dpkg-trigger
Section: dpkg suite (1)
Updated: 2009-03-15
NAME
dpkg-trigger - a package trigger utility
SYNOPSIS
dpkg-trigger
[option...] trigger-name
dpkg-trigger
[option...] command
DESCRIPTION
dpkg-trigger is a tool to explicitly activate triggers and check
for its support on the running dpkg.
This can be used by maintainer scripts in complex and conditional
situations where the file triggers, or the declarative activate
triggers control file directive, are insufficiently rich. It can also
be used for testing and by system administrators (but note that the
triggers won't actually be run by dpkg-trigger).
Unrecognised trigger name syntaxes are an error for dpkg-trigger.
COMMANDS
- --check-supported
-
Check if the running dpkg supports triggers (usually called from a
postinst). Will exit 0 if a triggers-capable dpkg has run, or 1 with
an error message to stderr if not. Normally, however, it is better just to
activate the desired trigger with dpkg-trigger.
- -h, --help
-
Show the usage message and exit.
- --version
-
Show the version and exit.
OPTIONS
- --admindir=dir
-
Change the location of the dpkg database. The default location is
/var/lib/dpkg.
- --by-package=package
-
Override trigger awaiter (normally set by dpkg through the
DPKG_MAINTSCRIPT_PACKAGE environment variable of the maintainer scripts,
naming the package to which the script belongs, and this will be used
by default).
- --no-await
-
This option arranges that the calling package T (if any) need not await
the processing of this trigger; the interested package(s) I, will not be
added to T's trigger processing awaited list and T's status is unchanged.
T may be considered installed even though I may not yet have processed
the trigger.
- --no-act
-
Just test, do not actually change anything.
SEE ALSO
dpkg(1), deb-triggers(5), /usr/share/doc/dpkg-dev/triggers.txt.gz.
Index
- NAME
-
- SYNOPSIS
-
- DESCRIPTION
-
- COMMANDS
-
- OPTIONS
-
- SEE ALSO
-
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