ceph-dev-cron: Comment explaining cfg

Signed-off-by: David Galloway <david.galloway@ibm.com>

diff --git a/ceph-dev-cron/build/Jenkinsfile b/ceph-dev-cron/build/Jenkinsfile
index d8e066abf049907bf0c347130db0872b67accd43..3b396f723750fc87eb3f0ba553759f07a39ba2b8 100644 (file)
--- a/ceph-dev-cron/build/Jenkinsfile
+++ b/ceph-dev-cron/build/Jenkinsfile
@@ -2,7 +2,10 @@ node('built-in') {
   def repoUrl  = 'https://github.com/ceph/ceph'
   def branches = ['main','tentacle','squid','reef']
 
-  // Define flavor/distro combinations
+  // Define flavor/distro combinations per branch.
+  // Below when we trigger, we send ARCHS=x86_64 and FLAVORS=default by default
+  // so the extras list should be used to specify a distro/flavor/arch combination other than
+  // those defaults (e.g., any arm64 or debug builds need an extras[] entry.
   def cfg = [
       reef: [
           distros: 'jammy focal centos9 windows',