treewide: fix double quoted strings in meta.description

Signed-off-by: Ben Siraphob <bensiraphob@gmail.com>

41 files changed, 45 insertions, 48 deletions

diff --git a/pkgs/tools/X11/xmagnify/default.nix b/pkgs/tools/X11/xmagnify/default.nix
index 797d624323bf0..b4df0f00342ff 100644
--- a/pkgs/tools/X11/xmagnify/default.nix
+++ b/pkgs/tools/X11/xmagnify/default.nix
@@ -10,7 +10,7 @@ stdenv.mkDerivation {
     sha256 = "1ngnp5f5zl3v35vhbdyjpymy6mwrs0476fm5nd7dzkba7n841jdh";
   };
 
-  prePatch = ''substituteInPlace ./Makefile --replace /usr $out'';
+  prePatch = "substituteInPlace ./Makefile --replace /usr $out";
 
   buildInputs = [ libX11 xorgproto ];
 
diff --git a/pkgs/tools/X11/xprintidle-ng/default.nix b/pkgs/tools/X11/xprintidle-ng/default.nix
index 9e7b85f6ef990..758450d365451 100644
--- a/pkgs/tools/X11/xprintidle-ng/default.nix
+++ b/pkgs/tools/X11/xprintidle-ng/default.nix
@@ -35,7 +35,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     inherit  version;
-    description = ''A command-line tool to print idle time from libXss'';
+    description = "A command-line tool to print idle time from libXss";
     homepage = "http://taktoa.me/xprintidle-ng/";
     license = lib.licenses.gpl2;
     maintainers = [lib.maintainers.raskin];
diff --git a/pkgs/tools/X11/xwinmosaic/default.nix b/pkgs/tools/X11/xwinmosaic/default.nix
index 81cefb01c7f7f..311f1e42901ee 100644
--- a/pkgs/tools/X11/xwinmosaic/default.nix
+++ b/pkgs/tools/X11/xwinmosaic/default.nix
@@ -16,7 +16,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     inherit version;
-    description = ''X window switcher drawing a colourful grid'';
+    description = "X window switcher drawing a colourful grid";
     license = lib.licenses.bsd2 ;
     maintainers = [lib.maintainers.raskin];
     platforms = lib.platforms.linux;
diff --git a/pkgs/tools/archivers/unzip/default.nix b/pkgs/tools/archivers/unzip/default.nix
index cfd764aa11ef5..e74637ca25ec1 100644
--- a/pkgs/tools/archivers/unzip/default.nix
+++ b/pkgs/tools/archivers/unzip/default.nix
@@ -66,7 +66,7 @@ stdenv.mkDerivation {
   '';
 
   installFlags = [
-    "prefix=${placeholder ''out''}"
+    "prefix=${placeholder "out"}"
   ];
 
   setupHook = ./setup-hook.sh;
diff --git a/pkgs/tools/archivers/zip/default.nix b/pkgs/tools/archivers/zip/default.nix
index f8131046df17f..58c748fe4e8ad 100644
--- a/pkgs/tools/archivers/zip/default.nix
+++ b/pkgs/tools/archivers/zip/default.nix
@@ -21,7 +21,7 @@ stdenv.mkDerivation {
   makefile = "unix/Makefile";
   buildFlags = if stdenv.isCygwin then [ "cygwin" ] else [ "generic" ];
   installFlags = [
-    "prefix=${placeholder ''out''}"
+    "prefix=${placeholder "out"}"
     "INSTALL=cp"
   ];
 
diff --git a/pkgs/tools/audio/pa-applet/default.nix b/pkgs/tools/audio/pa-applet/default.nix
index c5083bbb05a4f..358e662ca1e06 100644
--- a/pkgs/tools/audio/pa-applet/default.nix
+++ b/pkgs/tools/audio/pa-applet/default.nix
@@ -21,8 +21,7 @@ stdenv.mkDerivation {
   # work around a problem related to gtk3 updates
   NIX_CFLAGS_COMPILE = "-Wno-error=deprecated-declarations";
 
