treewide: remove unused variables (#63177)

* treewide: remove unused variables

* making ofborg happy

30 files changed, 34 insertions, 45 deletions

diff --git a/pkgs/development/compilers/chicken/5/eggs.nix b/pkgs/development/compilers/chicken/5/eggs.nix
index 04f7551f32d..2d3324ceaca 100644
--- a/pkgs/development/compilers/chicken/5/eggs.nix
+++ b/pkgs/development/compilers/chicken/5/eggs.nix
@@ -1,4 +1,4 @@
-{ pkgs, stdenv }:
+{ pkgs }:
 rec {
   inherit (pkgs) eggDerivation fetchegg;
 
diff --git a/pkgs/development/compilers/compcert/default.nix b/pkgs/development/compilers/compcert/default.nix
index 4538d303148..33957b5a8dc 100644
--- a/pkgs/development/compilers/compcert/default.nix
+++ b/pkgs/development/compilers/compcert/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, lib, fetchFromGitHub, fetchpatch, makeWrapper
+{ stdenv, lib, fetchFromGitHub, makeWrapper
 , coq, ocamlPackages, coq2html
 , tools ? stdenv.cc
 }:
diff --git a/pkgs/development/compilers/dmd/default.nix b/pkgs/development/compilers/dmd/default.nix
index 7b85b3e85ba..b3b58e83621 100644
--- a/pkgs/development/compilers/dmd/default.nix
+++ b/pkgs/development/compilers/dmd/default.nix
@@ -1,7 +1,7 @@
-{ stdenv, lib, fetchFromGitHub, fetchpatch
+{ stdenv, lib, fetchFromGitHub
 , makeWrapper, unzip, which, writeTextFile
 , curl, tzdata, gdb, darwin, git
-, callPackage, targetPackages, ldc
+, targetPackages, ldc
 , version ? "2.085.1"
 , dmdSha256 ? "0ccidfcawrcwdpfjwjiln5xwr4ffp8i2hwx52p8zn3xmc5yxm660"
 , druntimeSha256 ? "109f2glsqrlshk06761xlw4r5v22mivp873cq9g5gcax3g00k617"
diff --git a/pkgs/development/compilers/elm/default.nix b/pkgs/development/compilers/elm/default.nix
index f14bce5d96b..cd91ea6478d 100644
--- a/pkgs/development/compilers/elm/default.nix
+++ b/pkgs/development/compilers/elm/default.nix
@@ -1,6 +1,6 @@
-{ lib, stdenv, buildEnv
+{ lib, stdenv
 , haskell, nodejs
-, fetchurl, fetchpatch, makeWrapper, git }:
+, fetchurl, fetchpatch, makeWrapper }:
 
 let
   fetchElmDeps = import ./fetchElmDeps.nix { inherit stdenv lib fetchurl; };
diff --git a/pkgs/development/compilers/factor-lang/default.nix b/pkgs/development/compilers/factor-lang/default.nix
index 65fb8a9c82d..0f9a1a94bcc 100644
--- a/pkgs/development/compilers/factor-lang/default.nix
+++ b/pkgs/development/compilers/factor-lang/default.nix
@@ -1,12 +1,9 @@
-{ stdenv, fetchurl, glib, glibc, git,
+{ stdenv, fetchurl, glib, git,
   rlwrap, curl, pkgconfig, perl, makeWrapper, tzdata, ncurses,
   pango, cairo, gtk2, gdk_pixbuf, gtkglext,
   mesa, xorg, openssl, unzip }:
 
-let
-  inherit (stdenv.lib) optional;
-
-in stdenv.mkDerivation rec {
+stdenv.mkDerivation rec {
   name = "factor-lang-${version}";
   version = "0.98";
   rev = "7999e72aecc3c5bc4019d43dc4697f49678cc3b4";
diff --git a/pkgs/development/compilers/ghc/8.8.1.nix b/pkgs/development/compilers/ghc/8.8.1.nix
index c180dc6ac86..dce1879ebd0 100644
--- a/pkgs/development/compilers/ghc/8.8.1.nix
+++ b/pkgs/development/compilers/ghc/8.8.1.nix
@@ -2,7 +2,7 @@
 
 # build-tools
 , bootPkgs
-, autoconf, automake, coreutils, fetchurl, fetchpatch, perl, python3, m4, sphinx
+, autoconf, automake, coreutils, fetchurl, perl, python3, m4, sphinx
 , bash
 
 , libiconv ? null, ncurses
diff --git a/pkgs/development/compilers/ghc/head.nix b/pkgs/development/compilers/ghc/head.nix
index 14151601542..2edb49bd463 100644
--- a/pkgs/development/compilers/ghc/head.nix
+++ b/pkgs/development/compilers/ghc/head.nix
@@ -2,7 +2,7 @@
 
 # build-tools
 , bootPkgs
-, autoconf, automake, coreutils, fetchgit, fetchurl, fetchpatch, perl, python3, m4, sphinx
+, autoconf, automake, coreutils, fetchgit, fetchpatch, perl, python3, m4, sphinx
 , bash
 
 , libiconv ? null, ncurses
diff --git a/pkgs/development/compilers/ghcjs-ng/8.6/dep-overrides.nix b/pkgs/development/compilers/ghcjs-ng/8.6/dep-overrides.nix
index 8681aceacd7..53b6dd43134 100644
--- a/pkgs/development/compilers/ghcjs-ng/8.6/dep-overrides.nix
+++ b/pkgs/development/compilers/ghcjs-ng/8.6/dep-overrides.nix
@@ -1,6 +1,6 @@
 { haskellLib }:
 
-let inherit (haskellLib) dontCheck doJailbreak dontHaddock;
+let inherit (haskellLib) doJailbreak dontHaddock;
 in self: super: {
   haddock-library-ghcjs = doJailbreak super.haddock-library-ghcjs;
   haddock-api-ghcjs = doJailbreak (dontHaddock super.haddock-api-ghcjs);
diff --git a/pkgs/development/compilers/ghcjs/base.nix b/pkgs/development/compilers/ghcjs/base.nix
index 93e6a47934f..e9c303b88b6 100644
--- a/pkgs/development/compilers/ghcjs/base.nix
+++ b/pkgs/development/compilers/ghcjs/base.nix
@@ -29,7 +29,7 @@
 , lens
 , parallel, safe, shelly, split, stringsearch, syb
 , tar, terminfo
-, vector, yaml, fetchgit, fetchFromGitHub
+, vector, yaml
 , alex, happy, git, gnumake, autoconf, patch
 , automake, libtool
 , cryptohash
diff --git a/pkgs/development/compilers/glslang/default.nix b/pkgs/development/compilers/glslang/default.nix
index 784d66a0f24..3c46dfc107b 100644
--- a/pkgs/development/compilers/glslang/default.nix
+++ b/pkgs/development/compilers/glslang/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchFromGitHub, fetchpatch, cmake, bison, jq, python, spirv-tools, spirv-headers }:
+{ stdenv, fetchFromGitHub, cmake, bison, jq, python, spirv-tools, spirv-headers }:
 stdenv.mkDerivation rec {
   name = "glslang-${version}";
   version = "7.11.3113";
diff --git a/pkgs/development/compilers/go-jsonnet/default.nix b/pkgs/development/compilers/go-jsonnet/default.nix
index 1001aac8306..69507685f29 100644
--- a/pkgs/development/compilers/go-jsonnet/default.nix
+++ b/pkgs/development/compilers/go-jsonnet/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, lib, buildGoPackage, fetchFromGitHub }:
+{ lib, buildGoPackage, fetchFromGitHub }:
 
 buildGoPackage rec {
   name = "go-jsonnet-${version}";
diff --git a/pkgs/development/compilers/go/1.10.nix b/pkgs/development/compilers/go/1.10.nix
index d18d260b505..39de36293c8 100644
--- a/pkgs/development/compilers/go/1.10.nix
+++ b/pkgs/development/compilers/go/1.10.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchFromGitHub, tzdata, iana-etc, go_bootstrap, runCommand, writeScriptBin
-, perl, which, pkgconfig, patch, procps, pcre, cacert, llvm, Security, Foundation
+, perl, which, pkgconfig, patch, procps, pcre, cacert, Security, Foundation
 , fetchpatch
 }:
 
diff --git a/pkgs/development/compilers/go/1.11.nix b/pkgs/development/compilers/go/1.11.nix
index b545e25d801..d29e3f3c866 100644
--- a/pkgs/development/compilers/go/1.11.nix
+++ b/pkgs/development/compilers/go/1.11.nix
@@ -1,5 +1,5 @@
-{ stdenv, fetchurl, tzdata, iana-etc, go_bootstrap, runCommand, writeScriptBin
-, perl, which, pkgconfig, patch, procps, pcre, cacert, llvm, Security, Foundation
+{ stdenv, fetchurl, tzdata, iana-etc, runCommand
+, perl, which, pkgconfig, patch, procps, pcre, cacert, Security, Foundation
 , mailcap, runtimeShell
 , buildPackages, pkgsTargetTarget
 }:
diff --git a/pkgs/development/compilers/go/1.12.nix b/pkgs/development/compilers/go/1.12.nix
index 7fee3b23408..cbd36293826 100644
--- a/pkgs/development/compilers/go/1.12.nix
+++ b/pkgs/development/compilers/go/1.12.nix
@@ -1,5 +1,5 @@
-{ stdenv, fetchurl, tzdata, iana-etc, go_bootstrap, runCommand, writeScriptBin
-, perl, which, pkgconfig, patch, procps, pcre, cacert, llvm, Security, Foundation
+{ stdenv, fetchurl, tzdata, iana-etc, runCommand
+, perl, which, pkgconfig, patch, procps, pcre, cacert, Security, Foundation
 , mailcap, runtimeShell
 , buildPackages, pkgsTargetTarget
 }:
diff --git a/pkgs/development/compilers/graalvm/default.nix b/pkgs/development/compilers/graalvm/default.nix
index 3cb0d7430ab..b30f47c08e5 100644
--- a/pkgs/development/compilers/graalvm/default.nix
+++ b/pkgs/development/compilers/graalvm/default.nix
@@ -6,10 +6,6 @@
 let
   version = "1.0.0-rc15";
   truffleMake = ./truffle.make;
-  R = fetchurl {
-    url = "http://cran.rstudio.com/src/base/R-3/R-3.5.1.tar.gz";
-    sha256 = "1vap2k8kj5icy9naw61f9zyphf4rs0c9rxvil0zxkwx0xvsvyqq4";
-  };
   makeMxGitCache = list: out: ''
      mkdir ${out}
     ${lib.concatMapStrings ({ url, name, rev, sha256 }: ''
diff --git a/pkgs/development/compilers/ispc/default.nix b/pkgs/development/compilers/ispc/default.nix
index 2657ee6633b..1cbe95232eb 100644
--- a/pkgs/development/compilers/ispc/default.nix
+++ b/pkgs/development/compilers/ispc/default.nix
@@ -1,4 +1,4 @@
-{stdenv, fetchFromGitHub, fetchpatch, which, m4, python, bison, flex, llvmPackages,
+{stdenv, fetchFromGitHub, which, m4, python, bison, flex, llvmPackages,
 testedTargets ? ["sse2" "host"] # the default test target is sse4, but that is not supported by all Hydra agents
 }:
 
diff --git a/pkgs/development/compilers/julia/shared.nix b/pkgs/development/compilers/julia/shared.nix
index 131b7262484..d8d521952bd 100644
--- a/pkgs/development/compilers/julia/shared.nix
+++ b/pkgs/development/compilers/julia/shared.nix
@@ -9,7 +9,7 @@
 { stdenv, fetchurl, fetchzip
 # build tools
 , gfortran, m4, makeWrapper, patchelf, perl, which, python2
-, llvm, cmake
+, cmake
 # libjulia dependencies
 , libunwind, readline, utf8proc, zlib
 # standard library dependencies
diff --git a/pkgs/development/compilers/llvm/5/llvm.nix b/pkgs/development/compilers/llvm/5/llvm.nix
index d6839f0f290..122576cc726 100644
--- a/pkgs/development/compilers/llvm/5/llvm.nix
+++ b/pkgs/development/compilers/llvm/5/llvm.nix
@@ -9,7 +9,6 @@
 , version
 , release_version
 , zlib
-, libcxxabi
 , debugVersion ? false
 , enableManpages ? false
 , enableSharedLibraries ? !enableManpages
diff --git a/pkgs/development/compilers/llvm/8/clang/default.nix b/pkgs/development/compilers/llvm/8/clang/default.nix
index c0a0e085145..5a8b8922eb0 100644
--- a/pkgs/development/compilers/llvm/8/clang/default.nix
+++ b/pkgs/development/compilers/llvm/8/clang/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetch, fetchpatch, cmake, libxml2, llvm, version, clang-tools-extra_src, python
+{ stdenv, fetch, cmake, libxml2, llvm, version, clang-tools-extra_src, python
 , fixDarwinDylibNames
 , enableManpages ? false
 , enablePolly ? false # TODO: get this info from llvm (passthru?)
diff --git a/pkgs/development/compilers/llvm/8/libunwind.nix b/pkgs/development/compilers/llvm/8/libunwind.nix
index a187d0adc99..a4ceb9102ef 100644
--- a/pkgs/development/compilers/llvm/8/libunwind.nix
+++ b/pkgs/development/compilers/llvm/8/libunwind.nix
@@ -1,4 +1,4 @@
-{ stdenv, version, fetch, cmake, libcxx, fetchpatch }:
+{ stdenv, version, fetch, cmake, fetchpatch }:
 
 stdenv.mkDerivation {
   name = "libunwind-${version}";
diff --git a/pkgs/development/compilers/llvm/8/llvm.nix b/pkgs/development/compilers/llvm/8/llvm.nix
index 5d8d0816729..4ff6cc995a0 100644
--- a/pkgs/development/compilers/llvm/8/llvm.nix
+++ b/pkgs/development/compilers/llvm/8/llvm.nix
@@ -1,6 +1,5 @@
 { stdenv
 , fetch
-, fetchpatch
 , cmake
 , python
 , libffi
diff --git a/pkgs/development/compilers/nim/default.nix b/pkgs/development/compilers/nim/default.nix
index 0d319d235fd..aaf45ac36f6 100644
--- a/pkgs/development/compilers/nim/default.nix
+++ b/pkgs/development/compilers/nim/default.nix
@@ -62,7 +62,6 @@ stdenv.mkDerivation rec {
   patchPhase =
     let disableTest = ''sed -i '1i discard \"\"\"\n  disabled: true\n\"\"\"\n\n' '';
         disableStdLibTest = ''sed -i -e '/^when isMainModule/,/^END$/{s/^/#/}' '';
-        disableCompile = ''sed -i -e 's/^/#/' '';
     in ''
       substituteInPlace ./tests/async/tioselectors.nim --replace "/bin/sleep" "sleep"
       substituteInPlace ./tests/osproc/tworkingdir.nim --replace "/usr/bin" "${coreutils}/bin"
diff --git a/pkgs/development/compilers/openjdk/11.nix b/pkgs/development/compilers/openjdk/11.nix
index 5840061ed53..415dacc662a 100644
--- a/pkgs/development/compilers/openjdk/11.nix
+++ b/pkgs/development/compilers/openjdk/11.nix
@@ -1,5 +1,5 @@
 { stdenv, lib, fetchurl, bash, cpio, autoconf, pkgconfig, file, which, unzip, zip, cups, freetype
-, alsaLib, bootjdk, perl, liberation_ttf, fontconfig, zlib, lndir
+, alsaLib, bootjdk, perl, fontconfig, zlib, lndir
 , libX11, libICE, libXrender, libXext, libXt, libXtst, libXi, libXinerama, libXcursor, libXrandr
 , libjpeg, giflib
 , setJavaClassPath
diff --git a/pkgs/development/compilers/openspin/default.nix b/pkgs/development/compilers/openspin/default.nix
index 71bda3e03d9..690707265b4 100644
--- a/pkgs/development/compilers/openspin/default.nix
+++ b/pkgs/development/compilers/openspin/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, fetchFromGitHub }:
+{ stdenv, fetchFromGitHub }:
 
