fix #25 - oh-my-git can be disabled on a per-repository basis (idea by Olaf Alders)

README.md

@@ -90,6 +90,15 @@ which are optional, but very cool.
 Then, restart zsh. 
 antigen will download and install all that's needed.
 
+# Disabling oh-my-git
+oh-my-git can be disabled on a per-repository basis. Just add a
+
+    [oh-my-git]
+    enabled = true
+
+in the `.git/config` file of a repo to revert to the original prompt for that particular repo. This could be handy when working with very huge repository, when the git commands invoked by oh-my-git can slow down the prompt.
+
+
 # Known bugs and limitations
 
 * git v1.8.4 or newer is required

base.sh

@@ -12,6 +12,12 @@ function enrich {
 }
 
 function build_prompt {
+    enabled=`git config --local --get oh-my-git.enabled`
+    if [[ ${enabled} == false ]]; then
+        echo "${PSORG}"
+        exit;
+    fi
+
     PS1=""    
     # Git info
     current_commit_hash=$(git rev-parse HEAD 2> /dev/null)

prompt.sh

@@ -1,3 +1,4 @@
+PSORG=$PS1;
 if [ -n "${BASH_VERSION}" ]; then
     DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"