$ git clone -n https://src.fedoraproject.org/rpms/rust-easy-cast.git /var/lib/mock/f45-build-41417-782/root/chroot_tmpdir/scmroot/rust-easy-cast
Cloning into '/var/lib/mock/f45-build-41417-782/root/chroot_tmpdir/scmroot/rust-easy-cast'...
$ git fetch origin cbd24077b8536582a9ea425b529e33443ea0bcb7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-easy-cast
 * [new ref]         cbd24077b8536582a9ea425b529e33443ea0bcb7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cbd2407 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild