1 files changed, 112 insertions, 0 deletions
diff --git a/vendor/github.com/onsi/gomega/gexec/build.go b/vendor/github.com/onsi/gomega/gexec/build.go
new file mode 100644
index 000000000..869c1ead8
--- /dev/null
+++ b/vendor/github.com/onsi/gomega/gexec/build.go
@@ -0,0 +1,112 @@
+package gexec
+
+import (
+	"errors"
+	"fmt"
+	"go/build"
+	"io/ioutil"
+	"os"
+	"os/exec"
+	"path"
+	"path/filepath"
+	"runtime"
+	"strings"
+	"sync"
+)
+
+var (
+	mu     sync.Mutex
+	tmpDir string
+)
+
+/*
+Build uses go build to compile the package at packagePath.  The resulting binary is saved off in a temporary directory.
+A path pointing to this binary is returned.
+
+Build uses the $GOPATH set in your environment. If $GOPATH is not set and you are using Go 1.8+,
+it will use the default GOPATH instead.  It passes the variadic args on to `go build`.
+*/
+func Build(packagePath string, args ...string) (compiledPath string, err error) {
+	return doBuild(build.Default.GOPATH, packagePath, nil, args...)
+}
+
+/*
+BuildWithEnvironment is identical to Build but allows you to specify env vars to be set at build time.
+*/
+func BuildWithEnvironment(packagePath string, env []string, args ...string) (compiledPath string, err error) {
+	return doBuild(build.Default.GOPATH, packagePath, env, args...)
+}
+
+/*
+BuildIn is identical to Build but allows you to specify a custom $GOPATH (the first argument).
+*/
+func BuildIn(gopath string, packagePath string, args ...string) (compiledPath string, err error) {
+	return doBuild(gopath, packagePath, nil, args...)
+}
+
+func replaceGoPath(environ []string, newGoPath string) []string {
+	newEnviron := []string{}
+	for _, v := range environ {
+		if !strings.HasPrefix(v, "GOPATH=") {
+			newEnviron = append(newEnviron, v)
+		}
+	}
+	return append(newEnviron, "GOPATH="+newGoPath)
+}
+
+func doBuild(gopath, packagePath string, env []string, args ...string) (compiledPath string, err error) {
+	tmpDir, err := temporaryDirectory()
+	if err != nil {
+		return "", err
+	}
+
+	if len(gopath) == 0 {
+		return "", errors.New("$GOPATH not provided when building " + packagePath)
+	}
+
+	executable := filepath.Join(tmpDir, path.Base(packagePath))
+	if runtime.GOOS == "windows" {
+		executable = executable + ".exe"
+	}
+
+	cmdArgs := append([]string{"build"}, args...)
+	cmdArgs = append(cmdArgs, "-o", executable, packagePath)
+
+	build := exec.Command("go", cmdArgs...)
+	build.Env = replaceGoPath(os.Environ(), gopath)
+	build.Env = append(build.Env, env...)
+
+	output, err := build.CombinedOutput()
+	if err != nil {
+		return "", fmt.Errorf("Failed to build %s:\n\nError:\n%s\n\nOutput:\n%s", packagePath, err, string(output))
+	}
+
+	return executable, nil
+}
+
+/*
+You should call CleanupBuildArtifacts before your test ends to clean up any temporary artifacts generated by
+gexec. In Ginkgo this is typically done in an AfterSuite callback.
+*/
+func CleanupBuildArtifacts() {
+	mu.Lock()
+	defer mu.Unlock()
+	if tmpDir != "" {
+		os.RemoveAll(tmpDir)
+		tmpDir = ""
+	}
+}
+
+func temporaryDirectory() (string, error) {
+	var err error
+	mu.Lock()
+	defer mu.Unlock()
+	if tmpDir == "" {
+		tmpDir, err = ioutil.TempDir("", "gexec_artifacts")
+		if err != nil {
+			return "", err
+		}
+	}
+
+	return ioutil.TempDir(tmpDir, "g")
+}