diff --git a/pkgs/os-specific/linux/afuse/default.nix b/pkgs/os-specific/linux/afuse/default.nix
index 75c44e111725..e5cc3bd9790a 100644
--- a/pkgs/os-specific/linux/afuse/default.nix
+++ b/pkgs/os-specific/linux/afuse/default.nix
@@ -1,11 +1,14 @@
-{ lib, stdenv, fetchurl, pkg-config, autoreconfHook, fuse }:
+{ lib, stdenv, fetchFromGitHub, pkg-config, autoreconfHook, fuse }:
 
-stdenv.mkDerivation {
-  name = "afuse-0.4.1";
+stdenv.mkDerivation rec {
+  pname = "afuse-0.4.1";
+  version = "0.4.1";
 
-  src = fetchurl {
-    url = "https://github.com/pcarrier/afuse/archive/v0.4.1.tar.gz";
-    sha256 = "1sfhicmxppkvdd4z9klfn63snb71gr9hff6xij1gzk94xg6m0ycc";
+  src = fetchFromGitHub {
+    owner = "pcarrier";
+    repo = "afuse";
+    rev = "v${version}";
+    hash = "sha256-JivJ/xRxUiR0Mnm41T0514kF+T7ePeGpk4IHhWApKBo=";
   };
 
   nativeBuildInputs = [ autoreconfHook pkg-config ];
diff --git a/pkgs/os-specific/linux/bbswitch/default.nix b/pkgs/os-specific/linux/bbswitch/default.nix
index fbd34afdaf8f..4d081225f11e 100644
--- a/pkgs/os-specific/linux/bbswitch/default.nix
+++ b/pkgs/os-specific/linux/bbswitch/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, fetchpatch, kernel, runtimeShell }:
+{ lib, stdenv, fetchFromGitHub, fetchpatch, kernel, runtimeShell }:
 
 let
   baseName = "bbswitch";
@@ -10,9 +10,11 @@ in
 stdenv.mkDerivation {
   inherit name;
 
-  src = fetchurl {
-    url = "https://github.com/Bumblebee-Project/${baseName}/archive/v${version}.tar.gz";
-    sha256 = "0xql1nv8dafnrcg54f3jsi3ny3cd2ca9iv73pxpgxd2gfczvvjkn";
+  src = fetchFromGitHub {
+    owner = "Bumblebee-Project";
+    repo = "bbswitch";
+    rev = "v${version}";
+    hash = "sha256-FHC8myKnouNDERVds2QCJj1ZstjHrOzFpb+FDiSBjL4=";
   };
 
   patches = [
diff --git a/pkgs/os-specific/linux/google-authenticator/default.nix b/pkgs/os-specific/linux/google-authenticator/default.nix
index ce90a1d432f7..fcf75ac7821a 100644
--- a/pkgs/os-specific/linux/google-authenticator/default.nix
+++ b/pkgs/os-specific/linux/google-authenticator/default.nix
@@ -1,12 +1,14 @@
-{ stdenv, lib, fetchurl, autoreconfHook, pam, qrencode }:
+{ stdenv, lib, fetchFromGitHub, autoreconfHook, pam, qrencode }:
 
 stdenv.mkDerivation rec {
   pname = "google-authenticator-libpam";
   version = "1.09";
 
-  src = fetchurl {
-    url = "https://github.com/google/google-authenticator-libpam/archive/${version}.tar.gz";
-    sha256 = "0dyhgizl2jcrnfn5sxipxawqrbr6qgjh7aggw8fz3hix861pj7db";
+  src = fetchFromGitHub {
+    owner = "google";
+    repo = "google-authenticator-libpam";
+    rev = version;
+    hash = "sha256-DS0h6FWMNKnSSj039bH6iyWrERa5M7LBSkbyig6pyxY=";
   };
 
   nativeBuildInputs = [ autoreconfHook ];
diff --git a/pkgs/os-specific/linux/lm-sensors/default.nix b/pkgs/os-specific/linux/lm-sensors/default.nix
index 21324a5d6ce7..fda11400e8f5 100644
--- a/pkgs/os-specific/linux/lm-sensors/default.nix
+++ b/pkgs/os-specific/linux/lm-sensors/default.nix
@@ -1,5 +1,12 @@
-{ lib, stdenv, fetchzip, bison, flex, which, perl
-, sensord ? false, rrdtool ? null
+{ lib
+, stdenv
+, fetchFromGitHub
+, bison
+, flex
+, which
+, perl
+, sensord ? false
+, rrdtool ? null
 }:
 
 assert sensord -> rrdtool != null;
@@ -7,16 +14,18 @@ assert sensord -> rrdtool != null;
 stdenv.mkDerivation rec {
   pname = "lm-sensors";
   version = "3.6.0";
-  dashedVersion = lib.replaceStrings ["."] ["-"] version;
+  dashedVersion = lib.replaceStrings [ "." ] [ "-" ] version;
 
