Add "please don't edit" comment at the top of every auto-generated Haskell file.

46 files changed, 92 insertions, 0 deletions

diff --git a/pkgs/development/tools/documentation/haddock/2.12.0.nix b/pkgs/development/tools/documentation/haddock/2.12.0.nix
index 12907a64d214..6d3f333962bc 100644
--- a/pkgs/development/tools/documentation/haddock/2.12.0.nix
+++ b/pkgs/development/tools/documentation/haddock/2.12.0.nix
@@ -1,3 +1,5 @@
+# This file was auto-generated by cabal2nix. Please do NOT edit manually!
+
 { cabal, alex, Cabal, deepseq, filepath, ghcPaths, happy, xhtml }:
 
 cabal.mkDerivation (self: {
diff --git a/pkgs/development/tools/documentation/haddock/2.4.2.nix b/pkgs/development/tools/documentation/haddock/2.4.2.nix
index 811ffd2855da..34af47f48db4 100644
--- a/pkgs/development/tools/documentation/haddock/2.4.2.nix
+++ b/pkgs/development/tools/documentation/haddock/2.4.2.nix
@@ -1,3 +1,5 @@
+# This file was auto-generated by cabal2nix. Please do NOT edit manually!
+
 { cabal, alex, Cabal, filepath, ghcPaths, happy }:
 
 cabal.mkDerivation (self: {
diff --git a/pkgs/development/tools/documentation/haddock/2.9.4.nix b/pkgs/development/tools/documentation/haddock/2.9.4.nix
index 8a57dd851c2d..dc7ab7f968b1 100644
--- a/pkgs/development/tools/documentation/haddock/2.9.4.nix
+++ b/pkgs/development/tools/documentation/haddock/2.9.4.nix
@@ -1,3 +1,5 @@
+# This file was auto-generated by cabal2nix. Please do NOT edit manually!
+
 { cabal, alex, Cabal, filepath, ghcPaths, happy, regexCompat, xhtml
 }:
 
diff --git a/pkgs/development/tools/haskell/BNFC-meta/default.nix b/pkgs/development/tools/haskell/BNFC-meta/default.nix
index d39544342b3a..3017bc7c7b91 100644
--- a/pkgs/development/tools/haskell/BNFC-meta/default.nix
+++ b/pkgs/development/tools/haskell/BNFC-meta/default.nix
@@ -1,3 +1,5 @@
+# This file was auto-generated by cabal2nix. Please do NOT edit manually!
+
 { cabal, alexMeta, happyMeta, haskellSrcMeta, syb }:
 
 cabal.mkDerivation (self: {
diff --git a/pkgs/development/tools/haskell/DrIFT/default.nix b/pkgs/development/tools/haskell/DrIFT/default.nix
index f0ae57b6287f..6f0f8fb0c600 100644
--- a/pkgs/development/tools/haskell/DrIFT/default.nix
+++ b/pkgs/development/tools/haskell/DrIFT/default.nix
@@ -1,3 +1,5 @@
+# This file was auto-generated by cabal2nix. Please do NOT edit manually!
+
 { cabal, filepath, random }:
 
 cabal.mkDerivation (self: {
diff --git a/pkgs/development/tools/haskell/HaRe/default.nix b/pkgs/development/tools/haskell/HaRe/default.nix
index d32ae2372ffb..66048f7cc09e 100644
--- a/pkgs/development/tools/haskell/HaRe/default.nix
+++ b/pkgs/development/tools/haskell/HaRe/default.nix
@@ -1,3 +1,5 @@
+# This file was auto-generated by cabal2nix. Please do NOT edit manually!
+
 { cabal, deepseq, Diff, dualTree, filepath, ghcMod, ghcPaths
 , ghcSybUtils, haskellTokenUtils, hslogger, hspec, HUnit
 , monoidExtras, mtl, parsec, QuickCheck, rosezipper, semigroups
diff --git a/pkgs/development/tools/haskell/alex-meta/default.nix b/pkgs/development/tools/haskell/alex-meta/default.nix
index 5bb298e739ad..a8c2840923ba 100644
--- a/pkgs/development/tools/haskell/alex-meta/default.nix
+++ b/pkgs/development/tools/haskell/alex-meta/default.nix
@@ -1,3 +1,5 @@
+# This file was auto-generated by cabal2nix. Please do NOT edit manually!
+
 { cabal, haskellSrcMeta, QuickCheck }:
 
 cabal.mkDerivation (self: {
diff --git a/pkgs/development/tools/haskell/cabal-bounds/default.nix b/pkgs/development/tools/haskell/cabal-bounds/default.nix
index ee1fc152f803..a27fa1dc689a 100644
--- a/pkgs/development/tools/haskell/cabal-bounds/default.nix
+++ b/pkgs/development/tools/haskell/cabal-bounds/default.nix
@@ -1,3 +1,5 @@
+# This file was auto-generated by cabal2nix. Please do NOT edit manually!
+
 { cabal, Cabal, cabalLenses, cmdargs, either, filepath, lens
 , strict, tasty, tastyGolden, transformers, unorderedContainers
 }:
diff --git a/pkgs/development/tools/haskell/cabal-db/default.nix b/pkgs/development/tools/haskell/cabal-db/default.nix
index 0d8b6ce5993f..234c158cf90c 100644
--- a/pkgs/development/tools/haskell/cabal-db/default.nix
+++ b/pkgs/development/tools/haskell/cabal-db/default.nix
@@ -1,3 +1,5 @@
+# This file was auto-generated by cabal2nix. Please do NOT edit manually!
+
 { cabal, ansiWlPprint, Cabal, filepath, mtl, optparseApplicative
 , tar, utf8String
 }:
diff --git a/pkgs/development/tools/haskell/cabal-ghci/default.nix b/pkgs/development/tools/haskell/cabal-ghci/default.nix
index dee257273846..2fc2637840da 100644
--- a/pkgs/development/tools/haskell/cabal-ghci/default.nix
+++ b/pkgs/development/tools/haskell/cabal-ghci/default.nix
@@ -1,3 +1,5 @@
+# This file was auto-generated by cabal2nix. Please do NOT edit manually!
+
 { cabal, Cabal, filepath }:
 
 cabal.mkDerivation (self: {
diff --git a/pkgs/development/tools/haskell/cabal-meta/default.nix b/pkgs/development/tools/haskell/cabal-meta/default.nix
index 7aec5022720a..9dc0a4fb9af5 100644
--- a/pkgs/development/tools/haskell/cabal-meta/default.nix
+++ b/pkgs/development/tools/haskell/cabal-meta/default.nix
@@ -1,3 +1,5 @@
+# This file was auto-generated by cabal2nix. Please do NOT edit manually!
+
 { cabal, hspec, shelly, systemFileio, systemFilepath, text }:
 
 cabal.mkDerivation (self: {
diff --git a/pkgs/development/tools/haskell/cabal2ghci/default.nix b/pkgs/development/tools/haskell/cabal2ghci/default.nix
index f8adaee46712..deb9e8d18d98 100644
--- a/pkgs/development/tools/haskell/cabal2ghci/default.nix
+++ b/pkgs/development/tools/haskell/cabal2ghci/default.nix
@@ -1,3 +1,5 @@
+# This file was auto-generated by cabal2nix. Please do NOT edit manually!
+
 { cabal, Cabal, cmdargs, stylishHaskell, systemFileio
 , systemFilepath, text, unorderedContainers, yaml
 }:
diff --git a/pkgs/development/tools/haskell/cabal2nix/default.nix b/pkgs/development/tools/haskell/cabal2nix/default.nix
index 65446f68672c..8af527c814fa 100644
--- a/pkgs/development/tools/haskell/cabal2nix/default.nix
+++ b/pkgs/development/tools/haskell/cabal2nix/default.nix
@@ -1,3 +1,5 @@
+# This file was auto-generated by cabal2nix. Please do NOT edit manually!
+
 { cabal, Cabal, doctest, filepath, hackageDb, HTTP, mtl, regexPosix
 }:
 
diff --git a/pkgs/development/tools/haskell/cake3/default.nix b/pkgs/development/tools/haskell/cake3/default.nix
index dba2a3e68040..5b948f510bf7 100644
--- a/pkgs/development/tools/haskell/cake3/default.nix
+++ b/pkgs/development/tools/haskell/cake3/default.nix
@@ -1,3 +1,5 @@
+# This file was auto-generated by cabal2nix. Please do NOT edit manually!
+
 { cabal, attoparsec, deepseq, filepath, haskellSrcMeta
 , languageJavascript, mimeTypes, monadloc, mtl, optparseApplicative
 , parsec, syb, systemFilepath, text, textFormat
diff --git a/pkgs/development/tools/haskell/codex/default.nix b/pkgs/development/tools/haskell/codex/default.nix
index 7d706510210d..0a68e7939d71 100644
--- a/pkgs/development/tools/haskell/codex/default.nix
+++ b/pkgs/development/tools/haskell/codex/default.nix
@@ -1,3 +1,5 @@
+# This file was auto-generated by cabal2nix. Please do NOT edit manually!
+
 { cabal, Cabal, downloadCurl, either, filepath, hackageDb, MissingH
 , monadLoops, tar, text, transformers, yaml, zlib
 }:
diff --git a/pkgs/development/tools/haskell/ghc-events-analyze/default.nix b/pkgs/development/tools/haskell/ghc-events-analyze/default.nix
index 7744a3071cce..af708e40afe4 100644
--- a/pkgs/development/tools/haskell/ghc-events-analyze/default.nix
+++ b/pkgs/development/tools/haskell/ghc-events-analyze/default.nix
@@ -1,3 +1,5 @@
+# This file was auto-generated by cabal2nix. Please do NOT edit manually!
+
 { cabal, diagramsLib, diagramsSvg, filepath, ghcEvents, lens, mtl
 , optparseApplicative, parsec, SVGFonts, thLift, transformers
 }:
diff --git a/pkgs/development/tools/haskell/ghc-gc-tune/default.nix b/pkgs/development/tools/haskell/ghc-gc-tune/default.nix
index 193d12fdefa4..e5517854c34d 100644
--- a/pkgs/development/tools/haskell/ghc-gc-tune/default.nix
+++ b/pkgs/development/tools/haskell/ghc-gc-tune/default.nix
@@ -1,3 +1,5 @@
+# This file was auto-generated by cabal2nix. Please do NOT edit manually!
+
 { cabal, filepath }:
 
 cabal.mkDerivation (self: {
diff --git a/pkgs/development/tools/haskell/happy-meta/default.nix b/pkgs/development/tools/haskell/happy-meta/default.nix
index a3d885c60084..e7c143d7ace4 100644
--- a/pkgs/development/tools/haskell/happy-meta/default.nix
+++ b/pkgs/development/tools/haskell/happy-meta/default.nix
@@ -1,3 +1,5 @@
+# This file was auto-generated by cabal2nix. Please do NOT edit manually!
+
 { cabal, haskellSrcMeta, mtl }:
 
 cabal.mkDerivation (self: {
diff --git a/pkgs/development/tools/haskell/haskdogs/default.nix b/pkgs/development/tools/haskell/haskdogs/default.nix
index c05368c39808..06a6b04bb590 100644
--- a/pkgs/development/tools/haskell/haskdogs/default.nix
+++ b/pkgs/development/tools/haskell/haskdogs/default.nix
@@ -1,3 +1,5 @@
+# This file was auto-generated by cabal2nix. Please do NOT edit manually!
+
 { cabal, Cabal, filepath, HSH }:
 
 cabal.mkDerivation (self: {
diff --git a/pkgs/development/tools/haskell/hasktags/default.nix b/pkgs/development/tools/haskell/hasktags/default.nix
index 8942a1b79c24..36b3739a1405 100644
--- a/pkgs/development/tools/haskell/hasktags/default.nix
+++ b/pkgs/development/tools/haskell/hasktags/default.nix
@@ -1,3 +1,5 @@
+# This file was auto-generated by cabal2nix. Please do NOT edit manually!
+
 { cabal, filepath, json, utf8String }:
 
 cabal.mkDerivation (self: {
diff --git a/pkgs/development/tools/haskell/hlint/default.nix b/pkgs/development/tools/haskell/hlint/default.nix
index 79387dfee11f..be3b7ef2930e 100644
--- a/pkgs/development/tools/haskell/hlint/default.nix
+++ b/pkgs/development/tools/haskell/hlint/default.nix
@@ -1,3 +1,5 @@
+# This file was auto-generated by cabal2nix. Please do NOT edit manually!
+
 { cabal, cmdargs, cpphs, filepath, haskellSrcExts, hscolour
 , transformers, uniplate
 }:
diff --git a/pkgs/development/tools/haskell/hobbes/default.nix b/pkgs/development/tools/haskell/hobbes/default.nix
index 0c9b2d45ae17..a9b48f922c86 100644
--- a/pkgs/development/tools/haskell/hobbes/default.nix
+++ b/pkgs/development/tools/haskell/hobbes/default.nix
@@ -1,3 +1,5 @@
+# This file was auto-generated by cabal2nix. Please do NOT edit manually!
+
 { cabal, filemanip, filepath, fsnotify, systemFilepath, text }:
 
 cabal.mkDerivation (self: {
diff --git a/pkgs/development/tools/haskell/hp2any-manager/default.nix b/pkgs/development/tools/haskell/hp2any-manager/default.nix
index 2189d52f707e..3bbf65bcf7a4 100644
--- a/pkgs/development/tools/haskell/hp2any-manager/default.nix
+++ b/pkgs/development/tools/haskell/hp2any-manager/default.nix
@@ -1,3 +1,5 @@
+# This file was auto-generated by cabal2nix. Please do NOT edit manually!
+
 { cabal, cairo, filepath, glade, glib, gtk, gtkglext, hp2anyCore
 , hp2anyGraph, OpenGL, time
 }:
diff --git a/pkgs/development/tools/haskell/hscolour/default.nix b/pkgs/development/tools/haskell/hscolour/default.nix
index d8bc08b4b33c..fa41d7fb35c8 100644
--- a/pkgs/development/tools/haskell/hscolour/default.nix
+++ b/pkgs/development/tools/haskell/hscolour/default.nix
@@ -1,3 +1,5 @@
+# This file was auto-generated by cabal2nix. Please do NOT edit manually!
+
 { cabal }:
 
 cabal.mkDerivation (self: {
diff --git a/pkgs/development/tools/haskell/hslogger/default.nix b/pkgs/development/tools/haskell/hslogger/default.nix
index deb97d85fdc8..af8300bf91f5 100644
--- a/pkgs/development/tools/haskell/hslogger/default.nix
+++ b/pkgs/development/tools/haskell/hslogger/default.nix
@@ -1,3 +1,5 @@
+# This file was auto-generated by cabal2nix. Please do NOT edit manually!
+
 { cabal, mtl, network, time }:
 
 cabal.mkDerivation (self: {
diff --git a/pkgs/development/tools/haskell/jailbreak-cabal/default.nix b/pkgs/development/tools/haskell/jailbreak-cabal/default.nix
index ea61fd9b6ed4..a6986c1cdc54 100644
--- a/pkgs/development/tools/haskell/jailbreak-cabal/default.nix
+++ b/pkgs/development/tools/haskell/jailbreak-cabal/default.nix
@@ -1,3 +1,5 @@
+# This file was auto-generated by cabal2nix. Please do NOT edit manually!
+
 { cabal, Cabal }:
 
 cabal.mkDerivation (self: {
diff --git a/pkgs/development/tools/haskell/keter/default.nix b/pkgs/development/tools/haskell/keter/default.nix
index a065d7f01eb1..496ba1d3e489 100644
--- a/pkgs/development/tools/haskell/keter/default.nix
+++ b/pkgs/development/tools/haskell/keter/default.nix
@@ -1,3 +1,5 @@
+# This file was auto-generated by cabal2nix. Please do NOT edit manually!
+
 { cabal, aeson, async, attoparsec, blazeBuilder, caseInsensitive
 , conduit, conduitExtra, dataDefault, filepath, fsnotify, hspec
 , httpClient, httpConduit, httpReverseProxy, httpTypes, liftedBase
diff --git a/pkgs/development/tools/haskell/packunused/default.nix b/pkgs/development/tools/haskell/packunused/default.nix
index 8acee1586830..c68d5dec8b3a 100644
--- a/pkgs/development/tools/haskell/packunused/default.nix
+++ b/pkgs/development/tools/haskell/packunused/default.nix
@@ -1,3 +1,5 @@
+# This file was auto-generated by cabal2nix. Please do NOT edit manually!
+
 { cabal, Cabal, filepath, haskellSrcExts, optparseApplicative
 , split
 }:
diff --git a/pkgs/development/tools/haskell/profiteur/default.nix b/pkgs/development/tools/haskell/profiteur/default.nix
index 748b0093ba21..2cc73ca66726 100644
--- a/pkgs/development/tools/haskell/profiteur/default.nix
+++ b/pkgs/development/tools/haskell/profiteur/default.nix
@@ -1,3 +1,5 @@
+# This file was auto-generated by cabal2nix. Please do NOT edit manually!
+
 { cabal, aeson, attoparsec, filepath, text, unorderedContainers
 , vector
 }:
diff --git a/pkgs/development/tools/haskell/rehoo/default.nix b/pkgs/development/tools/haskell/rehoo/default.nix
index 016070f66c33..f7993feddf88 100644
--- a/pkgs/development/tools/haskell/rehoo/default.nix
+++ b/pkgs/development/tools/haskell/rehoo/default.nix
@@ -1,3 +1,5 @@
+# This file was auto-generated by cabal2nix. Please do NOT edit manually!
+
 { cabal, cmdargs, parallelIo, shelly, split, systemFilepath, text
 }:
 
diff --git a/pkgs/development/tools/haskell/splot/default.nix b/pkgs/development/tools/haskell/splot/default.nix
index 987715a9cf8a..0e984778579d 100644
--- a/pkgs/development/tools/haskell/splot/default.nix
+++ b/pkgs/development/tools/haskell/splot/default.nix
@@ -1,3 +1,5 @@
+# This file was auto-generated by cabal2nix. Please do NOT edit manually!
+
 { cabal, bytestringLexing, cairo, colour, HUnit, mtl, strptime
 , time, vcsRevision
 }:
diff --git a/pkgs/development/tools/haskell/threadscope/default.nix b/pkgs/development/tools/haskell/threadscope/default.nix
index 1158221ad1a3..d52b4dec70f4 100644
--- a/pkgs/development/tools/haskell/threadscope/default.nix
+++ b/pkgs/development/tools/haskell/threadscope/default.nix
@@ -1,3 +1,5 @@
+# This file was auto-generated by cabal2nix. Please do NOT edit manually!
+
 { cabal, binary, cairo, deepseq, filepath, ghcEvents, glib, gtk
 , mtl, pango, time
 }:
diff --git a/pkgs/development/tools/haskell/timeplot/default.nix b/pkgs/development/tools/haskell/timeplot/default.nix
index 6ae2b40b081b..4342b877a2e8 100644
--- a/pkgs/development/tools/haskell/timeplot/default.nix
+++ b/pkgs/development/tools/haskell/timeplot/default.nix
@@ -1,3 +1,5 @@
+# This file was auto-generated by cabal2nix. Please do NOT edit manually!
+
 { cabal, bytestringLexing, cairo, Chart, ChartCairo, colour
 , dataDefault, lens, regexTdfa, strptime, time, transformers
 , vcsRevision
diff --git a/pkgs/development/tools/haskell/una/default.nix b/pkgs/development/tools/haskell/una/default.nix
index 172949818a60..9b80f6d478a2 100644
--- a/pkgs/development/tools/haskell/una/default.nix
+++ b/pkgs/development/tools/haskell/una/default.nix
@@ -1,3 +1,5 @@
+# This file was auto-generated by cabal2nix. Please do NOT edit manually!
+
 { cabal, cmdargs, filepath, ioStorage }:
 
 cabal.mkDerivation (self: {
diff --git a/pkgs/development/tools/haskell/uuagc/bootstrap.nix b/pkgs/development/tools/haskell/uuagc/bootstrap.nix
index d24d22f350ad..ddd4890261d1 100644
--- a/pkgs/development/tools/haskell/uuagc/bootstrap.nix
+++ b/pkgs/development/tools/haskell/uuagc/bootstrap.nix
@@ -1,3 +1,5 @@
+# This file was auto-generated by cabal2nix. Please do NOT edit manually!
+
 { cabal, filepath, haskellSrcExts, mtl, uulib }:
 
 cabal.mkDerivation (self: {
diff --git a/pkgs/development/tools/haskell/uuagc/cabal.nix b/pkgs/development/tools/haskell/uuagc/cabal.nix
index 38be593a1f04..79c8f513b9b8 100644
--- a/pkgs/development/tools/haskell/uuagc/cabal.nix
+++ b/pkgs/development/tools/haskell/uuagc/cabal.nix
@@ -1,3 +1,5 @@
+# This file was auto-generated by cabal2nix. Please do NOT edit manually!
+
 { cabal, Cabal, filepath, mtl, uulib }:
 
 cabal.mkDerivation (self: {
diff --git a/pkgs/development/tools/haskell/uuagc/default.nix b/pkgs/development/tools/haskell/uuagc/default.nix
index d8386fcb0a01..43cf0cafd22d 100644
--- a/pkgs/development/tools/haskell/uuagc/default.nix
+++ b/pkgs/development/tools/haskell/uuagc/default.nix
@@ -1,3 +1,5 @@
+# This file was auto-generated by cabal2nix. Please do NOT edit manually!
+
 { cabal, filepath, haskellSrcExts, mtl, uuagcCabal, uulib }:
 
 cabal.mkDerivation (self: {
diff --git a/pkgs/development/tools/misc/ShellCheck/default.nix b/pkgs/development/tools/misc/ShellCheck/default.nix
index a3f67393eed5..ec62d9fbed45 100644
--- a/pkgs/development/tools/misc/ShellCheck/default.nix
+++ b/pkgs/development/tools/misc/ShellCheck/default.nix
@@ -1,3 +1,5 @@
+# This file was auto-generated by cabal2nix. Please do NOT edit manually!
+
 { cabal, json, mtl, parsec, regexCompat }:
 
 cabal.mkDerivation (self: {
diff --git a/pkgs/development/tools/misc/cpphs/default.nix b/pkgs/development/tools/misc/cpphs/default.nix
index 31a7dc1361c3..edd0a52f2c6f 100644
--- a/pkgs/development/tools/misc/cpphs/default.nix
+++ b/pkgs/development/tools/misc/cpphs/default.nix
@@ -1,3 +1,5 @@
+# This file was auto-generated by cabal2nix. Please do NOT edit manually!
+
 { cabal, polyparse }:
 
 cabal.mkDerivation (self: {
diff --git a/pkgs/development/tools/parsing/Ebnf2ps/default.nix b/pkgs/development/tools/parsing/Ebnf2ps/default.nix
index 82d998c2fcbc..5267849a9bc3 100644
--- a/pkgs/development/tools/parsing/Ebnf2ps/default.nix
+++ b/pkgs/development/tools/parsing/Ebnf2ps/default.nix
@@ -1,3 +1,5 @@
+# This file was auto-generated by cabal2nix. Please do NOT edit manually!
+
 { cabal, happy }:
 
 cabal.mkDerivation (self: {
diff --git a/pkgs/development/tools/parsing/alex/3.0.1.nix b/pkgs/development/tools/parsing/alex/3.0.1.nix
index cdcaead86356..0433ca3addee 100644
--- a/pkgs/development/tools/parsing/alex/3.0.1.nix
+++ b/pkgs/development/tools/parsing/alex/3.0.1.nix
@@ -1,3 +1,5 @@
+# This file was auto-generated by cabal2nix. Please do NOT edit manually!
+
 { cabal, perl, QuickCheck }:
 
 cabal.mkDerivation (self: {
diff --git a/pkgs/development/tools/parsing/alex/3.0.2.nix b/pkgs/development/tools/parsing/alex/3.0.2.nix
index 9011db12c7dd..c11a64cb2ec0 100644
--- a/pkgs/development/tools/parsing/alex/3.0.2.nix
+++ b/pkgs/development/tools/parsing/alex/3.0.2.nix
@@ -1,3 +1,5 @@
+# This file was auto-generated by cabal2nix. Please do NOT edit manually!
+
 { cabal, perl, QuickCheck }:
 
 cabal.mkDerivation (self: {
diff --git a/pkgs/development/tools/parsing/alex/3.1.3.nix b/pkgs/development/tools/parsing/alex/3.1.3.nix
index 8174d851a312..b0f57d4d8334 100644
--- a/pkgs/development/tools/parsing/alex/3.1.3.nix
+++ b/pkgs/development/tools/parsing/alex/3.1.3.nix
@@ -1,3 +1,5 @@
+# This file was auto-generated by cabal2nix. Please do NOT edit manually!
+
 { cabal, happy, perl, QuickCheck }:
 
 cabal.mkDerivation (self: {
diff --git a/pkgs/development/tools/parsing/happy/1.18.10.nix b/pkgs/development/tools/parsing/happy/1.18.10.nix
index d342d3381c82..0e3f730defd5 100644
--- a/pkgs/development/tools/parsing/happy/1.18.10.nix
+++ b/pkgs/development/tools/parsing/happy/1.18.10.nix
@@ -1,3 +1,5 @@
+# This file was auto-generated by cabal2nix. Please do NOT edit manually!
+
 { cabal, mtl, perl }:
 
 cabal.mkDerivation (self: {
diff --git a/pkgs/development/tools/parsing/happy/1.18.11.nix b/pkgs/development/tools/parsing/happy/1.18.11.nix
index 41f6d5c49a4b..e7abe9300130 100644
--- a/pkgs/development/tools/parsing/happy/1.18.11.nix
+++ b/pkgs/development/tools/parsing/happy/1.18.11.nix
@@ -1,3 +1,5 @@
+# This file was auto-generated by cabal2nix. Please do NOT edit manually!
+
 { cabal, mtl, perl }:
 
 cabal.mkDerivation (self: {
diff --git a/pkgs/development/tools/parsing/happy/1.18.9.nix b/pkgs/development/tools/parsing/happy/1.18.9.nix
index b1f752ae35f5..25e8dcb7b7e1 100644
--- a/pkgs/development/tools/parsing/happy/1.18.9.nix
+++ b/pkgs/development/tools/parsing/happy/1.18.9.nix
@@ -1,3 +1,5 @@
+# This file was auto-generated by cabal2nix. Please do NOT edit manually!
+
 { cabal, mtl, perl }:
 
 cabal.mkDerivation (self: {