Update 2 files: bootstrap.sh, functions.zsh

bootstrap.sh

@@ -142,7 +142,14 @@ update_repo() {
   local TARGET_DIR="$HOME/.config/dotstate/storage"
 
   if [[ -d "$TARGET_DIR/.git" ]]; then
-      info "Repository exists. Pulling updates..."
+      local remote_sha local_sha
+      remote_sha=$(git ls-remote origin HEAD | awk '{print $1}')
+      local_sha=$(git -C "$TARGET_DIR" rev-parse HEAD)
+      if [[ "$remote_sha" == "$local_sha" ]]; then
+          info "Repository up to date"
+          return 0
+      fi
+      info "Repository out of date. Pulling updates..."
       git -C "$TARGET_DIR" pull &>/dev/null
   else
       info "Repository not found. Cloning..."