$ git clone -n https://src.fedoraproject.org/rpms/rust-uefi-macros.git /var/lib/mock/f45-build-45824-828/root/chroot_tmpdir/scmroot/rust-uefi-macros
Cloning into '/var/lib/mock/f45-build-45824-828/root/chroot_tmpdir/scmroot/rust-uefi-macros'...
$ git fetch origin 3efa7f8381d764286191c5c967a721726dd5ab97:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-uefi-macros
 * [new ref]         3efa7f8381d764286191c5c967a721726dd5ab97 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3efa7f8 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild