Merge pull request #18 from dritter/dritter/show_stash_count

Show stash count for git.

README.md

@@ -15,6 +15,7 @@ information in configurable prompt segments.
     * branch / tag name
     * current action status (rebasing, merging, etc.,)
     * being behind / ahead of your remote by some number of commits
+    * number of stashes (git only)
     * conditionally shows remote tracking branch if the name differs from local
     * various working tree statuses (e.g., unstaged, staged, etc.,)
 * Shows return-code of the last command if it is an error code
@@ -119,6 +120,17 @@ Example:
     # just show the 6 first characters of changeset
     POWERLEVEL9K_CHANGESET_HASH_LENGTH=6
 
+##### Symbols
+
+The `vcs` segment uses various symbols to tell you the state of your repository:
+
+* `↑4` - The number of commits your repository is ahead of your remote branch
+* `↓5` - The number of commits your repository is behind of your remote branch
+* `⍟3` - The number of stashes, here 3.
+* `●`  - There are unstaged changes in your working copy
+* `✚`  - There are staged changes in your working copy
+* `?`  - There are files in your working copy, that are unknown to your repository
+
 ### Styling
 
 You can configure the look and feel of your prompt easily with some built-in

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