Package: git-buildpackage
Version: 0.6.32
Severity: normal

When building a package in “overlay” mode, the upstream source is by
definition not in the VCS working tree until the overlay is assembled.

So commands such as ‘debian/rules clean’ will not work, if issued
before the overlay is assembled:

    $ gbp config buildpackage.overlay
    buildpackage.overlay=true

    $ ls -1F
    debian/

    $ gbp buildpackage --source
    dh clean --with python3 --buildsystem=pybuild
       dh_testdir -O--buildsystem=pybuild
       debian/rules override_dh_auto_clean
    make[1]: Entering directory 
'/home/bignose/Projects/debian/python-adventure/trunk'
    dh_auto_clean
    E: pybuild pybuild:88: cannot detect build system, please use --system 
option or set PYBUILD_SYSTEM env. variable
    dh_auto_clean: pybuild --clean -i python{version} -p 3.4 --dir . returned 
exit code 11
    debian/rules:97: recipe for target 'override_dh_auto_clean' failed
    […]

The ‘gbp buildpackage’ command, for a package in “overlay” mode,
should not assume any of the ‘debian/rules’ commands will work in the
absence of the upstream source. That includes ‘clean’.

Instead, before issuing the ‘debian/rules clean’ command, the overlay
needs to be assembled: get the upstream source for the package, then
overlay the Debian packaging files onto it. Only after that can
‘debian/rules clean’ be expected to work in the exported tree.


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

Kernel: Linux 4.2.0-1-amd64 (SMP w/4 CPU cores)
Locale: LANG=en_AU.utf8, LC_CTYPE=en_AU.utf8 (charmap=UTF-8) (ignored: LC_ALL 
set to en_AU.utf8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)

Versions of packages git-buildpackage depends on:
ii  devscripts            2.15.9
ii  git                   1:2.6.1-1
ii  man-db                2.7.4-1
ii  python                2.7.9-1
ii  python-dateutil       2.2-2
ii  python-pkg-resources  18.4-1
ii  python-six            1.10.0-1

Versions of packages git-buildpackage recommends:
ii  cowbuilder       0.74
ii  pbuilder         0.219
ii  pristine-tar     1.33
ii  python-requests  2.7.0-3
ii  sbuild           0.66.0-2

Versions of packages git-buildpackage suggests:
ii  python-notify  0.1.1-4
ii  unzip          6.0-18

-- no debconf information

-- 
 \          “Isn't it enough to see that a garden is beautiful without |
  `\      having to believe that there are fairies at the bottom of it |
_o__)                                             too?” —Douglas Adams |
Ben Finney <b...@benfinney.id.au>

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