Merge pull request #198 from dritter/vcs_customizable

VCS-hooks customizable

powerlevel9k.zsh-theme

@@ -763,8 +763,10 @@ prompt_vcs() {
   zstyle ':vcs_info:*' stagedstr " %F{$POWERLEVEL9K_VCS_FOREGROUND}$(print_icon 'VCS_STAGED_ICON')%f"
   zstyle ':vcs_info:*' unstagedstr " %F{$POWERLEVEL9K_VCS_FOREGROUND}$(print_icon 'VCS_UNSTAGED_ICON')%f"
 
-  zstyle ':vcs_info:git*+set-message:*' hooks vcs-detect-changes git-untracked git-aheadbehind git-stash git-remotebranch git-tagname
-  zstyle ':vcs_info:hg*+set-message:*' hooks vcs-detect-changes
+  defined POWERLEVEL9K_VCS_GIT_HOOKS || POWERLEVEL9K_VCS_GIT_HOOKS=(vcs-detect-changes git-untracked git-aheadbehind git-stash git-remotebranch git-tagname)
+  zstyle ':vcs_info:git*+set-message:*' hooks $POWERLEVEL9K_VCS_GIT_HOOKS
+  defined POWERLEVEL9K_VCS_HG_HOOKS || POWERLEVEL9K_VCS_HG_HOOKS=(vcs-detect-changes)
+  zstyle ':vcs_info:hg*+set-message:*' hooks $POWERLEVEL9K_VCS_HG_HOOKS
 
   # For Hg, only show the branch name
   zstyle ':vcs_info:hg*:*' branchformat "$(print_icon 'VCS_BRANCH_ICON')%b"