Здравствуйте ruslandh
  В сообщении от 6 мая 2015 ruslandh написал(a):
> Тупиковый вариант:
>
> # alien --to-deb -c viber-4.2.2.6-2.rpm
> Package build failed. Here's the log:
> dh_testdir
> dh_testdir
> dh_testroot
> dh_prep
> dh_installdirs
> dh_installdocs
> dh_installchangelogs
> dpkg-parsechangelog: error: changelog format debian is unknown
> dh_installchangelogs: changelog parse failure
> make: *** [binary-arch] Error 2

Решается в 2 шага:
alien --to-deb -s -c viber-4.2.2.6-2.rpm
Приводим всё в "юожеский вид"
dpkg --build viber-4.2.2.6-2

Но дальше ....
После обратной генерации в спеке:

страшно смотреть:

%post
#!/bin/sh
set -e
mkdir /tmp/alien.$$
perl -pe '$_=unpack("u",$_)' << '__EOF__' > /tmp/alien.$$/script
M(R$O8FEN+V)A<V@*=7!D871E+61E<VMT;W`M9&%%T86)A<V4@)CX@+V1E=B]N
M=6QL('Q\(#H*=&]U8V@@+2UN;RUC<F5A=&4@+W5S<B]S:&%%R92]I8V]N<R]H
M:6-O;&]R("8^+V1E=B]N=6QL('Q\(#H*:68@6R`M>"`O=7-R+V)I;B]G=&LM
M=7!D871E+6EC;VXM8V%%C:&4@73L@=&AE;@H@("`@+W5S<B]B:6XO9W1K+75P
M9&%%T92UI8V]N+6-A8VAE("TM<75I970@+W5S<B]S:&%%R92]I8V]N<R]H:6-O
+;&]R('Q\(#H*9FD`
__EOF__
chmod 755 /tmp/alien.$$/script
/tmp/alien.$$/script "$@"
rm -f /tmp/alien.$$/script
rmdir /tmp/alien.$$


%preun
#!/bin/sh
set -e
mkdir /tmp/alien.$$
perl -pe '$_=unpack("u",$_)' << '__EOF__' > /tmp/alien.$$/script
M(R$O8FEN+V)A<V@*05!04#TB)"AP9W)E<"!6:6)E<B!\(&AE860@+6X@,2DB
M"FEF(%%L@)$%%04%%`@/B`B,"(@73L*=&AE;@I54T5205`](B0H;&]G;F%%M92DB
M(`IT;W5C:"`O;W!T+W9I8F5R+W5N:6YS=&%%L;"YS:"`*96-H;R`B(R$O8FEN
M+W-H"F%%P<&YA;64]5FEB97(*9&ER;F%%M93TO;W!T+W9I8F5R"DQ$7TQ)0E)!
M4EE?4$%%42#U<)&1I<FYA;64*97AP;W)T($Q$7TQ)0E)!4EE?4$%%42`I<)&1I
M<FYA;64O7"1A<'!N86UE(%%PB7"1`7"(B(#X^("]O<'0O=FEB97(O=6YI;G-T
M86QL+G-H"F-H;6]D(#<U-2`O;W!T+W9I8F5R+W5N:6YS=&%%L;"YS:`IS=2`D
M55-%%4D%%0("]O<'0O=FEB97(O=6YI;G-T86QL+G-H($5X:716:6)E<B`*<FT@
M+68@+V]P="]V:6)E<B]U;FEN<W1A;&PN<V@@"F5L<V4*.@IF:0II9B!;("0Q
M(#T@(G)E;6]V92(@70IT:&5N(`HO;W!T+W9I8F5R+U9I8F5R($1E86-T:79A
M=&56:6)E<CTR"G)M("UF("]T;7`O<71S:6YG;&5A<'`M5FEB97(J"F9I"F5X
%%:70@,`H`
__EOF__
chmod 755 /tmp/alien.$$/script
/tmp/alien.$$/script "$@"
rm -f /tmp/alien.$$/script
rmdir /tmp/alien.$$

%postun
%postun
#!/bin/sh
set -e
mkdir /tmp/alien.$$
perl -pe '$_=unpack("u",$_)' << '__EOF__' > /tmp/alien.$$/script
M(R$O8FEN+V)A<V@*:68@6R`D,2`M97$@,"!=(#L@=&AE;@H@("`@=&]U8V@@
M+2UN;RUC<F5A=&4@+W5S<B]S:&%%R92]I8V]N<R]H:6-O;&]R("8^+V1E=B]N
M=6QL"B`@("!G=&LM=7!D871E+6EC;VXM8V%%C:&4@+W5S<B]S:&%%R92]I8V]N
M<R]H:6-O;&]R("8^+V1E=B]N=6QL('Q\(#H*9FD*=7!D871E+61E<VMT;W`M
:9&%%T86)A<V4@)CX@+V1E=B]N=6QL('Q\(#H`
__EOF__
chmod 755 /tmp/alien.$$/script
/tmp/alien.$$/script "$@"
rm -f /tmp/alien.$$/script
rmdir /tmp/alien.$$

-- 
С уважением Хихин Руслан