System(s) where you built it (successfully):
Package update
./pre-inst-env guix build -k -P1 PACKAGE ...):
Package addition
guix lint (./pre-inst-env guix lint PACKAGE ...).[ ] Commit messages follow the "ChangeLog" style.
[ ] The change doesn't break guix pull (guix pull --url=/path/to/your/checkout --profile=/tmp/guix.master --disable-authentication).
Successfully cross-compiled to the following target(s) (this is optional):