diff --git a/Cabal-syntax/src/Distribution/PackageDescription/FieldGrammar.hs b/Cabal-syntax/src/Distribution/PackageDescription/FieldGrammar.hs
index 4d9ada935af..49db03ee3c1 100644
--- a/Cabal-syntax/src/Distribution/PackageDescription/FieldGrammar.hs
+++ b/Cabal-syntax/src/Distribution/PackageDescription/FieldGrammar.hs
@@ -143,6 +143,8 @@ packageDescriptionFieldGrammar =
     <*> monoidalFieldAla "extra-source-files" formatExtraSourceFiles L.extraSrcFiles
     <*> monoidalFieldAla "extra-tmp-files" (alaList' VCat RelativePathNT) L.extraTmpFiles
     <*> monoidalFieldAla "extra-doc-files" formatExtraSourceFiles L.extraDocFiles
+    <*> monoidalFieldAla "extra-files" formatExtraSourceFiles L.extraFiles
+      ^^^ availableSince CabalSpecV3_14 []
   where
     packageIdentifierGrammar =
       PackageIdentifier
diff --git a/Cabal-syntax/src/Distribution/Types/PackageDescription.hs b/Cabal-syntax/src/Distribution/Types/PackageDescription.hs
index a3f1d0c33da..5e64694ac1f 100644
--- a/Cabal-syntax/src/Distribution/Types/PackageDescription.hs
+++ b/Cabal-syntax/src/Distribution/Types/PackageDescription.hs
@@ -149,6 +149,7 @@ data PackageDescription = PackageDescription
   , extraSrcFiles :: [RelativePath Pkg File]
   , extraTmpFiles :: [RelativePath Pkg File]
   , extraDocFiles :: [RelativePath Pkg File]
+  , extraFiles :: [RelativePath Pkg File]
   }
   deriving (Generic, Show, Read, Eq, Ord, Typeable, Data)
 
@@ -235,6 +236,7 @@ emptyPackageDescription =
     , extraSrcFiles = []
     , extraTmpFiles = []
     , extraDocFiles = []
+    , extraFiles = []
     }
 
 -- ---------------------------------------------------------------------------
@@ -491,6 +493,7 @@ instance L.HasBuildInfos PackageDescription where
         a22
         a23
         a24
+        a25
       ) =
       PackageDescription a1 a2 a3 a4 a5 a6 a7 a8 a9 a10 a11 a12 a13 a14 a15 a16 a17 a18 a19
         <$> (traverse . L.buildInfo) f x1 -- library
@@ -504,3 +507,4 @@ instance L.HasBuildInfos PackageDescription where
         <*> pure a22 -- extra src files
         <*> pure a23 -- extra temp files
         <*> pure a24 -- extra doc files
+        <*> pure a25 -- extra files
diff --git a/Cabal-syntax/src/Distribution/Types/PackageDescription/Lens.hs b/Cabal-syntax/src/Distribution/Types/PackageDescription/Lens.hs
index 201b10d859f..5d91e32492c 100644
--- a/Cabal-syntax/src/Distribution/Types/PackageDescription/Lens.hs
+++ b/Cabal-syntax/src/Distribution/Types/PackageDescription/Lens.hs
@@ -159,6 +159,10 @@ extraDocFiles :: Lens' PackageDescription [RelativePath Pkg File]
 extraDocFiles f s = fmap (\x -> s{T.extraDocFiles = x}) (f (T.extraDocFiles s))
 {-# INLINE extraDocFiles #-}
 
+extraFiles :: Lens' PackageDescription [RelativePath Pkg File]
+extraFiles f s = fmap (\x -> s{T.extraFiles = x}) (f (T.extraFiles s))
+{-# INLINE extraFiles #-}
+
 -- | @since 3.0.0.0
 allLibraries :: Traversal' PackageDescription Library
 allLibraries f pd = mk <$> traverse f (T.library pd) <*> traverse f (T.subLibraries pd)
diff --git a/Cabal-tests/tests/ParserTests/regressions/Octree-0.5.expr b/Cabal-tests/tests/ParserTests/regressions/Octree-0.5.expr
index b3494104aed..04f54ea5d93 100644
--- a/Cabal-tests/tests/ParserTests/regressions/Octree-0.5.expr
+++ b/Cabal-tests/tests/ParserTests/regressions/Octree-0.5.expr
@@ -66,7 +66,8 @@ GenericPackageDescription {
     dataDir = SymbolicPath ".",
     extraSrcFiles = [],
     extraTmpFiles = [],
-    extraDocFiles = []},
+    extraDocFiles = [],
+    extraFiles = []},
   gpdScannedVersion = Nothing,
   genPackageFlags = [],
   condLibrary = Just
diff --git a/Cabal-tests/tests/ParserTests/regressions/anynone.expr b/Cabal-tests/tests/ParserTests/regressions/anynone.expr
index 8c9c8879ab4..919f554180a 100644
--- a/Cabal-tests/tests/ParserTests/regressions/anynone.expr
+++ b/Cabal-tests/tests/ParserTests/regressions/anynone.expr
@@ -32,7 +32,8 @@ GenericPackageDescription {
     dataDir = SymbolicPath ".",
     extraSrcFiles = [],
     extraTmpFiles = [],
-    extraDocFiles = []},
+    extraDocFiles = [],
+    extraFiles = []},
   gpdScannedVersion = Nothing,
   genPackageFlags = [],
   condLibrary = Just
diff --git a/Cabal-tests/tests/ParserTests/regressions/big-version.expr b/Cabal-tests/tests/ParserTests/regressions/big-version.expr
index d4ef82adf52..c219ac95241 100644
--- a/Cabal-tests/tests/ParserTests/regressions/big-version.expr
+++ b/Cabal-tests/tests/ParserTests/regressions/big-version.expr
@@ -34,7 +34,8 @@ GenericPackageDescription {
     dataDir = SymbolicPath ".",
     extraSrcFiles = [],
     extraTmpFiles = [],
-    extraDocFiles = []},
+    extraDocFiles = [],
+    extraFiles = []},
   gpdScannedVersion = Nothing,
   genPackageFlags = [],
   condLibrary = Just
diff --git a/Cabal-tests/tests/ParserTests/regressions/common-conditional.expr b/Cabal-tests/tests/ParserTests/regressions/common-conditional.expr
index 9cacba2b770..8969ff6f5fa 100644
--- a/Cabal-tests/tests/ParserTests/regressions/common-conditional.expr
+++ b/Cabal-tests/tests/ParserTests/regressions/common-conditional.expr
@@ -44,7 +44,8 @@ GenericPackageDescription {
     dataDir = SymbolicPath ".",
     extraSrcFiles = [],
     extraTmpFiles = [],
-    extraDocFiles = []},
+    extraDocFiles = [],
+    extraFiles = []},
   gpdScannedVersion = Nothing,
   genPackageFlags = [
     MkPackageFlag {
diff --git a/Cabal-tests/tests/ParserTests/regressions/common.expr b/Cabal-tests/tests/ParserTests/regressions/common.expr
index 25abadef9e7..e39820ec833 100644
--- a/Cabal-tests/tests/ParserTests/regressions/common.expr
+++ b/Cabal-tests/tests/ParserTests/regressions/common.expr
@@ -47,7 +47,8 @@ GenericPackageDescription {
     dataDir = SymbolicPath ".",
     extraSrcFiles = [],
     extraTmpFiles = [],
-    extraDocFiles = []},
+    extraDocFiles = [],
+    extraFiles = []},
   gpdScannedVersion = Nothing,
   genPackageFlags = [],
   condLibrary = Just
diff --git a/Cabal-tests/tests/ParserTests/regressions/common2.expr b/Cabal-tests/tests/ParserTests/regressions/common2.expr
index cd501d11cf2..ae85c83ea2b 100644
--- a/Cabal-tests/tests/ParserTests/regressions/common2.expr
+++ b/Cabal-tests/tests/ParserTests/regressions/common2.expr
@@ -43,7 +43,8 @@ GenericPackageDescription {
     dataDir = SymbolicPath ".",
     extraSrcFiles = [],
     extraTmpFiles = [],
-    extraDocFiles = []},
+    extraDocFiles = [],
+    extraFiles = []},
   gpdScannedVersion = Nothing,
   genPackageFlags = [],
   condLibrary = Just
diff --git a/Cabal-tests/tests/ParserTests/regressions/common3.expr b/Cabal-tests/tests/ParserTests/regressions/common3.expr
index fc1fc155c09..5436936b3a2 100644
--- a/Cabal-tests/tests/ParserTests/regressions/common3.expr
+++ b/Cabal-tests/tests/ParserTests/regressions/common3.expr
@@ -47,7 +47,8 @@ GenericPackageDescription {
     dataDir = SymbolicPath ".",
     extraSrcFiles = [],
     extraTmpFiles = [],
-    extraDocFiles = []},
+    extraDocFiles = [],
+    extraFiles = []},
   gpdScannedVersion = Nothing,
   genPackageFlags = [],
   condLibrary = Just
diff --git a/Cabal-tests/tests/ParserTests/regressions/elif.expr b/Cabal-tests/tests/ParserTests/regressions/elif.expr
index f17c1e17b88..5bf616b7c15 100644
--- a/Cabal-tests/tests/ParserTests/regressions/elif.expr
+++ b/Cabal-tests/tests/ParserTests/regressions/elif.expr
@@ -42,7 +42,8 @@ GenericPackageDescription {
     dataDir = SymbolicPath ".",
     extraSrcFiles = [],
     extraTmpFiles = [],
-    extraDocFiles = []},
+    extraDocFiles = [],
+    extraFiles = []},
   gpdScannedVersion = Nothing,
   genPackageFlags = [],
   condLibrary = Just
diff --git a/Cabal-tests/tests/ParserTests/regressions/elif2.expr b/Cabal-tests/tests/ParserTests/regressions/elif2.expr
index ec01a92a79d..f0ecd6bb111 100644
--- a/Cabal-tests/tests/ParserTests/regressions/elif2.expr
+++ b/Cabal-tests/tests/ParserTests/regressions/elif2.expr
@@ -42,7 +42,8 @@ GenericPackageDescription {
     dataDir = SymbolicPath ".",
     extraSrcFiles = [],
     extraTmpFiles = [],
-    extraDocFiles = []},
+    extraDocFiles = [],
+    extraFiles = []},
   gpdScannedVersion = Nothing,
   genPackageFlags = [],
   condLibrary = Just
diff --git a/Cabal-tests/tests/ParserTests/regressions/encoding-0.8.expr b/Cabal-tests/tests/ParserTests/regressions/encoding-0.8.expr
index 0d248029a31..4e45a86b8c4 100644
--- a/Cabal-tests/tests/ParserTests/regressions/encoding-0.8.expr
+++ b/Cabal-tests/tests/ParserTests/regressions/encoding-0.8.expr
@@ -47,7 +47,8 @@ GenericPackageDescription {
       SymbolicPath "--",
       SymbolicPath "--"],
     extraTmpFiles = [],
-    extraDocFiles = []},
+    extraDocFiles = [],
+    extraFiles = []},
   gpdScannedVersion = Nothing,
   genPackageFlags = [],
   condLibrary = Just
diff --git a/Cabal-tests/tests/ParserTests/regressions/generics-sop.expr b/Cabal-tests/tests/ParserTests/regressions/generics-sop.expr
index 25786cdfad5..60be619bd16 100644
--- a/Cabal-tests/tests/ParserTests/regressions/generics-sop.expr
+++ b/Cabal-tests/tests/ParserTests/regressions/generics-sop.expr
@@ -123,7 +123,8 @@ GenericPackageDescription {
     extraSrcFiles = [
       SymbolicPath "CHANGELOG.md"],
     extraTmpFiles = [],
-    extraDocFiles = []},
+    extraDocFiles = [],
+    extraFiles = []},
   gpdScannedVersion = Nothing,
   genPackageFlags = [],
   condLibrary = Just
diff --git a/Cabal-tests/tests/ParserTests/regressions/hasktorch.expr b/Cabal-tests/tests/ParserTests/regressions/hasktorch.expr
index c68fac467e1..7eea76ce8c1 100644
--- a/Cabal-tests/tests/ParserTests/regressions/hasktorch.expr
+++ b/Cabal-tests/tests/ParserTests/regressions/hasktorch.expr
@@ -54,7 +54,8 @@ GenericPackageDescription {
     dataDir = SymbolicPath ".",
     extraSrcFiles = [],
     extraTmpFiles = [],
-    extraDocFiles = []},
+    extraDocFiles = [],
+    extraFiles = []},
   gpdScannedVersion = Nothing,
   genPackageFlags = [
     MkPackageFlag {
diff --git a/Cabal-tests/tests/ParserTests/regressions/hidden-main-lib.expr b/Cabal-tests/tests/ParserTests/regressions/hidden-main-lib.expr
index b51b4adacb2..3e67f519199 100644
--- a/Cabal-tests/tests/ParserTests/regressions/hidden-main-lib.expr
+++ b/Cabal-tests/tests/ParserTests/regressions/hidden-main-lib.expr
@@ -34,7 +34,8 @@ GenericPackageDescription {
     dataDir = SymbolicPath ".",
     extraSrcFiles = [],
     extraTmpFiles = [],
-    extraDocFiles = []},
+    extraDocFiles = [],
+    extraFiles = []},
   gpdScannedVersion = Nothing,
   genPackageFlags = [],
   condLibrary = Just
diff --git a/Cabal-tests/tests/ParserTests/regressions/indentation.expr b/Cabal-tests/tests/ParserTests/regressions/indentation.expr
index c97630ddb00..ea8c219ca0a 100644
--- a/Cabal-tests/tests/ParserTests/regressions/indentation.expr
+++ b/Cabal-tests/tests/ParserTests/regressions/indentation.expr
@@ -44,7 +44,8 @@ GenericPackageDescription {
     dataDir = SymbolicPath ".",
     extraSrcFiles = [],
     extraTmpFiles = [],
-    extraDocFiles = []},
+    extraDocFiles = [],
+    extraFiles = []},
   gpdScannedVersion = Nothing,
   genPackageFlags = [],
   condLibrary = Just
diff --git a/Cabal-tests/tests/ParserTests/regressions/indentation2.expr b/Cabal-tests/tests/ParserTests/regressions/indentation2.expr
index 605cba525d1..f26c9a4e005 100644
--- a/Cabal-tests/tests/ParserTests/regressions/indentation2.expr
+++ b/Cabal-tests/tests/ParserTests/regressions/indentation2.expr
@@ -37,7 +37,8 @@ GenericPackageDescription {
     dataDir = SymbolicPath ".",
     extraSrcFiles = [],
     extraTmpFiles = [],
-    extraDocFiles = []},
+    extraDocFiles = [],
+    extraFiles = []},
   gpdScannedVersion = Nothing,
   genPackageFlags = [],
   condLibrary = Just
diff --git a/Cabal-tests/tests/ParserTests/regressions/indentation3.expr b/Cabal-tests/tests/ParserTests/regressions/indentation3.expr
index 55d0533c3fe..08db6b1fec6 100644
--- a/Cabal-tests/tests/ParserTests/regressions/indentation3.expr
+++ b/Cabal-tests/tests/ParserTests/regressions/indentation3.expr
@@ -39,7 +39,8 @@ GenericPackageDescription {
     dataDir = SymbolicPath ".",
     extraSrcFiles = [],
     extraTmpFiles = [],
-    extraDocFiles = []},
+    extraDocFiles = [],
+    extraFiles = []},
   gpdScannedVersion = Nothing,
   genPackageFlags = [],
   condLibrary = Just
diff --git a/Cabal-tests/tests/ParserTests/regressions/issue-5055.expr b/Cabal-tests/tests/ParserTests/regressions/issue-5055.expr
index 3b5092639e4..03fab0246e4 100644
--- a/Cabal-tests/tests/ParserTests/regressions/issue-5055.expr
+++ b/Cabal-tests/tests/ParserTests/regressions/issue-5055.expr
@@ -34,7 +34,8 @@ GenericPackageDescription {
     dataDir = SymbolicPath ".",
     extraSrcFiles = [],
     extraTmpFiles = [],
-    extraDocFiles = []},
+    extraDocFiles = [],
+    extraFiles = []},
   gpdScannedVersion = Nothing,
   genPackageFlags = [],
   condLibrary = Nothing,
diff --git a/Cabal-tests/tests/ParserTests/regressions/issue-5846.expr b/Cabal-tests/tests/ParserTests/regressions/issue-5846.expr
index 61a7b7d2ca1..0d031503a53 100644
--- a/Cabal-tests/tests/ParserTests/regressions/issue-5846.expr
+++ b/Cabal-tests/tests/ParserTests/regressions/issue-5846.expr
@@ -32,7 +32,8 @@ GenericPackageDescription {
     dataDir = SymbolicPath ".",
     extraSrcFiles = [],
     extraTmpFiles = [],
-    extraDocFiles = []},
+    extraDocFiles = [],
+    extraFiles = []},
   gpdScannedVersion = Nothing,
   genPackageFlags = [],
   condLibrary = Just
diff --git a/Cabal-tests/tests/ParserTests/regressions/issue-6083-a.expr b/Cabal-tests/tests/ParserTests/regressions/issue-6083-a.expr
index c9c57785ac6..bbe56f81a5c 100644
--- a/Cabal-tests/tests/ParserTests/regressions/issue-6083-a.expr
+++ b/Cabal-tests/tests/ParserTests/regressions/issue-6083-a.expr
@@ -32,7 +32,8 @@ GenericPackageDescription {
     dataDir = SymbolicPath ".",
     extraSrcFiles = [],
     extraTmpFiles = [],
-    extraDocFiles = []},
+    extraDocFiles = [],
+    extraFiles = []},
   gpdScannedVersion = Nothing,
   genPackageFlags = [],
   condLibrary = Just
diff --git a/Cabal-tests/tests/ParserTests/regressions/issue-6083-b.expr b/Cabal-tests/tests/ParserTests/regressions/issue-6083-b.expr
index b0ed19062fc..17b9f8319bb 100644
--- a/Cabal-tests/tests/ParserTests/regressions/issue-6083-b.expr
+++ b/Cabal-tests/tests/ParserTests/regressions/issue-6083-b.expr
@@ -32,7 +32,8 @@ GenericPackageDescription {
     dataDir = SymbolicPath ".",
     extraSrcFiles = [],
     extraTmpFiles = [],
-    extraDocFiles = []},
+    extraDocFiles = [],
+    extraFiles = []},
   gpdScannedVersion = Nothing,
   genPackageFlags = [],
   condLibrary = Just
diff --git a/Cabal-tests/tests/ParserTests/regressions/issue-6083-c.expr b/Cabal-tests/tests/ParserTests/regressions/issue-6083-c.expr
index c901eebc8ce..8db694b7389 100644
--- a/Cabal-tests/tests/ParserTests/regressions/issue-6083-c.expr
+++ b/Cabal-tests/tests/ParserTests/regressions/issue-6083-c.expr
@@ -32,7 +32,8 @@ GenericPackageDescription {
     dataDir = SymbolicPath ".",
     extraSrcFiles = [],
     extraTmpFiles = [],
-    extraDocFiles = []},
+    extraDocFiles = [],
+    extraFiles = []},
   gpdScannedVersion = Nothing,
   genPackageFlags = [],
   condLibrary = Just
diff --git a/Cabal-tests/tests/ParserTests/regressions/issue-6083-pkg-pkg.expr b/Cabal-tests/tests/ParserTests/regressions/issue-6083-pkg-pkg.expr
index 62ed5fd2fb9..26a3c260959 100644
--- a/Cabal-tests/tests/ParserTests/regressions/issue-6083-pkg-pkg.expr
+++ b/Cabal-tests/tests/ParserTests/regressions/issue-6083-pkg-pkg.expr
@@ -32,7 +32,8 @@ GenericPackageDescription {
     dataDir = SymbolicPath ".",
     extraSrcFiles = [],
     extraTmpFiles = [],
-    extraDocFiles = []},
+    extraDocFiles = [],
+    extraFiles = []},
   gpdScannedVersion = Nothing,
   genPackageFlags = [],
   condLibrary = Just
diff --git a/Cabal-tests/tests/ParserTests/regressions/issue-774.expr b/Cabal-tests/tests/ParserTests/regressions/issue-774.expr
index 2f58de4eb00..a9b2fc7bcc3 100644
--- a/Cabal-tests/tests/ParserTests/regressions/issue-774.expr
+++ b/Cabal-tests/tests/ParserTests/regressions/issue-774.expr
@@ -41,7 +41,8 @@ GenericPackageDescription {
     dataDir = SymbolicPath ".",
     extraSrcFiles = [],
     extraTmpFiles = [],
-    extraDocFiles = []},
+    extraDocFiles = [],
+    extraFiles = []},
   gpdScannedVersion = Nothing,
   genPackageFlags = [],
   condLibrary = Just
diff --git a/Cabal-tests/tests/ParserTests/regressions/jaeger-flamegraph.expr b/Cabal-tests/tests/ParserTests/regressions/jaeger-flamegraph.expr
index 9994c9b72c1..fd9b1fa3a28 100644
--- a/Cabal-tests/tests/ParserTests/regressions/jaeger-flamegraph.expr
+++ b/Cabal-tests/tests/ParserTests/regressions/jaeger-flamegraph.expr
@@ -73,7 +73,8 @@ GenericPackageDescription {
     dataDir = SymbolicPath ".",
     extraSrcFiles = [],
     extraTmpFiles = [],
-    extraDocFiles = []},
+    extraDocFiles = [],
+    extraFiles = []},
   gpdScannedVersion = Nothing,
   genPackageFlags = [],
   condLibrary = Just
diff --git a/Cabal-tests/tests/ParserTests/regressions/leading-comma-2.expr b/Cabal-tests/tests/ParserTests/regressions/leading-comma-2.expr
index 99f7cddf881..37bb5adfea5 100644
--- a/Cabal-tests/tests/ParserTests/regressions/leading-comma-2.expr
+++ b/Cabal-tests/tests/ParserTests/regressions/leading-comma-2.expr
@@ -34,7 +34,8 @@ GenericPackageDescription {
     dataDir = SymbolicPath ".",
     extraSrcFiles = [],
     extraTmpFiles = [],
-    extraDocFiles = []},
+    extraDocFiles = [],
+    extraFiles = []},
   gpdScannedVersion = Nothing,
   genPackageFlags = [],
   condLibrary = Just
diff --git a/Cabal-tests/tests/ParserTests/regressions/leading-comma.expr b/Cabal-tests/tests/ParserTests/regressions/leading-comma.expr
index 441fe75261d..6b31a91ecc4 100644
--- a/Cabal-tests/tests/ParserTests/regressions/leading-comma.expr
+++ b/Cabal-tests/tests/ParserTests/regressions/leading-comma.expr
@@ -34,7 +34,8 @@ GenericPackageDescription {
     dataDir = SymbolicPath ".",
     extraSrcFiles = [],
     extraTmpFiles = [],
-    extraDocFiles = []},
+    extraDocFiles = [],
+    extraFiles = []},
   gpdScannedVersion = Nothing,
   genPackageFlags = [],
   condLibrary = Just
diff --git a/Cabal-tests/tests/ParserTests/regressions/libpq1.expr b/Cabal-tests/tests/ParserTests/regressions/libpq1.expr
index 2e0bc309f9f..db39305d20f 100644
--- a/Cabal-tests/tests/ParserTests/regressions/libpq1.expr
+++ b/Cabal-tests/tests/ParserTests/regressions/libpq1.expr
@@ -111,7 +111,8 @@ GenericPackageDescription {
         "cbits/noticehandlers.h",
       SymbolicPath "CHANGELOG.md"],
     extraTmpFiles = [],
-    extraDocFiles = []},
+    extraDocFiles = [],
+    extraFiles = []},
   gpdScannedVersion = Nothing,
   genPackageFlags = [
     MkPackageFlag {
diff --git a/Cabal-tests/tests/ParserTests/regressions/libpq2.expr b/Cabal-tests/tests/ParserTests/regressions/libpq2.expr
index b74143af0b9..80b558d0b91 100644
--- a/Cabal-tests/tests/ParserTests/regressions/libpq2.expr
+++ b/Cabal-tests/tests/ParserTests/regressions/libpq2.expr
@@ -115,7 +115,8 @@ GenericPackageDescription {
         "cbits/noticehandlers.h",
       SymbolicPath "CHANGELOG.md"],
     extraTmpFiles = [],
-    extraDocFiles = []},
+    extraDocFiles = [],
+    extraFiles = []},
   gpdScannedVersion = Nothing,
   genPackageFlags = [
     MkPackageFlag {
diff --git a/Cabal-tests/tests/ParserTests/regressions/mixin-1.expr b/Cabal-tests/tests/ParserTests/regressions/mixin-1.expr
index 77821302ddf..b8372437dd6 100644
--- a/Cabal-tests/tests/ParserTests/regressions/mixin-1.expr
+++ b/Cabal-tests/tests/ParserTests/regressions/mixin-1.expr
@@ -32,7 +32,8 @@ GenericPackageDescription {
     dataDir = SymbolicPath ".",
     extraSrcFiles = [],
     extraTmpFiles = [],
-    extraDocFiles = []},
+    extraDocFiles = [],
+    extraFiles = []},
   gpdScannedVersion = Nothing,
   genPackageFlags = [],
   condLibrary = Nothing,
diff --git a/Cabal-tests/tests/ParserTests/regressions/mixin-2.expr b/Cabal-tests/tests/ParserTests/regressions/mixin-2.expr
index d8b58ff5a0b..a4d3459be3d 100644
--- a/Cabal-tests/tests/ParserTests/regressions/mixin-2.expr
+++ b/Cabal-tests/tests/ParserTests/regressions/mixin-2.expr
@@ -32,7 +32,8 @@ GenericPackageDescription {
     dataDir = SymbolicPath ".",
     extraSrcFiles = [],
     extraTmpFiles = [],
-    extraDocFiles = []},
+    extraDocFiles = [],
+    extraFiles = []},
   gpdScannedVersion = Nothing,
   genPackageFlags = [],
   condLibrary = Nothing,
diff --git a/Cabal-tests/tests/ParserTests/regressions/mixin-3.expr b/Cabal-tests/tests/ParserTests/regressions/mixin-3.expr
index c0cbfe921ad..2b1d37c79e9 100644
--- a/Cabal-tests/tests/ParserTests/regressions/mixin-3.expr
+++ b/Cabal-tests/tests/ParserTests/regressions/mixin-3.expr
@@ -32,7 +32,8 @@ GenericPackageDescription {
     dataDir = SymbolicPath ".",
     extraSrcFiles = [],
     extraTmpFiles = [],
-    extraDocFiles = []},
+    extraDocFiles = [],
+    extraFiles = []},
   gpdScannedVersion = Nothing,
   genPackageFlags = [],
   condLibrary = Nothing,
diff --git a/Cabal-tests/tests/ParserTests/regressions/monad-param.expr b/Cabal-tests/tests/ParserTests/regressions/monad-param.expr
index e450672e868..aaeb1af1044 100644
--- a/Cabal-tests/tests/ParserTests/regressions/monad-param.expr
+++ b/Cabal-tests/tests/ParserTests/regressions/monad-param.expr
@@ -42,7 +42,8 @@ GenericPackageDescription {
     dataDir = SymbolicPath ".",
     extraSrcFiles = [],
     extraTmpFiles = [],
-    extraDocFiles = []},
+    extraDocFiles = [],
+    extraFiles = []},
   gpdScannedVersion = Nothing,
   genPackageFlags = [],
   condLibrary = Just
diff --git a/Cabal-tests/tests/ParserTests/regressions/multiple-libs-2.expr b/Cabal-tests/tests/ParserTests/regressions/multiple-libs-2.expr
index aa7d6954637..dc6371bc75c 100644
--- a/Cabal-tests/tests/ParserTests/regressions/multiple-libs-2.expr
+++ b/Cabal-tests/tests/ParserTests/regressions/multiple-libs-2.expr
@@ -34,7 +34,8 @@ GenericPackageDescription {
     dataDir = SymbolicPath ".",
     extraSrcFiles = [],
     extraTmpFiles = [],
-    extraDocFiles = []},
+    extraDocFiles = [],
+    extraFiles = []},
   gpdScannedVersion = Nothing,
   genPackageFlags = [],
   condLibrary = Just
diff --git a/Cabal-tests/tests/ParserTests/regressions/noVersion.expr b/Cabal-tests/tests/ParserTests/regressions/noVersion.expr
index dfe79d768fb..0d5bf636569 100644
--- a/Cabal-tests/tests/ParserTests/regressions/noVersion.expr
+++ b/Cabal-tests/tests/ParserTests/regressions/noVersion.expr
@@ -34,7 +34,8 @@ GenericPackageDescription {
     dataDir = SymbolicPath ".",
     extraSrcFiles = [],
     extraTmpFiles = [],
-    extraDocFiles = []},
+    extraDocFiles = [],
+    extraFiles = []},
   gpdScannedVersion = Nothing,
   genPackageFlags = [],
   condLibrary = Just
diff --git a/Cabal-tests/tests/ParserTests/regressions/nothing-unicode.expr b/Cabal-tests/tests/ParserTests/regressions/nothing-unicode.expr
index 2ed17f6d557..f6a8c64a566 100644
--- a/Cabal-tests/tests/ParserTests/regressions/nothing-unicode.expr
+++ b/Cabal-tests/tests/ParserTests/regressions/nothing-unicode.expr
@@ -44,7 +44,8 @@ GenericPackageDescription {
     dataDir = SymbolicPath ".",
     extraSrcFiles = [],
     extraTmpFiles = [],
-    extraDocFiles = []},
+    extraDocFiles = [],
+    extraFiles = []},
   gpdScannedVersion = Nothing,
   genPackageFlags = [
     MkPackageFlag {
diff --git a/Cabal-tests/tests/ParserTests/regressions/shake.expr b/Cabal-tests/tests/ParserTests/regressions/shake.expr
index 4dd37e84de0..560c38e1dc4 100644
--- a/Cabal-tests/tests/ParserTests/regressions/shake.expr
+++ b/Cabal-tests/tests/ParserTests/regressions/shake.expr
@@ -149,7 +149,8 @@ GenericPackageDescription {
     extraTmpFiles = [],
     extraDocFiles = [
       SymbolicPath "CHANGES.txt",
-      SymbolicPath "README.md"]},
+      SymbolicPath "README.md"],
+    extraFiles = []},
   gpdScannedVersion = Nothing,
   genPackageFlags = [
     MkPackageFlag {
diff --git a/Cabal-tests/tests/ParserTests/regressions/spdx-1.expr b/Cabal-tests/tests/ParserTests/regressions/spdx-1.expr
index ddeaf37cbe4..24f0aff227a 100644
--- a/Cabal-tests/tests/ParserTests/regressions/spdx-1.expr
+++ b/Cabal-tests/tests/ParserTests/regressions/spdx-1.expr
@@ -33,7 +33,8 @@ GenericPackageDescription {
     dataDir = SymbolicPath ".",
     extraSrcFiles = [],
     extraTmpFiles = [],
-    extraDocFiles = []},
+    extraDocFiles = [],
+    extraFiles = []},
   gpdScannedVersion = Nothing,
   genPackageFlags = [],
   condLibrary = Just
diff --git a/Cabal-tests/tests/ParserTests/regressions/spdx-2.expr b/Cabal-tests/tests/ParserTests/regressions/spdx-2.expr
index b865b1f31db..992486c3be5 100644
--- a/Cabal-tests/tests/ParserTests/regressions/spdx-2.expr
+++ b/Cabal-tests/tests/ParserTests/regressions/spdx-2.expr
@@ -37,7 +37,8 @@ GenericPackageDescription {
     dataDir = SymbolicPath ".",
     extraSrcFiles = [],
     extraTmpFiles = [],
-    extraDocFiles = []},
+    extraDocFiles = [],
+    extraFiles = []},
   gpdScannedVersion = Nothing,
   genPackageFlags = [],
   condLibrary = Just
diff --git a/Cabal-tests/tests/ParserTests/regressions/spdx-3.expr b/Cabal-tests/tests/ParserTests/regressions/spdx-3.expr
index dc8f3f922b9..f38e0b24b30 100644
--- a/Cabal-tests/tests/ParserTests/regressions/spdx-3.expr
+++ b/Cabal-tests/tests/ParserTests/regressions/spdx-3.expr
@@ -37,7 +37,8 @@ GenericPackageDescription {
     dataDir = SymbolicPath ".",
     extraSrcFiles = [],
     extraTmpFiles = [],
-    extraDocFiles = []},
+    extraDocFiles = [],
+    extraFiles = []},
   gpdScannedVersion = Nothing,
   genPackageFlags = [],
   condLibrary = Just
diff --git a/Cabal-tests/tests/ParserTests/regressions/th-lift-instances.expr b/Cabal-tests/tests/ParserTests/regressions/th-lift-instances.expr
index 5e781597f30..fa6fd5ee308 100644
--- a/Cabal-tests/tests/ParserTests/regressions/th-lift-instances.expr
+++ b/Cabal-tests/tests/ParserTests/regressions/th-lift-instances.expr
@@ -61,7 +61,8 @@ GenericPackageDescription {
       SymbolicPath ".vim.custom",
       SymbolicPath "README.md"],
     extraTmpFiles = [],
-    extraDocFiles = []},
+    extraDocFiles = [],
+    extraFiles = []},
   gpdScannedVersion = Nothing,
   genPackageFlags = [],
   condLibrary = Just
diff --git a/Cabal-tests/tests/ParserTests/regressions/version-sets.expr b/Cabal-tests/tests/ParserTests/regressions/version-sets.expr
index 3244bc1cc45..8983fa4ea73 100644
--- a/Cabal-tests/tests/ParserTests/regressions/version-sets.expr
+++ b/Cabal-tests/tests/ParserTests/regressions/version-sets.expr
@@ -59,7 +59,8 @@ GenericPackageDescription {
     dataDir = SymbolicPath ".",
     extraSrcFiles = [],
     extraTmpFiles = [],
-    extraDocFiles = []},
+    extraDocFiles = [],
+    extraFiles = []},
   gpdScannedVersion = Nothing,
   genPackageFlags = [],
   condLibrary = Just
diff --git a/Cabal-tests/tests/ParserTests/regressions/wl-pprint-indef.expr b/Cabal-tests/tests/ParserTests/regressions/wl-pprint-indef.expr
index 6e718e3e685..a8b4fa3c604 100644
--- a/Cabal-tests/tests/ParserTests/regressions/wl-pprint-indef.expr
+++ b/Cabal-tests/tests/ParserTests/regressions/wl-pprint-indef.expr
@@ -51,7 +51,8 @@ GenericPackageDescription {
     dataDir = SymbolicPath ".",
     extraSrcFiles = [],
     extraTmpFiles = [],
-    extraDocFiles = []},
+    extraDocFiles = [],
+    extraFiles = []},
   gpdScannedVersion = Nothing,
   genPackageFlags = [],
   condLibrary = Just
diff --git a/Cabal-tests/tests/UnitTests/Distribution/Utils/Structured.hs b/Cabal-tests/tests/UnitTests/Distribution/Utils/Structured.hs
index 63841cba729..9cc6f3c4e40 100644
--- a/Cabal-tests/tests/UnitTests/Distribution/Utils/Structured.hs
+++ b/Cabal-tests/tests/UnitTests/Distribution/Utils/Structured.hs
@@ -33,7 +33,7 @@ md5Check proxy md5Int = structureHash proxy @?= md5FromInteger md5Int
 md5CheckGenericPackageDescription :: Proxy GenericPackageDescription -> Assertion
 md5CheckGenericPackageDescription proxy = md5Check proxy
 #if MIN_VERSION_base(4,19,0)
-    0xe28f08e7ac644f836d8b3fe7f9428dcf
+    0xb0a58b593d35ecac70d8387f0a5582c8
 #else
     0x3442058190aa48c2f795b83ee995f702
 #endif
@@ -41,7 +41,7 @@ md5CheckGenericPackageDescription proxy = md5Check proxy
 md5CheckLocalBuildInfo :: Proxy LocalBuildInfo -> Assertion
 md5CheckLocalBuildInfo proxy = md5Check proxy
 #if MIN_VERSION_base(4,19,0)
-    0x6809d4d86ae1810f2a032bc90c952b76
+    0x782ef2f55c8768d6e2354d92bd9bd010
 #else
     0x9409dca80a2e1522b1c3a39356e9aaef
 #endif
diff --git a/Cabal/src/Distribution/PackageDescription/Check.hs b/Cabal/src/Distribution/PackageDescription/Check.hs
index ef97b0d23be..5787dec3b77 100644
--- a/Cabal/src/Distribution/PackageDescription/Check.hs
+++ b/Cabal/src/Distribution/PackageDescription/Check.hs
@@ -409,6 +409,7 @@ checkPackageDescription
           extraSrcFiles_
           extraTmpFiles_
           extraDocFiles_
+          extraFiles_
         ) = do
     -- § Sanity checks.
     checkPackageId package_
@@ -456,6 +457,7 @@ checkPackageDescription
     mapM_ (checkPath False "extra-source-files" PathKindGlob . getSymbolicPath) extraSrcFiles_
     mapM_ (checkPath False "extra-tmp-files" PathKindFile . getSymbolicPath) extraTmpFiles_
     mapM_ (checkPath False "extra-doc-files" PathKindGlob . getSymbolicPath) extraDocFiles_
+    mapM_ (checkPath False "extra-files" PathKindGlob . getSymbolicPath) extraFiles_
     mapM_ (checkPath False "data-files" PathKindGlob . getSymbolicPath) dataFiles_
     let rawDataDir = getSymbolicPath dataDir_
     checkPath True "data-dir" PathKindDirectory rawDataDir
@@ -465,15 +467,17 @@ checkPackageDescription
 
     -- § Globs.
     dataGlobs <- mapM (checkGlob "data-files" . getSymbolicPath) dataFiles_
-    extraGlobs <- mapM (checkGlob "extra-source-files" . getSymbolicPath) extraSrcFiles_
+    extraSrcGlobs <- mapM (checkGlob "extra-source-files" . getSymbolicPath) extraSrcFiles_
     docGlobs <- mapM (checkGlob "extra-doc-files" . getSymbolicPath) extraDocFiles_
+    extraGlobs <- mapM (checkGlob "extra-files" . getSymbolicPath) extraFiles_
     -- We collect globs to feed them to checkMissingDocs.
 
     -- § Missing documentation.
     checkMissingDocs
       (catMaybes dataGlobs)
-      (catMaybes extraGlobs)
+      (catMaybes extraSrcGlobs)
       (catMaybes docGlobs)
+      (catMaybes extraGlobs)
 
     -- § Datafield checks.
     checkSetupBuildInfo setupBuildInfo_
@@ -519,6 +523,7 @@ checkPackageDescription
     checkCabalFile (packageName pkg)
     mapM_ (checkGlobFile specVersion_ "." "extra-source-files" . getSymbolicPath) extraSrcFiles_
     mapM_ (checkGlobFile specVersion_ "." "extra-doc-files" . getSymbolicPath) extraDocFiles_
+    mapM_ (checkGlobFile specVersion_ "." "extra-files" . getSymbolicPath) extraFiles_
     mapM_ (checkGlobFile specVersion_ rawDataDir "data-files" . getSymbolicPath) dataFiles_
     where
       checkNull
@@ -985,8 +990,9 @@ checkMissingDocs
   => [Glob] -- data-files globs.
   -> [Glob] -- extra-source-files globs.
   -> [Glob] -- extra-doc-files globs.
+  -> [Glob] -- extra-files globs.
   -> CheckM m ()
-checkMissingDocs dgs esgs edgs = do
+checkMissingDocs dgs esgs edgs efgs = do
   extraDocSupport <- (>= CabalSpecV1_18) <$> asksCM ccSpecVersion
 
   -- Everything in this block uses CheckPreDistributionOps interface.
@@ -1005,9 +1011,10 @@ checkMissingDocs dgs esgs edgs = do
         rgs <- realGlob dgs
         res <- realGlob esgs
         red <- realGlob edgs
+        ref <- realGlob efgs
 
         -- 3. Check if anything in 1. is missing in 2.
-        let mcs = checkDoc extraDocSupport des (rgs ++ res ++ red)
+        let mcs = checkDoc extraDocSupport des (rgs ++ res ++ red ++ ref)
 
         -- 4. Check if files are present but in the wrong field.
         let pcsData = checkDocMove extraDocSupport "data-files" des rgs
diff --git a/Cabal/src/Distribution/Simple/SrcDist.hs b/Cabal/src/Distribution/Simple/SrcDist.hs
index eb9096271ef..67f901bf7fb 100644
--- a/Cabal/src/Distribution/Simple/SrcDist.hs
+++ b/Cabal/src/Distribution/Simple/SrcDist.hs
@@ -264,6 +264,10 @@ listPackageSources' verbosity rip mbWorkDir pkg_descr pps =
         $ \filename ->
           fmap (coerceSymbolicPath . relativeSymbolicPath)
             <$> matchDirFileGlobWithDie verbosity rip (specVersion pkg_descr) mbWorkDir filename
+    , -- Extra files.
+      fmap concat . for (extraFiles pkg_descr) $ \fpath ->
+        fmap relativeSymbolicPath
+          <$> matchDirFileGlobWithDie verbosity rip (specVersion pkg_descr) mbWorkDir fpath
     , -- License file(s).
       return (map (relativeSymbolicPath . coerceSymbolicPath) $ licenseFiles pkg_descr)
     , -- Install-include files, without autogen-include files
diff --git a/cabal-testsuite/PackageTests/SDist/T8817/cabal.out b/cabal-testsuite/PackageTests/SDist/T8817/cabal.out
new file mode 100644
index 00000000000..c99d15276fe
--- /dev/null
+++ b/cabal-testsuite/PackageTests/SDist/T8817/cabal.out
@@ -0,0 +1,2 @@
+# cabal v2-sdist
+Wrote tarball sdist to <ROOT>/t8817-0.tar.gz
diff --git a/cabal-testsuite/PackageTests/SDist/T8817/cabal.project b/cabal-testsuite/PackageTests/SDist/T8817/cabal.project
new file mode 100644
index 00000000000..f69442ca765
--- /dev/null
+++ b/cabal-testsuite/PackageTests/SDist/T8817/cabal.project
@@ -0,0 +1 @@
+packages: pkg/*.cabal
diff --git a/cabal-testsuite/PackageTests/SDist/T8817/cabal.test.hs b/cabal-testsuite/PackageTests/SDist/T8817/cabal.test.hs
new file mode 100644
index 00000000000..1fca4955b48
--- /dev/null
+++ b/cabal-testsuite/PackageTests/SDist/T8817/cabal.test.hs
@@ -0,0 +1,17 @@
+import Test.Cabal.Prelude
+
+main = cabalTest $ do
+  tmpdir <- fmap testTmpDir getTestEnv
+
+  cabal "v2-sdist" ["--output-directory", tmpdir, "all"]
+
+  let distTarPath = tmpdir </> "t8817-0.tar.gz"
+      distExtractedPath = tmpdir </> "t8817-0"
+
+  shouldExist distTarPath
+
+  tar ["-xzf", distTarPath]
+
+  shouldExist (distExtractedPath </> "f1")
+  shouldExist (distExtractedPath </> "d1" </> "f2.txt")
+  shouldExist (distExtractedPath </> "d1" </> "f3.txt")
diff --git a/cabal-testsuite/PackageTests/SDist/T8817/pkg/Main.hs b/cabal-testsuite/PackageTests/SDist/T8817/pkg/Main.hs
new file mode 100644
index 00000000000..4233a67ecdd
--- /dev/null
+++ b/cabal-testsuite/PackageTests/SDist/T8817/pkg/Main.hs
@@ -0,0 +1 @@
+main = putStrLn "hi"
diff --git a/cabal-testsuite/PackageTests/SDist/T8817/pkg/d1/f2.txt b/cabal-testsuite/PackageTests/SDist/T8817/pkg/d1/f2.txt
new file mode 100644
index 00000000000..9de77c18733
--- /dev/null
+++ b/cabal-testsuite/PackageTests/SDist/T8817/pkg/d1/f2.txt
@@ -0,0 +1 @@
+f2
diff --git a/cabal-testsuite/PackageTests/SDist/T8817/pkg/d1/f3.txt b/cabal-testsuite/PackageTests/SDist/T8817/pkg/d1/f3.txt
new file mode 100644
index 00000000000..45d9e0e9fc8
--- /dev/null
+++ b/cabal-testsuite/PackageTests/SDist/T8817/pkg/d1/f3.txt
@@ -0,0 +1 @@
+f3
diff --git a/cabal-testsuite/PackageTests/SDist/T8817/pkg/f1 b/cabal-testsuite/PackageTests/SDist/T8817/pkg/f1
new file mode 100644
index 00000000000..8e1e71d5ce3
--- /dev/null
+++ b/cabal-testsuite/PackageTests/SDist/T8817/pkg/f1
@@ -0,0 +1 @@
+f1
diff --git a/cabal-testsuite/PackageTests/SDist/T8817/pkg/t8817.cabal b/cabal-testsuite/PackageTests/SDist/T8817/pkg/t8817.cabal
new file mode 100644
index 00000000000..b5f76c10aab
--- /dev/null
+++ b/cabal-testsuite/PackageTests/SDist/T8817/pkg/t8817.cabal
@@ -0,0 +1,11 @@
+cabal-version: 2.2
+name: t8817
+version: 0
+
+extra-files:
+  d1/*.txt
+  f1
+
+executable foo
+  default-language: Haskell2010
+  main-is: Main.hs
diff --git a/changelog.d/issue-8817 b/changelog.d/issue-8817
new file mode 100644
index 00000000000..fb04f3d6f3a
--- /dev/null
+++ b/changelog.d/issue-8817
@@ -0,0 +1,12 @@
+synopsis: Neutral field to add files to sdist
+packages: Cabal-syntax
+prs: #10107
+issues: #8817
+significance: significant
+
+description: {
+  Adds the `extra-files` field to the cabal file specification. This is like
+  the other `extra-*` fields (e.g. `extra-source-files`, `extra-doc-files`)
+  exception it does _not_ add any other semantics (cf. `extra-source-files`
+  is tracked by `cabal build`).
+}
diff --git a/doc/buildinfo-fields-reference.rst b/doc/buildinfo-fields-reference.rst
index cfabe5ee448..a289292945a 100644
--- a/doc/buildinfo-fields-reference.rst
+++ b/doc/buildinfo-fields-reference.rst
@@ -595,6 +595,14 @@ extra-doc-files
     .. math::
         \mathrm{commalist}\left\{ \mathop{\mathit{hs\text{-}string}}\mid{{[\mathop{\mathord{``}\mathtt{\ }\mathord{"}}\mathop{\mathord{``}\mathtt{\text{,}}\mathord{"}}]^c}}^+_{} \right\}
 
+extra-files
+    * Monoidal field
+    * Available since ``cabal-version: 3.14``.
+    * Documentation of :pkg-field:`extra-files`
+
+    .. math::
+        \mathrm{commalist}\left\{ \mathop{\mathit{hs\text{-}string}}\mid{{[\mathop{\mathord{``}\mathtt{\ }\mathord{"}}\mathop{\mathord{``}\mathtt{\text{,}}\mathord{"}}]^c}}^+_{} \right\}
+
 extra-source-files
     * Monoidal field
     * Documentation of :pkg-field:`extra-source-files`
diff --git a/doc/cabal-package-description-file.rst b/doc/cabal-package-description-file.rst
index 710765c6f1e..2d08c8ae5fd 100644
--- a/doc/cabal-package-description-file.rst
+++ b/doc/cabal-package-description-file.rst
@@ -799,6 +799,11 @@ describe the package as a whole:
     additional hooks, such as the scheme described in the section on
     `system-dependent parameters`_.
 
+.. pkg-field:: extra-files: filename list
+
+    A list of additional files to be included in source distributions built with :ref:`setup-sdist`.
+    As with :pkg-field:`data-files` it can use a limited form of ``*`` wildcards in file names.
+
 Library
 ^^^^^^^
 
diff --git a/doc/file-format-changelog.rst b/doc/file-format-changelog.rst
index 854f949b301..e57eb2508fc 100644
--- a/doc/file-format-changelog.rst
+++ b/doc/file-format-changelog.rst
@@ -19,6 +19,13 @@ relative to the respective preceding *published* version.
     versions of the ``Cabal`` library denote unreleased development
     branches which have no stability guarantee.
 
+``cabal-version: 3.14``
+-----------------------
+
+* Added field ``extra-files`` for specifying extra files to be included in
+  ``sdist`` without adding any other semantics (cf. ``extra-source-files``
+  is tracked by ``cabal build``).
+
 ``cabal-version: 3.12``
 -----------------------
 
diff --git a/doc/setup-commands.rst b/doc/setup-commands.rst
index 5ed8077f46b..4babff6f40c 100644
--- a/doc/setup-commands.rst
+++ b/doc/setup-commands.rst
@@ -1385,7 +1385,8 @@ The files placed in this distribution are the package description file,
 the setup script, the sources of the modules named in the package
 description file, and files named in the ``license-file``, ``main-is``,
 ``c-sources``, ``asm-sources``, ``cmm-sources``, ``js-sources``,
-``data-files``, ``extra-source-files`` and ``extra-doc-files`` fields.
+``data-files``, ``extra-source-files``, ``extra-doc-files``, and
+``extra-files`` fields.
 
 This command takes the following option:
 
diff --git a/editors/vim/syntax/cabal.vim b/editors/vim/syntax/cabal.vim
index 119a5ccb767..d3374dbd27f 100644
--- a/editors/vim/syntax/cabal.vim
+++ b/editors/vim/syntax/cabal.vim
@@ -80,6 +80,7 @@ syn keyword cabalFieldName contained
   \ extra-bundled-libraries
   \ extra-doc-files
   \ extra-dynamic-library-flavours
+  \ extra-files
   \ extra-framework-dirs
   \ extra-ghci-libraries
   \ extra-lib-dirs