fix agnoster.zsh-theme breaking. pulling from main gist: https://gist.github.com/3712874.git

themes/agnoster.zsh-theme

@@ -26,7 +26,7 @@
 # A few utility functions to make it easy and re-usable to draw segmented prompts
 
 CURRENT_BG='NONE'
-SEGMENT_SEPARATOR=''
+SEGMENT_SEPARATOR='⮀'
 
 # Begin a segment
 # Takes two arguments, background and foreground. Both can be omitted,
@@ -71,6 +71,7 @@ prompt_context() {
 prompt_git() {
   local ref dirty
   if $(git rev-parse --is-inside-work-tree >/dev/null 2>&1); then
+    ZSH_THEME_GIT_PROMPT_DIRTY='±'
     dirty=$(parse_git_dirty)
     ref=$(git symbolic-ref HEAD 2> /dev/null) || ref="➦ $(git show-ref --head -s --abbrev |head -n1 2> /dev/null)"
     if [[ -n $dirty ]]; then
@@ -78,70 +79,15 @@ prompt_git() {
     else
       prompt_segment green black
     fi
-
-    setopt promptsubst
-    autoload -Uz vcs_info
-
-    zstyle ':vcs_info:*' enable git
-    zstyle ':vcs_info:*' get-revision true
-    zstyle ':vcs_info:*' check-for-changes true
-    zstyle ':vcs_info:*' stagedstr '✚'
-    zstyle ':vcs_info:git:*' unstagedstr '●'
-    zstyle ':vcs_info:*' formats ' %u%c'
-    zstyle ':vcs_info:*' actionformats '%u%c'
-    vcs_info
-    echo -n "${ref/refs\/heads\// }${vcs_info_msg_0_}"
+    echo -n "${ref/refs\/heads\//⭠ }$dirty"
   fi
 }
 
-prompt_hg() {
-	local rev status
-	if $(hg id >/dev/null 2>&1); then
-		if $(hg prompt >/dev/null 2>&1); then
-			if [[ $(hg prompt "{status|unknown}") = "?" ]]; then
-				# if files are not added
-				prompt_segment red white
-				st='±'
-			elif [[ -n $(hg prompt "{status|modified}") ]]; then
-				# if any modification
-				prompt_segment yellow black
-				st='±'
-			else
-				# if working copy is clean
-				prompt_segment green black
-			fi
-			echo -n $(hg prompt " {rev}@{branch}") $st
-		else
-			st=""
-			rev=$(hg id -n 2>/dev/null | sed 's/[^-0-9]//g')
-			branch=$(hg id -b 2>/dev/null)
-			if `hg st | grep -Eq "^\?"`; then
-				prompt_segment red black
-				st='±'
-			elif `hg st | grep -Eq "^(M|A)"`; then
-				prompt_segment yellow black
-				st='±'
-			else
-				prompt_segment green black
-			fi
-			echo -n " $rev@$branch" $st
-		fi
-	fi
-}
-
 # Dir: current working directory
 prompt_dir() {
   prompt_segment blue black '%~'
 }
 
-# Virtualenv: current working virtualenv
-prompt_virtualenv() {
-  local virtualenv_path="$VIRTUAL_ENV"
-  if [[ -n $virtualenv_path ]]; then
-    prompt_segment blue black "(`basename $virtualenv_path`)"
-  fi
-}
-
 # Status:
 # - was there an error
 # - am I root
@@ -160,11 +106,9 @@ prompt_status() {
 build_prompt() {
   RETVAL=$?
   prompt_status
-  prompt_virtualenv
   prompt_context
   prompt_dir
   prompt_git
-  prompt_hg
   prompt_end
 }