$ git clone -n https://src.fedoraproject.org/rpms/rust-libseccomp-sys.git /var/lib/mock/f45-build-42952-797/root/chroot_tmpdir/scmroot/rust-libseccomp-sys
Cloning into '/var/lib/mock/f45-build-42952-797/root/chroot_tmpdir/scmroot/rust-libseccomp-sys'...
$ git fetch origin 907a166a716e1b7f155341fa96bf23fd6453f399:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-libseccomp-sys
 * [new ref]         907a166a716e1b7f155341fa96bf23fd6453f399 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 907a166 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild