Add scripts for setting up and resetting the project

scripts/reset.sh

@@ -0,0 +1,38 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+REQUIRED_COMMANDS=(git grep)
+MISSING_COMMANDS=false
+for cmd in "${REQUIRED_COMMANDS[@]}"; do
+  if ! command -v "$cmd" &> /dev/null; then
+    echo "$cmd could not be found" >&2
+    MISSING_COMMANDS=true
+  fi
+done
+if [ "$MISSING_COMMANDS" = true ]; then
+  exit 1
+fi
+
+declare -r GIT_TREE_IS_DIRTY="$(
+  if ! git diff --quiet --ignore-submodules \
+     || git ls-files --others --exclude-standard | grep -q .; then
+    echo 1
+  else
+    echo 0
+  fi
+)"
+
+if [ "$GIT_TREE_IS_DIRTY" == "1" ]; then
+  echo "Git working tree is dirty, refusing to reset" >&2
+  exit 1
+fi
+
+declare -r PROJECT_ROOT="$(git rev-parse --show-toplevel)"
+
+(
+  cd "$PROJECT_ROOT"
+  git clean -fdx
+)
+
+"$PROJECT_ROOT/scripts/setup.sh"