#! /bin/sh /usr/share/dpatch/dpatch-run
## 801-implement-dbg-checks.dpatch by Eero Häkkinen <eero.hakkinen@nokia.com>
##
## All lines beginning with `## DP:' are a description of the patch.
## DP: Require <package>-dbg=<version> to declare dependency on
## DP: <package>=<version>.

@DPATCH@
diff -urNad lintian~/checks/control-file lintian/checks/control-file
--- lintian~/checks/control-file	2006-09-21 15:27:18.000000000 +0300
+++ lintian/checks/control-file	2006-09-21 15:27:18.000000000 +0300
@@ -84,5 +84,9 @@
 	tag "build-info-in-binary-control-file-section", "Package ".$binary_control->{"package"}
 	    if ($binary_control->{"build-depends"} || $binary_control->{"build-depends-indep"} ||
 	        $binary_control->{"build-conflicts"} || $binary_control->{"build-conflicts-indep"});
+
+	tag "dbg-binary-control-file-section-lacks-strict-versioned-dependency", "Package ".$binary_control->{"package"}
+	    if ($binary_control->{"package"} =~ /^(.*)-dbg$/ &&
+	        ($binary_control->{"depends"}||'') !~ /(?:.*,\s*)?\Q$1\E\s*\(\s*=\s*\$\{(?:Source-Version|binary:Version|source:Version)\}\)/);
 }
 
diff -urNad lintian~/checks/control-file.desc lintian/checks/control-file.desc
--- lintian~/checks/control-file.desc	2006-09-21 15:27:18.000000000 +0300
+++ lintian/checks/control-file.desc	2006-09-21 15:27:18.000000000 +0300
@@ -31,6 +31,18 @@
  The binary section is not used and should thus be removed from
  the Debian control file.
 
+Tag: dbg-binary-control-file-section-lacks-strict-versioned-dependency
+Type: error
+Info: The dbg package section in the control file does not declare
+ dependency on the binary package of the exact same version.
+ .
+ Debugging symbols are specific to binaries from the same build configuration
+ thus dbg packages must declare dependency on the correcponding binary
+ packages of the exact same version.
+ .
+ Thus, the binary control file section of a package `util-dbg' must contain
+ a field `Depends: util (= ${Source-Version})'.
+
 Tag: debian-control-with-duplicate-fields
 Type: error
 Info: One of the paragraphs of your debian/control contains the same
diff -urNad lintian~/checks/fields lintian/checks/fields
--- lintian~/checks/fields	2006-09-21 15:27:18.000000000 +0300
+++ lintian/checks/fields	2006-09-21 15:27:18.000000000 +0300
@@ -555,6 +555,10 @@
 		}
 	}
 
+	tag "dbg-package-lacks-strict-versioned-dependency"
+	    if ($version && $pkg =~ /^(.*)-dbg$/ &&
+	        ($fields{depends}||'') !~ /(?:,\s*)?\Q$1\E\s*\(\s*=\s*\Q$version\E\)/);
+
	tag "dbg-package-missing-depends", $debugbase
		if ($debugpackage && !$debugfound);

diff -urNad lintian~/checks/fields.desc lintian/checks/fields.desc
--- lintian~/checks/fields.desc	2006-09-21 15:27:18.000000000 +0300
+++ lintian/checks/fields.desc	2006-09-21 15:27:18.000000000 +0300
@@ -753,3 +753,12 @@
 Info: This package has a name suggesting that it contains detached
  debugging symbols.  If so, it should have priority "extra" since users
  normally do not need such packages.
+
+Tag: dbg-package-lacks-strict-versioned-dependency
+Type: error
+Info: The dbg package does not declare dependency on the binary package of
+ the exact same version.
+ .
+ Debugging symbols are specific to binaries from the same build configuration
+ thus dbg packages must declare dependency on the correcponding binary
+ packages of the exact same version.