Package: aptitude
Version: 0.6.3-3.2
Severity: normal
"aptitude install -Rsy <package>" shows "RECOMMENDED but will NOT be
installed" *unless* the output is piped (e.g. to 'cat'), in which case
it does not. Piped output *should* display this information.
For example, if we find a package that is not installed, and
*recommends* another packages that is not installed (this is done using
"aptitude search '!~i~Drecommends:!~i' -F %p | head -1"), we can
demonstrate this behaviour:
When output is to terminal, "Recommended but will NOT be installed" is
shown:
mattcen@tony:tmp$ aptitude install -Rys $(aptitude search '!~i~Drecommends:!~i'
-F %p | head -1)
The following NEW packages will be installed:
a7xpg-data
The following packages are RECOMMENDED but will NOT be installed:
a7xpg
0 packages upgraded, 1 newly installed, 0 to remove and 0 not upgraded.
Need to get 3,527 kB of archives. After unpacking 3,736 kB will be used.
Would download/install/remove packages.
When output is to a pipe, "Recommended but will NOT be installed" is not
shown:
mattcen@tony:tmp$ aptitude install -Rys $(aptitude search '!~i~Drecommends:!~i'
-F %p | head -1) | cat
Reading package lists...
Building dependency tree...
Reading state information...
Reading extended state information...
Initializing package states...
Reading task descriptions...
The following NEW packages will be installed:
a7xpg-data
0 packages upgraded, 1 newly installed, 0 to remove and 0 not upgraded.
Need to get 3,527 kB of archives. After unpacking 3,736 kB will be used.
Would download/install/remove packages.
-- Package-specific info:
aptitude 0.6.3 compiled at Oct 18 2010 22:11:25
Compiler: g++ 4.4.5
Compiled against:
apt version 4.10.1
NCurses version 5.7
libsigc++ version: 2.2.4.2
Ept support enabled.
Gtk+ support disabled.
Current library versions:
NCurses version: ncurses 5.7.20100313
cwidget version: 0.5.16
Apt version: 4.10.1
linux-gate.so.1 => (0xb7813000)
libapt-pkg.so.4.10 => /usr/lib/libapt-pkg.so.4.10 (0xb7706000)
libncursesw.so.5 => /lib/libncursesw.so.5 (0xb76c0000)
libsigc-2.0.so.0 => /usr/lib/libsigc-2.0.so.0 (0xb76b9000)
libcwidget.so.3 => /usr/lib/libcwidget.so.3 (0xb75f9000)
libept.so.1 => /usr/lib/libept.so.1 (0xb75a8000)
libxapian.so.22 => /usr/lib/sse2/libxapian.so.22 (0xb73cd000)
libz.so.1 => /usr/lib/libz.so.1 (0xb73b9000)
libsqlite3.so.0 => /usr/lib/libsqlite3.so.0 (0xb732c000)
libboost_iostreams.so.1.42.0 => /usr/lib/libboost_iostreams.so.1.42.0
(0xb7313000)
libpthread.so.0 => /lib/i686/cmov/libpthread.so.0 (0xb72fa000)
libstdc++.so.6 => /usr/lib/libstdc++.so.6 (0xb7205000)
libm.so.6 => /lib/i686/cmov/libm.so.6 (0xb71df000)
libgcc_s.so.1 => /lib/libgcc_s.so.1 (0xb71c1000)
libc.so.6 => /lib/i686/cmov/libc.so.6 (0xb707a000)
libutil.so.1 => /lib/i686/cmov/libutil.so.1 (0xb7076000)
libdl.so.2 => /lib/i686/cmov/libdl.so.2 (0xb7072000)
libuuid.so.1 => /lib/libuuid.so.1 (0xb706e000)
libbz2.so.1.0 => /lib/libbz2.so.1.0 (0xb705d000)
librt.so.1 => /lib/i686/cmov/librt.so.1 (0xb7053000)
/lib/ld-linux.so.2 (0xb7814000)
Terminal: screen-bce
$DISPLAY not set.
`which aptitude`: /usr/bin/aptitude
aptitude version information:
aptitude linkage:
-- System Information:
Debian Release: 6.0.2
APT prefers stable
APT policy: (500, 'stable')
Architecture: i386 (i686)
Kernel: Linux 2.6.32-5-686 (SMP w/2 CPU cores)
Locale: LANG=en_AU.UTF-8, LC_CTYPE=en_AU.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Versions of packages aptitude depends on:
ii apt [libapt-pkg4.10] 0.8.10.3+squeeze1 Advanced front-end for dpkg
ii libboost-iostreams1.42 1.42.0-4 Boost.Iostreams Library
ii libc6 2.11.2-10 Embedded GNU C Library: Shared lib
ii libcwidget3 0.5.16-3 high-level terminal interface libr
ii libept1 1.0.4 High-level library for managing De
ii libgcc1 1:4.4.5-8 GCC support library
ii libncursesw5 5.7+20100313-5 shared libraries for terminal hand
ii libsigc++-2.0-0c2a 2.2.4.2-1 type-safe Signal Framework for C++
ii libsqlite3-0 3.7.3-1 SQLite 3 shared library
ii libstdc++6 4.4.5-8 The GNU Standard C++ Library v3
ii libxapian22 1.2.3-2 Search engine library
ii zlib1g 1:1.2.3.4.dfsg-3 compression library - runtime
Versions of packages aptitude recommends:
ii apt-xapian-index 0.41 maintenance and search tools for a
ii aptitude-doc-en [aptitude-doc 0.6.3-3.2 English manual for aptitude, a ter
ii libparse-debianchangelog-perl 1.1.1-2.1 parse Debian changelogs and output
ii sensible-utils 0.0.4 Utilities for sensible alternative
Versions of packages aptitude suggests:
ii debtags 1.7.11 Enables support for package tags
ii tasksel 2.88 Tool for selecting tasks for insta
-- no debconf information
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