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Bug#797951: lintian: Please relax dependency checks to allow versions with tilde



Package: lintian
Version: 2.5.36.1
Severity: wishlist
Tags: patch

Hello,

When it comes to to relative package dependencies, I grew into the
habit to make them backports-friendly, i.e. use version numbers with
the tilde character appended. For reasons of simplicity even when they
are very likely never used. So I prefer to write

  Depends: foo (>> 1.0~)

alternatively: ">= 1.0~" instead of

  Depends: foo (>= 1.0)

which by the way also allows me to avoid the >= and <= operators at
all, different story.

However, lintian does not appreciate this approach: Since I use
Build-Profiles in one of my packages, I added a dependency on

  Build-Depends: debhelper (>= 9.20141010~)

which triggers the
restriction-formula-with-debhelper-without-debhelper-version
warning.

Would you mind relaxing check a bit? The patch below worked for me
although a few places in checks/fields.pm might deserve an according
change, too.

    Christoph

-- System Information:
Debian Release: stretch/sid
  APT prefers testing
  APT policy: (500, 'testing')
Architecture: amd64 (x86_64)

Kernel: Linux 4.1.6 (SMP w/4 CPU cores; PREEMPT)
Locale: LANG=C, LC_CTYPE=C (charmap=ANSI_X3.4-1968)
Shell: /bin/sh linked to /bin/dash
Init: unable to detect

Versions of packages lintian depends on:
ii  binutils                       2.25.1-1
ii  bzip2                          1.0.6-8
ii  diffstat                       1.60-1
ii  file                           1:5.22+15-2
ii  gettext                        0.19.4-1
ii  hardening-includes             2.7
ii  intltool-debian                0.35.0+20060710.2
ii  libapt-pkg-perl                0.1.29+b2
ii  libarchive-zip-perl            1.49-1
ii  libclass-accessor-perl         0.34-1
ii  libclone-perl                  0.38-1
ii  libdpkg-perl                   1.18.2
ii  libemail-valid-perl            1.196-1
ii  libfile-basedir-perl           0.07-1
ii  libipc-run-perl                0.94-1
ii  liblist-moreutils-perl         0.413-1
ii  libparse-debianchangelog-perl  1.2.0-8
ii  libtext-levenshtein-perl       0.12-1
ii  libtimedate-perl               2.3000-2
ii  liburi-perl                    1.69-1
ii  man-db                         2.7.2-1
ii  patchutils                     0.3.4-1
ii  perl [libdigest-sha-perl]      5.20.2-6
ii  t1utils                        1.38-4
ii  xz-utils                       5.1.1alpha+20120614-2.1

Versions of packages lintian recommends:
ii  dpkg                            1.18.2
pn  libperlio-gzip-perl             <none>
ii  perl                            5.20.2-6
ii  perl-modules [libautodie-perl]  5.20.2-6

Versions of packages lintian suggests:
pn  binutils-multiarch     <none>
ii  dpkg-dev               1.18.2
ii  libhtml-parser-perl    3.71-2
ii  libtext-template-perl  1.46-1
ii  libyaml-perl           1.13-1

-- no debconf information



diff --git a/checks/control-file.pm b/checks/control-file.pm
index 32d2f8e..37757ff 100644
--- a/checks/control-file.pm
+++ b/checks/control-file.pm
@@ -359,14 +359,14 @@ sub run {
         my $build_all = $info->relation('build-depends-all');
         my $build_conflicts_all = $info->relation('build-conflicts-all');
         tag 'restriction-formula-without-versioned-dpkg-dev-dependency'
-          unless ($build_all->implies('dpkg-dev (>= 1.17.14)'));
+          unless ($build_all->implies('dpkg-dev (>= 1.17.14~)'));
         tag 'restriction-formula-with-versioned-dpkg-dev-conflict'
           if ($build_conflicts_all->implies_inverse('dpkg-dev (<< 1.17.14)'));
         # if the package uses debhelper then it must require and not
         # conflict with version >= 9.20141010
         if ($build_all->implies('debhelper')) {
             tag 'restriction-formula-with-debhelper-without-debhelper-version'
-              unless ($build_all->implies('debhelper (>= 9.20141010)'));
+              unless ($build_all->implies('debhelper (>= 9.20141010~)'));
             #<<< no tidy, tag name too long
             tag 'restriction-formula-with-debhelper-with-conflicting-version'
             #>>>

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