Fixed issues with setting up colored Bash prompt supporting displaying Git repository information.

enable-git-bash-prompt

@@ -0,0 +1,7 @@
+# Include Git prompt helpers if available
+if [ -f /usr/lib/git-core/git-sh-prompt ]; then
+  source /usr/lib/git-core/git-sh-prompt
+
+  # Then PS1 can include __git_ps1 which is optimized and shows branch + state:
+  PS1='\[\e[32m\]AzureCLI (\[\e[35m\]${ACCOUNT_NAME}\[\e[0m\])\n\[\e[0m\]\[\e[34m\]\w\[\e[0m\]\[\e[33m\]$(__git_ps1 " (%s)")\[\e[0m\]\$ '
+fi