[Bug 1057886] Re: dpkg-source regression when a patch removes all files from a directory

[Barry Warsaw]

** Changed in: dpkg (Ubuntu Quantal)
       Status: Confirmed => In Progress

** Changed in: dpkg (Ubuntu Quantal)
     Assignee: (unassigned) => Barry Warsaw (barry)

** Changed in: dpkg (Ubuntu Quantal)
    Milestone: None => ubuntu-12.10

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Title:
  dpkg-source regression when a patch removes all files from a directory

Status in “dpkg” package in Ubuntu:
  In Progress
Status in “dpkg” source package in Quantal:
  In Progress

Bug description:
  I was recently working on a package update and created a patch which
  deleted all files in a directory. When I tried to build the package, I
  hit an unexpected dpkg-source error:

  dpkg-source: info: using source format `3.0 (quilt)'
  dpkg-source: info: building ruby1.9.1 using existing ./ruby1.9.1_1.9.3.194.orig.tar.gz
  dpkg-source: info: building ruby1.9.1 in ruby1.9.1_1.9.3.194-1ubuntu1.debian.tar.gz
  dpkg-source: info: building ruby1.9.1 in ruby1.9.1_1.9.3.194-1ubuntu1.dsc
   dpkg-genchanges -S >../ruby1.9.1_1.9.3.194-1ubuntu1_source.changes
  dpkg-genchanges: not including original source code in upload
   dpkg-source --after-build ruby1.9.1-1.9.3.194
  dpkg-source: error: failed to copy ruby1.9.1-1.9.3.194/.pc/20120927-rubygems_disable_upstream_certs.patch/lib/rubygems/ssl_certs/AddTrustExternalCARoot.pem to ruby1.9.1-1.9.3.194/lib/rubygems/ssl_certs/AddTrustExternalCARoot.pem: No such file or directory
  dpkg-source: info: unapplying 20120927-rubygems_disable_upstream_certs.patch
  dpkg-buildpackage: error: dpkg-source --after-build ruby1.9.1-1.9.3.194 gave error exit status 2
  debuild: fatal error at line 1357:
  dpkg-buildpackage -rfakeroot -d -us -uc -S failed

  After doing some research, I found that it is a known bug and has a
  fix applied in upstream dpkg. The Debian bug report also has a
  reproducer.

  http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=683547

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