Flatten nested Rust projects into monorepo

cleanup.sh

@@ -0,0 +1,75 @@
+#!/bin/bash
+
+# This script assumes you're in the monorepo root directory.
+# It will:
+# - Remove nested .git folders
+# - Remove subproject .gitignore files (if present)
+# - Optionally create or update the workspace Cargo.toml
+# - Add the projects to your root Git repo
+
+set -e
+
+echo "🔧 Flattening nested Rust projects into a monorepo..."
+
+# Gather all Rust subprojects
+projects=()
+for dir in */Cargo.toml; do
+  project=$(dirname "$dir")
+  projects+=("$project")
+
+  # Remove nested Git repo
+  if [ -d "$project/.git" ]; then
+    echo "❌ Removing nested Git repo in $project"
+    rm -rf "$project/.git"
+  fi
+
+  # Optionally remove local .gitignore (you can comment this out if needed)
+  if [ -f "$project/.gitignore" ]; then
+    echo "❌ Removing $project/.gitignore"
+    rm -f "$project/.gitignore"
+  fi
+done
+
+# Create .gitignore in root if missing
+if [ ! -f .gitignore ]; then
+  echo "📄 Creating root .gitignore"
+  cat > .gitignore <<EOF
+**/target/
+**/*.o
+**/*.d
+**/*.exe
+**/*.log
+**/*.rlib
+**/*.dylib
+**/*.so
+**/.DS_Store
+**/.vscode/
+**/.idea/
+EOF
+fi
+
+# Create root Cargo.toml workspace
+if [ ! -f Cargo.toml ]; then
+  echo "📄 Creating root Cargo.toml"
+  echo "[workspace]" > Cargo.toml
+  echo "members = [" >> Cargo.toml
+  for project in "${projects[@]}"; do
+    echo "  \"$project\"," >> Cargo.toml
+  done
+  echo "]" >> Cargo.toml
+else
+  echo "⚠️  Cargo.toml already exists at root. You may need to manually add workspace members."
+fi
+
+# Init root Git repo if not already
+if [ ! -d .git ]; then
+  echo "🔁 Initializing new root Git repo"
+  git init
+fi
+
+# Add and commit
+git add .
+git commit -m "Flatten nested Rust projects into monorepo"
+
+echo "✅ Done! Monorepo is clean and ready."
+