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.\" $NetBSD: pkgchk.8,v 1.5 2001/08/23 11:55:17 abs Exp $
.\"
.\" Copyright (c) 2001 by David Brownlee (abs@netbsd.org)
.\" Absolutely no warranty.
.\"
.Dd June 28, 2001
.Dt PKGCHK 1
.Sh NAME
.Nm pkgchk
.Nd check, and optionally update, installed packages
.Sh SYNOPSIS
.Nm
.Op Fl abchiknsuvB
.Op Fl D Ar tags
.Op Fl U Ar tags
.Sh DESCRIPTION
.Nm
verifies that the versions of installed packages matches those in
pkgsrc, optionally adding missing or updating mismatched packages.
.Pp
It can verify all installed packages, or check against a set of packages
based on the hostname, architecture, and other characteristics.
.Pp
When updating packages that depend on each other
.Nm
will skip dependent packages to reduce unnecessary rebuilding.
.Pp
.Sy Options
.Bl -tag -width xxxxxxxx
.It Fl B
Check the "Build version" (see option -b of pkg_info(1)) of packages.
.It Fl D Ar tags
Add the comma separated list of tags to those checked when parsing
pkgchk.conf.
.It Fl U Ar tags
Remove the comma separated list of tags from those checked when
parsing pkgchk.conf.
.It Fl a
Automatically add any missing packages. If a binary package exists
in
.Ev ${PACKAGES}
it will be used in preference to building from source, unless the
.Fl b
or
.Fl s
options are given.
.It Fl b
Limit additions or updates to using binary packages. If
DEPENDS_TARGET=package
is set in
.Pa /etc/mk.conf ,
then
.Nm
will automatically generate binary packages for later reuse.
.It Fl c
Check versions of packages specified in pkgchk.conf.
.It Fl h
Brief help.
.It Fl i
Check versions of installed packages, ignoring pkgchk.conf.
.It Fl k
Continue with further packages if errors are encountered.
.It Fl n
Display actions that would be taken, but do not change anything.
.It Fl s
Limit additions or updates to building from source.
.It Fl u
Automatically update any missing packages. If a binary package exists
in PACKAGES it will be used in preference to building from source, unless the
.Fl b
or
.Fl s
options are given.
.Pp
Note: If the update fails (particularly when building from source), the system
will be left with missing packaged.
.It Fl v
Verbose - list the tags set, and all packages checked.
.El
.Sh FILE FORMAT
.Pp
Each non comment line in pkgsrc.conf should contain a package directory
(such as sysutils/skill) followed by a list of tags. If a tag starts with
a hyphen (-), then any machine matching will be excluded, otherwise if any
tags match the current machine the package will be included. The tag
.Em *
matches all machines.
.Pp
The default set of tags used to determine which packages to match in
pkgsrc.conf are equivalent to the output of the following with any spaces
converted to hypens (-): hostname -s, hostname, uname -srm, uname -sr, uname -sm, uname -s, uname -r, uname -m. If
.Pa /usr/X11R6/lib/libX11.so
or
.Pa /usr/X11R6/lib/libX11.a
is present,
.Em x11
is added to the list of tags.
To see tags for the current machine, run
.Nm
with the
.Fl v
option.
.Sh ENVIRONMENT
.Nm
uses the following environment variables.
.Bl -tag -width xxxx
.It Ev PKGSRCDIR
Base of pkgsrc tree. If not set in environment then read from
.Pa /etc/mk.conf .
Defaults to
.Pa /usr/pkgsrc
.It Ev PACKAGES
Location of binary packages. If not set in environment then read from
.Pa /etc/mk.conf .
Defaults to
.Pa ${PKGSRCDIR}/packages.
.Pp
Unless in a completely homogeneous environment (every machine running
exactly the same OS version and architecture) setting
.Ev ${PACKAGES}
in
.Pa /etc/mk.conf
to a value such as
.Bd -literal
${PKGSRCDIR}/packages/${LOWER_OPSYS}-${OS_VERSION}-${MACHINE_ARCH}
.Ed
is strongly recommended. If
.Em cpuflags
(devel/cpuflags) is being used to optimally target individual CPU types,
then
.Ev ${CPU_DIR}
should be appended to
.Ev ${PACKAGES} .
.It Ev PKGCHK_CONF
Pathname to pkgchk configuration file. If not set in environment
then read from
.Pa /etc/mk.conf .
Defaults to
.Pa ${PKGSRCDIR}/pkgchk.conf .
.El
.Sh AUTHOR
David Brownlee <abs@netbsd.org>
.Sh CAVEATS
Updating packages on which other packages depend can currently only be done
via source (not binary packages).
.Pp
If both package
.Em a
and package
.Em b
are to be updated, and
.Em a
depends on
.Em b ,
.Nm
will correctly skip the update of
.Em a .
However, if
.Em a
depends on
.Em b
and
.Em c ,
and all three are marked for update,
.Nm
will update
.Em b
and
.Em c
in two separate passes, resulting in unnecessary rebuilding of
.Em a
(and potentially other packages).
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