ci: test on 2 latest Go version \w modules

Signed-off-by: Alexander Bezzubov <[email protected]>

.travis.yml

@@ -5,11 +5,12 @@ language: go
 go_import_path: github.com/src-d/enry
 
 go:
+  - '1.12.x'
   - '1.11.x'
-  - '1.10.x'
 env:
   global:
     - GO_VERSION_FOR_JVM='1.11.x'
+    - GO111MODULE=on
   matrix:
     - ONIGURUMA=0
     - ONIGURUMA=1
@@ -30,7 +31,7 @@ stages:
 
 stage: test
 install:
-  - if [[ -n "$ONIGURUMA" ]]; then tags="$tags oniguruma"; fi; go get -v -t --tags "$tags" ./...
+  - if [[ "${ONIGURUMA}" -gt 0 ]]; then export GO_TAGS='oniguruma'; fi;
 script:
   - make test-coverage
 after_success:
@@ -53,7 +54,6 @@ jobs:
         - eval "$(curl -sL https://raw.githubusercontent.com/travis-ci/gimme/master/gimme | GIMME_GO_VERSION=$GO_VERSION_FOR_JVM bash)"
         - go version
         - echo $PWD; echo $GOPATH
-        - go get -v ./...
       before_script:
         - cd java
         - make
@@ -64,7 +64,6 @@ jobs:
       stage: release
       install:
         - go version
-        - go get -v -t ./...
       script: make packages
       deploy:
         provider: releases
@@ -80,7 +79,6 @@ jobs:
       stage: release
       install:
         - go version
-        - go get -v -t ./...
       script: make linux-shared
       deploy:
         provider: releases
@@ -101,7 +99,6 @@ jobs:
         - PATH="/$HOME/osxcross/bin:$PATH"
       install:
         - go version
-        - go get -v -t ./...
         - sudo apt-get update
         - sudo apt-get install -y --no-install-recommends clang g++ gcc gcc-multilib libc6-dev libc6-dev-i386 mingw-w64 patch xz-utils
         - cd ${HOME}
@@ -131,7 +128,6 @@ jobs:
       install:
         - eval "$(curl -sL https://raw.githubusercontent.com/travis-ci/gimme/master/gimme | GIMME_GO_VERSION=$GO_VERSION_FOR_JVM bash)"
         - go version
-        - go get -v -t ./...
       before_script:
         - cd java
         - make