treewide: fix double quoted strings in meta.description

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

47 files changed, 59 insertions, 65 deletions

diff --git a/pkgs/applications/audio/lsp-plugins/default.nix b/pkgs/applications/audio/lsp-plugins/default.nix
index 6dc57cae0d614..a25c522e12f57 100644
--- a/pkgs/applications/audio/lsp-plugins/default.nix
+++ b/pkgs/applications/audio/lsp-plugins/default.nix
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
   buildInputs = [ jack2Full libsndfile libGLU libGL lv2 cairo ladspaH ];
 
   makeFlags = [
-    "PREFIX=${placeholder ''out''}"
+    "PREFIX=${placeholder "out"}"
     "ETC_PATH=$(out)/etc"
   ];
 
diff --git a/pkgs/applications/audio/zam-plugins/default.nix b/pkgs/applications/audio/zam-plugins/default.nix
index 233961ad11111..777ac79a22da0 100644
--- a/pkgs/applications/audio/zam-plugins/default.nix
+++ b/pkgs/applications/audio/zam-plugins/default.nix
@@ -20,7 +20,7 @@ stdenv.mkDerivation rec {
   '';
 
   makeFlags = [
-    "PREFIX=${placeholder ''out''}"
+    "PREFIX=${placeholder "out"}"
   ];
 
   enableParallelBuilding = true;
diff --git a/pkgs/applications/editors/manuskript/default.nix b/pkgs/applications/editors/manuskript/default.nix
index 2dd9174d6dd14..cc39da90c2373 100644
--- a/pkgs/applications/editors/manuskript/default.nix
+++ b/pkgs/applications/editors/manuskript/default.nix
@@ -26,7 +26,7 @@ python3Packages.buildPythonApplication rec {
       --replace sample-projects $out/share/${pname}/sample-projects
    '';
 
-  buildPhase = '''';
+  buildPhase = "";
 
   installPhase = ''
     mkdir -p $out/share/${pname}
diff --git a/pkgs/applications/editors/rstudio/default.nix b/pkgs/applications/editors/rstudio/default.nix
index 97e8378d94e8f..00d0259a7a9b8 100644
--- a/pkgs/applications/editors/rstudio/default.nix
+++ b/pkgs/applications/editors/rstudio/default.nix
@@ -122,7 +122,7 @@ mkDerivation rec {
     mimeType = "text/x-r-source;text/x-r;text/x-R;text/x-r-doc;text/x-r-sweave;text/x-r-markdown;text/x-r-html;text/x-r-presentation;application/x-r-data;application/x-r-project;text/x-r-history;text/x-r-profile;text/x-tex;text/x-markdown;text/html;text/css;text/javascript;text/x-chdr;text/x-csrc;text/x-c++hdr;text/x-c++src;";
   };
 
-  qtWrapperArgs = [ ''--suffix PATH : ${gnumake}/bin'' ];
+  qtWrapperArgs = [ "--suffix PATH : ${gnumake}/bin" ];
 
   postInstall = ''
       mkdir $out/share
diff --git a/pkgs/applications/editors/vim/configurable.nix b/pkgs/applications/editors/vim/configurable.nix
index e611e486288ff..734b189d1e48e 100644
--- a/pkgs/applications/editors/vim/configurable.nix
+++ b/pkgs/applications/editors/vim/configurable.nix
@@ -137,8 +137,7 @@ in stdenv.mkDerivation rec {
     ++ lib.optional tclSupport tcl
     ++ lib.optional rubySupport ruby;
 
-  preConfigure = ''
-    '' + lib.optionalString ftNixSupport ''
+  preConfigure = "" + lib.optionalString ftNixSupport ''
       cp ${vimPlugins.vim-nix.src}/ftplugin/nix.vim runtime/ftplugin/nix.vim
       cp ${vimPlugins.vim-nix.src}/indent/nix.vim runtime/indent/nix.vim
       cp ${vimPlugins.vim-nix.src}/syntax/nix.vim runtime/syntax/nix.vim
diff --git a/pkgs/applications/graphics/ahoviewer/default.nix b/pkgs/applications/graphics/ahoviewer/default.nix
index 0a611515b0d58..0459d1d04ac24 100644
--- a/pkgs/applications/graphics/ahoviewer/default.nix
+++ b/pkgs/applications/graphics/ahoviewer/default.nix
@@ -31,7 +31,7 @@ stdenv.mkDerivation rec {
 
   NIX_LDFLAGS = "-lpthread";
 
-  postPatch = ''patchShebangs version.sh'';
+  postPatch = "patchShebangs version.sh";
 
   postInstall = ''
     wrapProgram $out/bin/ahoviewer \
diff --git a/pkgs/applications/graphics/ipe/default.nix b/pkgs/applications/graphics/ipe/default.nix
index 2c9430ded7307..1ea21506e314c 100644
--- a/pkgs/applications/graphics/ipe/default.nix
+++ b/pkgs/applications/graphics/ipe/default.nix
@@ -22,7 +22,7 @@ mkDerivation rec {
 
   nativeBuildInputs = [ pkg-config ];
 
-  qtWrapperArgs = [ ''--prefix PATH : ${texlive}/bin''  ];
+  qtWrapperArgs = [ "--prefix PATH : ${texlive}/bin"  ];
 
   enableParallelBuilding = true;
 
diff --git a/pkgs/applications/graphics/mandelbulber/default.nix b/pkgs/applications/graphics/mandelbulber/default.nix
index 384ddac5b4c56..0800ee0c437db 100644
--- a/pkgs/applications/graphics/mandelbulber/default.nix
+++ b/pkgs/applications/graphics/mandelbulber/default.nix
@@ -47,7 +47,7 @@ mkDerivation rec {
   sourceRoot = "${src.name}/mandelbulber2";
 
   qmakeFlags = [
-    "SHARED_PATH=${placeholder ''out''}"
+    "SHARED_PATH=${placeholder "out"}"
     (if withOpenCL
       then "qmake/mandelbulber-opencl.pro"
       else "qmake/mandelbulber.pro")
diff --git a/pkgs/applications/graphics/pinta/default.nix b/pkgs/applications/graphics/pinta/default.nix
index c3dd9f548d2de..8b6e581ae0b1a 100644
--- a/pkgs/applications/graphics/pinta/default.nix
+++ b/pkgs/applications/graphics/pinta/default.nix
@@ -56,9 +56,9 @@ buildDotnetPackage rec {
     '';
 
   makeWrapperArgs = [
-    ''--prefix MONO_GAC_PREFIX : ${gtksharp}''
-    ''--prefix LD_LIBRARY_PATH : ${gtksharp}/lib''
-    ''--prefix LD_LIBRARY_PATH : ${gtksharp.gtk.out}/lib''
+    "--prefix MONO_GAC_PREFIX : ${gtksharp}"
+    "--prefix LD_LIBRARY_PATH : ${gtksharp}/lib"
+    "--prefix LD_LIBRARY_PATH : ${gtksharp.gtk.out}/lib"
   ];
 
   postInstall = ''
diff --git a/pkgs/applications/misc/bleachbit/default.nix b/pkgs/applications/misc/bleachbit/default.nix
index 31da1e8d4955f..89686e50d175b 100644
--- a/pkgs/applications/misc/bleachbit/default.nix
+++ b/pkgs/applications/misc/bleachbit/default.nix
@@ -54,7 +54,7 @@ python3Packages.buildPythonApplication rec {
   # prevent double wrapping from wrapGApps and wrapPythonProgram
   dontWrapGApps = true;
   makeWrapperArgs = [
-    ''''${gappsWrapperArgs[@]}''
+    "\${gappsWrapperArgs[@]}"
   ];
 
   strictDeps = false;
diff --git a/pkgs/applications/misc/digitalbitbox/default.nix b/pkgs/applications/misc/digitalbitbox/default.nix
index ea78924574f57..4771cebc3411d 100644
--- a/pkgs/applications/misc/digitalbitbox/default.nix
+++ b/pkgs/applications/misc/digitalbitbox/default.nix
@@ -94,7 +94,7 @@ in mkDerivation rec {
     "format"
   ];
 
-  qtWrapperArgs = [ ''--prefix LD_LIBRARY_PATH : $out/lib'' ];
+  qtWrapperArgs = [ "--prefix LD_LIBRARY_PATH : $out/lib" ];
 
   postInstall = ''
     mkdir -p "$out/lib"
diff --git a/pkgs/applications/misc/dupeguru/default.nix b/pkgs/applications/misc/dupeguru/default.nix
index 7a9e293964050..418658fec2282 100644
--- a/pkgs/applications/misc/dupeguru/default.nix
+++ b/pkgs/applications/misc/dupeguru/default.nix
@@ -38,7 +38,7 @@ python3Packages.buildPythonApplication rec {
   ];
 
   makeFlags = [
-    "PREFIX=${placeholder ''out''}"
+    "PREFIX=${placeholder "out"}"
     "NO_VENV=1"
   ];
 
