Merge pull request #15789 from github/mbg/go/autobuilder-review-comments

go/extractor/cli/go-autobuilder/go-autobuilder.go

@@ -603,6 +603,9 @@ func installDependenciesAndBuild() {
 		}
 	}
 
+	// Track all projects which could not be extracted successfully
+	var unsuccessfulProjects = []string{}
+
 	// Attempt to extract all workspaces; we will tolerate individual extraction failures here
 	for i, workspace := range workspaces {
 		goVersionInfo := workspace.RequiredGoVersion()
@@ -639,13 +642,8 @@ func installDependenciesAndBuild() {
 		}
 
 		workspaces[i].Extracted = extract(workspace)
-	}
-
-	// Find all projects which could not be extracted successfully
-	var unsuccessfulProjects = []string{}
 
-	for _, workspace := range workspaces {
-		if !workspace.Extracted {
+		if !workspaces[i].Extracted {
 			unsuccessfulProjects = append(unsuccessfulProjects, workspace.BaseDir)
 		}
 	}
@@ -666,7 +664,7 @@ func installDependenciesAndBuild() {
 			strings.Join(unsuccessfulProjects, ", "))
 		diagnostics.EmitExtractionFailedForProjects(unsuccessfulProjects)
 	} else {
-		log.Println("Success: extraction succeeded for all discovered projects.")
+		log.Printf("Success: extraction succeeded for all %d discovered project(s).\n", len(workspaces))
 	}
 }
 

go/extractor/project/project.go

@@ -129,7 +129,7 @@ var filesToRemove []string = []string{}
 
 // Try to initialize a go.mod file for projects that do not already have one.
 func InitGoModForLegacyProject(path string) {
-	log.Printf("Project appears to be a legacy Go project, attempting to initialize go.mod in %s\n", path)
+	log.Printf("The code in %s seems to be missing a go.mod file. Attempting to initialize one...\n", path)
 
 	modInit := toolchain.InitModule(path)
 
@@ -217,9 +217,13 @@ func discoverWorkspace(workFilePath string) GoWorkspace {
 	if err != nil {
 		// We couldn't read the `go.work` file for some reason; let's try to find `go.mod` files ourselves
 		log.Printf("Unable to read %s, falling back to finding `go.mod` files manually:\n%s\n", workFilePath, err.Error())
+
+		goModFilePaths := findGoModFiles(baseDir)
+		log.Printf("Discovered the following Go modules in %s:\n%s\n", baseDir, strings.Join(goModFilePaths, "\n"))
+
 		return GoWorkspace{
 			BaseDir: baseDir,
-			Modules: LoadGoModules(findGoModFiles(baseDir)),
+			Modules: LoadGoModules(goModFilePaths),
 			DepMode: GoGetWithModules,
 			ModMode: getModMode(GoGetWithModules, baseDir),
 		}
@@ -230,9 +234,13 @@ func discoverWorkspace(workFilePath string) GoWorkspace {
 	if err != nil {
 		// The `go.work` file couldn't be parsed for some reason; let's try to find `go.mod` files ourselves
 		log.Printf("Unable to parse %s, falling back to finding `go.mod` files manually:\n%s\n", workFilePath, err.Error())
+
+		goModFilePaths := findGoModFiles(baseDir)
+		log.Printf("Discovered the following Go modules in %s:\n%s\n", baseDir, strings.Join(goModFilePaths, "\n"))
+
 		return GoWorkspace{
 			BaseDir: baseDir,
-			Modules: LoadGoModules(findGoModFiles(baseDir)),
+			Modules: LoadGoModules(goModFilePaths),
 			DepMode: GoGetWithModules,
 			ModMode: getModMode(GoGetWithModules, baseDir),
 		}
@@ -471,8 +479,10 @@ func getBuildRoots(emitDiagnostics bool) (goWorkspaces []GoWorkspace, totalModul
 
 // Finds Go workspaces in the current working directory.
 func GetWorkspaceInfo(emitDiagnostics bool) []GoWorkspace {
-	bazelPaths := util.FindAllFilesWithName(".", "BUILD", "vendor")
-	bazelPaths = append(bazelPaths, util.FindAllFilesWithName(".", "BUILD.bazel", "vendor")...)
+	bazelPaths := slices.Concat(
+		util.FindAllFilesWithName(".", "BUILD", "vendor"),
+		util.FindAllFilesWithName(".", "BUILD.bazel", "vendor"),
+	)
 	if len(bazelPaths) > 0 {
 		// currently not supported
 		if emitDiagnostics {

go/extractor/util/util.go

@@ -320,27 +320,7 @@ func FindAllFilesWithName(root string, name string, dirsToSkip ...string) []stri
 	return paths
 }
 
-// Determines whether there are any Go source files in locations which do not have a Go.mod
-// file in the same directory or higher up in the file hierarchy, relative to the `root`.
-func AnyGoFilesOutsideDirs(root string, dirsToSkip ...string) bool {
-	found := false
-	filepath.WalkDir(root, func(path string, d fs.DirEntry, err error) error {
-		if err != nil {
-			return err
-		}
-		if d.IsDir() && slices.Contains(dirsToSkip, path) {
-			return filepath.SkipDir
-		}
-		if filepath.Ext(d.Name()) == ".go" {
-			found = true
-			return filepath.SkipAll
-		}
-		return nil
-	})
-	return found
-}
-
-// Returns an array of any Go source files in locations which do not have a Go.mod
+// Returns an array of any Go source files in locations which do not have a `go.mod`
 // file in the same directory or higher up in the file hierarchy, relative to the `root`.
 func GoFilesOutsideDirs(root string, dirsToSkip ...string) []string {
 	result := []string{}