$ git clone -n https://src.fedoraproject.org/rpms/rust-relm4-macros.git /var/lib/mock/f45-build-44420-813/root/chroot_tmpdir/scmroot/rust-relm4-macros
Cloning into '/var/lib/mock/f45-build-44420-813/root/chroot_tmpdir/scmroot/rust-relm4-macros'...
$ git fetch origin 5b2e692ec602b9ae0c195543f6af04a941c06661:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-relm4-macros
 * [new ref]         5b2e692ec602b9ae0c195543f6af04a941c06661 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5b2e692 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild