Bug#580494: lintian: stronger-dependency-implies-weaker false positives on package names containing substvars

[Andreas Beckmann <debian@abeckmann.de>]

Package: lintian
Version: 2.4.1
Severity: normal

Hi,

lintian reports incorrectly 

    W: nvidia-graphics-drivers source: stronger-dependency-implies-weaker libcuda1-ia32 recommends -> suggests nvidia-kernel${nvidia:Legacy}-source (>= ${nvidia:Version})

for the following contruct in debian/control:

    Package: libcuda1
    Recommends: nvidia-kernel${nvidia:Legacy}-${nvidia:Version}
    Suggests: nvidia-kernel${nvidia:Legacy}-source (>= ${nvidia:Version})

Looks like lintian only considers 'nvidia-kernel' as the package name,
omitting the substvars and everything coming after them. For the source
package the full package name including unsubstituted substvars should be
considered when comparing them, "collisions" (= different substitutions
resulting in the same package name really creating a
stronger-dependency-implies-weaker relalationship) can be detected in the
binary packages.


Andreas

-- System Information:
Debian Release: squeeze/sid
  APT prefers testing
  APT policy: (800, 'testing'), (800, 'stable'), (600, 'unstable'), (130, 'experimental')
Architecture: amd64 (x86_64)

Kernel: Linux 2.6.31-0-amd64 (SMP w/4 CPU cores)
Locale: LANG=C, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash

Versions of packages lintian depends on:
ii  binutils              2.20.51.20100418-1 The GNU assembler, linker and bina
ii  diffstat              1.47-1             produces graph of changes introduc
ii  dpkg-dev              1.15.7.1           Debian package development tools
ii  file                  5.04-2             Determines file type using "magic"
ii  gettext               0.17-11            GNU Internationalization utilities
ii  intltool-debian       0.35.0+20060710.1  Help i18n of RFC822 compliant conf
ii  libapt-pkg-perl       0.1.24             Perl interface to libapt-pkg
ii  libclass-accessor-per 0.34-1             Perl module that automatically gen
ii  libdigest-sha-perl    5.48-1             Perl extension for SHA-1/224/256/3
ii  libipc-run-perl       0.89-1             Perl module for running processes
ii  libparse-debianchange 1.1.1-2            parse Debian changelogs and output
ii  libtimedate-perl      1.2000-1           collection of modules to manipulat
ii  liburi-perl           1.54-1             module to manipulate and access UR
ii  locales               2.10.2-6           Embedded GNU C Library: National L
ii  man-db                2.5.7-2            on-line manual pager
ii  perl [libdigest-sha-p 5.10.1-12          Larry Wall's Practical Extraction 

lintian recommends no packages.

Versions of packages lintian suggests:
ii  binutils-multiarch    2.20.51.20100418-1 Binary utilities that support mult
pn  libtext-template-perl <none>             (no description available)
ii  man-db                2.5.7-2            on-line manual pager

-- no debconf information