-  postInstall = ''
-  '';
+  postInstall = "";
 
   meta = with lib; {
     description = "";
diff --git a/pkgs/tools/backup/mydumper/default.nix b/pkgs/tools/backup/mydumper/default.nix
index 0804b5132c5dd..a923724419d24 100644
--- a/pkgs/tools/backup/mydumper/default.nix
+++ b/pkgs/tools/backup/mydumper/default.nix
@@ -21,7 +21,7 @@ stdenv.mkDerivation rec {
   cmakeFlags = [ "-DMYSQL_INCLUDE_DIR=${getDev libmysqlclient}/include/mysql" ];
 
   meta = with lib; {
-    description = ''High-perfomance MySQL backup tool'';
+    description = "High-perfomance MySQL backup tool";
     homepage = "https://github.com/maxbube/mydumper";
     license = licenses.gpl3;
     platforms = platforms.linux;
diff --git a/pkgs/tools/compression/advancecomp/default.nix b/pkgs/tools/compression/advancecomp/default.nix
index b0e7f9e8f6b51..7f8733b9b4ec0 100644
--- a/pkgs/tools/compression/advancecomp/default.nix
+++ b/pkgs/tools/compression/advancecomp/default.nix
@@ -36,7 +36,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = with lib; {
-    description = ''A set of tools to optimize deflate-compressed files'';
+    description = "A set of tools to optimize deflate-compressed files";
     license = licenses.gpl3 ;
     maintainers = [ maintainers.raskin ];
     platforms = platforms.linux ++ platforms.darwin;
diff --git a/pkgs/tools/compression/pixz/default.nix b/pkgs/tools/compression/pixz/default.nix
index b55c1a887ffb4..833dcae8850a9 100644
--- a/pkgs/tools/compression/pixz/default.nix
+++ b/pkgs/tools/compression/pixz/default.nix
@@ -29,7 +29,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     inherit version;
-    description = ''A parallel compressor/decompressor for xz format'';
+    description = "A parallel compressor/decompressor for xz format";
     license = lib.licenses.bsd2;
     maintainers = [lib.maintainers.raskin];
     platforms = lib.platforms.unix;
diff --git a/pkgs/tools/filesystems/catcli/default.nix b/pkgs/tools/filesystems/catcli/default.nix
index f5dbabaf5834b..8f4e9941029b9 100644
--- a/pkgs/tools/filesystems/catcli/default.nix
+++ b/pkgs/tools/filesystems/catcli/default.nix
@@ -18,7 +18,7 @@ buildPythonApplication rec {
 
   propagatedBuildInputs = [ docopt anytree ];
 
-  postPatch = '' patchShebangs . '';
+  postPatch = "patchShebangs . ";
 
   meta = with lib; {
     description = "The command line catalog tool for your offline data";
diff --git a/pkgs/tools/filesystems/glusterfs/default.nix b/pkgs/tools/filesystems/glusterfs/default.nix
index 5145889407e1e..a1e9fad454051 100644
--- a/pkgs/tools/filesystems/glusterfs/default.nix
+++ b/pkgs/tools/filesystems/glusterfs/default.nix
@@ -90,7 +90,7 @@ in stdenv.mkDerivation rec {
     '';
 
   configureFlags = [
-    ''--localstatedir=/var''
+    "--localstatedir=/var"
     ];
 
   nativeBuildInputs = [ rpcsvc-proto ];
diff --git a/pkgs/tools/filesystems/irods/default.nix b/pkgs/tools/filesystems/irods/default.nix
index 8dfdd96dbeb89..0dce22b8bbba9 100644
--- a/pkgs/tools/filesystems/irods/default.nix
+++ b/pkgs/tools/filesystems/irods/default.nix
@@ -57,8 +57,7 @@ in rec {
     '';
 
     meta = common.meta // {
-      longDescription = common.meta.longDescription + ''
-        This package provides the servers and libraries.'';
+      longDescription = common.meta.longDescription + "This package provides the servers and libraries.";
     };
   });
 
@@ -93,8 +92,7 @@ in rec {
 
      meta = common.meta // {
        description = common.meta.description + " CLI clients";
-       longDescription = common.meta.longDescription + ''
-         This package provides the CLI clients, called 'icommands'.'';
+       longDescription = common.meta.longDescription + "This package provides the CLI clients, called 'icommands'.";
      };
   });
 }
diff --git a/pkgs/tools/graphics/argyllcms/default.nix b/pkgs/tools/graphics/argyllcms/default.nix
index 727aa1dc56e3a..9dc2ad4d5f57f 100644
--- a/pkgs/tools/graphics/argyllcms/default.nix
+++ b/pkgs/tools/graphics/argyllcms/default.nix
@@ -97,7 +97,7 @@ stdenv.mkDerivation rec {
   buildFlags = [ "all" ];
 
   makeFlags = [
-    "PREFIX=${placeholder ''out''}"
+    "PREFIX=${placeholder "out"}"
   ];
 
   # Install udev rules, but remove lines that set up the udev-acl
diff --git a/pkgs/tools/graphics/cfdg/src-info-for-default.nix b/pkgs/tools/graphics/cfdg/src-info-for-default.nix
index 0e2018b6bfdd4..b84376e9882ea 100644
--- a/pkgs/tools/graphics/cfdg/src-info-for-default.nix
+++ b/pkgs/tools/graphics/cfdg/src-info-for-default.nix
@@ -1,6 +1,6 @@
 {
   downloadPage = "https://contextfreeart.org/mediawiki/index.php/Download_page";
   baseName = "cfdg";
-  sourceRegexp = ''.*[.]tgz'';
+  sourceRegexp = ".*[.]tgz";
   versionExtractorSedScript = ''s/[^0-9]*([0-9.]*)[.]tgz/\1/'';
 }
diff --git a/pkgs/tools/graphics/convchain/default.nix b/pkgs/tools/graphics/convchain/default.nix
index 4a4920ec6b9e6..714cdd656df13 100644
--- a/pkgs/tools/graphics/convchain/default.nix
+++ b/pkgs/tools/graphics/convchain/default.nix
@@ -32,7 +32,7 @@ stdenv.mkDerivation rec {
   buildInputs = [mono];
   meta = {
     inherit version;
-    description = ''Bitmap generation from a single example with convolutions and MCMC'';
+    description = "Bitmap generation from a single example with convolutions and MCMC";
     license = lib.licenses.mit;
     maintainers = [lib.maintainers.raskin];
     platforms = lib.platforms.linux;
diff --git a/pkgs/tools/graphics/gmic-qt/default.nix b/pkgs/tools/graphics/gmic-qt/default.nix
index c8e3e8012b1b1..1d26379c396ac 100644
--- a/pkgs/tools/graphics/gmic-qt/default.nix
+++ b/pkgs/tools/graphics/gmic-qt/default.nix
@@ -51,7 +51,7 @@ assert lib.assertMsg (builtins.hasAttr variant variants) "gmic-qt variant “${v
 assert lib.assertMsg (builtins.all (d: d != null) variants.${variant}.extraDeps or []) "gmic-qt variant “${variant}” is missing one of its dependencies.";
 
 mkDerivation rec {
-  pname = "gmic-qt${lib.optionalString (variant != "standalone") ''-${variant}''}";
+  pname = "gmic-qt${lib.optionalString (variant != "standalone") "-${variant}"}";
   version = "2.7.1";
 
   gmic-community = fetchFromGitHub {
diff --git a/pkgs/tools/graphics/qrcode/default.nix b/pkgs/tools/graphics/qrcode/default.nix
index 82c0332689b52..4f1770be17ede 100644
--- a/pkgs/tools/graphics/qrcode/default.nix
+++ b/pkgs/tools/graphics/qrcode/default.nix
@@ -20,7 +20,7 @@ stdenv.mkDerivation {
   '';
 
   meta = with lib; {
-    description = ''A small QR-code tool'';
+    description = "A small QR-code tool";
     license = licenses.gpl3Plus;
     maintainers = with maintainers; [ raskin ];
     platforms = with platforms; linux;
diff --git a/pkgs/tools/graphics/quirc/default.nix b/pkgs/tools/graphics/quirc/default.nix
index bfa9bb36ce76e..8ca8ecf2c893b 100644
--- a/pkgs/tools/graphics/quirc/default.nix
+++ b/pkgs/tools/graphics/quirc/default.nix
@@ -31,7 +31,7 @@ stdenv.mkDerivation {
   makeFlags = [ "PREFIX=$(out)" ];
   meta = {
     inherit (s) version;
-    description = ''A small QR code decoding library'';
+    description = "A small QR code decoding library";
     license = lib.licenses.isc;
     maintainers = [lib.maintainers.raskin];
     platforms = lib.platforms.linux;
diff --git a/pkgs/tools/graphics/syntex/default.nix b/pkgs/tools/graphics/syntex/default.nix
index e39742d76d0bc..a076e97d05685 100644
--- a/pkgs/tools/graphics/syntex/default.nix
+++ b/pkgs/tools/graphics/syntex/default.nix
@@ -26,7 +26,7 @@ stdenv.mkDerivation rec {
   buildInputs = [mono];
   meta = {
     inherit version;
-    description = ''Texture synthesis from examples'';
+    description = "Texture synthesis from examples";
     license = lib.licenses.mit;
     maintainers = [lib.maintainers.raskin];
     platforms = lib.platforms.linux;
diff --git a/pkgs/tools/graphics/wavefunctioncollapse/default.nix b/pkgs/tools/graphics/wavefunctioncollapse/default.nix
index 4e84380f95918..f761e2bbde607 100644
--- a/pkgs/tools/graphics/wavefunctioncollapse/default.nix
+++ b/pkgs/tools/graphics/wavefunctioncollapse/default.nix
@@ -26,7 +26,7 @@ stdenv.mkDerivation rec {
   buildInputs = [mono];
   meta = {
     inherit version;
-    description = ''A generator of bitmaps that are locally similar to the input bitmap'';
+    description = "A generator of bitmaps that are locally similar to the input bitmap";
     license = lib.licenses.mit;
     maintainers = [lib.maintainers.raskin];
     platforms = lib.platforms.linux;
diff --git a/pkgs/tools/graphics/zxing/default.nix b/pkgs/tools/graphics/zxing/default.nix
index c3f03da8bc561..f4eeb50fc03b0 100644
--- a/pkgs/tools/graphics/zxing/default.nix
+++ b/pkgs/tools/graphics/zxing/default.nix
@@ -25,7 +25,7 @@ stdenv.mkDerivation rec {
   '';
   meta = {
     inherit version;
-    description = ''1D and 2D code reading library'';
+    description = "1D and 2D code reading library";
     license = lib.licenses.asl20;
     maintainers = [lib.maintainers.raskin];
     platforms = lib.platforms.linux;
diff --git a/pkgs/tools/inputmethods/ibus-engines/ibus-uniemoji/default.nix b/pkgs/tools/inputmethods/ibus-engines/ibus-uniemoji/default.nix
index 38f746e3ceeb8..f78d52f5b679d 100644
--- a/pkgs/tools/inputmethods/ibus-engines/ibus-uniemoji/default.nix
+++ b/pkgs/tools/inputmethods/ibus-engines/ibus-uniemoji/default.nix
@@ -42,8 +42,8 @@ in stdenv.mkDerivation rec {
   ];
 
   makeFlags = [
-    "PREFIX=${placeholder ''out''}"
-    "SYSCONFDIR=${placeholder ''out''}/etc"
+    "PREFIX=${placeholder "out"}"
+    "SYSCONFDIR=${placeholder "out"}/etc"
     "PYTHON=${python.interpreter}"
   ];
 
diff --git a/pkgs/tools/inputmethods/ibus/default.nix b/pkgs/tools/inputmethods/ibus/default.nix
index 7374733f54226..c555c507d7bc9 100644
--- a/pkgs/tools/inputmethods/ibus/default.nix
+++ b/pkgs/tools/inputmethods/ibus/default.nix
@@ -101,8 +101,8 @@ stdenv.mkDerivation rec {
   ];
 
   makeFlags = [
-    "test_execsdir=${placeholder ''installedTests''}/libexec/installed-tests/ibus"
-    "test_sourcesdir=${placeholder ''installedTests''}/share/installed-tests/ibus"
+    "test_execsdir=${placeholder "installedTests"}/libexec/installed-tests/ibus"
+    "test_sourcesdir=${placeholder "installedTests"}/share/installed-tests/ibus"
   ];
 
   nativeBuildInputs = [
diff --git a/pkgs/tools/misc/ccze/default.nix b/pkgs/tools/misc/ccze/default.nix
index 140e09c010a25..af37d7a33c1a0 100644
--- a/pkgs/tools/misc/ccze/default.nix
+++ b/pkgs/tools/misc/ccze/default.nix
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
 
   buildInputs = [ autoconf ncurses pcre ];
 
-  preConfigure = '' autoheader && autoconf '';
+  preConfigure = "autoheader && autoconf ";
 
   meta = with lib; {
     description = "Fast, modular log colorizer";
diff --git a/pkgs/tools/misc/debian-devscripts/default.nix b/pkgs/tools/misc/debian-devscripts/default.nix
index 9b97886682fd9..8de7cc99336d2 100644
--- a/pkgs/tools/misc/debian-devscripts/default.nix
+++ b/pkgs/tools/misc/debian-devscripts/default.nix
@@ -58,7 +58,7 @@ in stdenv.mkDerivation rec {
   '';
 
   meta = with lib; {
-    description = ''Debian package maintenance scripts'';
+    description = "Debian package maintenance scripts";
     license = licenses.free; # Mix of public domain, Artistic+GPL, GPL1+, GPL2+, GPL3+, and GPL2-only... TODO
     maintainers = with maintainers; [raskin];
     platforms = with platforms; linux;
diff --git a/pkgs/tools/networking/badvpn/default.nix b/pkgs/tools/networking/badvpn/default.nix
index 0445a424a4059..fd7c3b23adfee 100644
--- a/pkgs/tools/networking/badvpn/default.nix
+++ b/pkgs/tools/networking/badvpn/default.nix
@@ -31,7 +31,7 @@ stdenv.mkDerivation {
 
   meta = {
     inherit (s) version;
-    description = ''A set of network-related (mostly VPN-related) tools'';
+    description = "A set of network-related (mostly VPN-related) tools";
     license = lib.licenses.bsd3 ;
     maintainers = [lib.maintainers.raskin];
     platforms = lib.platforms.linux;
diff --git a/pkgs/tools/networking/bgpdump/default.nix b/pkgs/tools/networking/bgpdump/default.nix
index e5159fef10172..18d72daa009f4 100644
--- a/pkgs/tools/networking/bgpdump/default.nix
+++ b/pkgs/tools/networking/bgpdump/default.nix
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     homepage = "https://bitbucket.org/ripencc/bgpdump/";
-    description = ''Analyze dump files produced by Zebra/Quagga or MRT'';
+    description = "Analyze dump files produced by Zebra/Quagga or MRT";
     license = lib.licenses.hpnd;
     maintainers = with lib.maintainers; [ lewo ];
     platforms = with lib.platforms; linux;
diff --git a/pkgs/tools/networking/bsd-finger/default.nix b/pkgs/tools/networking/bsd-finger/default.nix
index f3ecf7a9702de..189f636cd1fb4 100644
--- a/pkgs/tools/networking/bsd-finger/default.nix
+++ b/pkgs/tools/networking/bsd-finger/default.nix
@@ -16,7 +16,7 @@ stdenv.mkDerivation rec {
 
   preBuild = "cd finger";
 
-  preInstall = '' mkdir -p $out/man/man1 $out/bin '';
+  preInstall = "mkdir -p $out/man/man1 $out/bin ";
 
   meta = with lib; {
     platforms = platforms.linux;
diff --git a/pkgs/tools/networking/jnettop/default.nix b/pkgs/tools/networking/jnettop/default.nix
index e311fef339fe7..bd31235b6f943 100644
--- a/pkgs/tools/networking/jnettop/default.nix
+++ b/pkgs/tools/networking/jnettop/default.nix
@@ -19,7 +19,7 @@ stdenv.mkDerivation {
     })
   ];
 
-  preConfigure = '' autoconf '';
+  preConfigure = "autoconf ";
 
