16bdd0c1692331bda0ae5ae26af2ea74436467db

 1diff --git a/lib/git.zsh b/lib/git.zsh
 2index 4d1634e8bc52d0e71721c88e9017cbdc2cc2018b..d90f0f3150d9ecd581705187f76e1d5e4c556890 100644
 3--- a/lib/git.zsh
 4+++ b/lib/git.zsh
 5@@ -4,15 +4,21 @@ function git_prompt_info() {
 6   echo "$ZSH_THEME_GIT_PROMPT_PREFIX${ref#refs/heads/}$(parse_git_dirty)$ZSH_THEME_GIT_PROMPT_SUFFIX"
 7 }
 8 
 9+
10 # Checks if working tree is dirty
11 parse_git_dirty() {
12-  if [[ -n $(git status -s --ignore-submodules=dirty 2> /dev/null) ]]; then
13+  local SUBMODULE_SYNTAX=''
14+  if [[ $POST_1_7_2_GIT -gt 0 ]]; then
15+        SUBMODULE_SYNTAX="--ignore-submodules=dirty"
16+  fi
17+  if [[ -n $(git status -s ${SUBMODULE_SYNTAX}  2> /dev/null) ]]; then
18     echo "$ZSH_THEME_GIT_PROMPT_DIRTY"
19   else
20     echo "$ZSH_THEME_GIT_PROMPT_CLEAN"
21   fi
22 }
23 
24+
25 # Checks if there are commits ahead from remote
26 function git_prompt_ahead() {
27   if $(echo "$(git log origin/$(current_branch)..HEAD 2> /dev/null)" | grep '^commit' &> /dev/null); then
28@@ -61,4 +67,30 @@ git_prompt_status() {
29     STATUS="$ZSH_THEME_GIT_PROMPT_UNMERGED$STATUS"
30   fi
31   echo $STATUS
32-}
33+}
34+
35+#this is unlikely to change so make it all statically assigned
36+POST_1_7_2_GIT=$(git_compare_version "1.7.2")
37+#clean up the namespace slightly by removing the checker function
38+unset -f git_compare_version()
39+
40+#compare the provided version of git to the version installed and on path
41+#prints 1 if input version <= installed version
42+#prints -1 otherwise 
43+function git_compare_version() {
44+  local INPUT_GIT_VERSION=$1;
45+  local INSTALLED_GIT_VERSION
46+  INPUT_GIT_VERSION=(${(s/./)INPUT_GIT_VERSION});
47+  INSTALLED_GIT_VERSION=($(git --version));
48+  INSTALLED_GIT_VERSION=(${(s/./)INSTALLED_GIT_VERSION[3]});
49+
50+  for i in {1..3}; do
51+    if [[ $INSTALLED_GIT_VERSION[$i] -lt $INPUT_GIT_VERSION[$i] ]]; then
52+      echo -1
53+      return 0
54+    fi
55+  done
56+  echo 1
57+}
58+
59+