add vendor information for BlankOn

Modified by commiter to not publicily export the codename (as the
manpages do not use it that way) and removing the included additional
derives logic as it was not working (the link always exists at that
point) and isn't needed as we do the special casing for debian mainly
because it would shallow all distributions otherwise.
(similar, but not that strong for ubuntu)

Closes: 743595

vendor/blankon/apt-vendor.ent

@@ -0,0 +1,8 @@
+<!-- details about the keys used by the distribution -->
+<!ENTITY keyring-distro "BlankOn">
+<!ENTITY keyring-package "<package>blankon-keyring</package>">
+<!ENTITY keyring-filename "<filename>/usr/share/keyrings/blankon-archive-keyring.gpg</filename>">
+<!ENTITY keyring-removed-filename "<filename>/usr/share/keyrings/blankon-archive-removed-keys.gpg</filename>">
+<!ENTITY keyring-master-filename "/usr/share/keyrings/blankon-master-keyring.gpg">
+<!ENTITY keyring-uri "http://arsip.blankonlinux.or.id/blankon/project/blankon-archive-keyring.gpg">
+<!ENTITY current-codename "tambora">

vendor/blankon/sources.list.in

@@ -0,0 +1,10 @@
+# See sources.list(5) manpage for more information
+# Remember that CD-ROMs, DVDs and such are managed through the apt-cdrom tool.
+deb http://arsip.blankonlinux.or.id/blankon &current-codename; main restricted
+deb-src http://arsip.blankonlinux.or.id/blankon &current-codename; main restricted
+
+deb http://arsip.blankonlinux.or.id/blankon &current-codename;-security main restricted
+deb-src http://arsip.blankonlinux.or.id/blankon &current-codename;-security main restricted
+
+deb http://arsip.blankonlinux.or.id/blankon &current-codename;-updates main restricted
+deb-src http://arsip.blankonlinux.or.id/blankon &current-codename;-updates main restricted