Added plutus preprocessor generating script

Author: Soupstraw

.github/PULL_REQUEST_TEMPLATE.md

@@ -16,5 +16,6 @@ to the issue. -->
       **NOTE: _If bounds change in a cabal file, that package itself must have a version increase._** (See [RELEASING.md](https://github.com/intersectmbo/cardano-ledger/blob/master/RELEASING.md#versioning-process)).
 - [x] Code formatted (use `scripts/fourmolize.sh`).
 - [x] Cabal files formatted (use `scripts/cabal-format.sh`).
+- [x] CDDL files are up to date (use `scripts/gen-cddl.sh`)
 - [x] [`hie.yaml`](https://github.com/intersectmbo/cardano-ledger/blob/master/hie.yaml) updated (use `scripts/gen-hie.sh`).
 - [ ] Self-reviewed the diff.

.github/workflows/haskell.yml

@@ -387,7 +387,7 @@ jobs:
     - name: Run fourmolu
       run: ./scripts/fourmolize.sh
 
-  gen-cddl:
+  codegen:
     needs: build
 
     runs-on: ubuntu-latest
@@ -400,7 +400,7 @@ jobs:
       SECP256K1_REF: ac83be33d0956faf6b7f61a60ab524ef7d6a473a
 
       SECP_CACHE_VERSION: "2022-12-30"
-      ghc-version: "9.10.1"
+      ghc-version: "9.6.7"
       os: ubuntu-latest
 
     defaults:
@@ -474,6 +474,9 @@ jobs:
     - name: Run gen-cddl
       run: ./scripts/gen-cddl.sh
 
+    - name: Run gen-plutus
+      run: ./scripts/gen-plutus.sh
+
   cabal-format:
     runs-on: ubuntu-latest
 

scripts/gen-plutus.sh

@@ -0,0 +1,9 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+echo "Generating plutus examples..."
+cabal run plutus-preprocessor
+echo "Regenerated plutus examples"
+
+git diff --exit-code