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.TH "check_updates" "1" "January 2023" "check_updates" ""
.hy
.SH NAME
.PP
check_updates - Notifies about available updates.
Configuration is done in environment files.
.PD 0
.P
.PD
It\[cq]s part of \f[B]system-helpers\f[R].
.SH SYNOPSIS
.PP
\f[B]check_updates\f[R]
.SH DESCRIPTION
.PP
\f[B]check_updates\f[R] checks for available updates using
\f[I]checkupdates\f[R] (which can be customized) and notifies.
It comes with systemd services.
.PP
By default, \f[B]check_updates\f[R] tries to read from
\f[I]$HOME/.check_updates.conf\f[R] and
\f[I]/etc/check_updates.conf\f[R] for configuration.
It will exit with a non-zero exit code if it cannot find a proper
configuration file.
.PP
The following can be modified if defaults don\[cq]t apply:
.PD 0
.P
.PD
- \f[B]CHECK_UPDATES_UPDATES_CMD\f[R] is the command for retrieving
which updates are available, by default it\[cq]s set to
\f[I]/usr/bin/checkupdates\f[R] (Arch Linux default).
.PD 0
.P
.PD
- \f[B]CHECK_UPDATES_UPDATES_AMOUNT_CMD\f[R] is the command used to
determine the amount of updates, by default it\[cq]s set to
\f[I]/usr/bin/checkupdates | wc -l\f[R] (Arch Linux default).
.PD 0
.P
.PD
.PP
You can copy this script to \f[I]/usr/local/bin\f[R] and use create a
custom \f[B]CONFIG_FILE\f[R] as user.
.SH EXAMPLE
.PP
Create a \f[I]$HOME/.check_updates.conf\f[R] and add
\f[I]CHECK_UPDATES_UPDATES_CMD=\[lq]\&...\[rq]\f[R].
Notifications will be delivered via \f[B]notifier\f[R].
Examples can be found in
\f[I]/usr/share/doc/system-helpers/check_updates\f[R].
.SH EXIT VALUES
.TP
\f[B]0\f[R]
Success
.TP
\f[B]1\f[R]
Error
.SH SEE ALSO
.PP
\f[B]notifier\f[R] - used as notification application
.SH AUTHORS
Alexander Schäferdiek.