Use Makefile for Travis tests

build/test-global-coverage.sh

@@ -0,0 +1,26 @@
+#!/bin/bash
+
+# This script runs all package tests and merges the resulting coverage
+# profiles. Coverage is accounted per package under test.
+
+set -e
+
+if [ ! -f "build/env.sh" ]; then
+    echo "$0 must be run from the root of the repository."
+    exit 2
+fi
+
+echo "mode: count" > profile.cov
+
+for pkg in $(go list ./...); do
+    # drop the namespace prefix.
+    dir=${pkg##github.com/ethereum/go-ethereum/}
+    
+    if [[ $dir != "tests/vm" ]]; then
+        go test -covermode=count -coverprofile=$dir/profile.tmp $pkg
+    fi
+    if [[ -f $dir/profile.tmp ]]; then
+        tail -n +2 $dir/profile.tmp >> profile.cov
+        rm $dir/profile.tmp
+    fi
+done