$ git clone -n https://src.fedoraproject.org/rpms/rust-fixedbitset0.2.git /var/lib/mock/f38-build-side-43-rust-devel-1415145-31454/root/chroot_tmpdir/scmroot/rust-fixedbitset0.2
Cloning into '/var/lib/mock/f38-build-side-43-rust-devel-1415145-31454/root/chroot_tmpdir/scmroot/rust-fixedbitset0.2'...
$ git fetch origin 905e5feabc2e21f6aa2215c3f3f88816fca8272b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-fixedbitset0.2
 * [new ref]         905e5feabc2e21f6aa2215c3f3f88816fca8272b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 905e5fe Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild