feat: PAC - dynamically generate Pipeline target branch (#1636)

Signed-off-by: Zbynek Roubalik <zroubalik@gmail.com>

pkg/pipelines/tekton/templates.go

@@ -27,6 +27,9 @@ const (
 	// S2I related properties
 	defaultS2iImageScriptsUrl = "image:///usr/libexec/s2i"
 	quarkusS2iImageScriptsUrl = "image:///usr/local/s2i"
+
+	// The branch or tag we are targeting with Pipelines (ie: main, refs/tags/*)
+	defaultPipelinesTargetBranch = "main"
 )
 
 type templateData struct {
@@ -44,6 +47,9 @@ type templateData struct {
 	PvcName         string
 	SecretName      string
 
+	// The branch or tag we are targeting with Pipelines (ie: main, refs/tags/*)
+	PipelinesTargetBranch string
+
 	// Static entries
 	RepoUrl  string
 	Revision string
@@ -85,6 +91,11 @@ func createPipelineRunTemplate(f fn.Function) error {
 		contextDir = "."
 	}
 
+	pipelinesTargetBranch := f.Build.Git.Revision
+	if pipelinesTargetBranch == "" {
+		pipelinesTargetBranch = defaultPipelinesTargetBranch
+	}
+
 	buildEnvs := []string{}
 	if len(f.Build.BuildEnvs) == 0 {
 		buildEnvs = []string{"="}
@@ -114,6 +125,8 @@ func createPipelineRunTemplate(f fn.Function) error {
 		PvcName:         getPipelinePvcName(f),
 		SecretName:      getPipelineSecretName(f),
 
+		PipelinesTargetBranch: pipelinesTargetBranch,
+
 		GitCloneTaskRef:       taskGitCloneRef,
 		FuncBuildpacksTaskRef: taskFuncBuildpacksRef,
 		FuncS2iTaskRef:        taskFuncS2iRef,

pkg/pipelines/tekton/templates_pack.go

@@ -114,7 +114,7 @@ metadata:
     pipelinesascode.tekton.dev/on-event: "[push]"
 
     # The branch or tag we are targeting (ie: main, refs/tags/*)
-    pipelinesascode.tekton.dev/on-target-branch: "[main]"
+    pipelinesascode.tekton.dev/on-target-branch: "[{{.PipelinesTargetBranch}}]"
 
     # Fetch the git-clone task from hub
     pipelinesascode.tekton.dev/task: {{.GitCloneTaskRef}}

pkg/pipelines/tekton/templates_s2i.go

@@ -122,7 +122,7 @@ metadata:
     pipelinesascode.tekton.dev/on-event: "[push]"
 
     # The branch or tag we are targeting (ie: main, refs/tags/*)
-    pipelinesascode.tekton.dev/on-target-branch: "[main]"
+    pipelinesascode.tekton.dev/on-target-branch: "[{{.PipelinesTargetBranch}}]"
 
     # Fetch the git-clone task from hub
     pipelinesascode.tekton.dev/task: {{.GitCloneTaskRef}}