$ git clone -n https://src.fedoraproject.org/rpms/rust-mac.git /var/lib/mock/f40-build-2714212-72264/root/chroot_tmpdir/scmroot/rust-mac
Cloning into '/var/lib/mock/f40-build-2714212-72264/root/chroot_tmpdir/scmroot/rust-mac'...
$ git fetch origin 62f608bc8d25cdf53c63ae39c0bce567b5faf0f5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-mac
 * [new ref]         62f608bc8d25cdf53c63ae39c0bce567b5faf0f5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 62f608b Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild