$ git clone -n https://src.fedoraproject.org/rpms/rust-libspa-sys.git /var/lib/mock/f45-build-42953-797/root/chroot_tmpdir/scmroot/rust-libspa-sys
Cloning into '/var/lib/mock/f45-build-42953-797/root/chroot_tmpdir/scmroot/rust-libspa-sys'...
$ git fetch origin af2ff580d0116f99a6546229487ccdd130003ef0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-libspa-sys
 * [new ref]         af2ff580d0116f99a6546229487ccdd130003ef0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at af2ff58 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild