Package: devscripts
Version: 2.10.61
Severity: normal
Tags: patch

My /etc/apt/sources.list contains only component 'main' in deb-src line,
and when I run build-rdeps, it shows error messages "No such file or
directory" about missing Sources for components 'contrib' and
'non-free':

$ LANG=C build-rdeps xqilla
Reverse Build-depends in main:
------------------------------

No reverse build-depends found for xqilla.

Reverse Build-depends in contrib:
---------------------------------

/usr/bin/grep-dctrl: 
/var/lib/apt/lists//ftp.se.debian.org_debian_dists_sid_contrib_source_Sources: 
No such file or directory
No reverse build-depends found for xqilla.

Reverse Build-depends in non-free:
----------------------------------

/usr/bin/grep-dctrl: 
/var/lib/apt/lists//ftp.se.debian.org_debian_dists_sid_non-free_source_Sources: 
No such file or directory
No reverse build-depends found for xqilla.

Here is a patch that adds simple check for existance of Sources files
for each component.

The latter part of patch changes conditions in such way that it works
also for unknown components if any.

Index: scripts/build-rdeps.pl
===================================================================
--- scripts/build-rdeps.pl	(revision 2077)
+++ scripts/build-rdeps.pl	(working copy)
@@ -188,7 +188,8 @@
     $filename =~ s/\//_/g;
     # -> ftp.debian.org_..._main_source_Sources
     $filename = "${base}_${filename}";
-    if (test_for_valid_component($filename) == 0) {
+    if (test_for_valid_component($filename) == 0
+	and -e "$sources_path/$filename") {
 	push(@source_files, $filename);
 	print STDERR "DEBUG: Added source file: $_\n" if ($opt_debug);
     }
@@ -305,17 +306,23 @@
 		findreversebuilddeps($package, "$sources_path/$source_file");
 	}
 
-	if ($source_file =~ /contrib/) {
+	elsif ($source_file =~ /contrib/) {
 		print "Reverse Build-depends in contrib:\n";
 		print "---------------------------------\n\n";
 		findreversebuilddeps($package, "$sources_path/$source_file");
 	}
 
-	if ($source_file =~ /non-free/) {
+	elsif ($source_file =~ /non-free/) {
 		print "Reverse Build-depends in non-free:\n";
 		print "----------------------------------\n\n";
 		findreversebuilddeps($package, "$sources_path/$source_file");
 	}
+
+	else {
+		print "Reverse Build-depends in UNKNOWN:\n";
+		print "----------------------------------\n\n";
+		findreversebuilddeps($package, "$sources_path/$source_file");
+	}
 }
 
 =head1 LICENSE
-- System Information:
Debian Release: squeeze/sid
  APT prefers unstable
  APT policy: (500, 'unstable'), (1, 'experimental')
Architecture: amd64 (x86_64)

Kernel: Linux 2.6.31-1-amd64 (SMP w/2 CPU cores)
Locale: LANG=fi_FI.UTF-8, LC_CTYPE=fi_FI.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/bash

Versions of packages devscripts depends on:
ii  dpkg-dev                      1.15.5.6   Debian package development tools
ii  libc6                         2.10.2-5   Embedded GNU C Library: Shared lib
ii  perl                          5.10.1-8   Larry Wall's Practical Extraction 

Versions of packages devscripts recommends:
ii  at                 3.1.12-1              Delayed job execution and batch pr
ii  bsd-mailx [mailx]  8.1.2-0.20090911cvs-2 simple mail user agent
ii  bzr                2.0.3-1               easy to use distributed version co
ii  curl               7.19.7-1              Get a file from an HTTP, HTTPS or 
ii  cvs                1:1.12.13-12          Concurrent Versions System
ii  dctrl-tools        2.14                  Command-line tools to process Debi
ii  debian-keyring [de 2009.11.04            GnuPG (and obsolete PGP) keys of D
ii  dput               0.9.5.1               Debian package upload tool
ii  epiphany-gecko [ww 2.26.3-2              Intuitive GNOME web browser - Geck
ii  equivs             2.0.7-0.1             Circumvent Debian package dependen
ii  fakeroot           1.14.4-1              Gives a fake root environment
ii  git-core           1:1.6.6-1             fast, scalable, distributed revisi
ii  gnupg              1.4.10-2              GNU privacy guard - a free PGP rep
ii  libauthen-sasl-per 2.13-1                Authen::SASL - SASL Authentication
ii  libcrypt-ssleay-pe 0.57-2                Support for https protocol in LWP
ii  libparse-debcontro 2.005-2               Easy OO parsing of Debian control-
ii  libsoap-lite-perl  0.710.10-1            Perl implementation of a SOAP clie
ii  libterm-size-perl  0.2-4+b1              Perl extension for retrieving term
ii  libtimedate-perl   1.1900-1              Time and date functions for Perl
ii  liburi-perl        1.50-1                module to manipulate and access UR
ii  libwww-perl        5.834-1               Perl HTTP/WWW client/server librar
ii  libyaml-syck-perl  1.07-1                fast, lightweight YAML loader and 
ii  lintian            2.3.1                 Debian package checker
ii  lsb-release        3.2-23                Linux Standard Base version report
ii  lynx-cur [www-brow 2.8.8dev.2-1          Text-mode WWW Browser with NLS sup
ii  lzma               4.43-14               Compression method of 7z format in
ii  man-db             2.5.6-5               on-line manual pager
ii  openssh-client [ss 1:5.2p1-1             secure shell (SSH) client, for sec
ii  patch              2.6-2                 Apply a diff file to an original
ii  patchutils         0.3.1-2               Utilities to work with patches
ii  sensible-utils     0.0.2                 Utilities for sensible alternative
ii  strace             4.5.19-1              A system call tracer
ii  subversion         1.6.6dfsg-2           Advanced version control system
ii  unzip              6.0-1                 De-archiver for .zip files
ii  w3m [www-browser]  0.5.2-2.1             WWW browsable pager with excellent
ii  wdiff              0.5-19                Compares two files word by word
ii  wget               1.12-1.1              retrieves files from the web

Versions of packages devscripts suggests:
ii  build-essential               11.4       Informational list of build-essent
pn  cvs-buildpackage              <none>     (no description available)
ii  devscripts-el                 31.4       Emacs wrappers for the commands in
pn  gnuplot                       <none>     (no description available)
pn  libfile-desktopentry-perl     <none>     (no description available)
pn  libnet-smtp-ssl-perl          <none>     (no description available)
pn  mutt                          <none>     (no description available)
ii  svn-buildpackage              0.7.1      helper programs to maintain Debian
ii  w3m                           0.5.2-2.1  WWW browsable pager with excellent

-- no debconf information

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