hook integration tests into travis

.travis.yml

@@ -11,3 +11,6 @@ before_install:
   - if ! go get github.com/golang/tools/cmd/cover; then go get golang.org/x/tools/cmd/cover; fi
 script:
   - $HOME/gopath/bin/goveralls -service=travis-ci
+  - bash test/compile_with_go110.sh
+  - bash test/compile_with_go111.sh
+  - bash test/compile_with_go111_inside_gopath.sh

test/compile_with_go110.sh

@@ -4,9 +4,11 @@
 # under go 1.10, which was the last release before introduction of the new go
 # module system.
 
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
+
 docker run \
     --rm \
-    -v $(pwd)/some-program:/src \
+    -v $DIR/some-program:/src \
     -w /src \
     golang:1.10 \
     bash -c "go get github.com/alexflint/go-arg && go build -o /dev/null"

test/compile_with_go111.sh

@@ -3,9 +3,11 @@
 # This test checks that we can compile some code that depends on go-arg when using go 1.11 
 # with the new go module system active.
 
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
+
 docker run \
     --rm \
-    -v $(pwd)/some-program:/src \
+    -v $DIR/some-program:/src \
     -w /src \
     golang:1.11 \
     go build -o /dev/null

test/compile_with_go111_inside_gopath.sh

@@ -3,9 +3,11 @@
 # This test checks that we can correctly "go get" and then use the go-arg package using
 # go 1.11 when the code is within the GOPATH (in which case modules are disabled by default).
 
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
+
 docker run \
     --rm \
-    -v $(pwd)/some-program:/go/src/some-program \
+    -v $DIR/some-program:/go/src/some-program \
     -w /go/src/some-program \
     golang:1.11 \
     bash -c "go get github.com/alexflint/go-arg && go build -o /dev/null"