Added initial jnrowe theme.

themes/jnrowe.zsh-theme

+autoload -U add-zsh-hook
+autoload -Uz vcs_info
+
+zstyle ':vcs_info:*' actionformats \
+    '%F{5}(%f%s%F{5})%F{3}-%F{5}[%F{2}%b%F{3}|%F{1}%a%F{5}]%f '
+zstyle ':vcs_info:*' formats \
+    '%F{2}%s%F{7}:%F{2}(%F{1}%b%F{2})%f '
+zstyle ':vcs_info:(sv[nk]|bzr):*' branchformat '%b%F{1}:%F{3}%r'
+zstyle ':vcs_info:*' enable git
+
+add-zsh-hook precmd prompt_jnrowe_precmd
+
+prompt_jnrowe_precmd () {
+    vcs_info
+
+    if [ "${vcs_info_msg_0_}" = "" ]; then
+        dir_status="%F{2}→%f"
+    elif [[ $(git diff --cached --name-status 2>/dev/null ) != "" ]]; then
+        dir_status="%F{1}▶%f"
+    elif [[ $(git diff --name-status 2>/dev/null ) != "" ]]; then
+        dir_status="%F{3}▶%f"
+    else
+        dir_status="%F{2}▶%f"
+    fi
+}
+
+local ret_status="%(?:%{$fg_bold[green]%}Ξ:%{$fg_bold[red]%}%S↑%s%?)"
+
+PROMPT='${ret_status}%{$fg_bold[green]%}%p %{$fg_bold[yellow]%}%2~ ${vcs_info_msg_0_}${dir_status}%{$reset_color%} '
+
+#  vim: set ft=zsh ts=4 sw=4 et: