init: add code

shell.nix.bak

@@ -0,0 +1,49 @@
+{ pkgs ? import <nixpkgs> {} }:
+
+(pkgs.buildFHSEnv {
+  name = "prisma-v7-shell";
+
+  targetPkgs = pkgs: (with pkgs; [
+    nodejs
+    pnpm
+    openssl
+    zlib
+  ]);
+
+  runScript = "bash";
+
+  profile = ''
+    # 1. Define the correct version and commit for Prisma 7.2.0
+    PRISMA_VERSION="7.2.0"
+    COMMIT="0c8ef2ce45c83248ab3df073180d5eda9e8be7a3"
+    
+    # 2. Setup cache directory
+    CACHE_DIR="$HOME/.cache/prisma-nix-fix/$PRISMA_VERSION"
+    mkdir -p "$CACHE_DIR"
+
+    # 3. Only download schema-engine (REQUIRED for migrations)
+    #    Prisma 7 does not use the Rust query-engine by default, so we skip it to avoid 404s.
+    if [ ! -f "$CACHE_DIR/schema-engine" ]; then
+      echo ">> NixOS Fix: Downloading schema-engine for Prisma $PRISMA_VERSION..."
+      # Use -f to fail silently if the file is missing (though it shouldn't be for schema-engine)
+      curl -fL "https://binaries.prisma.sh/all_commits/$COMMIT/debian-openssl-3.0.x/schema-engine.gz" | gunzip > "$CACHE_DIR/schema-engine"
+      chmod +x "$CACHE_DIR/schema-engine"
+    fi
+
+    # 4. Export the specific variable for the Schema Engine
+    export PRISMA_SCHEMA_ENGINE_BINARY="$CACHE_DIR/schema-engine"
+    
+    # 5. UNSET the query engine variables.
+    #    Prisma 7 will fall back to its internal TypeScript engine (which works fine in FHS).
+    #    If we leave these set to broken files (from the 404s), Prisma crashes.
+    unset PRISMA_QUERY_ENGINE_BINARY
+    unset PRISMA_QUERY_ENGINE_LIBRARY
+    unset PRISMA_FMT_BINARY
+    
+    echo "------------------------------------------------------------"
+    echo "  Prisma 7.x Shell (NixOS)"
+    echo "  - Schema Engine: Pinned to Debian OpenSSL 3.0.x"
+    echo "  - Query Engine:  Using Prisma Default (TypeScript)"
+    echo "------------------------------------------------------------"
+  '';
+}).env