--build-cache-path now contains also the sketches

commands/service_compile.go

@@ -162,7 +162,6 @@ func (s *arduinoCoreServerImpl) Compile(req *rpc.CompileRequest, stream rpc.Ardu
 
 	// Generate or retrieve build path
 	var buildPath *paths.Path
-	isDefaultBuildPath := false
 	if buildPathArg := req.GetBuildPath(); buildPathArg != "" {
 		buildPath = paths.New(req.GetBuildPath()).Canonical()
 		if in, _ := buildPath.IsInsideDir(sk.FullPath); in && buildPath.IsDir() {
@@ -171,24 +170,10 @@ func (s *arduinoCoreServerImpl) Compile(req *rpc.CompileRequest, stream rpc.Ardu
 			}
 		}
 	}
-	if buildPath == nil {
-		buildPath = sk.DefaultBuildPath()
-		isDefaultBuildPath = true
-	}
-	if err = buildPath.MkdirAll(); err != nil {
-		return &cmderrors.PermissionDeniedError{Message: i18n.Tr("Cannot create build directory"), Cause: err}
-	}
 
 	var coreBuildCachePath *paths.Path
 	var extraCoreBuildCachePaths paths.PathList
-	if isDefaultBuildPath {
-		buildcache.New(buildPath.Parent()).GetOrCreate(buildPath.Base())
-		// cache is purged after compilation to not remove entries that might be required
-
-		defer maybePurgeBuildCache(
-			s.settings.GetCompilationsBeforeBuildCachePurge(),
-			s.settings.GetBuildCacheTTL().Abs())
-
+	if buildPath == nil {
 		var buildCachePath *paths.Path
 		if req.GetBuildCachePath() != "" {
 			p, err := paths.New(req.GetBuildCachePath()).Abs()
@@ -214,6 +199,17 @@ func (s *arduinoCoreServerImpl) Compile(req *rpc.CompileRequest, stream rpc.Ardu
 		for i, p := range extraCoreBuildCachePaths {
 			extraCoreBuildCachePaths[i] = p.Join("cores")
 		}
+
+		buildPath = sk.DefaultBuildPath(buildCachePath)
+		buildcache.New(buildPath.Parent()).GetOrCreate(buildPath.Base())
+
+		// cache is purged after compilation to not remove entries that might be required
+		defer maybePurgeBuildCache(
+			s.settings.GetCompilationsBeforeBuildCachePurge(),
+			s.settings.GetBuildCacheTTL().Abs())
+	}
+	if err = buildPath.MkdirAll(); err != nil {
+		return &cmderrors.PermissionDeniedError{Message: i18n.Tr("Cannot create build directory"), Cause: err}
 	}
 
 	if _, err := pme.FindToolsRequiredForBuild(targetPlatform, buildPlatform); err != nil {

commands/service_debug_config.go

@@ -109,7 +109,7 @@ func getDebugProperties(req *rpc.GetDebugConfigRequest, pme *packagemanager.Expl
 		}
 		sketchName = sk.Name
 		sketchDefaultFQBN = sk.GetDefaultFQBN()
-		sketchDefaultBuildPath = sk.DefaultBuildPath()
+		sketchDefaultBuildPath = sk.DefaultBuildPath(nil)
 	} else {
 		// Use placeholder sketch data
 		sketchName = "Sketch"

commands/service_upload.go

@@ -788,7 +788,7 @@ func determineBuildPathAndSketchName(importFile, importDir string, sk *sketch.Sk
 
 	// Case 4: only sketch specified. In this case we use the generated build path
 	// and the given sketch name.
-	return sk.DefaultBuildPath(), sk.Name + sk.MainFile.Ext(), nil
+	return sk.DefaultBuildPath(nil), sk.Name + sk.MainFile.Ext(), nil
 }
 
 func detectSketchNameFromBuildPath(buildPath *paths.Path) (string, error) {

commands/service_upload_test.go

@@ -81,7 +81,7 @@ func TestDetermineBuildPathAndSketchName(t *testing.T) {
 		// 03: error: used both importPath and importFile
 		{"testdata/upload/build_path_2/Blink.ino.hex", "testdata/upload/build_path_2", nil, nil, "<nil>", ""},
 		// 04: only sketch without FQBN
-		{"", "", blonk, nil, blonk.DefaultBuildPath().String(), "Blonk.ino"},
+		{"", "", blonk, nil, blonk.DefaultBuildPath(nil).String(), "Blonk.ino"},
 		// 05: use importFile to detect build.path and project_name, sketch is ignored.
 		{"testdata/upload/build_path_2/Blink.ino.hex", "", blonk, nil, "testdata/upload/build_path_2", "Blink.ino"},
 		// 06: use importPath as build.path and Blink as project name, ignore the sketch Blonk
@@ -97,7 +97,7 @@ func TestDetermineBuildPathAndSketchName(t *testing.T) {
 		// 11: error: used both importPath and importFile
 		{"testdata/upload/build_path_2/Blink.ino.hex", "testdata/upload/build_path_2", nil, fqbn, "<nil>", ""},
 		// 12: use sketch to determine project name and sketch+fqbn to determine build path
-		{"", "", blonk, fqbn, blonk.DefaultBuildPath().String(), "Blonk.ino"},
+		{"", "", blonk, fqbn, blonk.DefaultBuildPath(nil).String(), "Blonk.ino"},
 		// 13: use importFile to detect build.path and project_name, sketch+fqbn is ignored.
 		{"testdata/upload/build_path_2/Blink.ino.hex", "", blonk, fqbn, "testdata/upload/build_path_2", "Blink.ino"},
 		// 14: use importPath as build.path and Blink as project name, ignore the sketch Blonk, ignore fqbn

internal/arduino/sketch/sketch.go

@@ -280,9 +280,13 @@ func (e *InvalidSketchFolderNameError) Error() string {
 }
 
 // DefaultBuildPath generates the default build directory for a given sketch.
-// The build path is in a temporary directory and is unique for each sketch.
-func (s *Sketch) DefaultBuildPath() *paths.Path {
-	return paths.TempDir().Join("arduino", "sketches", s.Hash())
+// The sketch build path is inside the build cache path and is unique for each sketch.
+// If buildCachePath is nil the default build cache path is used.
+func (s *Sketch) DefaultBuildPath(buildCachePath *paths.Path) *paths.Path {
+	if buildCachePath == nil {
+		return paths.TempDir().Join("arduino", "sketches", s.Hash())
+	}
+	return buildCachePath.Join("sketches", s.Hash())
 }
 
 // Hash generate a unique hash for the given sketch.

internal/arduino/sketch/sketch_test.go

@@ -287,7 +287,7 @@ func TestNewSketchFolderSymlink(t *testing.T) {
 
 func TestGenBuildPath(t *testing.T) {
 	want := paths.TempDir().Join("arduino", "sketches", "ACBD18DB4CC2F85CEDEF654FCCC4A4D8")
-	assert.True(t, (&Sketch{FullPath: paths.New("foo")}).DefaultBuildPath().EquivalentTo(want))
+	assert.True(t, (&Sketch{FullPath: paths.New("foo")}).DefaultBuildPath(nil).EquivalentTo(want))
 	assert.Equal(t, "ACBD18DB4CC2F85CEDEF654FCCC4A4D8", (&Sketch{FullPath: paths.New("foo")}).Hash())
 }