$ git clone -n https://src.fedoraproject.org/rpms/rust-mime.git /var/lib/mock/f40-build-2653099-66898/root/chroot_tmpdir/scmroot/rust-mime
Cloning into '/var/lib/mock/f40-build-2653099-66898/root/chroot_tmpdir/scmroot/rust-mime'...
$ git fetch origin 20970234ec32431a8e38b0893c0acd496f777e39:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-mime
 * [new ref]         20970234ec32431a8e38b0893c0acd496f777e39 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2097023 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild