From cb37fb4b34e5d304a2ddfabab44544fa07431101 Mon Sep 17 00:00:00 2001
From: Michael Maltese <mjm72010@mymail.pomona.edu>
Date: Wed, 11 Jun 2014 18:39:51 -0700
Subject: [PATCH] Pick up system Go even if GOROOT isn't set

Fixes #74
---
 binscripts/gvm-installer | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/binscripts/gvm-installer b/binscripts/gvm-installer
index dc122c5..8693425 100755
--- a/binscripts/gvm-installer
+++ b/binscripts/gvm-installer
@@ -18,9 +18,14 @@ update_profile() {
 }
 
 check_existing_go() {
+
 	if [ "$GOROOT" == "" ]; then
-		echo "No existing Go versions detected"
-		return
+		if which go > /dev/null; then
+			GOROOT=$(go env | grep GOROOT | cut -d"=" -f2)
+		else
+			echo "No existing Go versions detected"
+			return
+		fi
 	fi
 	echo "Created profile for existing install of Go at $GOROOT"
 	mkdir -p "$GVM_DEST/$GVM_NAME/environments" &> /dev/null || display_error "Failed to create environment directory"