$ git clone -n https://src.fedoraproject.org/rpms/rust-image-webp.git /var/lib/mock/f45-build-42528-794/root/chroot_tmpdir/scmroot/rust-image-webp
Cloning into '/var/lib/mock/f45-build-42528-794/root/chroot_tmpdir/scmroot/rust-image-webp'...
$ git fetch origin e8f9a9d63033bf0aaaba7968088390178892c32e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-image-webp
 * [new ref]         e8f9a9d63033bf0aaaba7968088390178892c32e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e8f9a9d Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild