Add guru theme

themes/guru.zsh-theme

+#-------------------------------------------------------------------------------
+# Guru theme for oh-my-zsh by Adam Lindberg
+# (Needs Git plugin for current_branch method)
+#-------------------------------------------------------------------------------
+
+
+# Color shortcuts
+R=$fg[red]
+Y=$fg[yellow]
+G=$fg[green]
+M=$fg[magenta]
+W=$fg[white]
+B=$fg[black]
+RB=$fg_bold[red]
+YB=$fg_bold[yellow]
+GB=$fg_bold[green]
+MB=$fg_bold[magenta]
+WB=$fg_bold[white]
+BB=$fg_bold[black]
+RESET=$reset_color
+
+if [ "$(whoami)" = "root" ]; then
+    PROMPTCOLOR="%{$RB%}" PREFIX="-!-";
+else
+    PROMPTCOLOR="%{$BB%}" PREFIX="---";
+fi
+
+local return_code="%(?..%{$R%}%? ↵%{$RESET%})"
+
+GIT_PREFIX="%{$YB%}‹"
+GIT_SUFFIX="%{$YB%}›"
+
+# Get the status of the working tree (copied and modified from git.zsh)
+custom_git_prompt_status() {
+  INDEX=$(git status --porcelain 2> /dev/null)
+  STATUS=""
+  # Non-staged
+  if $(echo "$INDEX" | grep '^?? ' &> /dev/null); then
+    STATUS="$ZSH_THEME_GIT_PROMPT_UNTRACKED$STATUS"
+  fi
+  if $(echo "$INDEX" | grep '^UU ' &> /dev/null); then
+    STATUS="$ZSH_THEME_GIT_PROMPT_UNMERGED$STATUS"
+  fi
+  if $(echo "$INDEX" | grep '^ D ' &> /dev/null); then
+    STATUS="$ZSH_THEME_GIT_PROMPT_DELETED$STATUS"
+  fi
+  if $(echo "$INDEX" | grep '^ M ' &> /dev/null); then
+    STATUS="$ZSH_THEME_GIT_PROMPT_MODIFIED$STATUS"
+  elif $(echo "$INDEX" | grep '^AM ' &> /dev/null); then
+    STATUS="$ZSH_THEME_GIT_PROMPT_MODIFIED$STATUS"
+  elif $(echo "$INDEX" | grep '^ T ' &> /dev/null); then
+    STATUS="$ZSH_THEME_GIT_PROMPT_MODIFIED$STATUS"
+  fi
+  # Staged
+  if $(echo "$INDEX" | grep '^D  ' &> /dev/null); then
+    STATUS="$ZSH_THEME_GIT_PROMPT_STAGED_DELETED$STATUS"
+  fi
+  if $(echo "$INDEX" | grep '^R  ' &> /dev/null); then
+    STATUS="$ZSH_THEME_GIT_PROMPT_STAGED_RENAMED$STATUS"
+  fi
+  if $(echo "$INDEX" | grep '^M  ' &> /dev/null); then
+    STATUS="$ZSH_THEME_GIT_PROMPT_STAGED_MODIFIED$STATUS"
+  fi
+  if $(echo "$INDEX" | grep '^A' &> /dev/null); then
+    STATUS="$ZSH_THEME_GIT_PROMPT_STAGED_ADDED$STATUS"
+  fi
+  echo $STATUS
+}
+
+# get the name of the branch we are on (copied and modified from git.zsh)
+function custom_git_prompt() {
+  ref=$(git symbolic-ref HEAD 2> /dev/null) || return
+  echo "$ZSH_THEME_GIT_PROMPT_PREFIX${ref#refs/heads/}$(git_prompt_ahead)$(parse_git_dirty)$(custom_git_prompt_status)$ZSH_THEME_GIT_PROMPT_SUFFIX"
+}
+
+PROMPT='${PROMPTCOLOR}$PREFIX %2~ $(custom_git_prompt)%{$M%}%B»%b%{$RESET%} '
+RPS1="${return_code}"
+
+ZSH_THEME_GIT_PROMPT_PREFIX="%{$YB%}‹"
+ZSH_THEME_GIT_PROMPT_SUFFIX="%{$YB%}›%{$RESET%} "
+
+ZSH_THEME_GIT_PROMPT_AHEAD="%{$BB%}➝"
+
+# Staged
+ZSH_THEME_GIT_PROMPT_STAGED_ADDED="%{$G%}A"
+ZSH_THEME_GIT_PROMPT_STAGED_MODIFIED="%{$G%}M"
+ZSH_THEME_GIT_PROMPT_STAGED_RENAMED="%{$G%}R"
+ZSH_THEME_GIT_PROMPT_STAGED_DELETED="%{$G%}D"
+
+# Not-staged
+ZSH_THEME_GIT_PROMPT_UNTRACKED="%{$R%}??"
+ZSH_THEME_GIT_PROMPT_MODIFIED="%{$R%}M"
+ZSH_THEME_GIT_PROMPT_DELETED="%{$R%}D"
+ZSH_THEME_GIT_PROMPT_UNMERGED="%{$R%}UU"
+
+ZSH_THEME_GIT_PROMPT_DIRTY="%{$R%}* "
+
+ZSH_THEME_GIT_PROMPT_CLEAN=""