Bug#825487: piuparts: should use `apt install ./foo.deb` rather than `dpkg -i ./foo.deb && apt-get install -yf`

[Sean Whitton <spwhitton@spwhitton.name>]

Package: piuparts
Version: 0.71
Severity: normal

Dear maintainer,

piuparts is currently failing for a number of packages that use dh_elpa.
Piuparts runs

    dpkg -i ./elpa-foo.deb
    apt-get -yf install

but in some cases, apt-get's resolution is to remove elpa-foo rather
than install its dependencies.  The apt maintainers have explained in
#825467 that piuparts should be using

    apt install ./elpa-foo.deb

instead of the commands above.

-- System Information:
Debian Release: stretch/sid
  APT prefers testing
  APT policy: (900, 'testing')
Architecture: i386 (i686)

Kernel: Linux 4.5.0-2-686-pae (SMP w/2 CPU cores)
Locale: LANG=en_GB.utf8, LC_CTYPE=en_GB.utf8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)

Versions of packages piuparts depends on:
ii  debootstrap      1.0.81
ii  debsums          2.1.2
ii  dpkg             1.18.7
ii  lsb-release      9.20160110
ii  lsof             4.89+dfsg-0.1
ii  piuparts-common  0.71
ii  python-debian    0.1.27
pn  python:any       <none>

Versions of packages piuparts recommends:
ii  adequate  0.15.1

Versions of packages piuparts suggests:
ii  schroot  1.6.10-2

-- no debconf information

-- 
Sean Whitton

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