refactor(cmd/gf): improve code structure for readability and maintainability (#4771)

Refactor the code structure to enhance readability and maintainability
without altering functionality.

fixed #4750 #4757 #4767

另外使用`gf init -r github.com/gogf/template-single my-project`方式没有问题

合并后v2.10.2生效

Makefile

@@ -34,6 +34,7 @@ branch:
 version:
 	@set -e; \
 	newVersion=$(to); \
+	$(MAKE) -C cmd/gf pack; \
 	./.make_version.sh ./ $$newVersion; \
 	echo "make version to=$(to) done"
 

cmd/gf/Makefile

@@ -18,9 +18,6 @@ pack.template-mono:
 	@cd temp && gf pack template-mono ../internal/packed/template-mono.go -n=packed -y
 	@rm -fr temp
 
-# Note:
-# command `sed` only works on MacOS.
-# use `grep -irl 'template-single' temp| xargs sed -i'' -e 's/template-single/template-mono-app/g'` on other platforms.
 pack.template-mono-app:
 	@rm -fr temp
 	@mkdir temp || exit 0
@@ -31,6 +28,6 @@ pack.template-mono-app:
 	@rm -fr temp/template-mono-app/.gitignore
 	@rm -fr temp/template-mono-app/go.mod
 	@rm -fr temp/template-mono-app/go.sum
-	@grep -irl 'template-single' temp| xargs sed -i '' -e 's/template-single/template-mono-app/g'
+	@grep -irl 'template-single' temp| xargs perl -pi -e 's/template-single/template-mono-app/g'
 	@cd temp && gf pack template-mono-app ../internal/packed/template-mono-app.go -n=packed -y
 	@rm -fr temp

cmd/gf/internal/cmd/cmd_init.go

@@ -232,14 +232,17 @@ func (c cInit) initFromBuiltin(ctx context.Context, in cInitInput) (out *cInitOu
 				return content
 			}
 		}
+		mlog.Debugf("replace %s %s to %s", path, cInitRepoPrefix+templateRepoName, in.Module)
 		return gstr.Replace(gfile.GetContents(path), cInitRepoPrefix+templateRepoName, in.Module)
 	}, in.Name, "*", true)
 	if err != nil {
 		return
 	}
 
-	// Format the generated Go files.
-	utils.GoFmt(in.Name)
+	// Format the generated Go files using go/format (not goimports).
+	// utils.GoFmt uses imports.Process which may remove local import paths that cannot
+	// be resolved in the GOPATH or module cache right after generation (e.g. "myapp/api/hello/v1").
+	geninit.FormatGoFiles(in.Name)
 
 	// Update the GoFrame version.
 	if in.Update {

cmd/gf/internal/cmd/geninit/geninit_generator.go

@@ -85,7 +85,7 @@ func generateProject(ctx context.Context, srcPath, name, oldModule, newModule st
 	// 6. Format the generated Go files using go/format (not imports.Process)
 	// Note: We use formatGoFiles instead of utils.GoFmt because imports.Process
 	// may incorrectly "fix" local import paths by replacing them with cached module paths.
-	formatGoFiles(dstPath)
+	FormatGoFiles(dstPath)
 
 	mlog.Print("Project generated successfully!")
 	return nil
@@ -115,10 +115,10 @@ func upgradeDependencies(ctx context.Context, projectDir string) error {
 	return nil
 }
 
-// formatGoFiles formats all Go files in the directory using go/format.
+// FormatGoFiles formats all Go files in the directory using go/format.
 // Unlike imports.Process, this only formats code without modifying imports,
 // which prevents incorrect "fixing" of local import paths.
-func formatGoFiles(dir string) {
+func FormatGoFiles(dir string) {
 	files, err := findGoFiles(dir)
 	if err != nil {
 		mlog.Printf("Failed to find Go files for formatting: %v", err)