From 4d13504211b37fdead851f9afac4d87e276cd8d0 Mon Sep 17 00:00:00 2001
From: Niels de Vos <ndevos@redhat.com>
Date: Wed, 12 Aug 2020 15:17:28 +0200
Subject: [PATCH] ci: skip ci-job-validation for doc-only PRs

Signed-off-by: Niels de Vos <ndevos@redhat.com>
---
 ci-job-validation.groovy | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/ci-job-validation.groovy b/ci-job-validation.groovy
index c4192ef6f..230ecd350 100644
--- a/ci-job-validation.groovy
+++ b/ci-job-validation.groovy
@@ -3,7 +3,9 @@ def cico_retry_interval = 60
 def ci_git_repo = 'https://github.com/ceph/ceph-csi'
 def ci_git_branch = 'ci/centos'
 def ref = 'ci/centos'
+def git_since = 'ci/centos'
 def base = ''
+def doc_change = 0
 
 node('cico-workspace') {
 	stage('checkout ci repository') {
@@ -14,6 +16,29 @@ node('cico-workspace') {
 			userRemoteConfigs: [[url: "${ci_git_repo}", refspec: "${ref}"]]])
 	}
 
+	stage('checkout PR') {
+		if (params.ghprbPullId != null) {
+			ref = "pull/${ghprbPullId}/head"
+		}
+		if (params.ghprbTargetBranch != null) {
+			git_since = "${ghprbTargetBranch}"
+		}
+
+		sh "git clone --depth=1 --branch='${git_since}' '${git_repo}' ~/build/ceph-csi"
+		sh "cd ~/build/ceph-csi && git fetch origin ${ref} && git checkout -b ${ref} FETCH_HEAD"
+	}
+
+	stage('check doc-only change') {
+		doc_change = sh(
+			script: "cd ~/build/ceph-csi && \${OLDPWD}/scripts/skip-doc-change.sh origin/${git_since}",
+			returnStatus: true)
+	}
+	// if doc_change (return value of skip-doc-change.sh is 1, do not run the other stages
+	if (doc_change == 1) {
+		currentBuild.result = 'SUCCESS'
+		return
+	}
+
 	stage('reserve bare-metal machine') {
 		def firstAttempt = true
 		retry(30) {