add build selector

Jenkinsfile.eval

@@ -3,15 +3,11 @@ pipeline {
         dockerfile true
     }
     parameters{
-        string(
-            defaultValue: 'master', 
-            description: 'training branch name', 
-            name: 'TRAINING_BRANCH'
-        )
-        password(
-            defaultValue: '',
-            description: 'JENKINS password',
-            name: 'JENKINS_KEY'
+        gitParameter branchFilter: 'origin/(.*)', defaultValue: 'main', name: 'BRANCH', type: 'PT_BRANCH'
+        buildSelector(
+			defaultSelector: lastSuccessful(),
+			description: 'Which build to use for copying artifacts',
+			name: 'BUILD_SELECTOR'
 		)
     }
     stages {
@@ -35,7 +31,7 @@ pipeline {
         stage('Copy') {
             steps {
                 copyArtifacts projectName: 's444417-create-dataset'
-                copyArtifacts projectName: 's444417-training/$TRAINING_BRANCH'
+                copyArtifacts projectName: 's444417-training/$BRANCH'
                 sh 'python3 ./src/evalScript.py'
                 archiveArtifacts 'trainResults.csv'
                 sh "ls -la"