Revert "decompose GOPATH and set it according to the current working dir." (#721)

* Revert "decompose GOPATH and set it according to the current working dir. (#712)"

This reverts commit 48ba936.

Author: Shawn Hurley

commands/operator-sdk/main.go

@@ -19,13 +19,9 @@ import (
 	"os"
 
 	"github.com/operator-framework/operator-sdk/commands/operator-sdk/cmd"
-	"github.com/operator-framework/operator-sdk/internal/util/projutil"
 )
 
 func main() {
-	gopath := projutil.GetGopath()
-	projutil.SetGopath(gopath)
-
 	if err := cmd.NewRootCmd().Execute(); err != nil {
 		fmt.Fprintln(os.Stderr, err)
 		os.Exit(-1)

internal/util/projutil/project_util.go

@@ -75,8 +75,23 @@ func MustGetwd() string {
 // e.g: "github.com/example-inc/app-operator"
 func CheckAndGetCurrPkg() string {
 	gopath := os.Getenv(GopathEnv)
-	goSrc := filepath.Join(gopath, SrcDir)
+	if len(gopath) == 0 {
+		log.Fatalf("get current pkg failed: GOPATH env not set")
+	}
+	var goSrc string
+	cwdInGopath := false
 	wd := MustGetwd()
+	for _, path := range strings.Split(gopath, ":") {
+		goSrc = filepath.Join(path, SrcDir)
+
+		if strings.HasPrefix(filepath.Dir(wd), goSrc) {
+			cwdInGopath = true
+			break
+		}
+	}
+	if !cwdInGopath {
+		log.Fatalf("check current pkg failed: must run from gopath")
+	}
 	currPkg := strings.Replace(wd, goSrc+string(filepath.Separator), "", 1)
 	// strip any "/" prefix from the repo path.
 	return strings.TrimPrefix(currPkg, string(filepath.Separator))
@@ -93,27 +108,3 @@ func GetOperatorType() OperatorType {
 	}
 	return OperatorTypeGo
 }
-
-func GetGopath() string {
-	gopath, ok := os.LookupEnv(GopathEnv)
-	if !ok || len(gopath) == 0 {
-		log.Fatal("get current pkg failed: GOPATH env not set")
-	}
-	return gopath
-}
-
-func SetGopath(currentGopath string) {
-	var newGopath string
-	cwdInGopath := false
-	wd := MustGetwd()
-	for _, newGopath = range strings.Split(currentGopath, ":") {
-		if strings.HasPrefix(filepath.Dir(wd), newGopath) {
-			cwdInGopath = true
-			break
-		}
-	}
-	if !cwdInGopath {
-		log.Fatalf("check current pkg failed: must run from gopath")
-	}
-	os.Setenv(GopathEnv, newGopath)
-}