[rdiff-backup-users] spec file doesn't build on SuSE due to differing doc directories

[Charles Duffy]

The spec file provided in the rdiff-backup tarball has documentation 
files covered with %doc entries under the %files section, but also 
(apparently) puts them in place [more specifically, 
$RPM_BUILD_ROOT/usr/share/doc/rdiff-backup-1.0.0] during the distutils 
install phase. The issue with this is that SuSE doesn't *use* 
/usr/share/doc/<packagename> for package-specific documentation; rather, 
in this case it goes in /usr/share/doc/packages/<packagename>.

I found the easiest fix to be rm'ing $RPM_BUILD_ROOT/usr/share/doc/* 
during the %install phase, and letting RPM put the doc files in place 
out of the source tree itself (which, given that they're provided with 
relative (well, actually no) paths, Does The Right Thing).