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@ -1,6 +1,6 @@ |
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#!/usr/bin/perl |
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# Debian task selector, mark II. |
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# Copyright 2004 by Joey Hess <joeyh@debian.org>. |
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# Copyright 2004-2006 by Joey Hess <joeyh@debian.org>. |
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# Licensed under the GPL, version 2 or higher. |
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use Locale::gettext; |
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use Getopt::Long; |
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@ -14,6 +14,8 @@ my $packagesdir="/usr/lib/tasksel/packages"; |
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my $descdir="/usr/share/tasksel"; |
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my $localdescdir="/usr/local/share/tasksel"; |
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my $statusfile="/var/lib/dpkg/status"; |
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my $infodir="/usr/lib/tasksel/info"; |
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my $testmode=0; |
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sub warning { |
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print STDERR "tasksel: @_\n"; |
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@ -24,6 +26,19 @@ sub error { |
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exit 1; |
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} |
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# Run a shell command except in test mode, and returns its exit code. |
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# Prints the command in test mode. Parameters should be pre-split for |
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# system. |
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sub run { |
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if ($testmode) { |
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print join(" ", @_)."\n"; |
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return 0; |
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} |
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else { |
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return system(@_) >> 8; |
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} |
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} |
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# A list of all available task desc files. |
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sub list_task_descs { |
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return glob("$descdir/*.desc"), glob("$localdescdir/*.desc"); |
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@ -324,6 +339,21 @@ sub name_to_task { |
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return (grep { $_->{task} eq $name } @_)[0]; |
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} |
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sub task_script { |
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my $task=shift; |
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my $script=shift; |
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my $path="$infodir/$task.$script"; |
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if (-e $path && -x _) { |
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my $ret=run($path); |
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if ($ret != 0) { |
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warning("$path exited with nonzero code $ret"); |
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return 0; |
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} |
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} |
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return 1; |
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} |
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sub usage { |
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print STDERR gettext(q{Usage: |
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tasksel install <task> |
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@ -360,11 +390,14 @@ sub getopts { |
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usage(); |
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exit 1; |
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} |
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$testmode=1 if $ret{test}; # set global |
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return %ret; |
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} |
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sub main { |
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my %options=getopts(); |
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my @tasks_remove; |
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my @tasks_install; |
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# Options that output stuff and don't need a full processed list of |
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# tasks. |
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@ -410,10 +443,9 @@ sub main { |
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my $task=name_to_task($options{"install"}, @tasks); |
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$task->{_install} = 1 if $task; |
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} |
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my @aptitude_remove; |
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if ($options{"remove"}) { |
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my $task=name_to_task($options{"remove"}, @tasks); |
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push @aptitude_remove, task_packages($task, 0); |
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push @tasks_remove, $task; |
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} |
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# The interactive bit. |
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@ -470,12 +502,12 @@ sub main { |
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} |
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foreach my $task (@list) { |
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if (! $task->{_selected} && $task->{_installed}) { |
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push @aptitude_remove, task_packages($task, 0); |
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push @tasks_remove, $task; |
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} |
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} |
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} |
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# Mark dependnent packages for install if their dependencies are met. |
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# Mark dependenent tasks for install if their dependencies are met. |
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foreach my $task (@tasks) { |
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if (! $task->{_install} && exists $task->{depends} && length $task->{depends} ) { |
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$task->{_install} = 1; |
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@ -489,74 +521,74 @@ sub main { |
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# Add tasks to install and see if any selected task requires manual |
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# selection. |
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my @aptitude_install; |
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my $manual_selection=0; |
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foreach my $task (grep { $_->{_install} } @tasks) { |
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push @aptitude_install, task_packages($task, 1); |
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push @tasks_install, $task; |
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if ($task->{packages} eq 'manual') { |
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$manual_selection=1; |
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} |
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} |
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my $aptitude; |
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my @aptitude; |
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if ($manual_selection) { |
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# Manaul selection and task installs, as best |
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# aptitude can do it currently. Disables use of |
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# debconf-apt-progress. |
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$aptitude="aptitude"; |
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@aptitude="aptitude"; |
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} |
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elsif (-x "/usr/bin/debconf-apt-progress") { |
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$aptitude="debconf-apt-progress"; |
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$aptitude.=" $options{'debconf-apt-progress'}" |
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@aptitude="debconf-apt-progress"; |
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push @aptitude, split(' ', $options{'debconf-apt-progress'}) |
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if exists $options{'debconf-apt-progress'}; |
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$aptitude.=" -- aptitude -q"; |
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push @aptitude, qw{-- aptitude -q}; |
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} |
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else { |
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$aptitude="aptitude"; |
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@aptitude="aptitude"; |
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} |
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# Remove any packages we were asked to. |
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if (@aptitude_remove) { |
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if ($options{test}) { |
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print "$aptitude -y remove ".join(" ", @aptitude_remove)."\n"; |
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# Task removal.. |
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if (@tasks_remove) { |
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my @packages_remove=map { task_packages($_, 0) } @tasks_remove; |
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foreach my $task (@tasks_remove) { |
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task_script($task->{task}, "prerm"); |
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} |
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else { |
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my $ret=system(split(' ', $aptitude), "-y", "remove", @aptitude_remove) >> 8; |
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if ($ret != 0) { |
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error gettext("aptitude failed")." ($ret)"; |
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} |
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my $ret=run(@aptitude, "-y", "remove", @packages_remove); |
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if ($ret != 0) { |
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error gettext("aptitude failed")." ($ret)"; |
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} |
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foreach my $task (@tasks_remove) { |
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task_script($task->{task}, "postrm"); |
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} |
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} |
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# And finally, act on selected tasks. |
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if (@aptitude_install || $manual_selection) { |
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# If the user selected no tasks and manual package |
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if (@tasks_install || $manual_selection) { |
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my @packages_install=map {task_packages($_, 1) } @tasks_install; |
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foreach my $task (@tasks_install) { |
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task_script($task->{task}, "preinst"); |
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} |
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# If the user selected no other tasks and manual package |
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# selection, run aptitude w/o the --visual-preview parameter. |
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if (! @aptitude_install && $manual_selection) { |
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if ($options{test}) { |
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print "aptitude\n"; |
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} |
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else { |
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my $ret=system("aptitude") >> 8; |
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if ($ret != 0) { |
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error gettext("aptitude failed")." ($ret)"; |
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} |
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if (! @packages_install && $manual_selection) { |
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my $ret=run("aptitude"); |
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if ($ret != 0) { |
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error gettext("aptitude failed")." ($ret)"; |
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} |
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} |
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else { |
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if ($manual_selection) { |
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unshift @aptitude_install, "--visual-preview"; |
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unshift @packages_install, "--visual-preview"; |
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} |
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if ($options{test}) { |
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print "$aptitude --without-recommends -y install ".join(" ", @aptitude_install)."\n"; |
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} |
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else { |
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my $ret=system(split(' ', $aptitude), "--without-recommends", "-y", "install", @aptitude_install) >> 8; |
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if ($ret != 0) { |
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error gettext("aptitude failed"); |
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} |
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my $ret=run(@aptitude, "--without-recommends", |
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"-y", "install", |
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@packages_install); |
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if ($ret != 0) { |
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error gettext("aptitude failed")." ($ret)"; |
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} |
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} |
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foreach my $task (@tasks_install) { |
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task_script($task->{task}, "postinst"); |
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} |
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} |
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} |
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Joey Hess
17 years ago