[Bug 1716047] [NEW] rustc control file contains unsupported restriction formulas in control file

[Launchpad Bug Tracker]

You have been subscribed to a public bug by Charles F. Stephens (cfs):

The trusty back port of the rustc source package breaks dependency
computation using apt because it contains qualifiers in the Build-
Depends that are not understood by the trusty version of apt.

Build-Depends: debhelper (>= 9), rustc (>= 1.14.0+dfsg) [!powerpc], rustc (<= 1.15.1++) [!powerpc], autotools-dev, binutils-2.26, cmake3, curl, gperf, libedit-dev, llvm-3.9-dev (>= 1:3.9-5), llvm-3.9-tools (>= 1:3.9-5), python, zlib1g-dev, nodejs [!arm64] <!nocheck>, valgrind <!nocheck>, git <!nocheck>, procps <!nocheck>, libjs-jquery <!nocheck>, antlr <!nocheck>, bison <!nocheck>, flex <!nocheck>, default-jdk <!nocheck>
Build-Depends-Indep: libjs-jquery <!nodoc>, pandoc (>= 1.9), po4a, texlive-xetex, texlive-latex-base, texlive-generic-recommended, texlive-fonts-recommended, lmodern

Namely it's the "<!nocheck>" and "<!nodoc>" qualifiers.

This is breaking our builds which run germinate which calls on APT to
parse various APT files, include Sources (even though it doesn't
actually use it):

/usr/bin/germinate --no-rdepends -S file:///buildtree/germinate/seeds -s pure -a amd64 -c main,universe -d trusty,trusty-updates,trusty-security -m http://apt-svc.redacted.example.com/trusty/trusty-20170615
rm: cannot remove ‘*’: No such file or directory
Downloading http://apt-svc.redacted.example.com/trusty/trusty-20170615/dists/trusty/main/binary-amd64/Packages.bz2 file ...
Decompressing http://apt-svc.redacted.example.com/trusty/trusty-20170615/dists/trusty/main/binary-amd64/Packages.bz2 file ...
Downloading http://apt-svc.redacted.example.com/trusty/trusty-20170615/dists/trusty/main/source/Sources.bz2 file ...
Decompressing http://apt-svc.redacted.example.com/trusty/trusty-20170615/dists/trusty/main/source/Sources.bz2 file ...
Downloading http://apt-svc.redacted.example.com/trusty/trusty-20170615/dists/trusty/main/debian-installer/binary-amd64/Packages.bz2 file ...
Decompressing http://apt-svc.redacted.example.com/trusty/trusty-20170615/dists/trusty/main/debian-installer/binary-amd64/Packages.bz2 file ...
Downloading http://apt-svc.redacted.example.com/trusty/trusty-20170615/dists/trusty/universe/binary-amd64/Packages.bz2 file ...
Decompressing http://apt-svc.redacted.example.com/trusty/trusty-20170615/dists/trusty/universe/binary-amd64/Packages.bz2 file ...
Downloading http://apt-svc.redacted.example.com/trusty/trusty-20170615/dists/trusty/universe/source/Sources.bz2 file ...
Decompressing http://apt-svc.redacted.example.com/trusty/trusty-20170615/dists/trusty/universe/source/Sources.bz2 file ...
Downloading http://apt-svc.redacted.example.com/trusty/trusty-20170615/dists/trusty/universe/debian-installer/binary-amd64/Packages.bz2 file ...
Decompressing http://apt-svc.redacted.example.com/trusty/trusty-20170615/dists/trusty/universe/debian-installer/binary-amd64/Packages.bz2 file ...
Downloading http://apt-svc.redacted.example.com/trusty/trusty-20170615/dists/trusty-updates/main/binary-amd64/Packages.bz2 file ...
Decompressing http://apt-svc.redacted.example.com/trusty/trusty-20170615/dists/trusty-updates/main/binary-amd64/Packages.bz2 file ...
Downloading http://apt-svc.redacted.example.com/trusty/trusty-20170615/dists/trusty-updates/main/source/Sources.bz2 file ...
Decompressing http://apt-svc.redacted.example.com/trusty/trusty-20170615/dists/trusty-updates/main/source/Sources.bz2 file ...
Downloading http://apt-svc.redacted.example.com/trusty/trusty-20170615/dists/trusty-updates/main/debian-installer/binary-amd64/Packages.bz2 file ...
Downloading http://apt-svc.redacted.example.com/trusty/trusty-20170615/dists/trusty-updates/main/debian-installer/binary-amd64/Packages.gz file ...
Downloading http://apt-svc.redacted.example.com/trusty/trusty-20170615/dists/trusty-updates/main/debian-installer/binary-amd64/Packages file ...
Missing installer Packages file for main (ignoring)
Downloading http://apt-svc.redacted.example.com/trusty/trusty-20170615/dists/trusty-updates/universe/binary-amd64/Packages.bz2 file ...
Decompressing http://apt-svc.redacted.example.com/trusty/trusty-20170615/dists/trusty-updates/universe/binary-amd64/Packages.bz2 file ...
Downloading http://apt-svc.redacted.example.com/trusty/trusty-20170615/dists/trusty-updates/universe/source/Sources.bz2 file ...
Decompressing http://apt-svc.redacted.example.com/trusty/trusty-20170615/dists/trusty-updates/universe/source/Sources.bz2 file ...
Traceback (most recent call last):
  File "/usr/bin/germinate", line 35, in <module>
    main(sys.argv)
  File "/usr/lib/python3/dist-packages/germinate/scripts/germinate_main.py", line 119, in main
    g.parse_archive(archive)
  File "/usr/lib/python3/dist-packages/germinate/germinator.py", line 512, in parse_archive
    self._parse_source(section)
  File "/usr/lib/python3/dist-packages/germinate/germinator.py", line 497, in _parse_source
    self._sources[src][field] = self._parse_src_depends(value)
  File "/usr/lib/python3/dist-packages/germinate/germinator.py", line 473, in _parse_src_depends
    return apt_pkg.parse_src_depends(value, False)
ValueError: Problem Parsing Dependency
root at dc200f95b5d5:~/oo# 

Recommend removing these incompatible qualifiers from rustc control file
for the trusty backport.

** Affects: rustc (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: trusty
-- 
rustc control file contains unsupported restriction formulas in control file
https://bugs.launchpad.net/bugs/1716047
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