 stdenv.mkDerivation rec {
   name = "openspin-${version}";
diff --git a/pkgs/development/compilers/rust/default.nix b/pkgs/development/compilers/rust/default.nix
index 5c3c0895207..0e3de0c4ab9 100644
--- a/pkgs/development/compilers/rust/default.nix
+++ b/pkgs/development/compilers/rust/default.nix
@@ -1,9 +1,9 @@
-{ stdenv, lib, overrideCC
+{ stdenv, lib
 , buildPackages
 , newScope, callPackage
 , CoreFoundation, Security
 , llvmPackages_5
-, pkgsBuildTarget, pkgsBuildBuild, pkgsBuildHost
+, pkgsBuildTarget, pkgsBuildBuild
 }: rec {
   makeRustPlatform = { rustc, cargo, ... }: {
     rust = {
diff --git a/pkgs/development/compilers/rust/rustc.nix b/pkgs/development/compilers/rust/rustc.nix
index 59264ca6efa..fb658afe07e 100644
--- a/pkgs/development/compilers/rust/rustc.nix
+++ b/pkgs/development/compilers/rust/rustc.nix
@@ -1,6 +1,6 @@
 { stdenv, removeReferencesTo, pkgsBuildBuild, pkgsBuildHost, pkgsBuildTarget
-, fetchurl, fetchgit, fetchzip, file, python2, tzdata, ps
-, llvm_7, ncurses, darwin, git, cmake, curl, rustPlatform
+, fetchurl, file, python2, tzdata, ps
+, llvm_7, darwin, git, cmake, rustPlatform
 , which, libffi, gdb
 , withBundledLLVM ? false
 }:
diff --git a/pkgs/development/compilers/swi-prolog/default.nix b/pkgs/development/compilers/swi-prolog/default.nix
index 97b4a627540..bf452d21d1d 100644
--- a/pkgs/development/compilers/swi-prolog/default.nix
+++ b/pkgs/development/compilers/swi-prolog/default.nix
@@ -1,5 +1,5 @@
-{ stdenv, fetchgit, jdk, gmp, readline, openssl, libjpeg, unixODBC, zlib
-, libXinerama, libarchive, db, pcre, libedit, libossp_uuid, libXft, libXpm
+{ stdenv, fetchgit, jdk, gmp, readline, openssl, unixODBC, zlib
+, libarchive, db, pcre, libedit, libossp_uuid, libXpm
 , libSM, libXt, freetype, pkgconfig, fontconfig, makeWrapper ? stdenv.isDarwin
 , git, cacert, cmake, libyaml
 , extraLibraries ? [ jdk unixODBC libXpm libSM libXt freetype fontconfig ]
diff --git a/pkgs/development/compilers/swift/default.nix b/pkgs/development/compilers/swift/default.nix
index 33f4d2a33fc..94d0a4327d9 100644
--- a/pkgs/development/compilers/swift/default.nix
+++ b/pkgs/development/compilers/swift/default.nix
@@ -1,5 +1,4 @@
 { stdenv
-, targetPackages
 , cmake
 , coreutils
 , glibc
diff --git a/pkgs/development/compilers/vala/default.nix b/pkgs/development/compilers/vala/default.nix
index 6da9d6d3d02..6400f6e1387 100644
--- a/pkgs/development/compilers/vala/default.nix
+++ b/pkgs/development/compilers/vala/default.nix
@@ -1,5 +1,5 @@
-{ stdenv, lib, fetchurl, fetchpatch, pkgconfig, flex, bison, libxslt, autoconf, automake, autoreconfHook
-, graphviz, glib, libiconv, libintl, libtool, expat, substituteAll, gnome3
+{ stdenv, lib, fetchurl, fetchpatch, pkgconfig, flex, bison, libxslt, autoconf, autoreconfHook
+, graphviz, glib, libiconv, libintl, libtool, expat, substituteAll
 }:
 
 let
diff --git a/pkgs/development/compilers/x11basic/default.nix b/pkgs/development/compilers/x11basic/default.nix
index a26bc41c594..88666148da3 100644
--- a/pkgs/development/compilers/x11basic/default.nix
+++ b/pkgs/development/compilers/x11basic/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, lib, fetchFromGitHub
+{ stdenv, fetchFromGitHub
 , automake, autoconf, readline
 , libX11, bluez, SDL2
 }: