Make repo more relocatable on developer's workstation.

api/internal/plugins/compiler/compiler.go

@@ -30,11 +30,31 @@ type Compiler struct {
 	objRoot string
 }
 
-// DefaultSrcRoot guesses where the user
+// DeterminePluginSrcRoot guesses where the user
 // has her ${g}/${v}/$lower(${k})/${k}.go files.
-func DefaultSrcRoot(fSys filesys.FileSystem) (string, error) {
+func DeterminePluginSrcRoot(fSys filesys.FileSystem) (string, error) {
 	return konfig.FirstDirThatExistsElseError(
 		"source directory", fSys, []konfig.NotedFunc{
+			{
+				Note: "relative to unit test",
+				F: func() string {
+					return filepath.Clean(
+						filepath.Join(
+							os.Getenv("PWD"),
+							"..", "..", "..", "..",
+							konfig.RelPluginHome))
+				},
+			},
+			{
+				Note: "relative to api package",
+				F: func() string {
+					return filepath.Clean(
+						filepath.Join(
+							os.Getenv("PWD"),
+							"..", "..", "..",
+							konfig.RelPluginHome))
+				},
+			},
 			{
 				Note: "old style $GOPATH",
 				F: func() string {

api/internal/plugins/compiler/compiler_test.go

@@ -19,7 +19,7 @@ func TestCompiler(t *testing.T) {
 	if err != nil {
 		t.Errorf("failed to make temp dir: %v", err)
 	}
-	srcRoot, err := DefaultSrcRoot(filesys.MakeFsOnDisk())
+	srcRoot, err := DeterminePluginSrcRoot(filesys.MakeFsOnDisk())
 	if err != nil {
 		t.Error(err)
 	}

api/testutils/kusttest/plugintestenv.go

@@ -76,7 +76,7 @@ func (x *PluginTestEnv) makeCompiler() *compiler.Compiler {
 	if err != nil {
 		x.t.Error(err)
 	}
-	srcRoot, err := compiler.DefaultSrcRoot(filesys.MakeFsOnDisk())
+	srcRoot, err := compiler.DeterminePluginSrcRoot(filesys.MakeFsOnDisk())
 	if err != nil {
 		x.t.Error(err)
 	}