diff --git a/pkgs/applications/misc/ikiwiki/default.nix b/pkgs/applications/misc/ikiwiki/default.nix
index 161005d1280a5..8865435339c36 100644
--- a/pkgs/applications/misc/ikiwiki/default.nix
+++ b/pkgs/applications/misc/ikiwiki/default.nix
@@ -60,13 +60,13 @@ stdenv.mkDerivation {
   postInstall = ''
     for a in "$out/bin/"*; do
       wrapProgram $a --suffix PERL5LIB : $PERL5LIB --prefix PATH : ${perlPackages.perl}/bin:$out/bin \
-      ${lib.optionalString gitSupport ''--prefix PATH : ${git}/bin ''} \
-      ${lib.optionalString monotoneSupport ''--prefix PATH : ${monotone}/bin ''} \
-      ${lib.optionalString bazaarSupport ''--prefix PATH : ${breezy}/bin ''} \
-      ${lib.optionalString cvsSupport ''--prefix PATH : ${cvs}/bin ''} \
-      ${lib.optionalString cvsSupport ''--prefix PATH : ${cvsps}/bin ''} \
-      ${lib.optionalString subversionSupport ''--prefix PATH : ${subversion.out}/bin ''} \
-      ${lib.optionalString mercurialSupport ''--prefix PATH : ${mercurial}/bin ''} \
+      ${lib.optionalString gitSupport "--prefix PATH : ${git}/bin "} \
+      ${lib.optionalString monotoneSupport "--prefix PATH : ${monotone}/bin "} \
+      ${lib.optionalString bazaarSupport "--prefix PATH : ${breezy}/bin "} \
+      ${lib.optionalString cvsSupport "--prefix PATH : ${cvs}/bin "} \
+      ${lib.optionalString cvsSupport "--prefix PATH : ${cvsps}/bin "} \
+      ${lib.optionalString subversionSupport "--prefix PATH : ${subversion.out}/bin "} \
+      ${lib.optionalString mercurialSupport "--prefix PATH : ${mercurial}/bin "} \
       ${lib.optionalString docutilsSupport ''--prefix PYTHONPATH : "$(toPythonPath ${docutils})" ''} \
       ${lib.concatMapStrings (x: "--prefix PATH : ${x}/bin ") extraUtils}
     done
diff --git a/pkgs/applications/misc/lutris/default.nix b/pkgs/applications/misc/lutris/default.nix
index b3a68cffeff18..cb8494e1c48db 100644
--- a/pkgs/applications/misc/lutris/default.nix
+++ b/pkgs/applications/misc/lutris/default.nix
@@ -101,7 +101,7 @@ in buildPythonApplication rec {
   dontWrapGApps = true;
   makeWrapperArgs = [
     "--prefix PATH : ${binPath}"
-    ''''${gappsWrapperArgs[@]}''
+    "\${gappsWrapperArgs[@]}"
   ];
   # needed for glib-schemas to work correctly (will crash on dialogues otherwise)
   # see https://github.com/NixOS/nixpkgs/issues/56943
diff --git a/pkgs/applications/misc/osm2xmap/default.nix b/pkgs/applications/misc/osm2xmap/default.nix
index 858a8fa1475e2..4f2af99ab14dd 100644
--- a/pkgs/applications/misc/osm2xmap/default.nix
+++ b/pkgs/applications/misc/osm2xmap/default.nix
@@ -14,9 +14,9 @@ stdenv.mkDerivation rec {
   makeFlags = [
     "GIT_VERSION=${version}"
     "GIT_TIMESTAMP="
-    "SHAREDIR=${placeholder ''out''}/share/osm2xmap"
-    "INSTALL_BINDIR=${placeholder ''out''}/bin"
-    "INSTALL_MANDIR=${placeholder ''out''}/share/man/man1"
+    "SHAREDIR=${placeholder "out"}/share/osm2xmap"
+    "INSTALL_BINDIR=${placeholder "out"}/bin"
+    "INSTALL_MANDIR=${placeholder "out"}/share/man/man1"
   ];
 
   NIX_CFLAGS_COMPILE = "-DACCEPT_USE_OF_DEPRECATED_PROJ_API_H";
diff --git a/pkgs/applications/misc/plasma-applet-volumewin7mixer/default.nix b/pkgs/applications/misc/plasma-applet-volumewin7mixer/default.nix
index d9feb28c037b0..57ec820a0902c 100644
--- a/pkgs/applications/misc/plasma-applet-volumewin7mixer/default.nix
+++ b/pkgs/applications/misc/plasma-applet-volumewin7mixer/default.nix
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
   };
 
   patches = [ ./cmake.patch ];
-  postPatch = '' rm build '';
+  postPatch = "rm build ";
   nativeBuildInputs = [ cmake extra-cmake-modules ];
   buildInputs = [ plasma-framework kwindowsystem plasma-pa ];
 
diff --git a/pkgs/applications/networking/instant-messengers/baresip/default.nix b/pkgs/applications/networking/instant-messengers/baresip/default.nix
index 77a7dcca74758..e3a8e682577a2 100644
--- a/pkgs/applications/networking/instant-messengers/baresip/default.nix
+++ b/pkgs/applications/networking/instant-messengers/baresip/default.nix
@@ -19,7 +19,7 @@ stdenv.mkDerivation rec {
     "LIBRE_INC=${libre}/include/re"
     "LIBRE_SO=${libre}/lib"
     "LIBREM_PATH=${librem}"
-    ''PREFIX=$(out)''
+    "PREFIX=$(out)"
     "USE_VIDEO=1"
     "CCACHE_DISABLE=1"
 
diff --git a/pkgs/applications/networking/instant-messengers/jitsi/default.nix b/pkgs/applications/networking/instant-messengers/jitsi/default.nix
index 137ad4d49b04b..5fa5c2a286412 100644
--- a/pkgs/applications/networking/instant-messengers/jitsi/default.nix
+++ b/pkgs/applications/networking/instant-messengers/jitsi/default.nix
@@ -40,7 +40,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [ unzip ];
   buildInputs = [ ant jdk ];
 
-  buildPhase = ''ant make'';
+  buildPhase = "ant make";
 
   installPhase = ''
     mkdir -p $out
diff --git a/pkgs/applications/networking/owamp/default.nix b/pkgs/applications/networking/owamp/default.nix
index 24369bfc8d552..c357e78ccf293 100644
--- a/pkgs/applications/networking/owamp/default.nix
+++ b/pkgs/applications/networking/owamp/default.nix
@@ -20,7 +20,7 @@ stdenv.mkDerivation rec {
 
   meta = with lib; {
     homepage = "http://software.internet2.edu/owamp/";
-    description = ''A tool for performing one-way active measurements'';
+    description = "A tool for performing one-way active measurements";
     platforms = platforms.linux;
     maintainers = [maintainers.teto];
     license = licenses.asl20;
diff --git a/pkgs/applications/networking/remote/x2goclient/default.nix b/pkgs/applications/networking/remote/x2goclient/default.nix
index dc828b5882585..7441cdf4eef7f 100644
--- a/pkgs/applications/networking/remote/x2goclient/default.nix
+++ b/pkgs/applications/networking/remote/x2goclient/default.nix
@@ -28,7 +28,7 @@ mkDerivation {
 
   installTargets = [ "install_client" "install_man" ];
 
-  qtWrapperArgs = [ ''--suffix PATH : ${nx-libs}/bin:${openssh}/libexec'' ];
+  qtWrapperArgs = [ "--suffix PATH : ${nx-libs}/bin:${openssh}/libexec" ];
 
   meta = with lib; {
     description = "Graphical NoMachine NX3 remote desktop client";
diff --git a/pkgs/applications/office/docear/default.nix b/pkgs/applications/office/docear/default.nix
index cedc85d53f60f..683e668157316 100644
--- a/pkgs/applications/office/docear/default.nix
+++ b/pkgs/applications/office/docear/default.nix
@@ -23,7 +23,7 @@ stdenv.mkDerivation {
 
     # The wrapper ensures oraclejre is used
     makeWrapper ${runtimeShell} $out/bin/docear \
-      --set _JAVA_OPTIONS "${lib.optionalString antialiasFont ''-Dswing.aatext=TRUE -Dawt.useSystemAAFontSettings=on''}" \
+      --set _JAVA_OPTIONS "${lib.optionalString antialiasFont "-Dswing.aatext=TRUE -Dawt.useSystemAAFontSettings=on"}" \
       --set JAVA_HOME ${oraclejre.home} \
       --add-flags "$out/share/docear.sh"
 
diff --git a/pkgs/applications/office/planner/default.nix b/pkgs/applications/office/planner/default.nix
index 0df6070319d3c..f0237c4cecff0 100644
--- a/pkgs/applications/office/planner/default.nix
+++ b/pkgs/applications/office/planner/default.nix
@@ -48,7 +48,7 @@ in stdenv.mkDerivation {
   # glib-2.62 deprecations
   NIX_CFLAGS_COMPILE = "-DGLIB_DISABLE_DEPRECATION_WARNINGS";
 
-  preConfigure = ''./autogen.sh'';
+  preConfigure = "./autogen.sh";
   configureFlags = [
     "--enable-python"
     "--enable-python-plugin"
diff --git a/pkgs/applications/radio/gnuradio/3.7.nix b/pkgs/applications/radio/gnuradio/3.7.nix
index a8f96fac44ac2..a48efb9aa6d9c 100644
--- a/pkgs/applications/radio/gnuradio/3.7.nix
+++ b/pkgs/applications/radio/gnuradio/3.7.nix
@@ -241,8 +241,7 @@ let
     # gr-fcd feature was dropped in 3.8
     ++ lib.optionals (hasFeature "gr-fcd" features) [ "share/gnuradio/examples/fcd" ]
   ;
-  preConfigure = ''
-  ''
+  preConfigure = ""
     # wxgui and pygtk are not looked up properly, so we force them to be
     # detected as found, if they are requested by the `features` attrset.
     + lib.optionalString (hasFeature "gr-wxgui" features) ''
diff --git a/pkgs/applications/radio/gnuradio/default.nix b/pkgs/applications/radio/gnuradio/default.nix
index e99a1bfd7a1bb..9223f160db301 100644
--- a/pkgs/applications/radio/gnuradio/default.nix
+++ b/pkgs/applications/radio/gnuradio/default.nix
@@ -240,8 +240,7 @@ let
       ${removeReferencesTo}/bin/remove-references-to -t ${python} $out/lib/cmake/gnuradio/GnuradioConfig.cmake
     ''
   ;
-  preConfigure = ''
-  ''
+  preConfigure = ""
     # If python-support is disabled, don't install volk's (git submodule)
     # volk_modtool - it references python.
     #
diff --git a/pkgs/applications/radio/gnuradio/shared.nix b/pkgs/applications/radio/gnuradio/shared.nix
index e30831f87ee76..1d5d84f46495d 100644
--- a/pkgs/applications/radio/gnuradio/shared.nix
+++ b/pkgs/applications/radio/gnuradio/shared.nix
@@ -83,8 +83,7 @@ rec {
     ++ lib.optionals (hasFeature "gr-uhd" features) [ "share/gnuradio/examples/uhd" ]
     ++ lib.optionals (hasFeature "gr-qtgui" features) [ "share/gnuradio/examples/qt-gui" ]
   ;
-  postInstall = ''
-  ''
+  postInstall = ""
     # Gcc references
     + lib.optionalString (hasFeature "volk" features) ''
       ${removeReferencesTo}/bin/remove-references-to -t ${stdenv.cc} $(readlink -f $out/lib/libvolk.so)
diff --git a/pkgs/applications/science/biology/migrate/default.nix b/pkgs/applications/science/biology/migrate/default.nix
index 41a2e89f02c57..36790b22b2285 100644
--- a/pkgs/applications/science/biology/migrate/default.nix
+++ b/pkgs/applications/science/biology/migrate/default.nix
@@ -10,7 +10,7 @@ gccStdenv.mkDerivation rec {
   };
 
   buildInputs = [ zlib mpi ];
-  setSourceRoot = ''sourceRoot=$(echo */src)'';
+  setSourceRoot = "sourceRoot=$(echo */src)";
   buildFlags = [ "thread" "mpis" ];
   preInstall = "mkdir -p $out/man/man1";
 
diff --git a/pkgs/applications/science/biology/ncbi-tools/default.nix b/pkgs/applications/science/biology/ncbi-tools/default.nix
index c5220ebc83b51..0e273dbefaaca 100644
--- a/pkgs/applications/science/biology/ncbi-tools/default.nix
+++ b/pkgs/applications/science/biology/ncbi-tools/default.nix
@@ -24,8 +24,8 @@ stdenv.mkDerivation rec {
   buildInputs = [ cpio ];
 
   meta = {
-    description = ''NCBI Bioinformatics toolbox (incl. BLAST)'';
-    longDescription = ''The NCBI Bioinformatics toolsbox, including command-line utilties, libraries and include files. No X11 support'';
+    description = "NCBI Bioinformatics toolbox (incl. BLAST)";
+    longDescription = "The NCBI Bioinformatics toolsbox, including command-line utilties, libraries and include files. No X11 support";
     homepage = "http://www.ncbi.nlm.nih.gov/IEB/ToolBox/";
     license = "GPL";
     priority = 5;   # zlib.so gives a conflict with zlib
diff --git a/pkgs/applications/science/biology/paml/default.nix b/pkgs/applications/science/biology/paml/default.nix
index 7a2dc2782ab0a..d288edca9330a 100644
--- a/pkgs/applications/science/biology/paml/default.nix
+++ b/pkgs/applications/science/biology/paml/default.nix
@@ -26,7 +26,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description     = "Phylogenetic Analysis by Maximum Likelihood (PAML)";
-    longDescription = ''PAML is a package of programs for phylogenetic analyses of DNA or protein sequences using maximum likelihood. It is maintained and distributed for academic use free of charge by Ziheng Yang. ANSI C source codes are distributed for UNIX/Linux/Mac OSX, and executables are provided for MS Windows. PAML is not good for tree making. It may be used to estimate parameters and test hypotheses to study the evolutionary process, when you have reconstructed trees using other programs such as PAUP*, PHYLIP, MOLPHY, PhyML, RaxML, etc.'';
+    longDescription = "PAML is a package of programs for phylogenetic analyses of DNA or protein sequences using maximum likelihood. It is maintained and distributed for academic use free of charge by Ziheng Yang. ANSI C source codes are distributed for UNIX/Linux/Mac OSX, and executables are provided for MS Windows. PAML is not good for tree making. It may be used to estimate parameters and test hypotheses to study the evolutionary process, when you have reconstructed trees using other programs such as PAUP*, PHYLIP, MOLPHY, PhyML, RaxML, etc.";
     license     = "non-commercial";
     homepage    = "http://abacus.gene.ucl.ac.uk/software/paml.html";
   };
diff --git a/pkgs/applications/science/logic/iprover/default.nix b/pkgs/applications/science/logic/iprover/default.nix
index 1f02d30cf2531..ff88586e0353b 100644
--- a/pkgs/applications/science/logic/iprover/default.nix
+++ b/pkgs/applications/science/logic/iprover/default.nix
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
 
   buildInputs = [ ocaml eprover zlib ];
 
-  preConfigure = ''patchShebangs .'';
+  preConfigure = "patchShebangs .";
 
   installPhase = ''
     mkdir -p "$out/bin"
diff --git a/pkgs/applications/science/logic/lci/default.nix b/pkgs/applications/science/logic/lci/default.nix
index a0897135fbba0..593b2c54c5cf0 100644
--- a/pkgs/applications/science/logic/lci/default.nix
+++ b/pkgs/applications/science/logic/lci/default.nix
@@ -8,7 +8,7 @@ stdenv.mkDerivation rec {
   };
   buildInputs = [readline];
   meta = {
-    description = ''Lambda calculus interpreter'';
+    description = "Lambda calculus interpreter";
     maintainers = with lib.maintainers; [raskin];
     platforms = with lib.platforms; linux;
     license = lib.licenses.gpl3;
diff --git a/pkgs/applications/science/logic/satallax/default.nix b/pkgs/applications/science/logic/satallax/default.nix
index 02d9408383a68..dffb66b2fcf5b 100644
--- a/pkgs/applications/science/logic/satallax/default.nix
+++ b/pkgs/applications/science/logic/satallax/default.nix
@@ -60,7 +60,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     inherit version;
-    description = ''Automated theorem prover for higher-order logic'';
+    description = "Automated theorem prover for higher-order logic";
     license = lib.licenses.mit ;
     maintainers = [lib.maintainers.raskin];
     platforms = lib.platforms.linux;
diff --git a/pkgs/applications/science/logic/yices/default.nix b/pkgs/applications/science/logic/yices/default.nix
index 6700965736389..c26504bf7bdc2 100644
--- a/pkgs/applications/science/logic/yices/default.nix
+++ b/pkgs/applications/science/logic/yices/default.nix
@@ -23,7 +23,7 @@ stdenv.mkDerivation rec {
   doCheck = true;
 
   # Usual shenanigans
-  patchPhase = ''patchShebangs tests/regress/check.sh'';
+  patchPhase = "patchShebangs tests/regress/check.sh";
 
   # Includes a fix for the embedded soname being libyices.so.2.5, but
   # only installing the libyices.so.2.5.x file.
diff --git a/pkgs/applications/science/logic/z3/tptp.nix b/pkgs/applications/science/logic/z3/tptp.nix
index c63fad93f07c6..bb912742b7c52 100644
--- a/pkgs/applications/science/logic/z3/tptp.nix
+++ b/pkgs/applications/science/logic/z3/tptp.nix
@@ -25,7 +25,7 @@ stdenv.mkDerivation rec {
   meta = {
     inherit version;
     inherit (z3.meta) license homepage platforms;
-    description = ''TPTP wrapper for Z3 prover'';
+    description = "TPTP wrapper for Z3 prover";
     maintainers = [lib.maintainers.raskin];
   };
 }
diff --git a/pkgs/applications/science/math/gfan/default.nix b/pkgs/applications/science/math/gfan/default.nix
index fd657963c390f..587568f8c297f 100644
--- a/pkgs/applications/science/math/gfan/default.nix
+++ b/pkgs/applications/science/math/gfan/default.nix
@@ -17,12 +17,12 @@ stdenv.mkDerivation rec {
   '';
 
   buildFlags = [ "CC=cc" "CXX=c++" ];
-  installFlags = [ ''PREFIX=$(out)'' ];
+  installFlags = [ "PREFIX=$(out)" ];
   buildInputs = [ gmp mpir cddlib ];
 
   meta = {
     inherit version;
-    description = ''A software package for computing Gröbner fans and tropical varieties'';
+    description = "A software package for computing Gröbner fans and tropical varieties";
     license = lib.licenses.gpl2 ;
     maintainers = [lib.maintainers.raskin];
     platforms = lib.platforms.unix;
diff --git a/pkgs/applications/science/math/nauty/default.nix b/pkgs/applications/science/math/nauty/default.nix
index 94b7ad266c454..05a7d874d919d 100644
--- a/pkgs/applications/science/math/nauty/default.nix
+++ b/pkgs/applications/science/math/nauty/default.nix
@@ -31,7 +31,7 @@ stdenv.mkDerivation rec {
   checkTarget = "checks";
   meta = with lib; {
     inherit version;
-    description = ''Programs for computing automorphism groups of graphs and digraphs'';
+    description = "Programs for computing automorphism groups of graphs and digraphs";
     license = licenses.asl20;
     maintainers = teams.sage.members;
     platforms = platforms.unix;
diff --git a/pkgs/applications/science/math/ratpoints/default.nix b/pkgs/applications/science/math/ratpoints/default.nix
index 823c8abf52993..eed1c8e3fd48f 100644
--- a/pkgs/applications/science/math/ratpoints/default.nix
+++ b/pkgs/applications/science/math/ratpoints/default.nix
@@ -27,7 +27,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     inherit version;
-    description = ''A program to find rational points on hyperelliptic curves'';
+    description = "A program to find rational points on hyperelliptic curves";
     license = lib.licenses.gpl2Plus;
     maintainers = [lib.maintainers.raskin];
     platforms = lib.platforms.unix;
diff --git a/pkgs/applications/science/math/symmetrica/default.nix b/pkgs/applications/science/math/symmetrica/default.nix
index ca752259797f6..ed9e64347a87c 100644
--- a/pkgs/applications/science/math/symmetrica/default.nix
+++ b/pkgs/applications/science/math/symmetrica/default.nix
@@ -27,7 +27,7 @@ stdenv.mkDerivation rec {
   enableParallelBuilding = true;
 
   meta = with lib; {
-    description = ''A collection of routines for representation theory and combinatorics'';
+    description = "A collection of routines for representation theory and combinatorics";
     license = licenses.isc;
     maintainers = teams.sage.members;
     platforms = platforms.unix;
diff --git a/pkgs/applications/terminal-emulators/guake/default.nix b/pkgs/applications/terminal-emulators/guake/default.nix
index f90be38ebd17e..77a052a4f1d6a 100644
--- a/pkgs/applications/terminal-emulators/guake/default.nix
+++ b/pkgs/applications/terminal-emulators/guake/default.nix
@@ -59,7 +59,7 @@ python3.pkgs.buildPythonApplication rec {
   PBR_VERSION = version; # pbr needs either .git directory, sdist, or env var
 
   makeFlags = [
-    "prefix=${placeholder ''out''}"
+    "prefix=${placeholder "out"}"
   ];
 
   preFixup = ''
diff --git a/pkgs/applications/terminal-emulators/wezterm/default.nix b/pkgs/applications/terminal-emulators/wezterm/default.nix
index 8fce22089e971..12abd98beb48c 100644
--- a/pkgs/applications/terminal-emulators/wezterm/default.nix
+++ b/pkgs/applications/terminal-emulators/wezterm/default.nix
@@ -77,8 +77,7 @@ rustPlatform.buildRustPackage {
 
   buildInputs = runtimeDeps;
 
-  installPhase = ''
-  '' + lib.optionalString stdenv.isLinux ''
+  installPhase = "" + lib.optionalString stdenv.isLinux ''
     for artifact in wezterm wezterm-gui wezterm-mux-server strip-ansi-escapes; do
       patchelf --set-rpath "${lib.makeLibraryPath runtimeDeps}" $releaseDir/$artifact
       install -D $releaseDir/$artifact -t $out/bin
diff --git a/pkgs/applications/version-management/cvsps/default.nix b/pkgs/applications/version-management/cvsps/default.nix
index f87e3f7cdafd6..7423726ac3bad 100644
--- a/pkgs/applications/version-management/cvsps/default.nix
+++ b/pkgs/applications/version-management/cvsps/default.nix
@@ -47,7 +47,7 @@ stdenv.mkDerivation rec {
   installFlags = [ "prefix=$(out)" ];
 
   meta = {
-    description = ''A tool to generate CVS patch set information'';
+    description = "A tool to generate CVS patch set information";
     longDescription = ''
       CVSps is a program for generating `patchset' information from a
       CVS repository.  A patchset in this case is defined as a set of
diff --git a/pkgs/applications/version-management/cvsq/default.nix b/pkgs/applications/version-management/cvsq/default.nix
index dfffdb0823844..89fe6e89f482c 100644
--- a/pkgs/applications/version-management/cvsq/default.nix
+++ b/pkgs/applications/version-management/cvsq/default.nix
@@ -41,7 +41,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = {
-    description = ''A collection of tools to work locally with CVS'';
+    description = "A collection of tools to work locally with CVS";
     longDescription = ''
       cvsq is a collection of tools to work locally with CVS.
 
diff --git a/pkgs/applications/version-management/monotone-viz/default.nix b/pkgs/applications/version-management/monotone-viz/default.nix
index 5c260cc8e6cf1..d6d55eaa4eb64 100644
--- a/pkgs/applications/version-management/monotone-viz/default.nix
+++ b/pkgs/applications/version-management/monotone-viz/default.nix
@@ -47,7 +47,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     inherit version;
-    description = ''Monotone ancestry visualiser'';
+    description = "Monotone ancestry visualiser";
     license = lib.licenses.gpl2Plus ;
     maintainers = [lib.maintainers.raskin];
     platforms = lib.platforms.linux;
diff --git a/pkgs/applications/video/makemkv/default.nix b/pkgs/applications/video/makemkv/default.nix
index a2aa45a6e0604..29676abb755e3 100644
--- a/pkgs/applications/video/makemkv/default.nix
+++ b/pkgs/applications/video/makemkv/default.nix
@@ -45,7 +45,7 @@ in mkDerivation {
     let
       binPath = lib.makeBinPath [ jre_headless ];
     in lib.optionals withJava [
-      ''--prefix PATH : ${binPath}''
+      "--prefix PATH : ${binPath}"
     ];
 
   installPhase = ''
diff --git a/pkgs/applications/video/mythtv/default.nix b/pkgs/applications/video/mythtv/default.nix
index bd8eb26895ca0..a58c32dc563e6 100644
--- a/pkgs/applications/video/mythtv/default.nix
+++ b/pkgs/applications/video/mythtv/default.nix
@@ -20,7 +20,7 @@ mkDerivation rec {
     ./disable-os-detection.patch
   ];
 
-  setSourceRoot = ''sourceRoot=$(echo */mythtv)'';
+  setSourceRoot = "sourceRoot=$(echo */mythtv)";
 
   buildInputs = [
     freetype qtbase qtwebkit qtscript lame zlib xlibsWrapper libGLU libGL
diff --git a/pkgs/applications/video/xawtv/default.nix b/pkgs/applications/video/xawtv/default.nix
index e891d4ab5acf6..0945c5b3f3fdf 100644
--- a/pkgs/applications/video/xawtv/default.nix
+++ b/pkgs/applications/video/xawtv/default.nix
@@ -51,7 +51,7 @@ stdenv.mkDerivation rec {
 
   makeFlags = [
     "SUID_ROOT=" # do not try to setuid
-    "resdir=${placeholder ''out''}/share/X11"
+    "resdir=${placeholder "out"}/share/X11"
   ];
 
   meta = {
diff --git a/pkgs/applications/virtualization/docker/default.nix b/pkgs/applications/virtualization/docker/default.nix
index ed30c380a2c48..e9496247f06d4 100644
--- a/pkgs/applications/virtualization/docker/default.nix
+++ b/pkgs/applications/virtualization/docker/default.nix
@@ -55,8 +55,7 @@ rec {
       };
 
       # Do not remove static from make files as we want a static binary
-      patchPhase = ''
-      '';
+      patchPhase = "";
 
       NIX_CFLAGS_COMPILE = "-DMINIMAL=ON";
     });
diff --git a/pkgs/applications/virtualization/xen/generic.nix b/pkgs/applications/virtualization/xen/generic.nix
index 3fdda81078977..5019ce232824a 100644
--- a/pkgs/applications/virtualization/xen/generic.nix
+++ b/pkgs/applications/virtualization/xen/generic.nix
@@ -250,7 +250,7 @@ stdenv.mkDerivation (rec {
                                  " (${args.meta.description})";
     longDescription = (args.meta.longDescription or "")
                     + "\nIncludes:\n"
-                    + withXenfiles (name: x: ''* ${name}: ${x.meta.description or "(No description)"}.'');
+                    + withXenfiles (name: x: "* ${name}: ${x.meta.description or "(No description)"}.");
     platforms = [ "x86_64-linux" ];
     maintainers = with lib.maintainers; [ eelco tstrobel oxij ];
     license = lib.licenses.gpl2;