   meta = {
     description = "Network traffic visualizer";
diff --git a/pkgs/tools/networking/mailsend/default.nix b/pkgs/tools/networking/mailsend/default.nix
index dd09d91a203fe..9856634116eb2 100644
--- a/pkgs/tools/networking/mailsend/default.nix
+++ b/pkgs/tools/networking/mailsend/default.nix
@@ -31,7 +31,7 @@ stdenv.mkDerivation {
   ];
   meta = {
     inherit (s) version;
-    description = ''CLI email sending tool'';
+    description = "CLI email sending tool";
     license = lib.licenses.bsd3 ;
     maintainers = [lib.maintainers.raskin];
     platforms = lib.platforms.linux;
diff --git a/pkgs/tools/networking/persepolis/default.nix b/pkgs/tools/networking/persepolis/default.nix
index fd36680c992ec..2ebec34b219af 100644
--- a/pkgs/tools/networking/persepolis/default.nix
+++ b/pkgs/tools/networking/persepolis/default.nix
@@ -47,7 +47,7 @@ buildPythonApplication rec {
   # feed args to wrapPythonApp
   makeWrapperArgs = [
     "--prefix PATH : ${lib.makeBinPath [aria libnotify ]}"
-    ''''${qtWrapperArgs[@]}''
+    "\${qtWrapperArgs[@]}"
   ];
 
   propagatedBuildInputs = [
diff --git a/pkgs/tools/package-management/disnix/DisnixWebService/default.nix b/pkgs/tools/package-management/disnix/DisnixWebService/default.nix
index 1d2f3ab0fee5f..ba3c51822e908 100644
--- a/pkgs/tools/package-management/disnix/DisnixWebService/default.nix
+++ b/pkgs/tools/package-management/disnix/DisnixWebService/default.nix
@@ -7,7 +7,7 @@ stdenv.mkDerivation {
     sha256 = "0m451msd127ay09yb8rbflg68szm8s4hh65j99f7s3mz375vc114";
   };
   buildInputs = [ apacheAnt jdk ];
-  PREFIX = ''''${env.out}'';
+  PREFIX = "\${env.out}";
   AXIS2_LIB = "${axis2}/lib";
   AXIS2_WEBAPP = "${axis2}/webapps/axis2";
   DBUS_JAVA_LIB = "${dbus_java}/share/java";
diff --git a/pkgs/tools/package-management/nix/default.nix b/pkgs/tools/package-management/nix/default.nix
index 2437613755d58..c980fda3c861a 100644
--- a/pkgs/tools/package-management/nix/default.nix
+++ b/pkgs/tools/package-management/nix/default.nix
@@ -126,7 +126,7 @@ common =
         ]
         ++ lib.optional (
             stdenv.hostPlatform != stdenv.buildPlatform && stdenv.hostPlatform ? nix && stdenv.hostPlatform.nix ? system
-        ) ''--with-system=${stdenv.hostPlatform.nix.system}''
+        ) "--with-system=${stdenv.hostPlatform.nix.system}"
            # RISC-V support in progress https://github.com/seccomp/libseccomp/pull/50
         ++ lib.optional (!withLibseccomp) "--disable-seccomp-sandboxing";
 
diff --git a/pkgs/tools/security/gencfsm/default.nix b/pkgs/tools/security/gencfsm/default.nix
index d19f07595e803..53127173f7900 100644
--- a/pkgs/tools/security/gencfsm/default.nix
+++ b/pkgs/tools/security/gencfsm/default.nix
@@ -24,7 +24,7 @@ stdenv.mkDerivation rec {
 
   configureFlags = [ "--disable-appindicator" ];
 
-  preFixup = ''gappsWrapperArgs+=(--prefix PATH : ${encfs}/bin)'';
+  preFixup = "gappsWrapperArgs+=(--prefix PATH : ${encfs}/bin)";
 
   enableParallelBuilding = true;
 
diff --git a/pkgs/tools/security/pbis/default.nix b/pkgs/tools/security/pbis/default.nix
index a2533c1c6a0f1..7561b1fae98fc 100644
--- a/pkgs/tools/security/pbis/default.nix
+++ b/pkgs/tools/security/pbis/default.nix
@@ -35,7 +35,7 @@ stdenv.mkDerivation rec {
     fi
     NIX_CFLAGS_COMPILE="$NIX_CFLAGS_COMPILE -isystem ${lib.getDev libxml2}/include/libxml2 -Wno-error=array-bounds -Wno-error=pointer-sign -Wno-error=deprecated-declarations -Wno-error=unused-variable"
   '';
-  configureScript = ''../configure'';
+  configureScript = "../configure";
   configureFlags = [
     "CFLAGS=-O"
     "--docdir=${placeholder "prefix"}/share/doc"
diff --git a/pkgs/tools/security/tcpcrypt/default.nix b/pkgs/tools/security/tcpcrypt/default.nix
index 23b79af73cd0a..eb889cfef1652 100644
--- a/pkgs/tools/security/tcpcrypt/default.nix
+++ b/pkgs/tools/security/tcpcrypt/default.nix
@@ -16,7 +16,7 @@ stdenv.mkDerivation rec {
     sha256 = "0a015rlyvagz714pgwr85f8gjq1fkc0il7d7l39qcgxrsp15b96w";
   };
 
