$ git clone -n https://src.fedoraproject.org/rpms/rust-exitfailure.git /var/lib/mock/f38-build-side-43-rust-devel-1417304-31459/root/chroot_tmpdir/scmroot/rust-exitfailure
Cloning into '/var/lib/mock/f38-build-side-43-rust-devel-1417304-31459/root/chroot_tmpdir/scmroot/rust-exitfailure'...
$ git fetch origin 1bbae67c8421f6ab8345add938d7dbb7f0f729e2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-exitfailure
 * [new ref]         1bbae67c8421f6ab8345add938d7dbb7f0f729e2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1bbae67 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild