Git: Show stashed changes.

powerlevel9k.zsh-theme

@@ -71,7 +71,7 @@ zstyle ':vcs_info:*' actionformats " %b %F{red}| %a%f"
 zstyle ':vcs_info:*' stagedstr " %F{$DEFAULT_COLOR}$VCS_STAGED_ICON%f"
 zstyle ':vcs_info:*' unstagedstr " %F{$DEFAULT_COLOR}$VCS_UNSTAGED_ICON%f"
 
-zstyle ':vcs_info:git*+set-message:*' hooks git-untracked git-aheadbehind git-remotebranch git-tagname
+zstyle ':vcs_info:git*+set-message:*' hooks git-untracked git-aheadbehind git-stash git-remotebranch git-tagname
 
 # For Hg, only show the branch name
 zstyle ':vcs_info:hg*:*' branchformat "%b"
@@ -208,6 +208,17 @@ function +vi-git-tagname() {
     [[ -n ${tag} ]] && hook_com[branch]=" %F{$DEFAULT_COLOR}${tag}%f"
 }
 
+# Show count of stashed changes
+# Port from https://github.com/whiteinge/dotfiles/blob/5dfd08d30f7f2749cfc60bc55564c6ea239624d9/.zsh_shouse_prompt#L268
+function +vi-git-stash() {
+  local -a stashes
+
+  if [[ -s $(git rev-parse --git-dir)/refs/stash ]] ; then
+    stashes=$(git stash list 2>/dev/null | wc -l)
+    hook_com[misc]+=" %F{$DEFAULT_COLOR}⍟${stashes}%f"
+  fi
+}
+
 function +vi-vcs-detect-changes() {
   if [[ -n ${hook_com[staged]} ]] || [[ -n ${hook_com[unstaged]} ]]; then
     VCS_WORKDIR_DIRTY=true