fix(setupCommonPipelineEnvironment): handling tags from scm info (#5219)

* added check if git branch name starts with refs/

* added check if branch name from jenkins starts with refs/

* added tests

* hardcoded refs/tags to test

* removed hardcode

---------

Co-authored-by: sumeet patil <sumeet.patil@sap.com>

pkg/orchestrator/jenkins.go

@@ -249,6 +249,8 @@ func (j *jenkinsConfigProvider) GitReference() string {
 		return ref
 	} else if strings.Contains(ref, "PR") {
 		return "refs/pull/" + strings.Split(ref, "-")[1] + "/head"
+	} else if strings.HasPrefix(ref, "refs/") {
+		return ref
 	} else {
 		return "refs/heads/" + ref
 	}

pkg/orchestrator/jenkins_test.go

@@ -6,14 +6,13 @@ package orchestrator
 import (
 	"encoding/json"
 	"fmt"
+	"net/http"
 	"os"
 	"testing"
 	"time"
 
 	"github.com/pkg/errors"
 
-	"net/http"
-
 	piperhttp "github.com/SAP/jenkins-library/pkg/http"
 	"github.com/jarcoal/httpmock"
 	"github.com/stretchr/testify/assert"
@@ -40,6 +39,26 @@ func TestJenkins(t *testing.T) {
 		assert.Equal(t, "Jenkins", p.OrchestratorType())
 	})
 
+	t.Run("TagBuild", func(t *testing.T) {
+		defer resetEnv(os.Environ())
+		os.Clearenv()
+		os.Setenv("JENKINS_URL", "FOO BAR BAZ")
+		os.Setenv("BUILD_URL", "https://jaas.url/job/foo/job/bar/job/main/1234/")
+		os.Setenv("BRANCH_NAME", "refs/tags/rel-1.0.0")
+		os.Setenv("GIT_COMMIT", "abcdef42713")
+		os.Setenv("GIT_URL", "github.com/foo/bar")
+
+		p := &jenkinsConfigProvider{}
+
+		assert.False(t, p.IsPullRequest())
+		assert.Equal(t, "https://jaas.url/job/foo/job/bar/job/main/1234/", p.BuildURL())
+		assert.Equal(t, "refs/tags/rel-1.0.0", p.Branch())
+		assert.Equal(t, "refs/tags/rel-1.0.0", p.GitReference())
+		assert.Equal(t, "abcdef42713", p.CommitSHA())
+		assert.Equal(t, "github.com/foo/bar", p.RepoURL())
+		assert.Equal(t, "Jenkins", p.OrchestratorType())
+	})
+
 	t.Run("PR", func(t *testing.T) {
 		defer resetEnv(os.Environ())
 		os.Clearenv()

test/groovy/SetupCommonPipelineEnvironmentTest.groovy

@@ -374,6 +374,25 @@ class SetupCommonPipelineEnvironmentTest extends BasePiperTest {
         assertThat(nullScript.commonPipelineEnvironment.gitRef, is('refs/heads/testbranch/001'))
     }
 
+    @Test
+        void "Set scmInfo parameter sets git reference for tag"() {
+
+            def GitUtils gitUtils = new GitUtils() {
+                boolean isMergeCommit(){
+                    return false
+                }
+            }
+
+            helper.registerAllowedMethod("fileExists", [String], { String path ->
+                return path.endsWith('.pipeline/config.yml')
+            })
+
+            def dummyScmInfo = [GIT_COMMIT: 'dummy_git_commit_id', GIT_BRANCH: 'refs/tags/tag-1.0.0']
+
+            stepRule.step.setupCommonPipelineEnvironment(script: nullScript, utils: utilsMock, scmInfo: dummyScmInfo, gitUtils: gitUtils)
+            assertThat(nullScript.commonPipelineEnvironment.gitRef, is('refs/tags/tag-1.0.0'))
+        }
+
     @Test
     void "sets gitReference and gitRemoteCommit for pull request, head strategy"() {
 

vars/setupCommonPipelineEnvironment.groovy

@@ -272,7 +272,11 @@ private void setGitRefOnCommonPipelineEnvironment(script, String gitCommit, Stri
     }
 
     if (!gitBranch.contains("PR")) {
-        script.commonPipelineEnvironment.setGitRef("refs/heads/" + gitBranch)
+        if (gitBranch.startsWith("refs/") ){
+            script.commonPipelineEnvironment.setGitRef(gitBranch)
+        } else {
+            script.commonPipelineEnvironment.setGitRef("refs/heads/" + gitBranch)
+        }
         script.commonPipelineEnvironment.setGitRemoteCommitId(gitCommit)
         return
     }