Comment # 41 on bug 1126480 from Josua Mayer

rpm -qi kernel-default-4.12.14-lp151.25.4 | grep '^GIT'
GIT Revision: bb82b7a209b831e6663b45b8a5cb523f82f39de6
GIT Branch: openSUSE-15.1
Build Date  : Fri May  3 23:58:59 2019

rpm -r /.snapshots/217/snapshot/ -qi kernel-default-4.12.14-lp151.25.3 | grep
'^GIT'
GIT Revision: bb82b7a209b831e6663b45b8a5cb523f82f39de6
GIT Branch: openSUSE-15.1
Build Date  : Mon Apr 29 23:15:20 2019

That is rather curious ... ... ... and disconcerting