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#!/usr/bin/perl
#
# vim: set ts=4:noet
#
# sboconfig
# script to handle sbotools configuration
#
# authors: Jacob Pipkin <j@dawnrazor.net>
# Luke Williams <xocel@iquidus.org>
# Andreas Guldstrand <andreas.guldstrand@gmail.com>
# license: WTFPL <http://sam.zoy.org/wtfpl/COPYING>
use 5.16.0;
use strict;
use warnings FATAL => 'all';
use SBO::Lib qw/ slurp usage_error script_error $tempdir open_fh %config $conf_dir $conf_file show_version /;
use File::Basename;
use Getopt::Long qw(:config no_ignore_case_always);
use File::Copy;
use File::Path qw(make_path);
use File::Temp qw(tempfile);;
my $self = basename($0);
sub show_usage {
print <<"EOF";
Usage: $self [options] [arguments]
Options:
-h: this screen.
-v: version information.
-l: show current options.
Config options (defaults shown):
-c|--clean FALSE:
NOCLEAN: if TRUE, do NOT clean up after building by default.
-d|--distclean FALSE:
DISTCLEAN: if TRUE, DO clean distfiles by default after building.
-j|--jobs FALSE:
JOBS: numeric -j setting to feed to make for multicore systems.
-p|--pkg-dir FALSE:
PKG_DIR: set a directory to store packages in.
-s|--sbo-home /usr/sbo:
SBO_HOME: set the SBo directory.
-o|--local-overrides FALSE:
LOCAL_OVERRIDES: a directory containing local overrides.
-V|--slackware-version FALSE:
SLACKWARE_VERSION: use the SBo repository for this version.
-r|--repo FALSE:
REPO: use a repository other than SBo.
EOF
return 1;
}
my %options;
GetOptions(\%options, 'help|h', 'version|v', 'list|l', 'noclean|c=s',
'distclean|d=s', 'jobs|j=s', 'pkg-dir|p=s', 'sbo-home|s=s',
'local-overrides|o=s', 'slackware-version|V=s', 'repo|r=s');
if ($options{help}) { show_usage(); exit 0 }
if ($options{version}) { show_version(); exit 0 }
my %valid_confs = (
noclean => 'NOCLEAN',
distclean => 'DISTCLEAN',
jobs => 'JOBS',
'pkg-dir' => 'PKG_DIR',
'sbo-home' => 'SBO_HOME',
'local-overrides' => 'LOCAL_OVERRIDES',
'slackware-version' => 'SLACKWARE_VERSION',
'repo' => 'REPO',
);
my %params = (
NOCLEAN => 'c|--noclean',
DISTCLEAN => 'd|--distclean',
JOBS => 'j|--jobs',
PKG_DIR => 'p|--pkg-dir',
SBO_HOME => 's|--sbo-home',
LOCAL_OVERRIDES => 'o|--local-overrides',
SLACKWARE_VERSION => 'V|--slackware-version',
REPO => 'r|--repo',
);
if (exists $options{list}) {
my @keys = sort {$a cmp $b} keys %config;
say "sboconfig -$params{$_}:\n $_=$config{$_}" for @keys;
exit 0;
}
if (not %options) {
show_usage();
exit 0;
}
# setup what's being changed, sanity check.
my %changes;
for my $key (keys %valid_confs) {
my $value = $valid_confs{$key};
$changes{$value} = $options{$key} if exists $options{$key};
}
my $warn = 'You have provided an invalid parameter for';
if (exists $changes{NOCLEAN}) {
usage_error("$warn -c") unless $changes{NOCLEAN} =~ /^(TRUE|FALSE)$/;
}
if (exists $changes{DISTCLEAN}) {
usage_error("$warn -d") unless $changes{DISTCLEAN} =~ /^(TRUE|FALSE)$/;
}
if (exists $changes{JOBS}) {
usage_error("$warn -j") unless $changes{JOBS} =~ /^(\d+|FALSE)$/;
}
if (exists $changes{PKG_DIR}) {
usage_error("$warn -p") unless $changes{PKG_DIR} =~ qr#^(/|FALSE$)#;
}
if (exists $changes{SBO_HOME}) {
usage_error("$warn -s") unless $changes{SBO_HOME} =~ qr#^(/|FALSE$)#;
}
if (exists $changes{LOCAL_OVERRIDES}) {
usage_error("$warn -o") unless $changes{LOCAL_OVERRIDES} =~ qr#^(/|FALSE$)#;
}
if (exists $changes{SLACKWARE_VERSION}) {
usage_error("$warn -V") unless $changes{SLACKWARE_VERSION} =~ m/^(\d+\.\d+|FALSE)$/;
}
sub config_write {
script_error('config_write requires at least two arguments.') unless @_ >= 2;
if (! -d $conf_dir) {
mkdir $conf_dir or usage_error("Unable to create $conf_dir. Exiting.");
}
my $conf = slurp($conf_file) || '';
_fixup_conf($conf);
while (@_ >= 2) {
my $key = shift;
my $val = shift;
say "Setting $key to $val...";
if ($conf =~ /^\Q$key\E=/m) {
$conf =~ s/^\Q$key\E=.*$/$key=$val/m;
} else {
$conf .= "$key=$val\n";
}
}
_fixup_conf($conf);
my ($conffh, $exit) = open_fh($conf_file, '>');
if ($exit) {
warn $conffh;
exit $exit;
}
print {$conffh} $conf;
}
# make sure there are no duplicate keys in the config
sub _fixup_conf {
my @lines = split /\n/, $_[0];
my @fixed;
my %keys;
foreach my $line (@lines) {
# if it's a comment or blank line, just pass it through
if ($line =~ /^(#|\s*$)/) { push @fixed, $line; next; }
my ($key, $val) = split /=/, $line;
next if exists $keys{$key};
$keys{$key}++;
push @fixed, $line;
}
$_[0] = join "\n", @fixed, ''; # make sure we end with a newline if there are any lines
}
config_write(%changes) if %changes;
exit 0;
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