zstyle ':vcs_info:*' unstagedstr '¹'
zstyle ':vcs_info:*' stagedstr '²'
+ # Default to running vcs_info. If possible we prevent running it later for
+ # speed reasons. If set to a non empty value vcs_info is run.
+ FORCE_RUN_VCS_INFO=1
+
+ # Cache system inspired by Bart Trojanowski
+ # (http://jukie.net/~bart/blog/pimping-out-zsh-prompt).
+ #zstyle ':vcs_info:*+pre-get-data:*' hooks pre-get-data
+ +vi-pre-get-data() {
+ # Only Git and Mercurial support and need caching. Abort if any other
+ # VCS is used.
+ [[ "$vcs" != git && "$vcs" != hg ]] && return
+
+ # If the shell just started up or we changed directories (or for other
+ # custom reasons) we must run vcs_info.
+ if [[ -n $FORCE_RUN_VCS_INFO ]]; then
+ FORCE_RUN_VCS_INFO=
+ return
+ fi
+
+ # Don't run vcs_info by default to speed up the shell.
+ ret=1
+ # If a git/hg command was run then run vcs_info as the status might
+ # need to be updated.
+ case "$(fc -ln $(($HISTCMD-1)))" in
+ git* | g\ *)
+ ret=0
+ ;;
+ hg*)
+ ret=0
+ ;;
+ esac
+ }
+
+ # Must run vcs_info when changing directories.
+ prompt_chpwd() {
+ FORCE_RUN_VCS_INFO=1
+ }
+ add-zsh-hook chpwd prompt_chpwd
+
# Call vcs_info as precmd before every prompt.
prompt_precmd() {
vcs_info