$ git clone -n https://src.fedoraproject.org/rpms/rubygem-listen.git /var/lib/mock/f40-build-2033902-47850/root/chroot_tmpdir/scmroot/rubygem-listen
Cloning into '/var/lib/mock/f40-build-2033902-47850/root/chroot_tmpdir/scmroot/rubygem-listen'...
$ git fetch origin f58a672630fb01d22e2d8599c83a7f4c6d61bcc1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rubygem-listen
 * [new ref]         f58a672630fb01d22e2d8599c83a7f4c6d61bcc1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f58a672 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild