$ git clone -n https://src.fedoraproject.org/rpms/efi-rpm-macros.git /var/lib/mock/f42-build-3272925-41309/root/chroot_tmpdir/scmroot/efi-rpm-macros
Cloning into '/var/lib/mock/f42-build-3272925-41309/root/chroot_tmpdir/scmroot/efi-rpm-macros'...
$ git fetch origin 4daf6657c3042e50fc2ed5a5c4aa75a84fa58a7d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/efi-rpm-macros
 * [new ref]         4daf6657c3042e50fc2ed5a5c4aa75a84fa58a7d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4daf665 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild