$ git clone -n https://src.fedoraproject.org/rpms/libxc.git /var/lib/mock/f38-build-side-42-init-devel-997637-29140/root/chroot_tmpdir/scmroot/libxc
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-997637-29140/root/chroot_tmpdir/scmroot/libxc'...
$ git fetch origin 5d9bb7a98560f84ffcce0c8089facd1e467eb425:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libxc
 * [new ref]         5d9bb7a98560f84ffcce0c8089facd1e467eb425 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5d9bb7a Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild