[yocto] replace etc/network/interfaces with symbolic link

[Aurele Traynard]

Hi,

I'm trying to find a clean way to replace /etc/network/interfaces with a
symbolic link. (it comes with init-ifupdown recipe)
I tried with  a bbappend but nothing appear in final filesystem and
/etc/network/interfaces still exists...

I'm sure the following code is completely wrong, but I don't know how to do
this with the right way...
do_install_append () {
    mkdir -p datas/network

    install -d 0755 ${D}/datas
    install -d 0755 ${D}/datas/network
    install -m 0755 ${D}${sysconfdir}/network/interfaces ${D}/datas/network
    #mv ${D}${sysconfdir}/network/interfaces ${D}/datas/network
    rm ${D}${sysconfdir}/network/interfaces
    ln -sf /datas/network/interfaces ${D}${sysconfdir}/network/interfaces

}
FILES_${PN} += "/datas/ /datas/network/interfaces"

thanks for any help
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