries/catch/default.nix
index 6c20f4d6c91..116216d500e 100644
--- a/pkgs/development/libraries/catch/default.nix
+++ b/pkgs/development/libraries/catch/default.nix
@@ -2,13 +2,13 @@
 
 stdenv.mkDerivation rec {
   name = "catch-${version}";
-  version = "1.11.0";
+  version = "1.12.0";
 
   src = fetchFromGitHub {
     owner = "catchorg";
     repo = "Catch";
     rev = "v${version}";
-    sha256 = "0v9yw7ydvhydp78hh7cmaif4h73k5qxqpm1g7xn8i882i3s84s2s";
+    sha256 = "0hkcmycvyyazzi9dywnyiipnmbx399iirh5xk5g957c8zl0505kd";
   };
 
   nativeBuildInputs = [ cmake ];
diff --git a/pkgs/development/libraries/elementary-cmake-modules/default.nix b/pkgs/development/libraries/elementary-cmake-modules/default.nix
new file mode 100644
index 00000000000..5287db75609
--- /dev/null
+++ b/pkgs/development/libraries/elementary-cmake-modules/default.nix
@@ -0,0 +1,28 @@
+{ stdenv, lib, fetchFromGitHub, cmake, pkgconfig }:
+
+stdenv.mkDerivation {
+  name = "elementary-cmake-modules";
+
+  src = fetchFromGitHub {
+    owner = "elementary";
+    repo = "cmake-modules";
+    rev = "319ec5336e9f05f3f22b886cc2053ef3d4b6599e";
+    sha256 = "191hhvdxyqvh9axzndaqld7vrmv7xkn0czks908zhb2zpjhv9rby";
+  };
+
+  prePatch = ''
+    substituteInPlace CMakeLists.txt  \
+      --replace ' ''${CMAKE_ROOT}/Modules' " $out/lib/cmake"
+  '';
+
+  propagatedBuildInputs = [ cmake pkgconfig ];
+
+  setupHook = ./setup-hook.sh;
+
+  meta = with lib; {
+    platforms = platforms.linux ++ platforms.darwin;
+    homepage = https://github.com/elementary/cmake-modules;
+    license = licenses.gpl3Plus;
+    maintainers = [ maintainers.samdroid-apps ];
+  };
+}
diff --git a/pkgs/development/libraries/elementary-cmake-modules/setup-hook.sh b/pkgs/development/libraries/elementary-cmake-modules/setup-hook.sh
new file mode 100644
index 00000000000..6408ac47157
--- /dev/null
+++ b/pkgs/development/libraries/elementary-cmake-modules/setup-hook.sh
@@ -0,0 +1,4 @@
+_elementaryCMakeEnvHook() {
+  cmakeFlagsArray+=(-DCMAKE_MODULE_PATH=@out@/lib/cmake)
+}
+addEnvHooks "$targetOffset" _elementaryCMakeEnvHook
diff --git a/pkgs/development/libraries/readosm/default.nix b/pkgs/development/libraries/readosm/default.nix
index cabd89dc935..7faee7e69a2 100644
--- a/pkgs/development/libraries/readosm/default.nix
+++ b/pkgs/development/libraries/readosm/default.nix
@@ -1,11 +1,11 @@
 { stdenv, fetchurl, expat, zlib, geos, libspatialite }:
 
 stdenv.mkDerivation rec {
-  name = "readosm-1.0.0b";
+  name = "readosm-1.1.0";
 
   src = fetchurl {
     url = "http://www.gaia-gis.it/gaia-sins/readosm-sources/${name}.tar.gz";
-    sha256 = "042pv31smc7l6y111rvp0hza5sw86wa8ldg2jyq78xgwzcbhszpd";
+    sha256 = "1v20pnda67imjd70fn0zw30aar525xicy3d3v49md5cvqklws265";
   };
 
   buildInputs = [ expat zlib geos libspatialite ];
diff --git a/pkgs/development/libraries/stfl/default.nix b/pkgs/development/libraries/stfl/default.nix
index 8a8680a498a..fd9ab5a2036 100644
--- a/pkgs/development/libraries/stfl/default.nix
+++ b/pkgs/development/libraries/stfl/default.nix
@@ -1,11 +1,11 @@
 { stdenv, fetchurl, ncurses, libiconv }:
 
 stdenv.mkDerivation rec {
-  name = "stfl-0.22";
+  name = "stfl-0.24";
 
   src = fetchurl {
     url = "http://www.clifford.at/stfl/${name}.tar.gz";
-    sha256 = "062lqlf3qhp8bcapbpc0k3wym7x6ngncql8jmx5x06p6679szp9d";
+    sha256 = "1460d5lc780p3q38l3wc9jfr2a7zlyrcra0li65aynj738cam9yl";
   };
 
   buildInputs = [ ncurses libiconv ];
@@ -25,7 +25,7 @@ stdenv.mkDerivation rec {
     DESTDIR=$out prefix=\"\" make install
 
     # some programs rely on libstfl.so.0 to be present, so link it
-    ln -s $out/lib/libstfl.so.0.22 $out/lib/libstfl.so.0
+    ln -s $out/lib/libstfl.so.0.24 $out/lib/libstfl.so.0
   '';
 
   meta = {
diff --git a/pkgs/development/node-packages/node-packages-v8.json b/pkgs/development/node-packages/node-packages-v8.json
index 744894de4ff..8abdc0e608c 100644
--- a/pkgs/development/node-packages/node-packages-v8.json
+++ b/pkgs/development/node-packages/node-packages-v8.json
@@ -11,4 +11,5 @@
 , "pnpm"
 , "semver"
 , "sloc"
+, "npm"
 ]
diff --git a/pkgs/development/node-packages/node-packages-v8.nix b/pkgs/development/node-packages/node-packages-v8.nix
index ce7b70b3fdc..61752e7598c 100644
--- a/pkgs/development/node-packages/node-packages-v8.nix
+++ b/pkgs/development/node-packages/node-packages-v8.nix
@@ -283,6 +283,15 @@ let
         sha512 = "1kvjv5hs1c53b5g2vghpnncn4zj397sa0vpbx1pzpn8ngq52s3xq9923gnl2kzkh1mhyrl277jrh87a766yks89qvz8b4jczr44xr9p";
       };
     };
+    "bencode-2.0.0" = {
+      name = "bencode";
+      packageName = "bencode";
+      version = "2.0.0";
+      src = fetchurl {
+        url = "https://registry.npmjs.org/bencode/-/bencode-2.0.0.tgz";
+        sha512 = "3rdjlprrhprwwygnw5aik9pgi1xyr09yvgq3rbr4g3pl1v70mcc1k903x3vh9z782jly6vmnvp44nrskl5rhcxgfdwz19fl1b1qggf2";
+      };
+    };
     "bitfield-rle-2.1.0" = {
       name = "bitfield-rle";
       packageName = "bitfield-rle";
@@ -1768,13 +1777,13 @@ let
         sha512 = "2nbjxg0x7jsa14zhvx68w1vri68hsxzbxz7b7ap76fdp0jkrgna2rq636yxnax04f3f8i2ambj2fpan6qli6vixmfryz78vrapdip8n";
       };
     };
-    "k-rpc-socket-1.7.2" = {
+    "k-rpc-socket-1.8.0" = {
       name = "k-rpc-socket";
       packageName = "k-rpc-socket";
-      version = "1.7.2";
+      version = "1.8.0";
       src = fetchurl {
-        url = "https://registry.npmjs.org/k-rpc-socket/-/k-rpc-socket-1.7.2.tgz";
-        sha512 = "02w1ih1lh86i5ap7c3dy2ml7g5a11r0w300iyxdf6v02qr0j1x3vf78hx5q9dgg3drifab018mgm851m457zzzi05i2z2r1s3zlflc3";
+        url = "https://registry.npmjs.org/k-rpc-socket/-/k-rpc-socket-1.8.0.tgz";
+        sha512 = "0pc9bjnmgfjcgh49lclvz5qnlkzypgirlx5ji2nx15vfn00gwczy5hvfahcxdzcdqsjlwh7q8jw4zj8abdk8qx2cwiqdw8fgg557zvz";
       };
     };
     "kind-of-3.2.2" = {
@@ -3514,8 +3523,12 @@ in
       sources."json-stringify-safe-5.0.1"
       sources."jsprim-1.4.1"
       sources."k-bucket-3.3.1"
-      sources."k-rpc-4.2.1"
-      sources."k-rpc-socket-1.7.2"
+      (sources."k-rpc-4.2.1" // {
+        dependencies = [
+          sources."bencode-2.0.0"
+        ];
+      })
+      sources."k-rpc-socket-1.8.0"
       sources."kind-of-3.2.2"
       sources."last-one-wins-1.0.4"
       sources."length-prefixed-message-3.0.3"
@@ -4127,4 +4140,21 @@ in
     production = true;
     bypassCache = true;
   };
+  npm = nodeEnv.buildNodePackage {
+    name = "npm";
+    packageName = "npm";
+    version = "5.6.0";
+    src = fetchurl {
+      url = "https://registry.npmjs.org/npm/-/npm-5.6.0.tgz";
+      sha512 = "0nnr796ik5h8bsd3k9ygivivr3na2ksnf5iipf8dsnn20j10i9sgmhmsnzbimd2pqgjbrpp8gbpl2q7j5c7yjqjfirrh8xcc3v3gpws";
+    };
+    buildInputs = globalBuildInputs;
+    meta = {
+      description = "a package manager for JavaScript";
+      homepage = https://docs.npmjs.com/;
+      license = "Artistic-2.0";
+    };
+    production = true;
+    bypassCache = true;
+  };
 }
\ No newline at end of file
diff --git a/pkgs/development/ocaml-modules/biniou/default.nix b/pkgs/development/ocaml-modules/biniou/default.nix
index 7047edf24b3..97c4750002e 100644
--- a/pkgs/development/ocaml-modules/biniou/default.nix
+++ b/pkgs/development/ocaml-modules/biniou/default.nix
@@ -1,26 +1,30 @@
 { stdenv, fetchFromGitHub, ocaml, findlib, jbuilder, easy-format }:
 
 stdenv.mkDerivation rec {
-	version = "1.2.0";
-	name = "ocaml${ocaml.version}-biniou-${version}";
-	src = fetchFromGitHub {
-		owner = "mjambon";
-		repo = "biniou";
-		rev = "v${version}";
-		sha256 = "0mjpgwyfq2b2izjw0flmlpvdjgqpq8shs89hxj1np2r50csr8dcb";
-	};
+  version = "1.2.0";
+  name = "ocaml${ocaml.version}-biniou-${version}";
+  src = fetchFromGitHub {
+    owner = "mjambon";
+    repo = "biniou";
+    rev = "v${version}";
+    sha256 = "0mjpgwyfq2b2izjw0flmlpvdjgqpq8shs89hxj1np2r50csr8dcb";
+  };
 
-	buildInputs = [ ocaml findlib jbuilder ];
+  buildInputs = [ ocaml findlib jbuilder ];
 
-	propagatedBuildInputs = [ easy-format ];
+  propagatedBuildInputs = [ easy-format ];
 
-	inherit (jbuilder) installPhase;
+  postPatch = ''
+   patchShebangs .
+  '';
 
-	meta = {
-		inherit (src.meta) homepage;
-		inherit (ocaml.meta) platforms;
-		description = "Binary data format designed for speed, safety, ease of use and backward compatibility as protocols evolve";
-		maintainers = [ stdenv.lib.maintainers.vbgl ];
-		license = stdenv.lib.licenses.bsd3;
-	};
+  inherit (jbuilder) installPhase;
+
+  meta = {
+    inherit (src.meta) homepage;
+    inherit (ocaml.meta) platforms;
+    description = "Binary data format designed for speed, safety, ease of use and backward compatibility as protocols evolve";
+    maintainers = [ stdenv.lib.maintainers.vbgl ];
+    license = stdenv.lib.licenses.bsd3;
+  };
 }
diff --git a/pkgs/development/python-modules/flake8-import-order/default.nix b/pkgs/development/python-modules/flake8-import-order/default.nix
new file mode 100644
index 00000000000..128a8d18d81
--- /dev/null
+++ b/pkgs/development/python-modules/flake8-import-order/default.nix
@@ -0,0 +1,25 @@
+{ lib, buildPythonPackage, fetchPypi, isPy3k, enum34, pycodestyle, pytest, flake8, pylama }:
+
+buildPythonPackage rec {
+  pname = "flake8-import-order";
+  version = "0.17";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "60ea6674c77e4d916071beabf2b31b9b45e2f5b3bbda48a34db65766a5b25678";
+  };
+
+  propagatedBuildInputs = [ pycodestyle ] ++ lib.optional (!isPy3k) enum34;
+
+  checkInputs = [ pytest flake8 pycodestyle pylama ];
+
+  checkPhase = ''
+    pytest --strict
+  '';
+
+  meta = with lib; {
+    description = "Flake8 and pylama plugin that checks the ordering of import statements";
+    homepage = https://github.com/PyCQA/flake8-import-order;
+    license = with licenses; [ lgpl3 mit ];
+  };
+}
diff --git a/pkgs/development/python-modules/jsonrpc-async/default.nix b/pkgs/development/python-modules/jsonrpc-async/default.nix
index a0056ce2500..1018c536ff7 100644
--- a/pkgs/development/python-modules/jsonrpc-async/default.nix
+++ b/pkgs/development/python-modules/jsonrpc-async/default.nix
@@ -4,7 +4,6 @@
 buildPythonPackage rec {
   pname = "jsonrpc-async";
   version = "0.6";
-  name = "${pname}-${version}";
 
   src = fetchPypi {
     inherit pname version;
diff --git a/pkgs/development/python-modules/jsonrpc-base/default.nix b/pkgs/development/python-modules/jsonrpc-base/default.nix
index 01c0c3f4aa1..8dbe0738288 100644
--- a/pkgs/development/python-modules/jsonrpc-base/default.nix
+++ b/pkgs/development/python-modules/jsonrpc-base/default.nix
@@ -3,7 +3,6 @@
 buildPythonPackage rec {
   pname = "jsonrpc-base";
   version = "1.0";
-  name = "${pname}-${version}";
 
   src = fetchPypi {
     inherit pname version;
diff --git a/pkgs/development/python-modules/jsonrpc-websocket/default.nix b/pkgs/development/python-modules/jsonrpc-websocket/default.nix
index 8394913b298..b8a0c07d5a5 100644
--- a/pkgs/development/python-modules/jsonrpc-websocket/default.nix
+++ b/pkgs/development/python-modules/jsonrpc-websocket/default.nix
@@ -4,7 +4,6 @@
 buildPythonPackage rec {
   pname = "jsonrpc-websocket";
   version = "0.5";
-  name = "${pname}-${version}";
 
   src = fetchPypi {
     inherit pname version;
diff --git a/pkgs/development/python-modules/pydocstyle/default.nix b/pkgs/development/python-modules/pydocstyle/default.nix
index fd1f0db0c1e..a2f2daa2fe9 100644
--- a/pkgs/development/python-modules/pydocstyle/default.nix
+++ b/pkgs/development/python-modules/pydocstyle/default.nix
@@ -1,20 +1,30 @@
-{ stdenv, buildPythonPackage, fetchPypi, snowballstemmer, configparser,
-  pytest, pytestpep8, mock, pathlib }:
+{ lib, buildPythonPackage, fetchFromGitHub, isPy3k, pythonOlder
+, snowballstemmer, six, configparser
+, pytest, pytestpep8, mock, pathlib }:
 
 buildPythonPackage rec {
   pname = "pydocstyle";
   version = "2.1.1";
 
-  src = fetchPypi {
-    inherit pname version;
-    sha256 = "15ssv8l6cvrmzgwcdzw76rnl4np3qf0dbwr1wsx76y0hc7lwsnsd";
+  # no tests on PyPI
+  # https://github.com/PyCQA/pydocstyle/issues/302
+  src = fetchFromGitHub {
+    owner = "PyCQA";
+    repo = pname;
+    rev = version;
+    sha256 = "1h0k8lpx14svc8dini62j0kqiam10pck5sdzvxa4xhsx7y689g5l";
   };
 
-  propagatedBuildInputs = [ snowballstemmer configparser ];
+  propagatedBuildInputs = [ snowballstemmer six ] ++ lib.optional (!isPy3k) configparser;
 
-  checkInputs = [ pytest pytestpep8 mock pathlib ];
+  checkInputs = [ pytest pytestpep8 mock ] ++ lib.optional (pythonOlder "3.4") pathlib;
 
-  meta = with stdenv.lib; {
+  checkPhase = ''
+    # test_integration.py installs packages via pip
+    py.test --pep8 --cache-clear -vv src/tests -k "not test_integration"
+  '';
+
+  meta = with lib; {
     description = "Python docstring style checker";
     homepage = https://github.com/PyCQA/pydocstyle/;
     license = licenses.mit;
diff --git a/pkgs/development/python-modules/pylama/default.nix b/pkgs/development/python-modules/pylama/default.nix
new file mode 100644
index 00000000000..c4ef98b43ef
--- /dev/null
+++ b/pkgs/development/python-modules/pylama/default.nix
@@ -0,0 +1,33 @@
+{ lib, buildPythonPackage, fetchPypi, fetchpatch
+, mccabe, pycodestyle, pydocstyle, pyflakes
+, pytest, ipdb }:
+
+buildPythonPackage rec {
+  pname = "pylama";
+  version = "7.4.3";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "390c1dab1daebdf3d6acc923e551b035c3faa77d8b96b98530c230493f9ec712";
+  };
+
+  patches = fetchpatch {
+    url = "${meta.homepage}/pull/116.patch";
+    sha256 = "00jz5k2w0xahs1m3s603j6l4cwzz92qsbbk81fh17nq0f47999mv";
+  };
+
+  propagatedBuildInputs = [ mccabe pycodestyle pydocstyle pyflakes ];
+
+  checkInputs = [ pytest ipdb ];
+
+  # tries to mess with the file system
+  doCheck = false;
+
+  meta = with lib; {
+    description = "Code audit tool for python";
+    homepage = https://github.com/klen/pylama;
+    # ambiguous license declarations: https://github.com/klen/pylama/issues/64
+    license = licenses.lgpl3;
+    maintainers = with maintainers; [ dotlambda ];
+  };
+}
diff --git a/pkgs/development/python-modules/pylint/default.nix b/pkgs/development/python-modules/pylint/default.nix
index 194d91341d8..c38b71c7f47 100644
--- a/pkgs/development/python-modules/pylint/default.nix
+++ b/pkgs/development/python-modules/pylint/default.nix
@@ -13,7 +13,7 @@ buildPythonPackage rec {
 
   buildInputs = [ pytest pytestrunner mccabe configparser backports_functools_lru_cache ];
 
-  propagatedBuildInputs = [ astroid configparser isort ];
+  propagatedBuildInputs = [ astroid configparser isort mccabe ];
 
   postPatch = ''
     # Remove broken darwin tests
diff --git a/pkgs/development/python-modules/pyunifi/default.nix b/pkgs/development/python-modules/pyunifi/default.nix
index bbf98c32874..31ec613df4c 100644
--- a/pkgs/development/python-modules/pyunifi/default.nix
+++ b/pkgs/development/python-modules/pyunifi/default.nix
@@ -4,7 +4,6 @@
 buildPythonPackage rec {
   pname = "pyunifi";
   version = "2.13";
-  name = "${pname}-${version}";
 
   src = fetchPypi {
     inherit pname version;
diff --git a/pkgs/development/python-modules/wakeonlan/default.nix b/pkgs/development/python-modules/wakeonlan/default.nix
index 3d57000e889..d4a47138d4a 100644
--- a/pkgs/development/python-modules/wakeonlan/default.nix
+++ b/pkgs/development/python-modules/wakeonlan/default.nix
@@ -3,7 +3,6 @@
 buildPythonPackage rec {
   pname = "wakeonlan";
   version = "1.0.0";
-  name = "${pname}-${version}";
 
   src = fetchPypi {
     inherit pname version;
diff --git a/pkgs/development/ruby-modules/gem-config/default.nix b/pkgs/development/ruby-modules/gem-config/default.nix
index 8da6355e001..ac0b2dd07f8 100644
--- a/pkgs/development/ruby-modules/gem-config/default.nix
+++ b/pkgs/development/ruby-modules/gem-config/default.nix
@@ -139,8 +139,9 @@ in
   };
 
   grpc = attrs: {
-  nativeBuildInputs = [ pkgconfig ];
+    nativeBuildInputs = [ pkgconfig ];
     buildInputs = [ openssl ];
+    NIX_CFLAGS_COMPILE = [ "-Wno-error=stringop-overflow" "-Wno-error=implicit-fallthrough" ];
   };
 
   hitimes = attrs: {
diff --git a/pkgs/development/tools/build-managers/bear/cmakepaths.patch b/pkgs/development/tools/build-managers/bear/cmakepaths.patch
new file mode 100644
index 00000000000..d237267078e
--- /dev/null
+++ b/pkgs/development/tools/build-managers/bear/cmakepaths.patch
@@ -0,0 +1,13 @@
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index 04c5c58..429ca47 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -24,7 +24,7 @@ set(CMAKE_OSX_ARCHITECTURES "i386;x86_64" CACHE STRING  "Rogue")
+ 
+ set(EAR_LIB_FILE ${CMAKE_SHARED_LIBRARY_PREFIX}ear${CMAKE_SHARED_LIBRARY_SUFFIX})
+ set(EAR_LIB_PATH "${CMAKE_INSTALL_LIBDIR}/bear")
+-set(DEFAULT_PRELOAD_FILE ${CMAKE_INSTALL_PREFIX}/${EAR_LIB_PATH}/${EAR_LIB_FILE} CACHE STRING "Default path to libear.")
++set(DEFAULT_PRELOAD_FILE ${EAR_LIB_PATH}/${EAR_LIB_FILE} CACHE STRING "Default path to libear.")
+ 
+ add_subdirectory(libear)
+ add_subdirectory(bear)
diff --git a/pkgs/development/tools/build-managers/bear/default.nix b/pkgs/development/tools/build-managers/bear/default.nix
index 6afec72de5f..8f352f84b22 100644
--- a/pkgs/development/tools/build-managers/bear/default.nix
+++ b/pkgs/development/tools/build-managers/bear/default.nix
@@ -16,7 +16,7 @@ stdenv.mkDerivation rec {
 
   doCheck = false; # all fail
 
-  patches = [ ./ignore_wrapper.patch ];
+  patches = [ ./ignore_wrapper.patch ./cmakepaths.patch ];
 
   meta = with stdenv.lib; {
     description = "Tool that generates a compilation database for clang tooling";
@@ -28,6 +28,6 @@ stdenv.mkDerivation rec {
     homepage = https://github.com/rizsotto/Bear;
     license = licenses.gpl3Plus;
     platforms = platforms.unix;
-    maintainers = [ maintainers.vcunat ];
+    maintainers = [ maintainers.vcunat maintainers.babariviere ];
   };
 }
diff --git a/pkgs/development/tools/geckodriver/default.nix b/pkgs/development/tools/geckodriver/default.nix
index 8f6e0dde589..9bc760bf112 100644
--- a/pkgs/development/tools/geckodriver/default.nix
+++ b/pkgs/development/tools/geckodriver/default.nix
@@ -1,20 +1,24 @@
 { lib
-, fetchurl
+, fetchFromGitHub
 , rustPlatform
 }:
 
 with rustPlatform; 
 
 buildRustPackage rec {
-  version = "0.19.1";
+  version = "unstable-2018-02-24";
   name = "geckodriver-${version}";
 
-  src = fetchurl {
-    url = "https://github.com/mozilla/geckodriver/archive/v${version}.tar.gz";
-    sha256 = "04zpv4aiwbig466yj24hhazl5hrapkyvwlhvg0za5599ykzdv47m";
+  src = fetchFromGitHub {
+    owner = "mozilla";
+    repo = "gecko-dev";
+    rev = "ecb86060b4c5a9808798b81a57e79e821bb47082";
+    sha256 = "1am84a60adw0bb12rlhdqbiwyywhza4qp5sf4f4fmssjl2qcr6nl";
   };
 
-  cargoSha256 = "1cny8caqcd9p98hra1k7y4d3lb8sxsyaplr0svbwam0d2qc1c257";
+  sourceRoot = "${src.name}/testing/geckodriver";
+
+  cargoSha256 = "0dvcvdb623jla29i93glx20nf8pbpfw6jj548ii6brzkcpafxxm8";
 
   meta = with lib; {
     description = "Proxy for using W3C WebDriver-compatible clients to interact with Gecko-based browsers";
diff --git a/pkgs/development/tools/misc/ccache/default.nix b/pkgs/development/tools/misc/ccache/default.nix
index ff4ad83b642..34d1d8a829b 100644
--- a/pkgs/development/tools/misc/ccache/default.nix
+++ b/pkgs/development/tools/misc/ccache/default.nix
@@ -1,18 +1,25 @@
-{ stdenv, fetchurl, fetchpatch, runCommand, zlib, makeWrapper }:
+{ stdenv, fetchurl, fetchpatch, runCommand, perl, zlib, makeWrapper }:
 
 let ccache = stdenv.mkDerivation rec {
   name = "ccache-${version}";
-  version = "3.3.5";
+  version = "3.4.1";
 
   src = fetchurl {
-    sha256 = "1iih5d171rq29366c1z90dri2h8173yyc8rm2740wxiqx6k7c18r";
+    sha256 = "1pppi4jbkkj641cdynmc35jaj40jjicw7gj75ran5qs5886jcblc";
     url = "mirror://samba/ccache/${name}.tar.xz";
   };
 
+  nativeBuildInputs = [ perl ];
+
   buildInputs = [ zlib ];
 
+  outputs = [ "out" "man" ];
+
   # non to be fail on filesystems with unconventional blocksizes (zfs on Hydra?)
-  patches = [ ./skip-fs-dependent-test.patch ];
+  patches = [
+    ./fix-debug-prefix-map-suite.patch
+    ./skip-fs-dependent-test.patch
+  ];
 
   postPatch = ''
     substituteInPlace Makefile.in --replace 'objs) $(extra_libs)' 'objs)'
diff --git a/pkgs/development/tools/misc/ccache/fix-debug-prefix-map-suite.patch b/pkgs/development/tools/misc/ccache/fix-debug-prefix-map-suite.patch
new file mode 100644
index 00000000000..98a6fbf10bf
--- /dev/null
+++ b/pkgs/development/tools/misc/ccache/fix-debug-prefix-map-suite.patch
@@ -0,0 +1,42 @@
+--- a/test/suites/debug_prefix_map.bash
++++ b/test/suites/debug_prefix_map.bash
+@@ -29,7 +29,7 @@
+     expect_stat 'cache hit (preprocessed)' 0
+     expect_stat 'cache miss' 1
+     expect_stat 'files in cache' 2
+-    if grep -E "[^=]`pwd`[^=]" test.o >/dev/null 2>&1; then
++    if objdump -g test.o | grep ": `pwd`$" >/dev/null 2>&1; then
+         test_failed "Source dir (`pwd`) found in test.o"
+     fi
+
+@@ -39,7 +39,7 @@
+     expect_stat 'cache hit (preprocessed)' 0
+     expect_stat 'cache miss' 1
+     expect_stat 'files in cache' 2
+-    if grep -E "[^=]`pwd`[^=]" test.o >/dev/null 2>&1; then
++    if objdump -g test.o | grep ": `pwd`$" >/dev/null 2>&1; then
+         test_failed "Source dir (`pwd`) found in test.o"
+     fi
+
+@@ -52,10 +52,10 @@
+     expect_stat 'cache hit (preprocessed)' 0
+     expect_stat 'cache miss' 1
+     expect_stat 'files in cache' 2
+-    if grep -E "[^=]`pwd`[^=]" test.o >/dev/null 2>&1; then
++    if objdump -g test.o | grep ": `pwd`$" >/dev/null 2>&1; then
+         test_failed "Source dir (`pwd`) found in test.o"
+     fi
+-    if ! grep "name" test.o >/dev/null 2>&1; then
++    if ! objdump -g test.o | grep ": name$" >/dev/null 2>&1; then
+         test_failed "Relocation (name) not found in test.o"
+     fi
+
+@@ -65,7 +65,7 @@
+     expect_stat 'cache hit (preprocessed)' 0
+     expect_stat 'cache miss' 1
+     expect_stat 'files in cache' 2
+-    if grep -E "[^=]`pwd`[^=]" test.o >/dev/null 2>&1; then
++    if objdump -g test.o | grep ": `pwd`$" >/dev/null 2>&1; then
+         test_failed "Source dir (`pwd`) found in test.o"
+     fi
+ }
diff --git a/pkgs/development/tools/misc/ccache/skip-fs-dependent-test.patch b/pkgs/development/tools/misc/ccache/skip-fs-dependent-test.patch
index 3bc3a95e420..7b233df6531 100644
--- a/pkgs/development/tools/misc/ccache/skip-fs-dependent-test.patch
+++ b/pkgs/development/tools/misc/ccache/skip-fs-dependent-test.patch
@@ -1,6 +1,6 @@
---- a/test.sh
-+++ b/test.sh
-@@ -2669,23 +2669,6 @@ SUITE_cleanup() {
+--- a/test/suites/cleanup.bash
++++ b/test/suites/cleanup.bash
+@@ -94,23 +94,6 @@
 
      $CCACHE -F 0 -M 256K >/dev/null
      CCACHE_LOGFILE=/tmp/foo $CCACHE -c >/dev/null
diff --git a/pkgs/games/freecell-solver/default.nix b/pkgs/games/freecell-solver/default.nix
index dd14edf8eb1..263bf5c29df 100644
--- a/pkgs/games/freecell-solver/default.nix
+++ b/pkgs/games/freecell-solver/default.nix
@@ -6,11 +6,11 @@ with stdenv.lib;
 stdenv.mkDerivation rec{
 
   name = "freecell-solver-${version}";
-  version = "4.8.0";
+  version = "4.16.0";
 
   src = fetchurl {
     url = "http://fc-solve.shlomifish.org/downloads/fc-solve/${name}.tar.xz";
-    sha256 = "0274l1p71ps222i62whqfkg80fcc8m4w2hmpbrbbd5gh8kfpman3";
+    sha256 = "1ihrmxbsli7c1lm5gw9xgrakyn4nsmaj1zgk5gza2ywnfpgdb0ac";
   };
 
   nativeBuildInputs = [ pkgconfig ];
diff --git a/pkgs/games/pioneer/default.nix b/pkgs/games/pioneer/default.nix
index c0053088db7..071218c1600 100644
--- a/pkgs/games/pioneer/default.nix
+++ b/pkgs/games/pioneer/default.nix
@@ -4,13 +4,13 @@
 
 stdenv.mkDerivation rec {
   name = "pioneer-${version}";
-  version = "20171001";
+  version = "20180203";
 
   src = fetchFromGitHub{
     owner = "pioneerspacesim";
     repo = "pioneer";
     rev = version;
-    sha256 = "0yxw1zdvidrwc28vxfi3qpx2nq2dix2d6ylwgzq9ph8kgwv9fl5n";
+    sha256 = "0hp2mf36kj2v93hka8m8lxw2qhmnjc62wjlpw7c7ix0r8xa01i6h";
   };
 
   nativeBuildInputs = [ autoconf automake pkgconfig ];
diff --git a/pkgs/games/rocksndiamonds/default.nix b/pkgs/games/rocksndiamonds/default.nix
index caaedc44ee0..d563a8265b5 100644
--- a/pkgs/games/rocksndiamonds/default.nix
+++ b/pkgs/games/rocksndiamonds/default.nix
@@ -3,11 +3,11 @@
 stdenv.mkDerivation rec {
   name = "${project}-${version}";
   project = "rocksndiamonds";
-  version = "4.0.0.2";
+  version = "4.0.1.1";
 
   src = fetchurl {
     url = "https://www.artsoft.org/RELEASES/unix/${project}/${name}.tar.gz";
-    sha256 = "0dzn6vlayvnkjm64zwva337rn07lc21kq93m2h8zz8j3wpl11pb4";
+    sha256 = "0f2m29m53sngg2kv4km91nxbr53rzhchbpqx5dzrv3p5hq1hp936";
   };
 
   desktopItem = makeDesktopItem {
diff --git a/pkgs/os-specific/linux/tp_smapi/default.nix b/pkgs/os-specific/linux/tp_smapi/default.nix
index 9c8bf559751..25eeb889cc2 100644
--- a/pkgs/os-specific/linux/tp_smapi/default.nix
+++ b/pkgs/os-specific/linux/tp_smapi/default.nix
@@ -3,13 +3,13 @@
 
 stdenv.mkDerivation rec {
   name = "tp_smapi-${version}-${kernel.version}";
-  version = "unstable-2017-12-04";
+  version = "0.43";
 
   src = fetchFromGitHub {
     owner = "evgeni";
     repo = "tp_smapi";
-    rev = "76c5120f7be4880cf2c6801f872327e4e70c449f";
-    sha256 = "0g8l7rmylspl17qnqpa2h4yj7h3zvy6xlmj5nlnixds9avnbz2vy";
+    rev = "tp-smapi/${version}";
+    sha256 = "1rjb0njckczc2mj05cagvj0lkyvmyk6bw7wkiinv81lw8m90g77g";
     name = "tp-smapi-${version}";
   };
 
diff --git a/pkgs/servers/radarr/default.nix b/pkgs/servers/radarr/default.nix
index 3eba04f44fb..dc3bc22af49 100644
--- a/pkgs/servers/radarr/default.nix
+++ b/pkgs/servers/radarr/default.nix
@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation rec {
   name = "radarr-${version}";
-  version = "0.2.0.910";
+  version = "0.2.0.980";
 
   src = fetchurl {
     url = "https://github.com/Radarr/Radarr/releases/download/v${version}/Radarr.develop.${version}.linux.tar.gz";
-    sha256 = "0c4msk6hvlqyy81xkjhsvsy4igpc01s4a00zwhqnds2gj4y9yplk";
+    sha256 = "1939mmlp9hsmw0hd4c8m8p5fk6igvml30gk9ffi9mfhankas6fnf";
   };
 
   buildInputs = [ makeWrapper ];
diff --git a/pkgs/servers/sql/mysql/5.7.x.nix b/pkgs/servers/sql/mysql/5.7.x.nix
index 0b277821876..0c04f910e5b 100644
--- a/pkgs/servers/sql/mysql/5.7.x.nix
+++ b/pkgs/servers/sql/mysql/5.7.x.nix
@@ -49,6 +49,7 @@ self = stdenv.mkDerivation rec {
     "-DINSTALL_SHAREDIR=share/mysql"
   ];
 
+  CXXFLAGS = "-fpermissive";
   NIX_LDFLAGS = stdenv.lib.optionalString stdenv.isLinux "-lgcc_s";
 
   prePatch = ''
diff --git a/pkgs/servers/sql/postgresql/pgroonga/default.nix b/pkgs/servers/sql/postgresql/pgroonga/default.nix
index 78ad88bc904..1e995537c88 100644
--- a/pkgs/servers/sql/postgresql/pgroonga/default.nix
+++ b/pkgs/servers/sql/postgresql/pgroonga/default.nix
@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation rec {
   name = "pgroonga-${version}";
-  version = "1.1.9";
+  version = "2.0.2";
 
   src = fetchurl {
     url = "http://packages.groonga.org/source/pgroonga/${name}.tar.gz";
-    sha256 = "07afgwll8nxfb7ziw3qrvw0ryjjw3994vj2f6alrjwpg7ynb46ag";
+    sha256 = "0023747i2x3j50z54l78maq7dya5ldd2sdydn6l5l7k6b6g4yr2d";
   };
 
   nativeBuildInputs = [ pkgconfig ];
diff --git a/pkgs/tools/filesystems/reiser4progs/default.nix b/pkgs/tools/filesystems/reiser4progs/default.nix
index 681fc1c80ef..59d8e8aa438 100644
--- a/pkgs/tools/filesystems/reiser4progs/default.nix
+++ b/pkgs/tools/filesystems/reiser4progs/default.nix
@@ -1,12 +1,12 @@
 {stdenv, fetchurl, libaal}:
 
-let version = "1.1.0"; in
+let version = "1.2.1"; in
 stdenv.mkDerivation rec {
   name = "reiser4progs-${version}";
 
   src = fetchurl {
     url = "mirror://sourceforge/reiser4/reiser4-utils/${name}.tar.gz";
-    sha256 = "18bgv0wd75q53642x5dsk4g0mil1hw1zrp7a4xkb0pxx4bzjlbqg";
+    sha256 = "03vdqvpyd48wxrpqpb9kg76giaffw9b8k334kr4wc0zxgybknhl7";
   };
 
   buildInputs = [libaal];
diff --git a/pkgs/tools/graphics/scanbd/default.nix b/pkgs/tools/graphics/scanbd/default.nix
index ba376af1c3c..402628f0fc8 100644
--- a/pkgs/tools/graphics/scanbd/default.nix
+++ b/pkgs/tools/graphics/scanbd/default.nix
@@ -3,10 +3,10 @@
 
 stdenv.mkDerivation rec {
   name = "scanbd-${version}";
-  version = "1.4.4";
+  version = "1.5.1";
 
   src = fetchurl {
-    sha256 = "07a59jk9b2hh49v5lcpckp64f5lny9sq8h0h2p2jcs9cqazf6q9s";
+    sha256 = "0pvy4qirfjdfm8aj6x5rkbgl7hk3jfa2s21qkk8ic5dqfjjab75n";
     url = "mirror://sourceforge/scanbd/${name}.tgz";
   };
 
diff --git a/pkgs/tools/misc/esptool/default.nix b/pkgs/tools/misc/esptool/default.nix
index 33624302ebc..1d7c47c2c9a 100644
--- a/pkgs/tools/misc/esptool/default.nix
+++ b/pkgs/tools/misc/esptool/default.nix
@@ -2,23 +2,23 @@
 
 python3.pkgs.buildPythonApplication rec {
   name = "esptool-${version}";
-  version = "2.1";
+  version = "2.3.1";
 
   src = fetchFromGitHub {
     owner = "espressif";
     repo = "esptool";
     rev = "v${version}";
-    sha256 = "137p0kcscly95qpjzgx1yxm8k2wf5y9v3srvlhp2ajniirgv8ijv";
+    sha256 = "0gwnl6z5s2ax07l3n38h9hdyz71pn8lzn4fybcwyrii0bj2kapvc";
   };
 
-  buildInputs = with python3.pkgs; [ flake8 flake8-future-import ];
+  checkInputs = with python3.pkgs; [ flake8 flake8-future-import flake8-import-order ];
   propagatedBuildInputs = with python3.pkgs; [ pyserial pyaes ecdsa openssl ];
 
   meta = with stdenv.lib; {
     description = "ESP8266 and ESP32 serial bootloader utility";
     homepage = https://github.com/espressif/esptool;
     license = licenses.gpl2;
-    maintainers = [ maintainers.dezgeg ];
+    maintainers = with maintainers; [ dezgeg dotlambda ];
     platforms = platforms.linux;
   };
 }
diff --git a/pkgs/tools/misc/exa/default.nix b/pkgs/tools/misc/exa/default.nix
index 503f0df331c..c07420821ed 100644
--- a/pkgs/tools/misc/exa/default.nix
+++ b/pkgs/tools/misc/exa/default.nix
@@ -1,4 +1,6 @@
-{ stdenv, fetchFromGitHub, rustPlatform, cmake, perl, pkgconfig, zlib }:
+{ stdenv, fetchFromGitHub, rustPlatform, cmake, perl, pkgconfig, zlib
+, darwin, libiconv
+}:
 
 with rustPlatform;
 
@@ -16,7 +18,10 @@ buildRustPackage rec {
   };
 
   nativeBuildInputs = [ cmake pkgconfig perl ];
-  buildInputs = [ zlib ];
+  buildInputs = [ zlib ]
+  ++ stdenv.lib.optionals stdenv.isDarwin [
+    libiconv darwin.apple_sdk.frameworks.Security ]
+  ;
 
   # Some tests fail, but Travis ensures a proper build
   doCheck = false;
diff --git a/pkgs/tools/misc/phraseapp-client/default.nix b/pkgs/tools/misc/phraseapp-client/default.nix
index d5908210cbd..b4cfe7b26c0 100644
--- a/pkgs/tools/misc/phraseapp-client/default.nix
+++ b/pkgs/tools/misc/phraseapp-client/default.nix
@@ -2,7 +2,7 @@
 
 buildGoPackage rec {
   name = "phraseapp-client-${version}";
-  version = "1.4.5";
+  version = "1.6.0";
 
   goPackagePath = "github.com/phrase/phraseapp-client";
   subPackages = [ "." ];
@@ -11,7 +11,7 @@ buildGoPackage rec {
     owner = "phrase";
     repo = "phraseapp-client";
     rev = version;
-    sha256 = "0zky7jcs7h6zmvkb0na4la6h7g63jlrziifqk831fd1gspdzgajp";
+    sha256 = "0rgwl0rgkci045hg36s0q8jwkni1hzapqpi0mc0gk3rl7nagw622";
   };
 
   meta = with stdenv.lib; {
diff --git a/pkgs/tools/networking/s3cmd/default.nix b/pkgs/tools/networking/s3cmd/default.nix
index 887cd09b6eb..c3d60d8e87b 100644
--- a/pkgs/tools/networking/s3cmd/default.nix
+++ b/pkgs/tools/networking/s3cmd/default.nix
@@ -2,13 +2,13 @@
 
 python2Packages.buildPythonApplication rec {
   name = "s3cmd-${version}";
-  version = "1.6.1";
+  version = "2.0.1";
   
   src = fetchFromGitHub {
     owner  = "s3tools";
     repo   = "s3cmd";
     rev    = "v${version}";
-    sha256 = "0aan6v1qj0pdkddhhkbaky44d54irm1pa8mkn52i2j86nb2rkcf9";
+    sha256 = "198hzzplci57sb8hdan30nbakslawmijfw0j71wjvq85n3xn6qsl";
   };
 
   propagatedBuildInputs = with python2Packages; [ python_magic dateutil ];
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 4c2f6d58343..c22c040299e 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -7159,6 +7159,8 @@ with pkgs;
 
   red = callPackage ../development/interpreters/red { };
 
+  regextester = callPackage ../applications/misc/regextester { };
+
   regina = callPackage ../development/interpreters/regina { };
 
   inherit (ocamlPackages) reason;
@@ -9117,6 +9119,7 @@ with pkgs;
   gnome-sharp = callPackage ../development/libraries/gnome-sharp {};
 
   granite = callPackage ../development/libraries/granite { };
+  elementary-cmake-modules = callPackage ../development/libraries/elementary-cmake-modules { };
 
   gtk2 = callPackage ../development/libraries/gtk+/2.x.nix {
     cupsSupport = config.gtk2.cups or stdenv.isLinux;
@@ -10461,7 +10464,7 @@ with pkgs;
     ffmpeg = ffmpeg_2;
   };
 
-  mkvtoolnix = callPackage ../applications/video/mkvtoolnix { };
+  mkvtoolnix = libsForQt5.callPackage ../applications/video/mkvtoolnix { };
 
   mkvtoolnix-cli = callPackage ../applications/video/mkvtoolnix {
     withGUI = false;
@@ -16533,6 +16536,8 @@ with pkgs;
 
   mm = callPackage ../applications/networking/instant-messengers/mm { };
 
+  mpc-qt = libsForQt5.callPackage ../applications/video/mpc-qt { };
+
   mplayer = callPackage ../applications/video/mplayer ({
     pulseSupport = config.pulseaudio or false;
     libdvdnav = libdvdnav_4_2_1;
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index a4b6ddacf80..5dcfd9b348f 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -6004,6 +6004,8 @@ in {
 
   pyhomematic = callPackage ../development/python-modules/pyhomematic { };
 
+  pylama = callPackage ../development/python-modules/pylama { };
+
   pyphen = callPackage ../development/python-modules/pyphen {};
 
   pypoppler = buildPythonPackage rec {
@@ -7556,6 +7558,8 @@ in {
 
   flake8-future-import = callPackage ../development/python-modules/flake8-future-import { };
 
+  flake8-import-order = callPackage ../development/python-modules/flake8-import-order { };
+
   flaky = buildPythonPackage rec {
     name = "flaky-${version}";
     version = "3.1.0";