-  src = fetchzip {
-    url = "https://github.com/lm-sensors/lm-sensors/archive/V${dashedVersion}.tar.gz";
-    sha256 = "1ipf6wjx037sqyhy0r5jh4983h216anq9l68ckn2x5c3qc4wfmzn";
+  src = fetchFromGitHub {
+    owner = "lm-sensors";
+    repo = "lm-sensors";
+    rev = "V${dashedVersion}";
+    hash = "sha256-9lfHCcODlS7sZMjQhK0yQcCBEoGyZOChx/oM0CU37sY=";
   };
 
   nativeBuildInputs = [ bison flex which ];
   buildInputs = [ perl ]
-   ++ lib.optional sensord rrdtool;
+    ++ lib.optional sensord rrdtool;
 
   makeFlags = [
     "PREFIX=${placeholder "out"}"
diff --git a/pkgs/os-specific/linux/pflask/default.nix b/pkgs/os-specific/linux/pflask/default.nix
index f3e63133d1e1..92294b58e42a 100644
--- a/pkgs/os-specific/linux/pflask/default.nix
+++ b/pkgs/os-specific/linux/pflask/default.nix
@@ -1,13 +1,14 @@
-{ lib, stdenv, fetchurl, python, wafHook }:
+{ lib, stdenv, fetchFromGitHub, python, wafHook }:
 
 stdenv.mkDerivation rec {
   pname = "pflask";
-  version = "git-2015-12-17";
-  rev = "599418bb6453eaa0ccab493f9411f13726c1a636";
+  version = "unstable-2015-12-17";
 
-  src = fetchurl {
-    url = "https://github.com/ghedo/pflask/archive/${rev}.tar.gz";
-    sha256 = "2545fca37f9da484b46b6fb5e3a9bbba6526a9725189fe4af5227ef6e6fca440";
+  src = fetchFromGitHub {
+    owner = "ghedo";
+    repo = "pflask";
+    rev = "599418bb6453eaa0ccab493f9411f13726c1a636";
+    hash = "sha256-0RjitZd2JUK7WUEJuw4qhUx3joY5OI0Hh74mTzp7GmY=";
   };
 
   nativeBuildInputs = [ wafHook ];
@@ -15,9 +16,9 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "Lightweight process containers for Linux";
-    homepage    = "https://ghedo.github.io/pflask/";
-    license     = lib.licenses.bsd2;
-    platforms   = lib.platforms.linux;
+    homepage = "https://ghedo.github.io/pflask/";
+    license = lib.licenses.bsd2;
+    platforms = lib.platforms.linux;
     maintainers = with lib.maintainers; [ ];
   };
 }
diff --git a/pkgs/os-specific/linux/v86d/default.nix b/pkgs/os-specific/linux/v86d/default.nix
index 36270cdfcc0e..254abb5838e8 100644
--- a/pkgs/os-specific/linux/v86d/default.nix
+++ b/pkgs/os-specific/linux/v86d/default.nix
@@ -1,14 +1,19 @@
-{ lib, stdenv, fetchurl
-, kernel, klibc
+{ lib
+, stdenv
+, fetchFromGitHub
+, kernel
+, klibc
 }:
 
 stdenv.mkDerivation rec {
   name = "v86d-${version}-${kernel.version}";
   version = "0.1.10";
 
-  src = fetchurl {
-    url = "https://github.com/mjanusz/v86d/archive/v86d-${version}.tar.gz";
-    sha256 = "1flnpp8rc945cxr6jr9dlm8mi8gr181zrp2say4269602s1a4ymg";
+  src = fetchFromGitHub {
+    owner = "mjanusz";
+    repo = "v86d";
+    rev = "v86d-${version}";
+    hash = "sha256-95LRzVbO/DyddmPwQNNQ290tasCGoQk7FDHlst6LkbA=";
   };
 
   patchPhase = ''