This buildpack can now use the tiny stack with reloadable processes

.gitignore

@@ -1,2 +1,3 @@
 /.bin
 /build
+.idea/

constants.go

@@ -4,5 +4,4 @@ const (
 	TargetsLayerName = "targets"
 	GoCacheLayerName = "gocache"
 	WorkspaceSHAKey  = "workspace_sha"
-	TinyStackName    = "io.paketo.stacks.tiny"
 )

detect.go

@@ -33,10 +33,6 @@ func Detect(parser ConfigurationParser) packit.DetectFunc {
 			return packit.DetectResult{}, err
 		}
 
-		if shouldEnableReload && context.Stack == TinyStackName {
-			return packit.DetectResult{}, fmt.Errorf("cannot enable live reload on stack '%s': stack does not support watchexec", context.Stack)
-		}
-
 		if shouldEnableReload {
 			requirements = append(requirements, packit.BuildPlanRequirement{
 				Name: "watchexec",

detect_test.go

@@ -68,11 +68,11 @@ func testDetect(t *testing.T, context spec.G, it spec.S) {
 
 	context("BP_LIVE_RELOAD_ENABLED=true in build environment", func() {
 		it.Before(func() {
-			os.Setenv("BP_LIVE_RELOAD_ENABLED", "true")
+			Expect(os.Setenv("BP_LIVE_RELOAD_ENABLED", "true")).To(Succeed())
 		})
 
 		it.After(func() {
-			os.Unsetenv("BP_LIVE_RELOAD_ENABLED")
+			Expect(os.Unsetenv("BP_LIVE_RELOAD_ENABLED")).To(Succeed())
 		})
 
 		it("requires watchexec at launch time", func() {
@@ -105,13 +105,14 @@ func testDetect(t *testing.T, context spec.G, it spec.S) {
 				Expect(err).To(MatchError(ContainSubstring("failed to parse configuration")))
 			})
 		})
+
 		context("parsing value of $BP_LIVE_RELOAD_ENABLED fails", func() {
 			it.Before(func() {
-				os.Setenv("BP_LIVE_RELOAD_ENABLED", "not-a-bool")
+				Expect(os.Setenv("BP_LIVE_RELOAD_ENABLED", "not-a-bool")).To(Succeed())
 			})
 
 			it.After(func() {
-				os.Unsetenv("BP_LIVE_RELOAD_ENABLED")
+				Expect(os.Unsetenv("BP_LIVE_RELOAD_ENABLED")).To(Succeed())
 			})
 
 			it("returns an error", func() {
@@ -124,25 +125,5 @@ func testDetect(t *testing.T, context spec.G, it spec.S) {
 				Expect(err).To(MatchError(ContainSubstring("failed to parse BP_LIVE_RELOAD_ENABLED value not-a-bool")))
 			})
 		})
-		context("BP_LIVE_RELOAD_ENABLED=true and the stack is tiny", func() {
-			it.Before(func() {
-				os.Setenv("BP_LIVE_RELOAD_ENABLED", "true")
-			})
-
-			it.After(func() {
-				os.Unsetenv("BP_LIVE_RELOAD_ENABLED")
-			})
-
-			it("returns an error", func() {
-				_, err := detect(packit.DetectContext{
-					WorkingDir: workingDir,
-					BuildpackInfo: packit.BuildpackInfo{
-						Version: "some-buildpack-version",
-					},
-					Stack: "io.paketo.stacks.tiny",
-				})
-				Expect(err).To(MatchError(ContainSubstring("cannot enable live reload on stack 'io.paketo.stacks.tiny': stack does not support watchexec")))
-			})
-		})
 	})
 }

integration/default_test.go

@@ -267,6 +267,7 @@ func testDefault(t *testing.T, context spec.G, it spec.S) {
 					settings.Buildpacks.GoDist.Online,
 					settings.Buildpacks.GoBuild.Online,
 				).
+				WithBuilder("paketobuildpacks/builder:tiny").
 				WithEnv(map[string]string{
 					"BP_LIVE_RELOAD_ENABLED": "true",
 				}).