$ git clone -n https://src.fedoraproject.org/rpms/rust-interpolate_name.git /var/lib/mock/f45-build-42583-795/root/chroot_tmpdir/scmroot/rust-interpolate_name
Cloning into '/var/lib/mock/f45-build-42583-795/root/chroot_tmpdir/scmroot/rust-interpolate_name'...
$ git fetch origin 4c0607ecc5944f55f0b7fb248aba3f8ff4dd5fdb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-interpolate_name
 * [new ref]         4c0607ecc5944f55f0b7fb248aba3f8ff4dd5fdb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4c0607e Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild