75 lines
1.4 KiB
Text
75 lines
1.4 KiB
Text
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#!/usr/bin/env perl
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use strict;
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my $operation = shift @ARGV;
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if ($operation !~ m/^(install|uninstall)$/) {
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print STDERR "$0: unknown operation $operation\n";
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exit(1);
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}
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my %options = ();
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for my $arg (@ARGV) {
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if ($arg =~ m/([^=]*)=(.*)/) {
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$options{$1} = $2;
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}
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else {
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print STDERR "$0: can't parse option [$arg]\n";
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exit(1);
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}
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}
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for my $option (qw(command directory extension file)) {
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unless (defined($options{$option})) {
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print STDERR "$0: required variable $option not provided\n";
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exit(1);
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}
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}
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my $fh;
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unless (open $fh, '<', $options{file}) {
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print STDERR "$0: can't open links file '$options{file}': $!";
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exit(1);
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}
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my @cmd = split /\s+/, $options{command};
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while (my $line = <$fh>) {
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chomp $line;
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my @args = split /\s+/, $line;
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process(@args);
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}
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sub process {
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my ($source, @destinations) = @_;
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my @args = (@cmd);
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if ($operation eq 'install') {
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push @args, "$options{directory}/$source.$options{extension}";
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}
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for my $destination (@destinations) {
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push @args, "$options{directory}/$destination.$options{extension}";
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run_command(@args);
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pop @args;
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}
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}
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sub run_command {
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print (join ' ', @_);
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print "\n";
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my $ret = system(@_);
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if ($ret != 0) {
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print STDERR "$0: command failed: $?\n";
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exit(1);
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}
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return 1;
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}
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