fix: add PR source validation to Jenkinsfile

Semver: patch
Ref: LOG-7713

Jenkinsfile

@@ -1,17 +1,29 @@
 library 'magic-butler-catalogue'
 
-def projectName = "logdna-winston"
-def repo = "logdna/${projectName}"
+def PROJECT_NAME = "logdna-winston"
+def REPO = "logdna/${PROJECT_NAME}"
+def TRIGGER_PATTERN = ".*@logdnabot.*"
 
 pipeline {
  agent none
 
- options {
- timestamps()
- ansiColor 'xterm'
+ triggers {
+ issueCommentTrigger(TRIGGER_PATTERN)
  }
 
  stages {
+ stage('Validate PR Source') {
+ when {
+ expression { env.CHANGE_FORK }
+ not {
+ triggeredBy 'issueCommentCause'
+ }
+ }
+ steps {
+ error("A maintainer needs to approve this PR for CI by commenting")
+ }
+ }
+
  stage('Test Suite') {
  matrix {
  axes {
@@ -107,7 +119,8 @@ pipeline {
  versioner(
  token: "${GITHUB_PACKAGES_TOKEN}"
  , dry: true
- , repo: repo
+ , repo: REPO
+ , branch: "master"
  )
  }
  }
@@ -140,8 +153,9 @@ pipeline {
  versioner(
  token: "${GITHUB_PACKAGES_TOKEN}"
  , dry: false
- , repo: repo
+ , repo: REPO
  , NPM_PUBLISH_TOKEN: "${NPM_PUBLISH_TOKEN}"
+ , branch: "master"
  )
  }
  }