Add case in .zshrc for dumb terminals

.zshrc

@@ -1,14 +1,25 @@
-if [ ! -d $HOME/antigen ]; then
-    git clone https://github.com/zsh-users/antigen.git $HOME/antigen
-fi
+if [[ $TERM == "dumb" ]]; then	# in emacs
+    PS1='%(?..[%?])%!:%~%# '
+    # for tramp to not hang, need the following. cf:
+    # http://www.emacswiki.org/emacs/TrampMode
+    unsetopt zle
+    unsetopt prompt_cr
+    unsetopt prompt_subst
+    unfunction precmd
+    unfunction preexec
+else
 
-source $HOME/antigen/antigen.zsh
+    if [ ! -d $HOME/antigen ]; then
+        git clone https://github.com/zsh-users/antigen.git $HOME/antigen
+    fi
 
-# Load the oh-my-zsh library
-antigen use oh-my-zsh
+    source $HOME/antigen/antigen.zsh
 
-# Bundles from the default repo (robbyrussel's oh-my-zsh)
-antigen-bundles <<EOF
+    # Load the oh-my-zsh library
+    antigen use oh-my-zsh
+
+    # Bundles from the default repo (robbyrussel's oh-my-zsh)
+    antigen-bundles <<EOF
 
 git
 git-extras
@@ -20,12 +31,13 @@ zsh-users/zsh-syntax-highlighting
 
 EOF
 
-# Themes
-antigen-theme kphoen
+    # Themes
+    antigen-theme kphoen
 
-antigen-apply
+    antigen-apply
 
-unsetopt correct_all
+    unsetopt correct_all
+fi
 
 export PATH=$HOME/bin:$PATH
 export EDITOR="emacsclient"