$ git clone -n https://src.fedoraproject.org/rpms/phpunit12.git /var/lib/mock/f42-build-side-1-3504330-45983/root/chroot_tmpdir/scmroot/phpunit12
Cloning into '/var/lib/mock/f42-build-side-1-3504330-45983/root/chroot_tmpdir/scmroot/phpunit12'...
$ git fetch origin 81aca185d2a57919cc23ce779df95a88af63d5e4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/phpunit12
 * [new ref]         81aca185d2a57919cc23ce779df95a88af63d5e4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 81aca18 update to 12.1.0