Update nix flake inputs structure and add rv-nix-tools to dependency update workflow (#217)

* adapt nix flake inputs for `rv-nix-tools` and `nixpkgs`

* adapt `update-version.yml` workflow for `rv-nix-tools`

Author: juliankuners

.github/workflows/update-version.yml

@@ -3,6 +3,7 @@ on:
   push:
     branches:
       - '_update-deps/runtimeverification/k'
+      - '_update-deps/runtimeverification/rv-nix-tools'
   workflow_dispatch:
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}
@@ -42,7 +43,9 @@ jobs:
       - name: 'Update Nix flake inputs'
         run: |
           K_VERSION=v"$(cat deps/k_release)"
+          RV_NIX_TOOLS_VERSION=$(cat deps/rv-nix-tools)
           sed -i 's!    k-framework.url = "github:runtimeverification/k/v[[:digit:]]\+\.[[:digit:]]\+\.[[:digit:]]\+"!    k-framework.url = "github:runtimeverification/k/'"${K_VERSION}"'"!' flake.nix
+          sed -i 's!    rv-nix-tools.url = "github:runtimeverification/rv-nix-tools/[a-z0-9\.]*"!    rv-nix-tools.url = "github:runtimeverification/rv-nix-tools/'"${RV_NIX_TOOLS_VERSION}"'"!' flake.nix
           nix flake update
           git add flake.nix flake.lock && git commit -m 'flake.{nix,lock}: update Nix derivations' || true
 

deps/rv-nix-tools

@@ -0,0 +1 @@
+854d4f05ea78547d46e807b414faad64cea10ae4

flake.lock

@@ -2,11 +2,14 @@
   description = "Blockchain K plugin";
 
   inputs = {
+    rv-nix-tools.url = "github:runtimeverification/rv-nix-tools/854d4f05ea78547d46e807b414faad64cea10ae4";
+    nixpkgs.follows = "rv-nix-tools/nixpkgs";
+
     k-framework.url = "github:runtimeverification/k/v7.1.257";
-    nixpkgs.follows = "k-framework/nixpkgs";
+    k-framework.inputs.nixpkgs.follows = "nixpkgs";
     flake-utils.follows = "k-framework/flake-utils";
-    rv-utils.follows = "k-framework/rv-utils";
     poetry2nix.follows = "k-framework/poetry2nix";
+    poetry2nix.inputs.nixpkgs.follows = "nixpkgs";
 
     cpp-httplib = {
       url =
@@ -39,7 +42,7 @@
       flake = false;
     };
   };
-  outputs = { self, nixpkgs, k-framework, poetry2nix, flake-utils, rv-utils
+  outputs = { self, nixpkgs, k-framework, poetry2nix, flake-utils, rv-nix-tools
     , cpp-httplib, cryptopp, libff, ate-pairing, xbyak
     , ckzg4844, blst, ... }@inputs:
     let