Package: dpkg
Version: 1.13.11.0.1
Severity: normal
dpkg -l ignores --root:
$ dpkg --root=. -l dbus-1|tail -1
ii dbus-1 0.23.4-8 simple interprocess messaging system
$ find . -type f -amin -1
$ dpkg --root=. --get-selections dbus-1
dbus-1 purge
$ find . -type f -amin -1
./var/lib/dpkg/status
So "ii" should be "pi" if -l obeyed --root!
True, the fine print on dpkg(1) mentions dpkg-query(1).
$ dpkg-query --admindir=var/lib/dpkg -l dbus-1|tail -1
pi dbus-1 0.23.4-8 [<-Finally. Trailing blanks though.]
$ dpkg --admindir=var/lib/dpkg -l dbus-1|tail -1
ii dbus-1 0.23.4-8 simple interprocess messaging system
$ dpkg-query --root=. -l dbus-1|tail -1
dpkg-query: unknown option --root=.
$ dpkg --root=. --admindir=var/lib/dpkg -l dbus-1|tail -1
ii dbus-1 0.23.4-8 simple interprocess messaging system
$ dpkg --root=. --admindir=./var/lib/dpkg -l dbus-1|tail -1
ii dbus-1 0.23.4-8 simple interprocess messaging system
$ dpkg --root=. --admindir=$PWD/var/lib/dpkg -l dbus-1|tail -1
ii dbus-1 0.23.4-8 simple interprocess messaging system
Anyway, we prove that one can forget about changing where dpkg -l
looks via any switches. The dpkg man page doesn't warn about it too.
By the way, on the man page
-O | --selected-only
Only process the packages that are selected for installa-
tion. The actual marking is done with dselect or by dpkg,
when it handles packages. For example, when a package is
removed, it will be marked selected for deinstallation.
Maybe this means:
removed, it will be marked selected for deinstallation
without this option.
But it's not clear.
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