refactor gomod logic (#47)

* rebase upstream

* rebase

* trim no need line

* trim no need line

* trim no need line

* refactor gomod module logic

Co-authored-by: kingxt <dream4kingxt@163.com>

tools/goctl/api/gogen/util.go

@@ -4,41 +4,21 @@ import (
 	"fmt"
 	goformat "go/format"
 	"io"
-	"os"
-	"path"
-	"path/filepath"
 	"strings"
 
 	"github.com/tal-tech/go-zero/core/collection"
 	"github.com/tal-tech/go-zero/tools/goctl/api/spec"
 	"github.com/tal-tech/go-zero/tools/goctl/api/util"
-	goctlutil "github.com/tal-tech/go-zero/tools/goctl/util"
+	"github.com/tal-tech/go-zero/tools/goctl/util/project"
 )
 
 func getParentPackage(dir string) (string, error) {
-	absDir, err := filepath.Abs(dir)
+	p, err := project.Prepare(dir, false)
 	if err != nil {
 		return "", err
 	}
 
-	absDir = strings.ReplaceAll(absDir, `\`, `/`)
-	rootPath, hasGoMod := goctlutil.FindGoModPath(dir)
-	if hasGoMod {
-		return rootPath, nil
-	}
-
-	gopath := os.Getenv("GOPATH")
-	parent := path.Join(gopath, "src")
-	pos := strings.Index(absDir, parent)
-	if pos < 0 {
-		fmt.Printf("%s not in go.mod project path, or not in GOPATH of %s directory\n", absDir, gopath)
-		tempPath := filepath.Dir(absDir)
-		rootPath = absDir[len(tempPath)+1:]
-	} else {
-		rootPath = absDir[len(parent)+1:]
-	}
-
-	return rootPath, nil
+	return p.GoMod.Module, nil
 }
 
 func writeIndent(writer io.Writer, indent int) {

tools/goctl/rpc/ctx/ctx.go

@@ -9,6 +9,7 @@ import (
 	"github.com/tal-tech/go-zero/core/logx"
 	"github.com/tal-tech/go-zero/tools/goctl/util"
 	"github.com/tal-tech/go-zero/tools/goctl/util/console"
+	"github.com/tal-tech/go-zero/tools/goctl/util/project"
 	"github.com/tal-tech/go-zero/tools/goctl/util/stringx"
 	"github.com/urfave/cli"
 )
@@ -34,7 +35,7 @@ type RpcContext struct {
 
 func MustCreateRpcContext(protoSrc, targetDir, serviceName string, idea bool) *RpcContext {
 	log := console.NewConsole(idea)
-	info, err := prepare(log)
+	info, err := project.Prepare(targetDir, true)
 	log.Must(err)
 
 	if stringx.From(protoSrc).IsEmptyOrSpace() {

tools/goctl/util/project/project.go

@@ -1,7 +1,6 @@
-package ctx
+package project
 
 import (
-	"fmt"
 	"io/ioutil"
 	"os"
 	"os/exec"
@@ -10,7 +9,6 @@ import (
 	"strings"
 
 	"github.com/tal-tech/go-zero/tools/goctl/rpc/execx"
-	"github.com/tal-tech/go-zero/tools/goctl/util/console"
 )
 
 const (
@@ -33,20 +31,22 @@ type (
 	}
 )
 
-func prepare(log console.Console) (*Project, error) {
-	log.Info("checking go env...")
+func Prepare(projectDir string, checkGrpcEnv bool) (*Project, error) {
 	_, err := exec.LookPath(constGo)
 	if err != nil {
 		return nil, err
 	}
 
-	_, err = exec.LookPath(constProtoC)
-	if err != nil {
-		return nil, err
-	}
-	_, err = exec.LookPath(constProtoCGenGo)
-	if err != nil {
-		return nil, err
+	if checkGrpcEnv {
+		_, err = exec.LookPath(constProtoC)
+		if err != nil {
+			return nil, err
+		}
+
+		_, err = exec.LookPath(constProtoCGenGo)
+		if err != nil {
+			return nil, err
+		}
 	}
 
 	var (
@@ -87,14 +87,16 @@ func prepare(log console.Console) (*Project, error) {
 		}
 
 		if !strings.HasPrefix(pwd, src) {
-			return nil, fmt.Errorf("%s: project is not in go mod and go path", pwd)
+			name = filepath.Clean(filepath.Base(projectDir))
+			path = projectDir
+		} else {
+			r := strings.TrimPrefix(pwd, src+string(filepath.Separator))
+			name = filepath.Dir(r)
+			if name == "." {
+				name = r
+			}
+			path = filepath.Join(src, name)
 		}
-		r := strings.TrimPrefix(pwd, src+string(filepath.Separator))
-		name = filepath.Dir(r)
-		if name == "." {
-			name = r
-		}
-		path = filepath.Join(src, name)
 		module = name
 	}