diff --git a/pkgs/applications/terminal-emulators/mrxvt/default.nix b/pkgs/applications/terminal-emulators/mrxvt/default.nix
index d46ff802239..b0b9ee61118 100644
--- a/pkgs/applications/terminal-emulators/mrxvt/default.nix
+++ b/pkgs/applications/terminal-emulators/mrxvt/default.nix
@@ -30,8 +30,8 @@ stdenv.mkDerivation {
   meta = with lib; {
     description = "Lightweight multitabbed feature-rich X11 terminal emulator";
     longDescription = "
-    	Multitabbed lightweight terminal emulator based on rxvt.
-	Supports transparency, backgroundimages, freetype fonts, ...
+      Multitabbed lightweight terminal emulator based on rxvt.
+      Supports transparency, backgroundimages, freetype fonts, ...
     ";
     homepage = "https://sourceforge.net/projects/materm";
     license = licenses.gpl2;
diff --git a/pkgs/applications/version-management/commitizen/node-packages.nix b/pkgs/applications/version-management/commitizen/node-packages.nix
index df50c8e473e..396dedf56fd 100644
--- a/pkgs/applications/version-management/commitizen/node-packages.nix
+++ b/pkgs/applications/version-management/commitizen/node-packages.nix
@@ -9068,4 +9068,4 @@ in
     bypassCache = true;
     reconstructLock = true;
   };
-}
\ No newline at end of file
+}
diff --git a/pkgs/development/compilers/elm/packages/node-composition.nix b/pkgs/development/compilers/elm/packages/node-composition.nix
index c970861a86f..c43e7cc7f25 100644
--- a/pkgs/development/compilers/elm/packages/node-composition.nix
+++ b/pkgs/development/compilers/elm/packages/node-composition.nix
@@ -14,4 +14,4 @@ in
 import ./node-packages.nix {
   inherit (pkgs) fetchurl fetchgit;
   inherit nodeEnv;
-}
\ No newline at end of file
+}
diff --git a/pkgs/development/compilers/elm/packages/node-packages.nix b/pkgs/development/compilers/elm/packages/node-packages.nix
index c81d2acdf7f..015958d1239 100644
--- a/pkgs/development/compilers/elm/packages/node-packages.nix
+++ b/pkgs/development/compilers/elm/packages/node-packages.nix
@@ -15513,4 +15513,4 @@ in
     bypassCache = true;
     reconstructLock = true;
   };
-}
\ No newline at end of file
+}
diff --git a/pkgs/development/misc/google-clasp/google-clasp.nix b/pkgs/development/misc/google-clasp/google-clasp.nix
index be260edb643..b565c6d2f5d 100644
--- a/pkgs/development/misc/google-clasp/google-clasp.nix
+++ b/pkgs/development/misc/google-clasp/google-clasp.nix
@@ -14,4 +14,4 @@ in
 import ./node-packages.nix {
   inherit (pkgs) fetchurl fetchgit;
   inherit nodeEnv;
-}
\ No newline at end of file
+}
diff --git a/pkgs/development/misc/google-clasp/node-packages.nix b/pkgs/development/misc/google-clasp/node-packages.nix
index c73c122e572..a58f58e05c6 100644
--- a/pkgs/development/misc/google-clasp/node-packages.nix
+++ b/pkgs/development/misc/google-clasp/node-packages.nix
@@ -2102,4 +2102,4 @@ in
     bypassCache = true;
     reconstructLock = true;
   };
-}
\ No newline at end of file
+}
diff --git a/pkgs/development/node-packages/node-packages.nix b/pkgs/development/node-packages/node-packages.nix
index 38fc84d5523..94c0b38fc76 100644
--- a/pkgs/development/node-packages/node-packages.nix
+++ b/pkgs/development/node-packages/node-packages.nix
@@ -110969,4 +110969,4 @@ in
     bypassCache = true;
     reconstructLock = true;
   };
-}
\ No newline at end of file
+}
diff --git a/pkgs/development/web/newman/node-composition.nix b/pkgs/development/web/newman/node-composition.nix
index 17879f381d5..027a981ea57 100644
--- a/pkgs/development/web/newman/node-composition.nix
+++ b/pkgs/development/web/newman/node-composition.nix
@@ -14,4 +14,4 @@ in
 import ./node-packages.nix {
   inherit (pkgs) fetchurl fetchgit;
   inherit nodeEnv;
-}
\ No newline at end of file
+}
diff --git a/pkgs/development/web/newman/node-packages.nix b/pkgs/development/web/newman/node-packages.nix
index a7c29ca49c7..680be3d499c 100644
--- a/pkgs/development/web/newman/node-packages.nix
+++ b/pkgs/development/web/newman/node-packages.nix
@@ -5727,4 +5727,4 @@ in
     bypassCache = true;
     reconstructLock = true;
   };
-}
\ No newline at end of file
+}
diff --git a/pkgs/development/web/remarkjs/nodepkgs.nix b/pkgs/development/web/remarkjs/nodepkgs.nix
index be260edb643..b565c6d2f5d 100644
--- a/pkgs/development/web/remarkjs/nodepkgs.nix
+++ b/pkgs/development/web/remarkjs/nodepkgs.nix
@@ -14,4 +14,4 @@ in
 import ./node-packages.nix {
   inherit (pkgs) fetchurl fetchgit;
   inherit nodeEnv;
-}
\ No newline at end of file
+}
diff --git a/pkgs/misc/base16-builder/node-packages-generated.nix b/pkgs/misc/base16-builder/node-packages-generated.nix
index 426b6229e1c..7ccb5cab835 100644
--- a/pkgs/misc/base16-builder/node-packages-generated.nix
+++ b/pkgs/misc/base16-builder/node-packages-generated.nix
@@ -1634,4 +1634,4 @@ in
     bypassCache = true;
     reconstructLock = true;
   };
-}
\ No newline at end of file
+}
diff --git a/pkgs/misc/base16-builder/node-packages.nix b/pkgs/misc/base16-builder/node-packages.nix
index bb6ff246daa..396f2b2657d 100644
--- a/pkgs/misc/base16-builder/node-packages.nix
+++ b/pkgs/misc/base16-builder/node-packages.nix
@@ -18,4 +18,4 @@ in
 import ./node-packages-generated.nix {
   inherit (pkgs) fetchurl fetchgit;
   inherit nodeEnv globalBuildInputs;
-}
\ No newline at end of file
+}
diff --git a/pkgs/misc/base16-builder/supplement.nix b/pkgs/misc/base16-builder/supplement.nix
index 8183eb1a1e8..3d4c43d5e70 100644
--- a/pkgs/misc/base16-builder/supplement.nix
+++ b/pkgs/misc/base16-builder/supplement.nix
@@ -690,4 +690,4 @@ in
     bypassCache = true;
     reconstructLock = true;
   };
-}
\ No newline at end of file
+}
diff --git a/pkgs/servers/matrix-synapse/matrix-appservice-slack/node-composition.nix b/pkgs/servers/matrix-synapse/matrix-appservice-slack/node-composition.nix
index 0f86a16aef5..693eeaeaec6 100644
--- a/pkgs/servers/matrix-synapse/matrix-appservice-slack/node-composition.nix
+++ b/pkgs/servers/matrix-synapse/matrix-appservice-slack/node-composition.nix
@@ -14,4 +14,4 @@ in
 import ./node-packages.nix {
   inherit (pkgs) fetchurl fetchgit;
   inherit nodeEnv;
-}
\ No newline at end of file
+}
diff --git a/pkgs/servers/web-apps/cryptpad/node-packages-generated.nix b/pkgs/servers/web-apps/cryptpad/node-packages-generated.nix
index 349ad59c60a..c8186e1d02c 100644
--- a/pkgs/servers/web-apps/cryptpad/node-packages-generated.nix
+++ b/pkgs/servers/web-apps/cryptpad/node-packages-generated.nix
@@ -741,4 +741,4 @@ in
     bypassCache = true;
     reconstructLock = true;
   };
-}
\ No newline at end of file
+}
diff --git a/pkgs/servers/web-apps/cryptpad/node-packages.nix b/pkgs/servers/web-apps/cryptpad/node-packages.nix
index 208bb3c72c7..d0273cfe1f9 100644
--- a/pkgs/servers/web-apps/cryptpad/node-packages.nix
+++ b/pkgs/servers/web-apps/cryptpad/node-packages.nix
@@ -14,4 +14,4 @@ in
 import ./node-packages-generated.nix {
   inherit (pkgs) fetchurl fetchgit;
   inherit nodeEnv;
-}
\ No newline at end of file
+}
diff --git a/pkgs/servers/web-apps/whitebophir/node-packages-generated.nix b/pkgs/servers/web-apps/whitebophir/node-packages-generated.nix
