[Feature request] zypper --releasever=XX.x dup: show list of releasever-changed repo addresses and unchanged adresses

[SpaLox1]

At the beginning of a zypper --releasever= dup procedure

(1) show the repo addresses to change via releasever

Main repositoy
http://download.opensuse.org/distribution/leap/15.5/repo/oss/ will be changed to http://download.opensuse.org/distribution/leap/15.6/repo/oss/
...

(2) show the repo addresses which will not be changed
The following repo addresses will not be changed:
Softmaker Office repository
https://shop.softmaker.com/repo/rpm
...

(3) show a warning if a repo address contains two number characters and is not to be changed

(4) Ask for user confirmation

[mlandres]

Simple workaround zypper --releasever=@@@@@ lr -u.