$ git clone -n https://src.fedoraproject.org/rpms/libxc.git /var/lib/mock/f40-build-740431-109670/root/chroot_tmpdir/scmroot/libxc
Cloning into '/var/lib/mock/f40-build-740431-109670/root/chroot_tmpdir/scmroot/libxc'...
$ git fetch origin abdc9a339ce9ed444e9e4771359528361d5b9ac7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libxc
 * [new ref]         abdc9a339ce9ed444e9e4771359528361d5b9ac7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at abdc9a3 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild