elmPackages: update and run the update.sh script

- Vendored the post-patch script for elm-format.
- Updated `update.sh` and committed the changes.

pkgs/development/compilers/elm/packages/ghc9_6/ansi-wl-pprint/default.nix

@@ -21,6 +21,6 @@ mkDerivation {
     base
   ];
   homepage = "http://github.com/ekmett/ansi-wl-pprint";
-  description = "Wadler/Leijen Pretty Printer for colored ANSI terminal output";
+  description = "The Wadler/Leijen Pretty Printer for colored ANSI terminal output";
   license = lib.licenses.bsd3;
 }

pkgs/development/compilers/elm/packages/ghc9_6/elm/default.nix

@@ -83,7 +83,7 @@ mkDerivation {
     zip-archive
   ];
   homepage = "https://elm-lang.org";
-  description = "`elm` command line interface";
+  description = "The `elm` command line interface";
   license = lib.licenses.bsd3;
   mainProgram = "elm";
 }

pkgs/development/compilers/elm/packages/ghc9_8/default.nix

@@ -8,12 +8,19 @@ pkgs.haskell.packages.ghc98.override {
       inherit (pkgs.haskell.lib.compose) justStaticExecutables overrideCabal;
 
       elmPkgs = {
-        /*
-          The elm-format expression is updated via a script in the https://github.com/avh4/elm-format repo:
-          `package/nix/build.sh`
-        */
+        # Post-patch override taken from the upstream repository:
+        # https://github.com/avh4/elm-format/blob/e7e5da37716acbfb4954a88128b5cc72b2c911d9/package/nix/generate_derivation.sh
         elm-format = justStaticExecutables (
           overrideCabal (drv: {
+            postPatch = ''
+              mkdir -p ./generated
+              cat <<EOHS > ./generated/Build_elm_format.hs
+              module Build_elm_format where
+              gitDescribe :: String
+              gitDescribe = "${drv.version}"
+              EOHS
+            '';
+
             homepage = "https://github.com/avh4/elm-format";
             maintainers = with lib.maintainers; [
               avh4

pkgs/development/compilers/elm/packages/ghc9_8/elm-format/elm-format.nix

@@ -20,13 +20,13 @@
   tasty-quickcheck,
   text,
 }:
-mkDerivation rec {
+mkDerivation {
   pname = "elm-format";
   version = "0.8.8";
   src = fetchgit {
     url = "https://github.com/avh4/elm-format";
-    sha256 = "0klhnfvy1l6mck46qwk6pp4d66cvj0m5w91ylghdcr4fb6ka1gp0";
-    rev = "b06902f1e450f8be1e7b318caab7ccb1950893fa";
+    sha256 = "13i1wgva6p9zsx1a7sfb3skc0rv187isb920chkhljyh48c12k8l";
+    rev = "d07fddc8c0eef412dba07be4ab8768d6abcca796";
     fetchSubmodules = true;
   };
   isLibrary = false;
@@ -66,13 +66,4 @@ mkDerivation rec {
   description = "A source code formatter for Elm";
   license = lib.licenses.bsd3;
   mainProgram = "elm-format";
-  postPatch = ''
-    mkdir -p ./generated
-    cat <<EOHS > ./generated/Build_elm_format.hs
-    module Build_elm_format where
-
-    gitDescribe :: String
-    gitDescribe = "${version}"
-    EOHS
-  '';
 }

pkgs/development/compilers/elm/update.sh

@@ -3,10 +3,10 @@
 
 # Update all cabal packages.
 for subpath in 'avh4-lib' 'elm-format-lib' 'elm-format-markdown' 'elm-format-test-lib'; do
-  cabal2nix 'https://github.com/avh4/elm-format' --revision '0.8.7' \
-    --subpath $subpath > packages/ghc9_2/elm-format/${subpath}.nix
+  cabal2nix --no-haddock 'https://github.com/avh4/elm-format' --revision '0.8.8' \
+    --subpath $subpath > packages/ghc9_8/elm-format/${subpath}.nix
 done
-cabal2nix 'https://github.com/avh4/elm-format' --revision '0.8.7' > packages/ghc9_2/elm-format/elm-format.nix
+cabal2nix --no-haddock 'https://github.com/avh4/elm-format' --revision '0.8.8' > packages/ghc9_8/elm-format/elm-format.nix
 cabal2nix 'https://github.com/ekmett/ansi-wl-pprint' --revision 'v0.6.8.1' > packages/ghc9_6/ansi-wl-pprint/default.nix
 
 # We're building binaries from commit that npm installer is using since