-  postUnpack = ''mkdir -vp $sourceRoot/m4'';
+  postUnpack = "mkdir -vp $sourceRoot/m4";
 
   outputs = [ "bin" "dev" "out" ];
   nativeBuildInputs = [ autoreconfHook ];
diff --git a/pkgs/tools/system/at/default.nix b/pkgs/tools/system/at/default.nix
index db3c066c0ba4d..11a45fbe391aa 100644
--- a/pkgs/tools/system/at/default.nix
+++ b/pkgs/tools/system/at/default.nix
@@ -51,7 +51,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = {
-    description = ''The classical Unix `at' job scheduling command'';
+    description = "The classical Unix `at' job scheduling command";
     license = lib.licenses.gpl2Plus;
     homepage = "https://packages.qa.debian.org/at";
     platforms = lib.platforms.linux;
diff --git a/pkgs/tools/system/ipmitool/default.nix b/pkgs/tools/system/ipmitool/default.nix
index 1d31500401809..2f0e2c600d0a2 100644
--- a/pkgs/tools/system/ipmitool/default.nix
+++ b/pkgs/tools/system/ipmitool/default.nix
@@ -41,7 +41,7 @@ stdenv.mkDerivation {
   dontDisableStatic = static;
 
   meta = with lib; {
-    description = ''Command-line interface to IPMI-enabled devices'';
+    description = "Command-line interface to IPMI-enabled devices";
     license = licenses.bsd3;
     homepage = "https://sourceforge.net/projects/ipmitool/";
     platforms = platforms.unix;
diff --git a/pkgs/tools/system/socklog/default.nix b/pkgs/tools/system/socklog/default.nix
index a235ea09d3517..a87beb14a84c4 100644
--- a/pkgs/tools/system/socklog/default.nix
+++ b/pkgs/tools/system/socklog/default.nix
@@ -30,7 +30,7 @@ stdenv.mkDerivation rec {
     echo "$NIX_CC/bin/cc -s"                    >src/conf-ld
   '';
 
-  buildPhase = ''package/compile'';
+  buildPhase = "package/compile";
 
   installPhase = ''
     mkdir -p $out/bin
@@ -45,7 +45,7 @@ stdenv.mkDerivation rec {
     mv doc/*.html $doc/share/doc/socklog/html/
   '';
 
-  checkPhase = ''package/check'';
+  checkPhase = "package/check";
 
   doCheck = true;
 
diff --git a/pkgs/tools/system/throttled/default.nix b/pkgs/tools/system/throttled/default.nix
index d0458660c20f0..9b92635d1d789 100644
--- a/pkgs/tools/system/throttled/default.nix
+++ b/pkgs/tools/system/throttled/default.nix
@@ -31,7 +31,7 @@ stdenv.mkDerivation rec {
     runHook postInstall
   '';
 
-  postFixup = ''wrapPythonPrograms'';
+  postFixup = "wrapPythonPrograms";
 
   meta = with lib; {
     description = "Fix for Intel CPU throttling issues";
diff --git a/pkgs/tools/video/rtmpdump/default.nix b/pkgs/tools/video/rtmpdump/default.nix
index d0fa04aa83f86..3f71f8abc5ab9 100644
--- a/pkgs/tools/video/rtmpdump/default.nix
+++ b/pkgs/tools/video/rtmpdump/default.nix
@@ -28,7 +28,7 @@ stdenv.mkDerivation {
     })
   ];
 
-  makeFlags = [ ''prefix=$(out)'' ]
+  makeFlags = [ "prefix=$(out)" ]
     ++ optional gnutlsSupport "CRYPTO=GNUTLS"
     ++ optional opensslSupport "CRYPTO=OPENSSL"
     ++ optional stdenv.isDarwin "SYS=darwin"