Bump golang version to 1.10

Allows local builds in golang 1.10 on OS X to work.  Done as part of
needing a new spin for new OS X version (10.13).

This also wraps the version marker in the Travis CI yaml per a known
bug (travis-ci/travis-ci#9247) where the
version marker was being trapped as 1.1.

Author: Nick Silkey

.travis.yml

@@ -1,7 +1,8 @@
 language: go
 
 go:
-  - 1.4
+  # Done as part of https://github.com/travis-ci/travis-ci/issues/9247
+  - "1.10"
 
 sudo: false
 
@@ -18,7 +19,7 @@ before_install:
   - curl -o gimme -sL https://raw.githubusercontent.com/travis-ci/gimme/master/gimme
   - chmod u+x gimme
   - unset GOROOT GOTOOLDIR
-  - eval "$(./gimme 1.4)"
+  - eval "$(./gimme 1.10)"
   - go version
   - go env
 

script/build

@@ -15,7 +15,8 @@ build() {
 
     # Check the go version
     EQ="="
-    regex="(go[0-1].[0-4])"
+    # If we are golang <= 1.4, ' ' for EQ ... else '='
+    regex="(go[0-1].[0-4](?![0-9]))"
     if [[ `go version` =~ $regex ]]; then
         EQ=" "
     fi