index 78d4b9ccd77..af58cbf3f9b 100644
--- a/pkgs/servers/web-apps/whitebophir/node-packages-generated.nix
+++ b/pkgs/servers/web-apps/whitebophir/node-packages-generated.nix
@@ -1492,4 +1492,4 @@ in
     bypassCache = true;
     reconstructLock = true;
   };
-}
\ No newline at end of file
+}
diff --git a/pkgs/servers/zigbee2mqtt/node-packages.nix b/pkgs/servers/zigbee2mqtt/node-packages.nix
index 374b97bb509..a9da40e3fe4 100644
--- a/pkgs/servers/zigbee2mqtt/node-packages.nix
+++ b/pkgs/servers/zigbee2mqtt/node-packages.nix
@@ -10090,4 +10090,4 @@ in
   tarball = nodeEnv.buildNodeSourceDist args;
   package = nodeEnv.buildNodePackage args;
   shell = nodeEnv.buildNodeShell args;
-}
\ No newline at end of file
+}
diff --git a/pkgs/servers/zigbee2mqtt/node.nix b/pkgs/servers/zigbee2mqtt/node.nix
index 6080388b05e..2d0fadffa97 100644
--- a/pkgs/servers/zigbee2mqtt/node.nix
+++ b/pkgs/servers/zigbee2mqtt/node.nix
@@ -14,4 +14,4 @@ in
 import ./node-packages.nix {
   inherit (pkgs) fetchurl fetchgit;
   inherit nodeEnv;
-}
\ No newline at end of file
+}
diff --git a/pkgs/tools/compression/zdelta/default.nix b/pkgs/tools/compression/zdelta/default.nix
index b3932ec3da8..46760c91306 100644
--- a/pkgs/tools/compression/zdelta/default.nix
+++ b/pkgs/tools/compression/zdelta/default.nix
@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
   };
 
   meta = with lib; {
-	  homepage = "http://cis.poly.edu/zdelta";
+    homepage = "http://cis.poly.edu/zdelta";
     platforms = platforms.linux;
     license = licenses.zlib;
   };
diff --git a/pkgs/tools/graphics/ldgallery/viewer/node-composition.nix b/pkgs/tools/graphics/ldgallery/viewer/node-composition.nix
index f6c53f6c58d..55566aafc58 100644
--- a/pkgs/tools/graphics/ldgallery/viewer/node-composition.nix
+++ b/pkgs/tools/graphics/ldgallery/viewer/node-composition.nix
@@ -14,4 +14,4 @@ in
 import ./node-packages.nix {
   inherit (pkgs) fetchurl fetchgit;
   inherit nodeEnv;
-}
\ No newline at end of file
+}
diff --git a/pkgs/tools/graphics/ldgallery/viewer/node-packages.nix b/pkgs/tools/graphics/ldgallery/viewer/node-packages.nix
index 14691f64065..9946ce0e63c 100644
--- a/pkgs/tools/graphics/ldgallery/viewer/node-packages.nix
+++ b/pkgs/tools/graphics/ldgallery/viewer/node-packages.nix
@@ -13266,4 +13266,4 @@ in
   tarball = nodeEnv.buildNodeSourceDist args;
   package = nodeEnv.buildNodePackage args;
   shell = nodeEnv.buildNodeShell args;
-}
\ No newline at end of file
+}
diff --git a/pkgs/tools/graphics/pdfredacttools/default.nix b/pkgs/tools/graphics/pdfredacttools/default.nix
index 31a327331d7..71d927913c3 100644
--- a/pkgs/tools/graphics/pdfredacttools/default.nix
+++ b/pkgs/tools/graphics/pdfredacttools/default.nix
@@ -22,8 +22,8 @@ python2Packages.buildPythonApplication rec {
   meta = with lib; {
     description = "Redact and strip metadata from documents before publishing";
     longDescription = ''
-	PDF Redact Tools helps with securely redacting and stripping metadata
-	from documents before publishing. Note that this is not a security tool.
+        PDF Redact Tools helps with securely redacting and stripping metadata
+        from documents before publishing. Note that this is not a security tool.
         It uses ImageMagick to parse PDFs.  While ImageMagick is a versatile tool, it has
         a history of several security bugs. A malicious PDF could exploit a bug in
         ImageMagick to take over your computer. If you're working with potentially