From af4c8dedc2c278c97063b030be2f4919dcd6797f Mon Sep 17 00:00:00 2001
From: Michel Vocks <michelvocks@gmail.com>
Date: Wed, 4 Jul 2018 11:18:03 +0200
Subject: [PATCH] Fixed wrong pointer copy in backend.

---
 handlers/pipeline.go | 24 +++++++++++++++++-------
 pipeline/pipeline.go | 17 ++++++++++++-----
 2 files changed, 29 insertions(+), 12 deletions(-)

diff --git a/handlers/pipeline.go b/handlers/pipeline.go
index b094853f..cd29a0e8 100644
--- a/handlers/pipeline.go
+++ b/handlers/pipeline.go
@@ -121,12 +121,17 @@ func PipelineGet(c echo.Context) error {
 	}
 
 	// Look up pipeline for the given id
+	var foundPipeline gaia.Pipeline
 	for pipeline := range pipeline.GlobalActivePipelines.Iter() {
 		if pipeline.ID == pipelineID {
-			return c.JSON(http.StatusOK, pipeline)
+			foundPipeline = pipeline
 		}
 	}
 
+	if foundPipeline.Name != "" {
+		return c.JSON(http.StatusOK, foundPipeline)
+	}
+
 	// Pipeline not found
 	return c.String(http.StatusNotFound, errPipelineNotFound.Error())
 }
@@ -143,14 +148,19 @@ func PipelineStart(c echo.Context) error {
 	}
 
 	// Look up pipeline for the given id
+	var foundPipeline gaia.Pipeline
 	for pipeline := range pipeline.GlobalActivePipelines.Iter() {
 		if pipeline.ID == pipelineID {
-			pipelineRun, err := schedulerService.SchedulePipeline(&pipeline)
-			if err != nil {
-				return c.String(http.StatusBadRequest, err.Error())
-			} else if pipelineRun != nil {
-				return c.JSON(http.StatusCreated, pipelineRun)
-			}
+			foundPipeline = pipeline
+		}
+	}
+
+	if foundPipeline.Name != "" {
+		pipelineRun, err := schedulerService.SchedulePipeline(&foundPipeline)
+		if err != nil {
+			return c.String(http.StatusBadRequest, err.Error())
+		} else if pipelineRun != nil {
+			return c.JSON(http.StatusCreated, pipelineRun)
 		}
 	}
 
diff --git a/pipeline/pipeline.go b/pipeline/pipeline.go
index d22ba76d..895b330e 100644
--- a/pipeline/pipeline.go
+++ b/pipeline/pipeline.go
@@ -89,12 +89,18 @@ func (ap *ActivePipelines) Append(p gaia.Pipeline) {
 
 // GetByName looks up the pipeline by the given name.
 func (ap *ActivePipelines) GetByName(n string) *gaia.Pipeline {
+	var foundPipeline gaia.Pipeline
 	for pipeline := range ap.Iter() {
 		if pipeline.Name == n {
-			return &pipeline
+			foundPipeline = pipeline
 		}
 	}
-	return nil
+
+	if foundPipeline.Name == "" {
+		return nil
+	}
+
+	return &foundPipeline
 }
 
 // Replace takes the given pipeline and replaces it in the ActivePipelines
@@ -112,7 +118,7 @@ func (ap *ActivePipelines) Replace(p gaia.Pipeline) bool {
 	}
 
 	// We got it?
-	if i != -1 {
+	if i == -1 {
 		return false
 	}
 
@@ -140,13 +146,14 @@ func (ap *ActivePipelines) Iter() <-chan gaia.Pipeline {
 // Contains checks if the given pipeline name has been already appended
 // to the given ActivePipelines instance.
 func (ap *ActivePipelines) Contains(n string) bool {
+	var foundPipeline bool
 	for pipeline := range ap.Iter() {
 		if pipeline.Name == n {
-			return true
+			foundPipeline = true
 		}
 	}
 
-	return false
+	return foundPipeline
 }
 
 // appendTypeToName appends the type to the output binary name.